<SEC-DOCUMENT>0001104659-23-067540.txt : 20230602
<SEC-HEADER>0001104659-23-067540.hdr.sgml : 20230602
<ACCEPTANCE-DATETIME>20230602160603
ACCESSION NUMBER:		0001104659-23-067540
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230602
DATE AS OF CHANGE:		20230602
GROUP MEMBERS:		BAKER BROS. ADVISORS (GP) LLC
GROUP MEMBERS:		FELIX J. BAKER
GROUP MEMBERS:		JULIAN C. BAKER

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TScan Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001783328
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				825282075
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-92700
		FILM NUMBER:		23988681

	BUSINESS ADDRESS:	
		STREET 1:		880 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		857-399-9500

	MAIL ADDRESS:	
		STREET 1:		880 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BAKER BROS. ADVISORS LP
		CENTRAL INDEX KEY:			0001263508
		IRS NUMBER:				134093645
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		860 WASHINGTON STREET
		STREET 2:		3RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014
		BUSINESS PHONE:		2123395600

	MAIL ADDRESS:	
		STREET 1:		860 WASHINGTON STREET
		STREET 2:		3RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BAKER BROS ADVISORS LLC
		DATE OF NAME CHANGE:	20030911
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>tm2317496d1_sc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
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<P STYLE="text-align: center; margin-top: 0; margin-bottom: 0">&nbsp;</P>

<P STYLE="text-align: center; margin-top: 0; margin-bottom: 0"></P>

<!-- Field: Rule-Page --><DIV STYLE="width: 100%"><DIV STYLE="border-top: Black 2pt solid; border-bottom: Black 1pt solid; font-size: 1pt">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="text-align: center; margin-top: 0; margin-bottom: 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, DC 20549</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SCHEDULE 13D</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Rule 13d-102)</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>INFORMATION TO BE INCLUDED IN STATEMENTS FILED
PURSUANT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>TO RULE 13d-l(a) AND AMENDMENTS THERETO FILED
PURSUANT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>TO RULE 13d-2(a)</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Amendment No. 2)*</P>

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

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 14pt"><B>TScan Therapeutics,
Inc.</B></FONT></P>

<P STYLE="border-top: Black 1pt solid; 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; text-align: center">&nbsp;</P>

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

<P STYLE="border-top: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Title of Class of
Securities)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&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="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.65pt; padding-left: 5.65pt; text-align: center"><B>89854M101&nbsp;</B></TD>
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt; text-align: center"><FONT STYLE="font-size: 10pt">(CUSIP number)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD></TR>
</TABLE>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">860 Washington Street, 3<SUP>rd</SUP> Floor</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">New York, NY 10014</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(212) 339-5690</P>

<P STYLE="border-top: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name, address and
telephone number of person authorized to receive notices and communications)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&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="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.65pt; padding-left: 5.65pt; text-align: center">May 25, 2023&nbsp;</TD>
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt; text-align: center">(Date of event which requires filing of this statement)</TD>
    <TD STYLE="padding-right: 5.65pt; padding-left: 5.65pt">&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"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D,
and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box <FONT STYLE="font-family: Wingdings">&#168;</FONT>.</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; text-align: center">(Continued on the following pages)</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">(Page 1 of 9 Pages)</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: justify"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">*The remainder of this cover page shall be filled
out for a reporting person&#8217;s initial filing on this form with respect to the subject class of securities, and for any subsequent
amendment containing information which would alter disclosures provided in a prior cover page.</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">The information required on the remainder of this
cover page shall not be deemed to be &#8220;filed&#8221; for the purpose of Section 18 of the Securities Exchange Act of 1934 or otherwise
subject to the liabilities of that section of the Act but shall be subject to all other provisions of the 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"></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"></P>

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

<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: black 1pt solid; padding-right: 5.9pt; padding-bottom: 12pt; padding-left: 5.9pt; width: 26%"><FONT STYLE="font-size: 10pt"><B>CUSIP
    No. <U>&nbsp;&nbsp;89854M101 </U></B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; padding-right: 5.9pt; padding-bottom: 12pt; padding-left: 5.65pt; width: 48%">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-bottom: 12pt; padding-left: 5.65pt; width: 26%"><FONT STYLE="font-size: 10pt"><B>Page
    <U>&nbsp;2&nbsp; </U>of <U>&nbsp;9&nbsp; </U>Pages</B></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>
    <TD STYLE="border: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">1.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">NAMES OF REPORTING PERSONS</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Baker Bros. Advisors LP</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left; width: 10%"><FONT STYLE="font-size: 10pt">2.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.65pt; padding-bottom: 6pt; padding-left: 5.65pt; font-size: 10pt; width: 80%"><FONT STYLE="font-size: 10pt">CHECK
    THE APPROPRIATE BOX IF A MEMBER OF A GROUP*</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt; width: 10%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(a) <FONT STYLE="font-family: Wingdings"><B>&#168;</B></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(b) <FONT STYLE="font-family: Wingdings"><B>&#168;</B></FONT></P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">3.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.65pt; font-size: 10pt"><FONT STYLE="font-size: 10pt">SEC
    USE ONLY</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">4.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOURCE OF FUNDS*</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">OO</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">5.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 6pt 5.65pt; vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">CHECK
    BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 6pt 5.9pt 6pt 5.65pt; vertical-align: top; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">6.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 6pt; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">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>
    <TD ROWSPAN="4" STYLE="border-right: black 1pt solid; vertical-align: top; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">NUMBER
    OF<BR>
    SHARES<BR>
    BENEFICIALLY<BR>
    OWNED BY EACH<BR>
    REPORTING<BR>
    PERSON WITH</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: bottom; width: 9%; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">7.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; width: 72%; padding-right: 5.9pt; padding-left: 5.65pt"><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">SOLE VOTING POWER: 2,793,938 (1)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; vertical-align: bottom; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">8.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">SHARED VOTING POWER: 0</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; vertical-align: bottom; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">9.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">SOLE DISPOSITIVE POWER: 2,793,938 (1)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; vertical-align: bottom; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">10.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">SHARED DISPOSITIVE POWER: 0</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>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">11.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
    2,793,938 (1)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-left: 5.9pt; font-size: 10pt; text-align: left; width: 10%"><FONT STYLE="font-size: 10pt">12.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.65pt; padding-left: 5.65pt; font-size: 10pt; width: 80%"><P STYLE="margin-top: 0; margin-bottom: 0"></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0">CHECK BOX
                                            IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; text-align: left; vertical-align: bottom; font-size: 10pt; width: 10%"><FONT STYLE="font-family: Wingdings; font-size: 10pt"><B>&#168;</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">13.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">6.5% (1)(2)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">14.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">TYPE
OF REPORTING PERSON*&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">IA, PN</P></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: 3%"></TD><TD STYLE="width: 0.25in; text-align: left">(1)</TD><TD STYLE="text-align: left">Includes 9,146 shares of common stock (&ldquo;Common Stock&rdquo;) of TScan Therapeutics, Inc. (the &ldquo;Issuer&rdquo;) underlying 9,146
non-qualified options to purchase Common Stock (&ldquo;Stock Options&rdquo;).</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 3%"></TD><TD STYLE="width: 0.25in; text-align: left">(2)</TD><TD STYLE="text-align: left">Based on 42,470,203 shares of Common Stock outstanding as of May 31, 2023, as reported in the Issuer&rsquo;s Prospectus filed with the
Securities and Exchange Commission (&ldquo;SEC&rdquo;) on May 30, 2023 and the Issuer&rsquo;s Form 8-K filed with the SEC on May 31, 2023
reflecting the partial exercise of 297,660 shares of the underwriters overallotment option.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.25in">&nbsp;</P>

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

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt"></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="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="border: black 1pt solid; padding-right: 5.9pt; padding-bottom: 12pt; padding-left: 5.9pt; width: 26%"><FONT STYLE="font-size: 10pt"><B>CUSIP
    No. <U>&nbsp;&nbsp;89854M101 </U></B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; padding-right: 5.9pt; padding-bottom: 12pt; padding-left: 5.65pt; width: 48%">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-bottom: 12pt; padding-left: 5.65pt; width: 26%"><FONT STYLE="font-size: 10pt"><B>Page
    <U>&nbsp;3&nbsp; </U>of <U>&nbsp;9&nbsp; </U>Pages</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="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="border: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">1.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 6pt; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">NAMES 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">Baker Bros. Advisors (GP) LLC</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left; width: 10%"><FONT STYLE="font-size: 10pt">2.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 6pt 5.65pt; vertical-align: top; font-size: 10pt; width: 80%"><FONT STYLE="font-size: 10pt">CHECK
    THE APPROPRIATE BOX IF A MEMBER OF A GROUP*</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 6pt; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt; width: 10%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(a) <FONT STYLE="font-family: Wingdings"><B>&#168;</B></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(b) <FONT STYLE="font-family: Wingdings"><B>&#168;</B></FONT></P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">3.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 6pt 5.9pt 6pt 5.65pt; vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">SEC
    USE ONLY</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">4.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 6pt; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOURCE OF FUNDS*</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">OO</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">5.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 6pt 5.65pt; vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">CHECK
    BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 6pt 5.9pt 6pt 5.65pt; vertical-align: top; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">6.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 6pt; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">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>
    <TD ROWSPAN="4" STYLE="border-right: black 1pt solid; vertical-align: top; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">NUMBER
    OF<BR>
    SHARES<BR>
    BENEFICIALLY<BR>
    OWNED BY EACH<BR>
    REPORTING<BR>
    PERSON WITH</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: bottom; width: 9%; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">7.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; width: 72%; padding-right: 5.9pt; padding-left: 5.65pt"><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">SOLE VOTING POWER: 2,793,938 (1)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: bottom; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">8.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">SHARED VOTING POWER: 0</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: bottom; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">9.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">SOLE DISPOSITIVE POWER: 2,793,938 (1)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: bottom; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">10.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">SHARED DISPOSITIVE POWER: 0</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>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">11.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
    2,793,938 (1)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-left: 5.9pt; font-size: 10pt; text-align: left; width: 10%"><FONT STYLE="font-size: 10pt">12.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.65pt; padding-left: 5.65pt; font-size: 10pt; width: 80%"><P STYLE="margin-top: 0; margin-bottom: 0"></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0">CHECK BOX
                                            IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; text-align: left; vertical-align: bottom; font-size: 10pt; width: 10%"><FONT STYLE="font-family: Wingdings; font-size: 10pt"><B>&#168;</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">13.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">6.5% (1)(2)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">14.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">TYPE
OF REPORTING PERSON*&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">HC, OO</P></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: 3%"></TD><TD STYLE="width: 0.25in; text-align: left">(1)</TD><TD STYLE="text-align: left">Includes 9,146 shares of Common Stock underlying 9,146 Stock Options.</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.25in; text-align: left">(2)</TD><TD STYLE="text-align: left">Based on 42,470,203 shares of Common Stock outstanding as of May 31, 2023, as reported in the Issuer&rsquo;s Prospectus filed with the
SEC on May 30, 2023 and the Issuer&rsquo;s Form 8-K filed with the SEC on May 31, 2023 reflecting the partial exercise of 297,660 shares
of the underwriters overallotment option.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.25in"></P>

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt"></P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.25in">&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: black 1pt solid; padding-right: 5.9pt; padding-bottom: 12pt; padding-left: 5.9pt; width: 26%"><FONT STYLE="font-size: 10pt"><B>CUSIP
    No. <U>&nbsp;&nbsp;89854M101 </U></B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; padding-right: 5.9pt; padding-bottom: 12pt; padding-left: 5.65pt; width: 48%">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-bottom: 12pt; padding-left: 5.65pt; width: 26%"><FONT STYLE="font-size: 10pt"><B>Page
    <U>&nbsp;4&nbsp; </U>of <U>&nbsp;9&nbsp; </U>Pages</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="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="border: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">1.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 6pt; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">NAMES 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">Felix J. Baker</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left; width: 10%"><FONT STYLE="font-size: 10pt">2.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 6pt 5.65pt; vertical-align: top; font-size: 10pt; width: 80%"><FONT STYLE="font-size: 10pt">CHECK
    THE APPROPRIATE BOX IF A MEMBER OF A GROUP*</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 6pt; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt; width: 10%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(a) <FONT STYLE="font-family: Wingdings"><B>&#168;</B></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(b) <FONT STYLE="font-family: Wingdings"><B>&#168;</B></FONT></P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">3.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 6pt 5.9pt 6pt 5.65pt; vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">SEC
    USE ONLY</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">4.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 6pt 5.9pt 6pt 5.65pt; vertical-align: top"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOURCE OF FUNDS*</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">OO</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">5.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 6pt 5.65pt; vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">CHECK
    BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 6pt 5.9pt 6pt 5.65pt; vertical-align: top; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">6.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 6pt 5.9pt 6pt 5.65pt; vertical-align: top"><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">United States</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>
    <TD ROWSPAN="4" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">NUMBER
    OF<BR>
    SHARES<BR>
    BENEFICIALLY<BR>
    OWNED BY EACH<BR>
    REPORTING<BR>
    PERSON WITH</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; vertical-align: bottom; border-bottom: black 1pt solid; width: 9%; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">7.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; width: 72%; padding-right: 5.9pt; padding-left: 5.65pt"><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">SOLE VOTING POWER: 2,793,938 (1)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; vertical-align: bottom; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">8.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">SHARED VOTING POWER: 0</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; vertical-align: bottom; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">9.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">SOLE DISPOSITIVE POWER: 2,793,938 (1)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; vertical-align: bottom; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">10.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">SHARED DISPOSITIVE POWER: 0</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>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">11.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
    2,793,938 (1)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-left: 5.9pt; font-size: 10pt; text-align: left; width: 10%"><FONT STYLE="font-size: 10pt">12.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.65pt; padding-left: 5.65pt; font-size: 10pt; width: 80%"><P STYLE="margin-top: 0; margin-bottom: 0"></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0">CHECK BOX
                                            IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; text-align: left; vertical-align: bottom; font-size: 10pt; width: 10%"><FONT STYLE="font-family: Wingdings; font-size: 10pt"><B>&#168;</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">13.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">6.5% (1)(2)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">14.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">TYPE
OF REPORTING PERSON*&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">IN, HC</P></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: 3%"></TD><TD STYLE="width: 0.25in; text-align: left">(1)</TD><TD STYLE="text-align: left">Includes 9,146 shares of Common Stock underlying 9,146 Stock Options.</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">(2)</TD><TD STYLE="text-align: left">Based on 42,470,203 shares of Common Stock outstanding as of May 31, 2023, as reported in the Issuer&rsquo;s Prospectus filed with the
SEC on May 30, 2023 and the Issuer&rsquo;s Form 8-K filed with the SEC on May 31, 2023 reflecting the partial exercise of 297,660 shares
of the underwriters overallotment option.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.25in"></P>

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt"></P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.25in">&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: black 1pt solid; padding-right: 5.9pt; padding-bottom: 12pt; padding-left: 5.9pt; width: 26%"><FONT STYLE="font-size: 10pt"><B>CUSIP
    No. <U>&nbsp;&nbsp;89854M101 </U></B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; padding-right: 5.9pt; padding-bottom: 12pt; padding-left: 5.65pt; width: 48%">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-bottom: 12pt; padding-left: 5.65pt; width: 26%"><FONT STYLE="font-size: 10pt"><B>Page
    <U>&nbsp;5&nbsp; </U>of <U>&nbsp;9&nbsp; </U>Pages</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="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="border: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">1.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 6pt; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">NAMES 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">Julian C. Baker</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left; width: 10%"><FONT STYLE="font-size: 10pt">2.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 6pt 5.65pt; vertical-align: top; font-size: 10pt; width: 80%"><FONT STYLE="font-size: 10pt">CHECK
    THE APPROPRIATE BOX IF A MEMBER OF A GROUP*</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 6pt; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt; width: 10%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(a) <FONT STYLE="font-family: Wingdings"><B>&#168;</B></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(b) <FONT STYLE="font-family: Wingdings"><B>&#168;</B></FONT></P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">3.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 6pt 5.9pt 6pt 5.65pt; vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">SEC
    USE ONLY</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">4.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 6pt 5.9pt 6pt 5.65pt; vertical-align: top"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOURCE OF FUNDS*</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">OO</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">5.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 6pt 5.65pt; vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">CHECK
    BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 6pt 5.9pt 6pt 5.65pt; vertical-align: top; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 6pt 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">6.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 6pt 5.9pt 6pt 5.65pt; vertical-align: top"><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">United States</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>
    <TD ROWSPAN="4" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">NUMBER
    OF<BR>
    SHARES<BR>
    BENEFICIALLY<BR>
    OWNED BY EACH<BR>
    REPORTING<BR>
    PERSON WITH</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; vertical-align: bottom; border-bottom: black 1pt solid; width: 9%; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">7.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; width: 72%; padding-right: 5.9pt; padding-left: 5.65pt"><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">SOLE VOTING POWER: 2,793,938 (1)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; vertical-align: bottom; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">8.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">SHARED VOTING POWER: 0</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; vertical-align: bottom; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">9.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">SOLE DISPOSITIVE POWER: 2,793,938 (1)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; vertical-align: bottom; border-bottom: black 1pt solid; padding-right: 5.9pt; padding-left: 5.65pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">10.</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">SHARED DISPOSITIVE POWER: 0</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>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">11.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
    2,793,938 (1)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-left: 5.9pt; font-size: 10pt; text-align: left; width: 10%"><FONT STYLE="font-size: 10pt">12.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.65pt; padding-left: 5.65pt; font-size: 10pt; width: 80%"><P STYLE="margin-top: 0; margin-bottom: 0"></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0">CHECK BOX
                                            IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; text-align: left; vertical-align: bottom; font-size: 10pt; width: 10%"><FONT STYLE="font-family: Wingdings; font-size: 10pt"><B>&#168;</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">13.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">6.5% (1)(2)</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.9pt; padding-bottom: 6pt; padding-left: 5.9pt; font-size: 10pt; text-align: left"><FONT STYLE="font-size: 10pt">14.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; vertical-align: top; padding-right: 5.9pt; padding-left: 5.65pt"><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">TYPE OF 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">IN, HC</P></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: 3%"></TD><TD STYLE="width: 0.25in; text-align: left">(1)</TD><TD STYLE="text-align: left">Includes 9,146 shares of Common Stock underlying 9,146 Stock Options.</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">(2)</TD><TD STYLE="text-align: left">Based on 42,470,203 shares of Common Stock outstanding as of May 31, 2023, as reported in the Issuer&rsquo;s Prospectus filed with the
SEC on May 30, 2023 and the Issuer&rsquo;s Form 8-K filed with the SEC on May 31, 2023 reflecting the partial exercise of 297,660 shares
of the underwriters overallotment option.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.25in"></P>

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt"></P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Amendment No. 2 to Schedule 13D</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">This Amendment No. 2 to Schedule 13D amends and supplements the statements
on the previously filed Schedule 13D, as amended, filed by Baker Bros. Advisors LP (the &ldquo;Adviser&rdquo;), Baker Bros. Advisors (GP)
LLC (the &ldquo;Adviser GP&rdquo;), Julian C. Baker, and Felix J. Baker (collectively the &ldquo;Reporting Persons&rdquo;). Except as
supplemented herein, such statements, as heretofore amended and supplemented, remain in full force and effect. Information given in response
to each item shall be deemed incorporated by reference in all other items, as applicable. Each capitalized term used but not defined herein
has the meaning ascribed to such term in the Schedule 13D, as amended.</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 Adviser GP is the sole general partner of the Adviser. Pursuant
to management agreements, as amended, among the Adviser, Baker Brothers Life Sciences, L.P. (&ldquo;Life Sciences&rdquo;), and 667, L.P.
(&ldquo;667&rdquo;, and together with Life Sciences, the &ldquo;Funds&rdquo;), and their respective general partners, the Funds&rsquo;
respective general partners relinquished to the Adviser all discretion and authority with respect to the investment and voting power of
the securities held by the Funds, and thus the Adviser has complete and unlimited discretion and authority with respect to the Funds&rsquo;
investments and voting power over investments.</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>Item 3. Source and Amount of Funds or Other Consideration.</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">Item 3 of this Amendment No. 2 is supplemented and amended, as the
case may be, as follows:</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 disclosure in Item 4 below is incorporated herein by reference.</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</B>&nbsp;<B>4. Purpose of the Transaction.</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">Item 4 of Amendment No. 2 hereby is supplemented and amended, as the
case may be, as follows:</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">On May 25, 2023, TScan Therapeutics, Inc. (the &ldquo;Issuer&rdquo;)
entered into an underwriting agreement (the &ldquo;Underwriting Agreement&rdquo;) with Morgan Stanley &amp; Co. LLC and Wedbush Securities
Inc.(the &ldquo;Underwriters&rdquo;), related to a public offering (the &ldquo;Offering&rdquo;) of 22,989,474 shares of common stock of
the Issuer (&ldquo;Common Stock&rdquo;) at a price to the public of $2.00 per share and prefunded&nbsp;warrants to purchase up to 47,010,526
shares of Common Stock (the &ldquo;Prefunded&nbsp;Warrants&rdquo;), at a price to the public of $1.9999 per warrant with an exercise price
of $0.0001 per share. In addition, the Issuer granted the Underwriter an option exercisable for 30 days from the date of the Underwriting
Agreement to purchase, at the public offering price less any underwriting discounts and commissions, up to an additional 10,500,000 shares
of Common Stock to cover overallotments, if any. As of the date of this filing the Underwriters partially exercised their overallotment
option to purchase 297,660 Common Shares as reported in the Issuer&rsquo;s Form 8-K filed with the Securities and Exchange Commission
(&ldquo;SEC&rdquo;) on May 31, 2023. The Offering of the Common Stock closed on May 31, 2023 and the Offering of the Prefunded Warrants
closed on June 1, 2023.</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">Pursuant to the Offering, 667 and Life Sciences purchased 3,192,710
and 34,307,290 Prefunded Warrants, respectively, at the offering price of $1.9999 per share, totaling 37,500,000 Prefunded Warrants in
the aggregate. Each of 667 and Life Sciences purchased the Prefunded Warrants with their working capital.</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 Prefunded Warrants are exercisable on a 1-for-1 basis at any time
at the election of the holder into shares of Common Stock subject to beneficial ownership limitations as described below. The Prefunded
Warrants are only exercisable to the extent that after giving effect to such exercise the holders thereof, together with their affiliates
and any members of a Section 13(d) group with such holders, would beneficially own, for purposes of Rule 13d-3 under the Securities Exchange
Act of 1934, as amended (the &ldquo;Exchange Act&rdquo;), no more than 4.99% of the outstanding shares of Common Stock (the &ldquo;Maximum
Percentage&rdquo;). By written notice to the Issuer, the Funds may from time to time increase or decrease the Maximum Percentage applicable
to that Fund to any other percentage not in excess of 19.99%. Any such increase will not be effective until the 61st&nbsp;day after such
notice is delivered to the Issuer.&nbsp;As a result of this restriction, the number of shares that may be issued upon exercise of the
Prefunded Warrants by the above holders may change depending upon changes in the number of outstanding shares of Common Stock. The Prefunded
Warrants are not currently exercisable due to the effect of the Maximum Percentage.</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">The Funds hold securities of the Issuer for investment purposes. The
Reporting Persons or their affiliates may purchase additional securities or dispose of securities in varying amounts and at varying times
depending upon the Reporting Persons&rsquo; continuing assessments of pertinent factors, including the availability of shares of Common
Stock or other securities for purchase at particular price levels, the business prospects of the Issuer, other business investment opportunities,
economic conditions, stock market conditions, money market conditions, the attitudes and actions of the Board and management of the Issuer,
the availability and nature of opportunities to dispose of securities of the Issuer and other plans and requirements of the particular
entities. &nbsp;The Reporting Persons may discuss items of mutual interest with the Issuer&rsquo;s management, other members of the Board
and other investors, which could include items in subparagraphs (a) through (j) of Item 4 Schedule 13D.</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">Depending upon their assessments of the above factors, the Reporting
Persons or their affiliates may change their present intentions as stated above and they may assess whether to make suggestions to the
management of the Issuer regarding financing, and whether to acquire additional securities of the Issuer (by means of open market purchases,
privately negotiated purchases, exercise of some or all of the non-qualified options to purchase Common Stock (&ldquo;Stock Options&rdquo;),
conversion of some or all of the Non-Voting Common Stock (as defined in Item 5), exercise of some or all of the Prefunded Warrants subject
to limitations described in Item 4, or otherwise) or to dispose of some or all of the securities of the Issuer under their control.</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">Except as otherwise disclosed herein, at the present time, the Reporting
Persons do not have any plans or proposals with respect to any extraordinary corporate transaction involving the Issuer including, without
limitation, those matters described in subparagraphs (a) through (j) of Item 4 of Schedule 13D.</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>ITEM 5. Interest in Securities of the 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">(a) and (b) Items 7 through 11 and 13 of each of the cover pages of
this Amendment No. 2 are incorporated herein by reference.</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 set forth in Item 4 is hereby incorporated by reference
into this Item 5.</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">Set forth below is the aggregate number of shares of Common Stock directly
held by each of the Funds, which may be deemed to be indirectly beneficially owned by the Reporting Persons, as well as the shares of
Common Stock that may be acquired upon conversion of non-voting common stock of the Issuer (&ldquo;Non-Voting Common Stock&rdquo;) or
exercise of Prefunded Warrants by the Funds, subject to, respectively the Beneficial Ownership Limitation and the Maximum Percentage.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid; white-space: nowrap; font: bold 10pt Times New Roman, Times, Serif">Holder</TD><TD STYLE="padding-bottom: 1pt; white-space: nowrap; font: bold 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; white-space: nowrap; font: bold 10pt Times New Roman, Times, Serif; text-align: center">Common Stock</TD><TD STYLE="padding-bottom: 1pt; white-space: nowrap; font: bold 10pt Times New Roman, Times, Serif">&nbsp;</TD><TD STYLE="padding-bottom: 1pt; white-space: nowrap; font: bold 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; white-space: nowrap; font: bold 10pt Times New Roman, Times, Serif; text-align: center">Non-Voting Common Stock</TD><TD STYLE="padding-bottom: 1pt; white-space: nowrap; font: bold 10pt Times New Roman, Times, Serif">&nbsp;</TD><TD STYLE="padding-bottom: 1pt; white-space: nowrap; font: bold 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; white-space: nowrap; font: bold 10pt Times New Roman, Times, Serif; text-align: center">Prefunded Warrants</TD><TD STYLE="padding-bottom: 1pt; white-space: nowrap; font: bold 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 61%; font: 10pt Times New Roman, Times, Serif; text-align: left">667, L.P.</TD><TD STYLE="width: 1%; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 1%; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="width: 10%; font: 10pt Times New Roman, Times, Serif; text-align: right">256,209</TD><TD STYLE="width: 1%; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="width: 1%; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 1%; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="width: 10%; font: 10pt Times New Roman, Times, Serif; text-align: right">315,777</TD><TD STYLE="width: 1%; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="width: 1%; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 1%; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="width: 10%; font: 10pt Times New Roman, Times, Serif; text-align: right">3,192,710</TD><TD STYLE="width: 1%; 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; padding-bottom: 1pt">Baker Brothers Life Sciences, L.P.</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right">2,528,583</TD><TD STYLE="padding-bottom: 1pt; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right">3,960,811</TD><TD STYLE="padding-bottom: 1pt; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right">34,307,290</TD><TD STYLE="padding-bottom: 1pt; 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; padding-bottom: 2.5pt">Total</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right">2,784,792</TD><TD STYLE="padding-bottom: 2.5pt; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right">4,276,588</TD><TD STYLE="padding-bottom: 2.5pt; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right">37,500,000</TD><TD STYLE="padding-bottom: 2.5pt; 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">Shares of Non-Voting Common Stock are convertible into Common Stock
on a 1-for-1 basis at the option of the holder without consideration, subject to beneficial ownership limitations as described below.</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 shares of Non-Voting Common Stock are only convertible to the extent
that after giving effect to such conversion the holders thereof, together with their affiliates with whom such holders would be required
to aggregate beneficial ownership for purposes of Section 13(d) of the Exchange Act, would beneficially own, for purposes of Section 13(d)
of the Exchange Act, no more than 4.99% of the outstanding shares of Common Stock (the &ldquo;Beneficial Ownership Limitation&rdquo;).
By notice to the Issuer, the Funds may from time to time increase or decrease the Beneficial Ownership Limitation applicable to that Fund.
Any such increase will not be effective until the 61st&nbsp;day after such notice is delivered to the Issuer.&nbsp;As a result of this
restriction, the number of shares that may be issued upon conversion of the shares of Non-Voting Common Stock by the above holders may
change depending upon changes in the number of outstanding shares of Common Stock. In addition, no holder of Non-Voting Common Stock may
elect to change the Beneficial Ownership Limitation unless all holders managed by the same investment adviser as such electing holder
make the same election. The Non-Voting Common Stock shall have no right to vote on any matter related to the election or removal of the
directors of the Issuer. The Non-Voting Common Stock is not currently convertible due to the effect of the Beneficial Ownership Limitation.</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">Dr. Stephen R. Biggar, a full-time employee of the Adviser, has served
on the Board of Directors of the Issuer (the &ldquo;Board&rdquo;) since March 12, 2021. Dr Biggar holds 9,146 Stock Options with an exercise
price of $3.17 per share and an expiration date of May 31, 2032. The abovementioned Stock Options held by Julian C. Baker are vested or
will vest within 60 days hereof. Dr. Biggar serves on the Board as a representative of the Funds. The policy of the Funds and the Adviser
does not permit full-time employees of the Adviser to receive compensation for serving as a director of the Issuer, and the Funds are
instead entitled to the pecuniary interest in any compensation received for his service.</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 Adviser GP, Felix J. Baker and Julian C. Baker as managing members
of the Adviser GP, and the Adviser may be deemed to be beneficial owners of securities of the Issuer directly held by the Funds.</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">(c) The information set forth in Items 3 and 4 is hereby incorporated
by reference into this Item 5(c). Except as disclosed herein, none of the Reporting Persons or their affiliates has effected any other
transactions in securities of the Issuer during the past 60 days.</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">(d) Certain securities of the Issuer are held directly by 667, a limited
partnership the sole general partner of which is Baker Biotech Capital, L.P., a limited partnership the sole general partner of which
is Baker Biotech Capital (GP), LLC. Julian C. Baker and Felix J. Baker are the controlling members of Baker Biotech Capital (GP), LLC.</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">Certain securities of the Issuer are held directly by Life Sciences,
a limited partnership the sole general partner of which is Baker Brothers Life Sciences Capital, L.P., a limited partnership the sole
general partner of which is Baker Brothers Life Sciences Capital (GP), LLC. Julian C. Baker and Felix J. Baker are the controlling members
of Baker Brothers Life Sciences Capital (GP), LLC.</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">(e) Not applicable.</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-top: 0pt; margin-bottom: 0pt"> <B>Item 6.</B> <B> Contracts,
Arrangements, Understandings or Relationships with Respect to the 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">The disclosure in Item 4 regarding the Prefunded Warrants is incorporated
herein by reference.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The foregoing description of the Prefunded Warrants does not purport
to be complete and is qualified in its entirety by reference to the full text of the form of the Prefunded Warrants, which is incorporated
by reference as Exhibit 99.1 hereto and is incorporated herein by reference.</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-top: 0pt; margin-bottom: 0pt"> <B>Item 7.</B> <B>Materials to be Filed as Exhibits.</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">Exhibit Description</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">99.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Form of Prefunded Warrant
(incorporated by reference to <A HREF="http://www.sec.gov/Archives/edgar/data/1783328/000119312523157307/d476076d8k.htm" STYLE="-sec-extract: exhibit">Exhibit 4.1 to the Issuer&rsquo;s Current Report on Form 8-K, filed with the SEC on May 31, 2023</A>).</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 0pt 2.25pt; text-align: center"><B>SIGNATURE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2.25pt; text-align: center">&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">June 2, 2023</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></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><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 10pt"><B>BAKER BROS. ADVISORS
                    LP</B></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 10pt">By: Baker Bros. Advisors (GP) LLC,
    its general partner</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 3%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 47%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid"><FONT STYLE="font-size: 10pt">/s/ Scott L. Lessing</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">Name: Scott L. Lessing<BR>
    Title: President</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-indent: 0in">&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>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>BAKER BROS.
    ADVISORS (GP) LLC</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 3%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 47%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    Scott L. Lessing</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name: Scott L. Lessing<BR>
    Title: President</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Julian C. Baker</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Julian C. Baker</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Felix J. Baker</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Felix J. Baker</FONT></TD></TR>
  </TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>



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