<SEC-DOCUMENT>0001104659-20-121396.txt : 20201104
<SEC-HEADER>0001104659-20-121396.hdr.sgml : 20201104
<ACCEPTANCE-DATETIME>20201104165415
ACCESSION NUMBER:		0001104659-20-121396
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20201104
DATE AS OF CHANGE:		20201104
GROUP MEMBERS:		KOH, BONG
GROUP MEMBERS:		SHAH, NIMISH
GROUP MEMBERS:		VENROCK HEALTHCARE CAPITAL PARTNERS EG, L.P.
GROUP MEMBERS:		VHCP CO-INVESTMENT HOLDINGS III, LLC
GROUP MEMBERS:		VHCP MANAGEMENT EG, LLC
GROUP MEMBERS:		VHCP MANAGEMENT III, LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cardiff Oncology, Inc.
		CENTRAL INDEX KEY:			0001213037
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				272004382
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-80378
		FILM NUMBER:		201287374

	BUSINESS ADDRESS:	
		STREET 1:		11055 FLINTKOTE AVENUE
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		858-952-7570

	MAIL ADDRESS:	
		STREET 1:		11055 FLINTKOTE AVENUE
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Trovagene, Inc.
		DATE OF NAME CHANGE:	20130304

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TrovaGene Inc.
		DATE OF NAME CHANGE:	20110830

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	XENOMICS INC
		DATE OF NAME CHANGE:	20040719

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Venrock Healthcare Capital Partners III, L.P.
		CENTRAL INDEX KEY:			0001738048
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		530 FIFTH AVENUE, 22ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		212-444-4100

	MAIL ADDRESS:	
		STREET 1:		530 FIFTH AVENUE, 22ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>tm2034938-2_sc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
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<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>WASHINGTON, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SCHEDULE 13G</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNDER THE SECURITIES EXCHANGE ACT OF
1934<BR>
(Amendment No. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)*</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B></B>&nbsp;</P>

<P STYLE="font: 24pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Cardiff Oncology, Inc.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Name of Issuer)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Common Stock, $0.0001 par value</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Title of Class of Securities)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>14147L108</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(CUSIP Number)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>October 8, 2020</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Date of Event Which Requires Filing
of This Statement)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the appropriate box to designate the rule pursuant to
which this Schedule is filed:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TR STYLE="background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 4%; font-size: 10pt"><FONT STYLE="font-family: Wingdings 2; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD>
    <TD STYLE="vertical-align: top; width: 93%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Rule 13d-1(b)</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TR STYLE="background-color: white">
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 4%"><FONT STYLE="font-family: Wingdings 2; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#120;</FONT></FONT></TD>
    <TD STYLE="vertical-align: top; width: 93%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Rule 13d-1(c)</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 4%"><FONT STYLE="font-family: Wingdings 2; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD>
    <TD STYLE="vertical-align: top; width: 93%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Rule 13d-1(d)</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">*</FONT></TD>
    <TD STYLE="width: 97%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The remainder of this cover page shall be filled out for a reporting person&rsquo;s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The information required in the remainder of this cover page
shall not be deemed to be &ldquo;filed&rdquo; for the purpose of Section 18 of the Securities Exchange Act of 1934 (&ldquo;Act&rdquo;)
or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however,
see the Notes).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1pt solid"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: #FEFEFE">
    <TD STYLE="width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="width: 50%; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 2 of 14</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="border: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-left: 9pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1. </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-top: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Name of reporting persons</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Venrock Healthcare Capital Partners III, L.P.</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the Appropriate Box if a Member of a Group (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)
        </FONT><FONT STYLE="font-family: Wingdings">x</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt"><SUP>1
        </SUP></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">(b) </FONT><FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Citizenship or Place of Organization</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Delaware</P></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD ROWSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 3pt; padding-left: 1.5pt; width: 10%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Number of</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Shares</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Beneficially</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Owned by</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Each</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Reporting</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">With:</P></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5. </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt; padding-left: 5pt; width: 87%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">7.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">8.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-left: 9pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">9.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Aggregate Amount Beneficially Owned by Each Reporting Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">10.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">Check
        if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) </FONT><FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">11.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Percent of Class Represented by Amount in Row (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">5.7%<SUP>3</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">12.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-top: 3pt; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Type of Reporting Person (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PN</P></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consists of (i) 773,314 shares held by Venrock Healthcare Capital Partners III, L.P., (ii) 77,312 shares held by VHCP Co-Investment Holdings III, LLC and (iii) 863,660 shares held by Venrock Healthcare Capital Partners EG, L.P. </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">This percentage is calculated based upon 30,175,945 shares of the Issuer&rsquo;s Common Stock outstanding as reported in the Issuer&rsquo;s prospectus supplement filed with the Securities and Exchange Commission on September 30, 2020. </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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    <TD STYLE="width: 50%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;<B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="width: 50%; font-size: 10pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 3 of 14</FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="border: Black 1pt solid; padding-top: 3pt; vertical-align: top; padding-right: 1.5pt; padding-left: 9pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1. </FONT></TD>
    <TD STYLE="border-top: Black 1pt solid; padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Name of reporting persons</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">VHCP Co-Investment Holdings III, LLC</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the Appropriate Box if a Member of a Group (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)
        </FONT><FONT STYLE="font-family: Wingdings">&#120;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt"><SUP>1
        </SUP></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">(b) </FONT><FONT STYLE="font-family: Wingdings">&#168;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Citizenship or Place of Organization</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Delaware</P></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD ROWSPAN="4" STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-left: 1.5pt; width: 10%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Number of</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Shares</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Beneficially</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Owned by</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Each</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Reporting</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">With:</P></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5. </FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 87%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">7.</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">8.</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">9.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Aggregate Amount Beneficially Owned by Each Reporting Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">10.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">Check
        if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">11.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">





        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Percent of Class Represented by Amount in Row (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">5.7%<SUP>3</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">12.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Type of Reporting Person (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">OO</P></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consists of (i) 773,314 shares held by Venrock Healthcare Capital Partners III, L.P., (ii) 77,312 shares held by VHCP Co-Investment Holdings III, LLC and (iii) 863,660 shares held by Venrock Healthcare Capital Partners EG, L.P. </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">This percentage is calculated based upon 30,175,945 shares of the Issuer&rsquo;s Common Stock outstanding as reported in the Issuer&rsquo;s prospectus supplement filed with the Securities and Exchange Commission on September 30, 2020. &nbsp;</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

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<TR STYLE="background-color: #FEFEFE">
    <TD STYLE="width: 50%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="width: 50%; font-size: 10pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 4 of 14</FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
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    <TD STYLE="padding-top: 3pt; border: Black 1pt solid; vertical-align: top; padding-left: 9pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1. </FONT></TD>
    <TD STYLE="padding-top: 3pt; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Name of reporting persons</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Venrock Healthcare Capital Partners EG, L.P.</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the Appropriate Box if a Member of a Group (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)
        </FONT><FONT STYLE="font-family: Wingdings">&#120;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt"><SUP>1
        </SUP></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">(b) </FONT><FONT STYLE="font-family: Wingdings">&#168;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Citizenship or Place of Organization</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Delaware</P></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD ROWSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-left: 1.5pt; width: 12%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Number of</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Shares</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Beneficially</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Owned by</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Each</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Reporting</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">With:</P></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5. </FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 85%; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">7.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">8.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">9.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Aggregate Amount Beneficially Owned by Each Reporting Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">10.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">Check
        if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">11.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Percent of Class Represented by Amount in Row (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">5.7%<SUP>3</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">12.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Type of Reporting Person (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PN</P></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consists of (i) 773,314 shares held by Venrock Healthcare Capital Partners III, L.P., (ii) 77,312 shares held by VHCP Co-Investment Holdings III, LLC and (iii) 863,660 shares held by Venrock Healthcare Capital Partners EG, L.P. </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">This percentage is calculated based upon 30,175,945 shares of the Issuer&rsquo;s Common Stock outstanding as reported in the Issuer&rsquo;s prospectus supplement filed with the Securities and Exchange Commission on September 30, 2020. &nbsp;</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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    <TD STYLE="width: 50%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;<B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="width: 50%; font-size: 10pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 5 of 14</FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="border: Black 1pt solid; padding-top: 3pt; vertical-align: top; padding-right: 1.5pt; padding-left: 9pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1. </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 3pt; vertical-align: top; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Name of reporting persons</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">VHCP Management III, LLC</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the Appropriate Box if a Member of a Group (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)
        </FONT><FONT STYLE="font-family: Wingdings">&#120;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt"><SUP>1
        </SUP></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">(b) </FONT><FONT STYLE="font-family: Wingdings">&#168;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Citizenship or Place of Organization</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Delaware</P></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD ROWSPAN="4" STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-left: 1.5pt; width: 12%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Number of</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Shares</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Beneficially</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Owned by</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Each</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Reporting</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">With:</P></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5. </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-left: 5pt; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 85%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-left: 5pt; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">7.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-left: 5pt; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">8.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-left: 5pt; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">9.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Aggregate Amount Beneficially Owned by Each Reporting Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">10.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">Check
        if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">11.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Percent of Class Represented by Amount in Row (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">5.7%<SUP>3</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">12.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Type of Reporting Person (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">OO</P></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consists of (i) 773,314 shares held by Venrock Healthcare Capital Partners III, L.P., (ii) 77,312 shares held by VHCP Co-Investment Holdings III, LLC and (iii) 863,660 shares held by Venrock Healthcare Capital Partners EG, L.P. </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">This percentage is calculated based upon 30,175,945 shares of the Issuer&rsquo;s Common Stock outstanding as reported in the Issuer&rsquo;s prospectus supplement filed with the Securities and Exchange Commission on September 30, 2020. &nbsp;</FONT></TD></TR>
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    <TD STYLE="width: 50%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="width: 50%; font-size: 10pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 6 of 14</FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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    <TD STYLE="padding-top: 3pt; border: Black 1pt solid; vertical-align: top; padding-left: 9pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1. </FONT></TD>
    <TD STYLE="padding-top: 3pt; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Name of reporting persons</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">VHCP Management EG, LLC</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the Appropriate Box if a Member of a Group (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)
        </FONT><FONT STYLE="font-family: Wingdings">&#120;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt"><SUP>1
        </SUP></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">(b) </FONT><FONT STYLE="font-family: Wingdings">&#168;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Citizenship or Place of Organization</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Delaware</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD ROWSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-left: 1.5pt; width: 12%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Number of</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Shares</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Beneficially</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Owned by</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Each</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Reporting</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">With:</P></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5. </FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 85%; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">7.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">8.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">9.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Aggregate Amount Beneficially Owned by Each Reporting Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">10.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">Check
        if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">11.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Percent of Class Represented by Amount in Row (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">5.7%<SUP>3</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">12.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Type of Reporting Person (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">OO</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consists of (i) 773,314 shares held by Venrock Healthcare Capital Partners III, L.P., (ii) 77,312 shares held by VHCP Co-Investment Holdings III, LLC and (iii) 863,660 shares held by Venrock Healthcare Capital Partners EG, L.P. </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">This percentage is calculated based upon 30,175,945 shares of the Issuer&rsquo;s Common Stock outstanding as reported in the Issuer&rsquo;s prospectus supplement filed with the Securities and Exchange Commission on September 30, 2020. &nbsp;</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: #FEFEFE">
    <TD STYLE="width: 50%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="width: 50%; font-size: 10pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 7 of 14</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="border: Black 1pt solid; padding-top: 3pt; vertical-align: top; padding-left: 9pt; width: 5%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">1. </FONT></TD>
    <TD STYLE="border-top: Black 1pt solid; padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Name of Reporting Persons</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shah, Nimish</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">2.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the Appropriate Box if a Member of a Group (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)
        </FONT><FONT STYLE="font-family: Wingdings">&#120;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt"><SUP>1
        </SUP></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">(b) </FONT><FONT STYLE="font-family: Wingdings">&#168;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">3.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Citizenship or Place of Organization</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">United States</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD ROWSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-left: 1.5pt; width: 12%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Number of</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Shares</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Beneficially</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Owned by</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Each</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Reporting</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">With:</P></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt; width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">5. </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 85%; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">6.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">7.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">8.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt; width: 5%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">9.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Aggregate Amount Beneficially Owned by Each Reporting Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">Check
        if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">11.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Percent of Class Represented by Amount in Row (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">5.7%<SUP>3</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">12.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-top: 3pt; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Type of Reporting Person (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">IN</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consists of (i) 773,314 shares held by Venrock Healthcare Capital Partners III, L.P., (ii) 77,312 shares held by VHCP Co-Investment Holdings III, LLC and (iii) 863,660 shares held by Venrock Healthcare Capital Partners EG, L.P. </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">This percentage is calculated based upon 30,175,945 shares of the Issuer&rsquo;s Common Stock outstanding as reported in the Issuer&rsquo;s prospectus supplement filed with the Securities and Exchange Commission on September 30, 2020. &nbsp;</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: #FEFEFE">
    <TD STYLE="width: 50%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="width: 50%; font-size: 10pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 8 of 14</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt; font-size: 10pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1. </FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-top: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Name of Reporting Persons</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Koh, Bong</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-top: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the Appropriate Box if a Member of a Group (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)
        </FONT><FONT STYLE="font-family: Wingdings">x</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt"><SUP>1
        </SUP></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">(b) </FONT><FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-top: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="padding-top: 3pt; border: Black 1pt solid; vertical-align: top; padding-left: 9pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD STYLE="padding-top: 3pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-top: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Citizenship or Place of Organization</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">United States</P></TD></TR>
</TABLE>

<P STYLE="margin: 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD ROWSPAN="4" STYLE="border-left: Black 1pt solid; border-bottom: Black 1pt solid; padding-left: 1.5pt; width: 12%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Number of</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Shares</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Beneficially</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Owned by</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Each</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Reporting</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">With:</P></TD>
    <TD STYLE="border-right: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5. </FONT></TD>
    <TD STYLE="padding-left: 5pt; border-right: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 85%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-top: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD STYLE="padding-left: 5pt; border-right: Black 1pt solid; border-top: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Voting Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-right: Black 1pt solid; border-top: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">7.</FONT></TD>
    <TD STYLE="padding-left: 5pt; border-right: Black 1pt solid; border-top: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; padding-left: 1.5pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">8.</FONT></TD>
    <TD STYLE="padding-left: 5pt; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-top: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared Dispositive Power</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
</TABLE>

<P STYLE="margin: 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="border-bottom: Black 1pt solid; border-left: Black 1pt solid; vertical-align: top; padding-left: 9pt; font-size: 10pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">9.</FONT></TD>
    <TD STYLE="border-left: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt; width: 90%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.5in">Aggregate Amount Beneficially
        Owned by Each Reporting Person</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1,714,286<SUP>2</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-left: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-left: 9pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">10.</FONT></TD>
    <TD STYLE="border-left: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">Check
        if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) </FONT><FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-left: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-left: 9pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">11.</FONT></TD>
    <TD STYLE="border-left: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Percent of Class Represented by Amount in Row (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">5.7%<SUP>3</SUP></P></TD></TR>
<TR STYLE="background-color: white">
    <TD STYLE="border-left: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-left: 9pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">12.</FONT></TD>
    <TD STYLE="border-left: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; vertical-align: top; padding-right: 1.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Type of Reporting Person (See Instructions)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">IN</P></TD></TR>
</TABLE>

<P STYLE="margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consists of (i) 773,314 shares held by Venrock Healthcare Capital Partners III, L.P., (ii) 77,312 shares held by VHCP Co-Investment Holdings III, LLC and (iii) 863,660 shares held by Venrock Healthcare Capital Partners EG, L.P. </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3&nbsp;</FONT></TD>
    <TD STYLE="width: 97%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">This percentage is calculated based upon 30,175,945 shares of the Issuer&rsquo;s Common Stock outstanding as reported in the Issuer&rsquo;s prospectus supplement filed with the Securities and Exchange Commission on September 30, 2020. &nbsp;</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1pt solid"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: #FEFEFE">
    <TD STYLE="width: 50%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="width: 50%; font-size: 10pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 9 of 14</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Introductory Note: This Schedule 13G is filed on behalf of Venrock
Healthcare Capital Partners III, L.P., a limited partnership organized under the laws of the State of Delaware (&ldquo;VHCP III
LP&rdquo;), VHCP Co-Investment Holdings III, LLC, a limited liability company organized under the laws of the State of Delaware
(&ldquo;VHCP Co-Investment III&rdquo;), Venrock Healthcare Capital Partners EG, L.P., a limited partnership organized under the
laws of the State of Delaware (&ldquo;VHCP EG&rdquo;), VHCP Management III, LLC, a limited liability company organized under the
laws of the State of Delaware (&ldquo;VHCP Management III&rdquo;), VHCP Management EG, LLC, a limited liability company organized
under the laws of the State of Delaware (&ldquo;VHCP Management EG&rdquo; and collectively with VHCP III LP, VHCP Co-Investment
III, VHCP EG and VHCP Management III, the &ldquo;Venrock Entities&rdquo;), Nimish Shah (&ldquo;Shah&rdquo;) and Bong Koh (&ldquo;Koh&rdquo;)
in respect of Common Stock of Cardiff Oncology, Inc.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 1.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name of Issuer</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Cardiff Oncology, Inc.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(b)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Address of Issuer&rsquo;s Principal Executive Offices</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">11055 Flintkote Avenue</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">San Diego, California 92121</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 2.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name of Person Filing</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Venrock Healthcare Capital Partners III, L.P.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">VHCP Co-Investment Holdings III, LLC</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Venrock Healthcare Capital Partners EG, L.P.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">VHCP Management III, LLC</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">VHCP Management EG, LLC</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Nimish Shah</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Bong Koh</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(b)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Address of Principal Business Office or, if none, Residence</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" ALIGN="CENTER" STYLE="width: 70%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR>
    <TD STYLE="vertical-align: top; width: 47%; padding-right: 3pt; padding-left: 3pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">New York Office:</FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 2%; padding-right: 3pt; padding-left: 3pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 49%; padding-right: 3pt; padding-left: 3pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Palo Alto Office:</FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 2%; padding-right: 3pt; padding-left: 3pt; font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt; font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 3pt; padding-left: 3pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; padding-right: 3pt; padding-left: 3pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">7 Bryant Park</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3pt; padding-left: 3pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3340 Hillview Avenue</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3pt; font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; padding-right: 3pt; padding-left: 3pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">23rd Floor</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3pt; padding-left: 3pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Palo Alto, CA 94304</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3pt; font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; padding-right: 3pt; padding-left: 3pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">New York, NY 10018</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3pt; padding-left: 3pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3pt; font-size: 10pt">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(c)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Citizenship</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">All of the Venrock Entities were organized in Delaware. The
individuals are both United States citizens.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(d)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title of Class of Securities</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Common Stock, par value $0.0001 per share</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(e)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">CUSIP Number</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: #FEFEFE">
    <TD STYLE="width: 50%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><BR STYLE="clear: both">
<B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="width: 50%; font-size: 10pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 10 of 14</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 8%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 3.</B></FONT></TD>
    <TD STYLE="width: 92%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>If this statement is filed pursuant to &sect;&sect;240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a:</B></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Not applicable</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 8%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 4.</B></FONT></TD>
    <TD STYLE="width: 92%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Ownership</B></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount Beneficially Owned as of November 4, 2020:</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table border="0" cellspacing="0" cellpadding="0" style="width: 60%; border-collapse: collapse; margin-left: 1.5in">
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 70%; font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Venrock Healthcare Capital Partners III, L.P.</TD><TD STYLE="width: 4%; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 20%; font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="width: 5%; font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Co-Investment Holdings III, LLC</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Venrock Healthcare Capital Partners EG, L.P.</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Management III, LLC</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Management EG, LLC</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Nimish Shah</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Bong Koh</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(b)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Percent of Class as of November 4, 2020:</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table border="0" cellspacing="0" cellpadding="0" style="width: 60%; border-collapse: collapse; margin-left: 1.5in">
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 70%; font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Venrock Healthcare Capital Partners III, L.P.</TD>
    <TD STYLE="width: 4%; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="width: 20%; font: 10pt Times New Roman, Times, Serif; text-align: right">5.7</TD><TD STYLE="width: 5%; font: 10pt Times New Roman, Times, Serif; text-align: left">%</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Co-Investment Holdings III, LLC</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">5.7</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">%</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Venrock Healthcare Capital Partners EG, L.P.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">5.7</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">%</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Management III, LLC</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">5.7</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">%</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Management EG, LLC</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">5.7</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">%</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Nimish Shah</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">5.7</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">%</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Bong Koh</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">5.7</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">%</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(c)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Number of shares as to which the person has, as of November 4, 2020:</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(i)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sole power to vote or to direct the vote</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table border="0" cellspacing="0" cellpadding="0" style="width: 60%; border-collapse: collapse; margin-left: 1.5in">
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 70%; font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Venrock Healthcare Capital Partners III, L.P.</TD><TD STYLE="width: 4%; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 20%; font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="width: 5%; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Co-Investment Holdings III, LLC</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Venrock Healthcare Capital Partners EG, L.P.</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Management III, LLC</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Management EG, LLC</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Nimish Shah</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Bong Koh</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: #FEFEFE">
    <TD STYLE="width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="width: 50%; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 11 of 14</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(ii)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Shared power to vote or to direct the vote</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table border="0" cellspacing="0" cellpadding="0" style="width: 60%; border-collapse: collapse; margin-left: 1.5in">
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 70%; font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Venrock Healthcare Capital Partners III, L.P.</TD>
    <TD STYLE="width: 4%; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="width: 20%; font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="width: 5%; font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Co-Investment Holdings III, LLC</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Venrock Healthcare Capital Partners EG, L.P.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Management III, LLC</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Management EG, LLC</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Nimish Shah</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Bong Koh</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 4%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(iii)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 93%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sole power to dispose or to direct the disposition of</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table border="0" cellspacing="0" cellpadding="0" style="width: 60%; border-collapse: collapse; margin-left: 1.5in">
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 70%; font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Venrock Healthcare Capital Partners III, L.P.</TD>
    <TD STYLE="width: 4%; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="width: 20%; font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="width: 5%; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Co-Investment Holdings III, LLC</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Venrock Healthcare Capital Partners EG, L.P.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Management III, LLC</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Management EG, LLC</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Nimish Shah</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Bong Koh</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">0</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: white">
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(iv)</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Shared power to dispose or to direct the disposition of</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table border="0" cellspacing="0" cellpadding="0" style="width: 60%; border-collapse: collapse; margin-left: 1.5in">
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 70%; font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Venrock Healthcare Capital Partners III, L.P.</TD>
    <TD STYLE="width: 4%; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="width: 20%; font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="width: 5%; font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Co-Investment Holdings III, LLC</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Venrock Healthcare Capital Partners EG, L.P.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Management III, LLC</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">VHCP Management EG, LLC</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Nimish Shah</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in">Bong Koh</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right">1,714,286</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left">(1)</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table border="0" cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)</FONT></TD>
    <TD STYLE="width: 96%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Consists of (i) 773,314 shares held by Venrock Healthcare Capital
        Partners III, L.P., (ii) 77,312 shares held by VHCP Co-Investment Holdings III, LLC and (iii) 863,660 shares held by Venrock Healthcare
        Capital Partners EG, L.P.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">VHCP Management III, LLC is the general partner of Venrock Healthcare
        Capital Partners III, L.P. and the manager of VHCP Co-Investment Holdings III, LLC. VHCP Management EG, LLC is the general partner
        of Venrock Healthcare Capital Partners EG, L.P. Messrs. Shah and Koh are the voting members of VHCP Management III, LLC and VHCP
        Management EG, LLC.</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 8%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 5.</B></FONT></TD>
    <TD STYLE="width: 92%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Ownership of Five Percent or Less of a Class</B></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">If
this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial
owner of more than five percent of the class of securities, check the following </FONT><FONT STYLE="font-family: Wingdings 2"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 8%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 6.</B></FONT></TD>
    <TD STYLE="width: 92%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Ownership of More than Five Percent on Behalf of Another Person</B></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Not Applicable</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT><FONT STYLE="font-size: 14pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 8%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 7.</B></FONT></TD>
    <TD STYLE="width: 92%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.</B></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Not Applicable</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"></FONT></P>

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: #FEFEFE">
    <TD STYLE="width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="text-align: right; width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 12 of 14</FONT></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 8%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 8.</B></FONT></TD>
    <TD STYLE="width: 92%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Identification and Classification of Members of the Group</B></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Not Applicable</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 8%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 9.</B></FONT></TD>
    <TD STYLE="width: 92%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Notice of Dissolution of a Group</B></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Not Applicable</P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 8%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 10.</B></FONT></TD>
    <TD STYLE="width: 92%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Certification</B></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing
or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant
in any transaction having that purpose or effect, other than activities solely in connection with a nomination under &sect; 240.14a-11.&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: #FEFEFE">
    <TD STYLE="width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="width: 50%; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 13 of 14</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B><U><BR>
SIGNATURE</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this statement is true, complete and correct.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Dated: November 4, 2020</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 4%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 6%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 39%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; width: 2%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 4%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 6%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 39%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Venrock
    Healthcare Capital Partners III, L.P.</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Venrock
    Healthcare Capital Partners EG, L.P.</B></FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">VHCP
    Management III, LLC</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">VHCP
    Management EG, LLC</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">General
    Partner</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">General
    Partner</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
    L. Stepp</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
    L. Stepp</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Authorized
    Signatory</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Authorized
    Signatory</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>VHCP
    Co-Investment Holdings III, LLC</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>VHCP
    Management EG, LLC</B></FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">VHCP
    Management III, LLC</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Manager</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
    L. Stepp</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
    L. Stepp</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Authorized
    Signatory</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Authorized
    Signatory</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>VHCP
    Management III, LLC</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Nimish
    Shah</B></FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
    L. Stepp</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
    L. Stepp, as attorney-in-fact</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Authorized
    Signatory</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Bong
    Koh</B></FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
    L. Stepp, as attorney-in-fact</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: #FEFEFE">
    <TD STYLE="width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CUSIP No. 14147L108</B></FONT></TD>
    <TD STYLE="width: 50%; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page 14 of 14</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>EXHIBITS</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%"><A HREF="#a_001"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">A:</FONT></A></TD>
    <TD STYLE="width: 97%"><A HREF="#a_001"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Joint Filing Agreement </FONT></A></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 3%"><A HREF="#a_002"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">B:</FONT></A></TD>
    <TD STYLE="width: 97%"><A HREF="#a_002"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Power of Attorney for Nimish Shah </FONT></A></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
<TD STYLE="width: 3%"><A HREF="#a_003"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">C:</FONT></A></TD>
<TD STYLE="width: 97%"><A HREF="#a_003">Power of Attorney for Bong Koh</A></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B><A NAME="a_001"></A>EXHIBIT A </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">JOINT FILING AGREEMENT</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 24.5pt">In accordance with Rule 13d-1(k) under
the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a statement
on Schedule 13G (including amendments thereto) with respect to the Common Stock of Cardiff Oncology, Inc. and further agree that
this agreement be included as an exhibit to such filing. Each party to the agreement expressly authorizes each other party to file
on its behalf any and all amendments to such statement. Each party to this agreement agrees that this joint filing agreement may
be signed in counterparts.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 24.5pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 24.5pt">In evidence whereof, the undersigned have
caused this Agreement to be executed on their behalf this 4<SUP>th</SUP> day of November, 2020.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 24.5pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR>
    <TD COLSPAN="3" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Venrock
    Healthcare Capital Partners III, L.P.</B></FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Venrock
    Healthcare Capital Partners EG, L.P.</B></FONT></TD></TR>
<TR>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:&nbsp;&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">VHCP
    Management III, LLC</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:&nbsp;&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">VHCP
    Management EG, LLC</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">General
    Partner</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">General
    Partner</FONT></TD></TR>
<TR>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; width: 2%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 2%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 42%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
    L. Stepp</FONT></TD>
    <TD STYLE="vertical-align: top; width: 8%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 2%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 2%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 42%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
    L. Stepp</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Authorized Signatory</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Authorized Signatory</FONT></TD></TR>
<TR>
    <TD COLSPAN="3"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR>
    <TD COLSPAN="3" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>VHCP
    Co-Investment Holdings III, LLC</B></FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>VHCP
    Management EG, LLC</B></FONT></TD></TR>
<TR>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">VHCP
    Management III, LLC</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Manager</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David L. Stepp</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David L. Stepp</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Authorized Signatory</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Authorized Signatory</FONT></TD></TR>
<TR>
    <TD COLSPAN="3"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR>
    <TD COLSPAN="3" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>VHCP
    Management III, LLC</B></FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Nimish
    Shah</B></FONT></TD></TR>
<TR>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David L. Stepp</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
    L. Stepp, as attorney-in-fact</FONT></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:</FONT></TD>
    <TD>Authorized Signatory</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR>
    <TD COLSPAN="3" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Bong
    Koh</B></FONT></TD></TR>
<TR>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    David L. Stepp</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
    L. Stepp, as attorney-in-fact</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 24.5pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 24.5pt"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 24.5pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B><A NAME="a_002"></A>EXHIBIT B</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">POWER OF ATTORNEY FOR NIMISH SHAH</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">KNOW ALL BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints each of David L. Stepp, Sherman G. Souther and Lisa D. Harris signing individually, the undersigned&rsquo;s
true and lawful attorney-in fact and agent to:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="width: 8%; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 5%; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(i)</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">prepare execute and file, for and on behalf of the undersigned, any and all documents and filings that are required or advisable to be made with the United States Securities and Exchange Commission, any stock exchange or similar authority, under the Securities Exchange Act of 1934, as amended (the &ldquo;Exchange Act&rdquo;), and the rules and regulations promulgated thereunder, including without limitation (a)&nbsp;any Joint Filing Agreement under Rule 13d-1(k) of the Exchange Act (or any successor provision thereunder), Schedule 13D and Schedule 13G (or any successor schedules or forms adopted under the Exchange Act ) and any amendments thereto in accordance with Section&nbsp;13 of the Exchange Act and the rules thereunder, and (b)&nbsp;Forms 3, 4 and 5 and any amendments thereto in accordance with Section&nbsp;16(a) of the Exchange Act and the rules thereunder; and </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="width: 8%; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 5%; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(ii)</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">take any other action of any nature whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact&rsquo;s discretion. </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">The undersigned hereby grants to such attorney-in-fact
full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in
the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could
do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact,
or such attorney-in-fact&rsquo;s substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney
and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such
capacity at the request of undersigned, is not assuming, nor is Venrock assuming, any of the undersigned&rsquo;s responsibilities
to comply with the Exchange Act, including without limitation Sections 13 and 16 of the Exchange Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">This power of Attorney shall remain in
full force and effect until the earliest to occur of (a)&nbsp;the undersigned is no longer required to file any form or document
with respect to the undersigned&rsquo;s holdings of and transactions in securities issued by a company, (b)&nbsp;revocation by
the undersigned in a signed writing delivered to the foregoing attorney-in-fact, or (c)&nbsp;until such attorney-in-fact shall
no longer be employed by VR Management, LLC (or its successor).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">IN WITNESS WHEREOF, the undersigned has
cause this Power of Attorney to be executed as of this 4<SUP>th</SUP> day of November, 2020.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; width: 50%">/s/ Nimish Shah &nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%">&nbsp;</TD></TR>
</TABLE>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B><A NAME="a_003"></A>EXHIBIT C</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">POWER OF ATTORNEY FOR BONG KOH</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">KNOW ALL BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints each of David L. Stepp, Sherman G. Souther and Lisa D. Harris signing individually, the undersigned&rsquo;s
true and lawful attorney-in fact and agent to:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="width: 8%; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 5%; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(i)</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">prepare execute and file, for and on behalf of the undersigned, any and all documents and filings that are required or advisable to be made with the United States Securities and Exchange Commission, any stock exchange or similar authority, under the Securities Exchange Act of 1934, as amended (the &ldquo;Exchange Act&rdquo;), and the rules and regulations promulgated thereunder, including without limitation (a)&nbsp;any Joint Filing Agreement under Rule 13d-1(k) of the Exchange Act (or any successor provision thereunder), Schedule 13D and Schedule 13G (or any successor schedules or forms adopted under the Exchange Act ) and any amendments thereto in accordance with Section&nbsp;13 of the Exchange Act and the rules thereunder, and (b)&nbsp;Forms 3, 4 and 5 and any amendments thereto in accordance with Section&nbsp;16(a) of the Exchange Act and the rules thereunder; and </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="width: 8%; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 5%; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(ii)</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">take any other action of any nature whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact&rsquo;s discretion. </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">The undersigned hereby grants to such attorney-in-fact
full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in
the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could
do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact,
or such attorney-in-fact&rsquo;s substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney
and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such
capacity at the request of undersigned, is not assuming, nor is Venrock assuming, any of the undersigned&rsquo;s responsibilities
to comply with the Exchange Act, including without limitation Sections 13 and 16 of the Exchange Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">This power of Attorney shall remain in
full force and effect until the earliest to occur of (a)&nbsp;the undersigned is no longer required to file any form or document
with respect to the undersigned&rsquo;s holdings of and transactions in securities issued by a company, (b)&nbsp;revocation by
the undersigned in a signed writing delivered to the foregoing attorney-in-fact, or (c)&nbsp;until such attorney-in-fact shall
no longer be employed by VR Management, LLC (or its successor).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">IN WITNESS WHEREOF, the undersigned has
cause this Power of Attorney to be executed as of this 4<SUP>th</SUP> day of November, 2020.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; width: 50%">/s/ Bong Koh &nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%">&nbsp;</TD></TR>
</TABLE>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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</SEC-DOCUMENT>
