<SEC-DOCUMENT>0001104659-22-023142.txt : 20220214
<SEC-HEADER>0001104659-22-023142.hdr.sgml : 20220214
<ACCEPTANCE-DATETIME>20220214170715
ACCESSION NUMBER:		0001104659-22-023142
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20220214
DATE AS OF CHANGE:		20220214
GROUP MEMBERS:		JEREMY C. GREEN

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Celldex Therapeutics, Inc.
		CENTRAL INDEX KEY:			0000744218
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		IRS NUMBER:				133191702
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-37761
		FILM NUMBER:		22634480

	BUSINESS ADDRESS:	
		STREET 1:		53 FRONTAGE ROAD
		STREET 2:		SUITE 220
		CITY:			HAMPTON
		STATE:			NJ
		ZIP:			08827
		BUSINESS PHONE:		908-200-7500

	MAIL ADDRESS:	
		STREET 1:		53 FRONTAGE ROAD
		STREET 2:		SUITE 220
		CITY:			HAMPTON
		STATE:			NJ
		ZIP:			08827

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AVANT IMMUNOTHERAPEUTICS INC
		DATE OF NAME CHANGE:	19980828

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	T CELL SCIENCES INC
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Redmile Group, LLC
		CENTRAL INDEX KEY:			0001425738
		IRS NUMBER:				208592298
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		ONE LETTERMAN DRIVE
		STREET 2:		BUILDING D, SUITE D3-300
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94129
		BUSINESS PHONE:		415-489-9980

	MAIL ADDRESS:	
		STREET 1:		ONE LETTERMAN DRIVE
		STREET 2:		BUILDING D, SUITE D3-300
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94129
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tm226094d3_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

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

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

<P STYLE="font: 10pt 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: 14pt 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</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Amendment No.&nbsp;1)</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">&nbsp;</P>

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase"><B>Celldex
therapeutics,&nbsp;Inc.</B></FONT></P>

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

<!-- Field: Rule-Page --><DIV STYLE="margin-top: 3pt; margin-bottom: 3pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Common Stock, $0.001 par value</B></P>

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

<!-- Field: Rule-Page --><DIV STYLE="margin-top: 3pt; margin-bottom: 3pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>15117B202</B></P>

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

<!-- Field: Rule-Page --><DIV STYLE="margin: 3pt auto; width: 50%"><DIV STYLE="font-size: 1pt; border-top: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>December&nbsp;31, 2021</B></P>

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

<!-- Field: Rule-Page --><DIV STYLE="margin: 3pt auto; width: 75%"><DIV STYLE="font-size: 1pt; border-top: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<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">&nbsp;</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.5in">&nbsp;</TD><TD STYLE="width: 0.5in; text-align: left"><FONT STYLE="font-family: Wingdings; font-size: 14pt">&thorn;</FONT></TD><TD STYLE="text-align: justify">Rule&nbsp;13d-1(b)</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in; text-align: left"><FONT STYLE="font-family: Wingdings; font-size: 14pt">o</FONT></TD><TD STYLE="text-align: justify">Rule&nbsp;13d-1(c)</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in; text-align: left"><FONT STYLE="font-family: Wingdings; font-size: 14pt">o</FONT></TD><TD STYLE="text-align: justify">Rule&nbsp;13d-1(d)</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 remainder of this cover page&nbsp;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.</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">The information required in the remainder of this cover page&nbsp;shall
not be deemed to be &ldquo;filed&rdquo; for the purpose of Section&nbsp;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;</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="break-before: page; 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>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CUSIP
No.&nbsp;</B></FONT><B>15117B202</B></P>

<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="vertical-align: top">
    <TD STYLE="border-top: Black 1.5pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>1</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-top: Black 1.5pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Name of Reporting Person</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Redmile Group, LLC</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>2</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Check the Appropriate Box if
    a Member of a Group (See Instructions)</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">&nbsp;</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; font-variant: small-caps">(a)&nbsp;&nbsp;
    </FONT><FONT STYLE="font-family: Wingdings; font-variant: small-caps">&uml;</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; font-variant: small-caps">(b)&nbsp;&nbsp;
    </FONT><FONT STYLE="font-family: Wingdings; font-variant: small-caps">&uml;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>3</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; font-variant: small-caps">SEC Use Only</FONT></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font: small-caps 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>4</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Citizenship or Place of Organization</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps"><B>&nbsp;</B></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Delaware</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="2" ROWSPAN="4" STYLE="vertical-align: middle; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>number of<BR>
shares<BR>
beneficially<BR>
owned by<BR>
each<BR>
reporting<BR>
person with</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>5</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Sole Voting Power</FONT></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"><B>0</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>6</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Shared Voting Power</FONT></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"><B>2,165,586 <SUP>(1)</SUP></B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>7</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">S</FONT><FONT STYLE="font-variant: small-caps">ole
    Dispositive Power</FONT></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"><B>0</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>8</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Shared Dispositive Power</FONT></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"><B>2,165,586 <SUP>(1)</SUP></B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>9</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Aggregate Amount Beneficially
    Owned by Each Reporting Person</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase"><B>&nbsp;</B></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>2,165,586 <SUP>(1)</SUP></B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>10</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Check if the Aggregate Amount
    in Row (9)&nbsp;Excludes Certain Shares (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">&nbsp;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>11</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Percent of Class&nbsp;Represented
    by Amount in Row (9)</FONT></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"><B>4.6%<SUP>(2)</SUP></B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>12</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Type of Reporting Person (See
    Instructions)</FONT></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>IA, OO</B></P></TD></TR>
  <TR>
    <TD STYLE="width: 6%">&nbsp;</TD>
    <TD STYLE="width: 11%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 78%">&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>

<!-- Field: Rule-Page --><DIV STYLE="margin-top: 0; margin-bottom: 0; width: 25%"><DIV STYLE="font-size: 1pt; border-top: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif"><SUP>(1</SUP></FONT><SUP>)
</SUP>Redmile Group, LLC&rsquo;s beneficial ownership of the Issuer&rsquo;s Common Stock, $0.001 par value (&ldquo;Common Stock&rdquo;),
is comprised of 2,165,586 shares of Common Stock owned by certain private investment vehicles and/or separately managed accounts managed
by Redmile Group, LLC, which shares of Common Stock may be deemed beneficially owned by Redmile Group, LLC as investment manager of such
private investment vehicles and/or separately managed accounts. The reported securities may also be deemed beneficially owned by Jeremy
C. Green as the principal of Redmile Group, LLC. Redmile Group, LLC and Mr. Green each disclaim beneficial ownership of these shares,
except to the extent of its or his pecuniary interest in such shares, if any.</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif"><SUP>(2)
</SUP></FONT>Percentage based on 46,663,872 shares of Common Stock outstanding as of October 31, 2021, as reported by the Issuer in its
Form 10-Q for the quarterly period ended September 30, 2021 filed with the Securities and Exchange Commission on November 9, 2021 (the
 &ldquo;Form 10-Q&rdquo;).</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"></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"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CUSIP
No.&nbsp;</B></FONT><B>15117B202</B></P>

<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="vertical-align: top">
    <TD STYLE="border-top: Black 1.5pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>1</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-top: Black 1.5pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Name of Reporting Person</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Jeremy C. Green</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>2</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Check the Appropriate Box if
    a Member of a Group (See Instructions)</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">&nbsp;</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; font-variant: small-caps">(a)&nbsp;&nbsp;
    </FONT><FONT STYLE="font-family: Wingdings; font-variant: small-caps">&uml;</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; font-variant: small-caps">(b)&nbsp;&nbsp;
    </FONT><FONT STYLE="font-family: Wingdings; font-variant: small-caps">&uml;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>3</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; font-variant: small-caps">SEC Use Only</FONT></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font: small-caps 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>4</B></P></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Citizenship or Place of Organization</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps"><B>&nbsp;</B></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>United Kingdom</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="2" ROWSPAN="4" STYLE="vertical-align: middle; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>number of<BR>
shares<BR>
beneficially<BR>
owned by<BR>
each<BR>
reporting<BR>
person with</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>5</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Sole Voting Power</FONT></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"><B>0 </B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>6</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Shared Voting Power</FONT></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"><B>2,165,586 <SUP>(3)</SUP></B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>7</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">S</FONT><FONT STYLE="font-variant: small-caps">ole
    Dispositive Power</FONT></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"><B>0</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>8</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Shared Dispositive Power</FONT></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"><B>2,165,586 <SUP>(3)</SUP></B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>9</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Aggregate Amount Beneficially
    Owned by Each Reporting Person</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase"><B>&nbsp;</B></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>2,165,586 <SUP>(3)</SUP></B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>10</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Check if the Aggregate Amount
    in Row (9)&nbsp;Excludes Certain Shares (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<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="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>11</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Percent of Class&nbsp;Represented
    by Amount in Row (9)</FONT></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"><B>4.6%<SUP>(4)</SUP></B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>12</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-variant: small-caps">Type of Reporting Person (See
    Instructions)</FONT></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>IN, HC</B></P></TD></TR>
  <TR>
    <TD STYLE="width: 6%">&nbsp;</TD>
    <TD STYLE="width: 11%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 78%">&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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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif"><SUP>(3</SUP></FONT><SUP>)
</SUP>Jeremy C. Green&rsquo;s beneficial ownership of Common Stock is comprised of 2,165,586 shares of Common Stock owned by certain
private investment vehicles and/or separately managed accounts managed by Redmile Group, LLC, which shares of Common Stock may be deemed
beneficially owned by Redmile Group, LLC as investment manager of such private investment vehicles and/or separately managed accounts.
The reported securities may also be deemed beneficially owned by Jeremy C. Green as the principal of Redmile Group, LLC. Redmile Group,
LLC and Mr. Green each disclaim beneficial ownership of these shares, except to the extent of its or his pecuniary interest in such shares,
if any.</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0pt 0"><SUP>(4)</SUP> Percentage based on 46,663,872 shares of Common Stock
outstanding as of October 31, 2021, as reported by the Issuer in the Form 10-Q.</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"></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"><B>Item 1.</B></P>

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

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<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(a)</TD><TD STYLE="text-align: justify">Name of Issuer</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; text-indent: 0.75in">Celldex Therapeutics,&nbsp;Inc.</P>

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

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<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(b)</TD><TD STYLE="text-align: justify">Address of Issuer&rsquo;s Principal Executive Offices</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; text-indent: 0.75in">Perryville III Building,</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.75in">53 Frontage Road, Suite&nbsp;220</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.75in">Hampton, New Jersey 08827</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 CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(a)</TD><TD STYLE="text-align: justify">Names of Persons Filing</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 0pt 0.75in">Redmile Group, LLC<BR>
Jeremy C. Green</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(b)</TD><TD STYLE="text-align: justify">Address of Principal Business office or, if None, Residence</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 0pt 0.75in">Redmile Group, LLC<BR>
One Letterman Drive<BR>
Building D, Suite&nbsp;D3-300<BR>
The Presidio of San Francisco<BR>
San Francisco, California 94129</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 0pt 0.75in">Jeremy C. Green<BR>
c/o Redmile Group, LLC<BR>
One Letterman Drive<BR>
Building D, Suite&nbsp;D3-300<BR>
The Presidio of San Francisco<BR>
San Francisco, California 94129</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(c)</TD><TD STYLE="text-align: justify">Citizenship</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 0pt 0.75in">Redmile Group, LLC: Delaware<BR>
Jeremy C. Green: United Kingdom</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(d)</TD><TD STYLE="text-align: justify">Title of Class&nbsp;of Securities</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 0pt 0.75in">Common Stock, $0.001 par value</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(e)</TD><TD STYLE="text-align: justify">CUSIP Number</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 0pt 0.75in">15117B202</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"></P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.75in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 3.</B></FONT></TD><TD>If this statement is filed pursuant to &sect;&sect; 240.13d-1(b)&nbsp;or 240.13d-2(b)&nbsp;or (c), check whether the person filing
is a:</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.75in">&nbsp;</TD>
    <TD STYLE="width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)</FONT></TD>
    <TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(b)</FONT></TD>
    <TD><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Bank as defined in section 3(a)(6)&nbsp;of the Act (15 U.S.C. 78c);</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(c)</FONT></TD>
    <TD><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(d)</FONT></TD>
    <TD><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8);</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(e)</FONT></TD>
    <TD><FONT STYLE="font-family: Wingdings">&#120;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">An investment adviser in accordance with &sect; 240.13d-1(b)(1)(ii)(E);</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(f)</FONT></TD>
    <TD><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">An employee benefit plan or endowment fund in accordance with &sect; 240.13d-1(b)(1)(ii)(F);</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(g)</FONT></TD>
    <TD><FONT STYLE="font-family: Wingdings">&#120;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">A parent holding company or control person in accordance with &sect; 240.13d-1(b)(1)(ii)(G);</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(h)</FONT></TD>
    <TD><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">A savings associations as defined in Section&nbsp;3(b)&nbsp;of the Federal Deposit Insurance Act (12 U.S.C. 1813);</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(i)</FONT></TD>
    <TD><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(j)</FONT></TD>
    <TD><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">A non-U.S. institution in accordance with &sect; 240.13d-1(b)(1)(ii)(J);</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(k)</FONT></TD>
    <TD><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Group, in accordance with &sect; 240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with &sect; 240.13d-1(b)(1)(ii)(J), please specify the type of institution: __________</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.75in"><B>Item 4.</B></TD><TD><B>Ownership.</B></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.75in"></TD><TD STYLE="width: 0.5in; text-align: left">(a)</TD><TD STYLE="text-align: justify">Amount beneficially owned:</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 0pt 1.25in">Redmile Group, LLC &ndash; 2,165,586*<BR>
Jeremy C. Green &ndash; 2,165,586*</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.75in"></TD><TD STYLE="width: 0.5in; text-align: left">(b)</TD><TD STYLE="text-align: justify">Percent of class:</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 0pt 1.25in">Redmile Group, LLC &ndash; 4.6%**<BR>
Jeremy C. Green &ndash; 4.6%**</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.75in"></TD><TD STYLE="width: 0.5in; text-align: left">(c)</TD><TD STYLE="text-align: justify">Number of shares as to which Redmile Group, LLC has:</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(i)</TD><TD STYLE="text-align: justify">Sole power to vote or to direct the vote: 0</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(ii)</TD><TD STYLE="text-align: justify">Shared power to vote or to direct the vote: 2,165,586*</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(iii)</TD><TD STYLE="text-align: justify">Sole power to dispose or to direct the disposition of: 0</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(iv)</TD><TD STYLE="text-align: justify">Shared power to dispose or to direct the disposition of: 2,165,586*</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>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1.25in">Number of shares as to which Jeremy C. Green has:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(i)</TD><TD STYLE="text-align: justify">Sole power to vote or to direct the vote: 0</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(ii)</TD><TD STYLE="text-align: justify">Shared power to vote or to direct the vote: 2,165,586*</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(iii)</TD><TD STYLE="text-align: justify">Sole power to dispose or to direct the disposition of: 0</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(iv)</TD><TD STYLE="text-align: justify">Shared power to dispose or to direct the disposition of: 2,165,586*</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.75in"></TD><TD STYLE="width: 0.5in; text-align: left">*</TD><TD STYLE="text-align: left">Redmile Group, LLC&rsquo;s and Jeremy C. Green&rsquo;s beneficial
ownership of the Issuer&rsquo;s Common Stock is comprised of 2,165,586 shares of Common Stock owned by certain private investment vehicles
and/or separately managed accounts managed by Redmile Group, LLC, which shares of Common Stock may be deemed beneficially owned by Redmile
Group, LLC as investment manager of such private investment vehicles and/or separately managed accounts. The reported securities may
also be deemed beneficially owned by Jeremy C. Green as the principal of Redmile Group, LLC. Redmile Group, LLC and Mr.&nbsp;Green each
disclaim beneficial ownership of these shares, except to the extent of its or his pecuniary interest in such shares, if any.</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.75in"></TD><TD STYLE="width: 0.5in; text-align: left">**</TD><TD STYLE="text-align: left">Percentage based on 46,663,872 shares of Common Stock outstanding
as of October&nbsp;31, 2021, as reported by the Issuer in the Form&nbsp;10-Q.</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.75in"><B>Item 5.</B></TD><TD><B>Ownership of Five Percent or Less of a Class.</B></TD></TR></TABLE>

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

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.75in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">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 5 percent of the class of securities, check the following </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#120;</FONT></FONT></P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.75in"><B>Item 6.</B></TD><TD><B>Ownership of More than Five Percent on Behalf of Another Person.</B></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 0pt 0.75in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">N/A</FONT>.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.75in"><B>Item 7.</B></TD><TD><B>Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company
or Control Person.</B></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-top: 0; margin-bottom: 0; margin-left: 0.75in; text-indent: 0in; text-align: justify">
See the response to Item 4.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.75in"><B>Item 8.</B></TD><TD><B>Identification and Classification of Members of the Group.</B></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 0pt 0.75in">N/A</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.75in"><B>Item 9.</B></TD><TD><B>Notice of Dissolution of Group.</B></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 0pt 0.75in">N/A</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.75in"><B>Item 10.</B></TD><TD><B>Certifications.</B></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 0pt 0.75in"><FONT STYLE="background-color: white">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.</FONT></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"></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>SIGNATURE</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,&nbsp;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">Date: February&nbsp;14, 2022</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" ALIGN="RIGHT" STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%">
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="3"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Redmile Group, LLC</B></FONT></TD></TR>
  <TR>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
  <TR>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; width: 12%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 4%; border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 84%; border-bottom: black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ </FONT>Jeremy C. Green</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name: Jeremy C. Green<BR>
Title: Managing Member</FONT></TD></TR>
  </TABLE><BR STYLE="clear: both">
<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" ALIGN="RIGHT" STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%">
  <TR>
    <TD STYLE="vertical-align: top; width: 12%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 4%; border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 84%; border-bottom: black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ </FONT>Jeremy C. Green</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Jeremy C. Green</B></FONT></TD></TR>
  </TABLE><BR STYLE="clear: both">
<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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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>tm226094d3_ex99-1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0; text-align: right"><B>Exhibit&nbsp;99.1</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>Joint Filing Agreement</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: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
accordance with Rule&nbsp;13d-1(k)(1)&nbsp;under the Securities Exchange Act of 1934, as amended (the &ldquo;<U>Exchange Act</U>&rdquo;),
</FONT>the undersigned hereby agree to the joint filing on behalf of each of them of a Statement on Schedule 13G (including any and all
amendments thereto, the &ldquo;<U>Schedule 13G</U>&rdquo;) relating to the Common Stock, $0.001 par value par value per share, of Celldex
Therapeutics,&nbsp;Inc., which may be deemed necessary pursuant to Regulation 13D or 13G promulgated under the Exchange Act.</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: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
undersigned further agree that each party hereto is responsible for the timely filing of the Schedule 13G, and for the </FONT>accuracy
and completeness of the information concerning such party contained therein; provided, however, that no party is responsible for the accuracy
or completeness of the information concerning any other party, unless such party knows or has a reason to believe that such information
is inaccurate.</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: justify; text-indent: 0.5in">It is understood and agreed
that a copy of this Joint Filing Agreement shall be attached as an exhibit to the Schedule 13G, filed on behalf of each of the parties
hereto.</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: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>IN
WITNESS WHEREOF</B></FONT>, each of the undersigned has executed this Joint Filing Agreement as of the 14th day of February, 2022.</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">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" ALIGN="RIGHT" STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%; border-collapse: collapse">
  <TR>
    <TD STYLE="width: 100%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>REDMILE GROUP, LLC</B></FONT></TD></TR>
  <TR>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
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    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><U>/s/ Jeremy C. Green&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></FONT></TD></TR>
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    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name: Jeremy C. Green</FONT></TD></TR>
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    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title: Managing Member</FONT></TD></TR>
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    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><U>/s/ Jeremy C. Green&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></FONT></TD></TR>
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    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>JEREMY C. Green</B></FONT></TD></TR>
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