<SEC-DOCUMENT>0001104659-24-024002.txt : 20240214
<SEC-HEADER>0001104659-24-024002.hdr.sgml : 20240214
<ACCEPTANCE-DATETIME>20240214170136
ACCESSION NUMBER:		0001104659-24-024002
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20240214
DATE AS OF CHANGE:		20240214
GROUP MEMBERS:		PETER KOLCHINSKY
GROUP MEMBERS:		RA CAPITAL HEALTHCARE FUND, L.P.
GROUP MEMBERS:		RAJEEV SHAH

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACROGENICS INC
		CENTRAL INDEX KEY:			0001125345
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87928
		FILM NUMBER:		24640155

	BUSINESS ADDRESS:	
		STREET 1:		9704 MEDICAL CENTER DRIVE
		CITY:			Rockville
		STATE:			MD
		ZIP:			20850
		BUSINESS PHONE:		301-251-5172

	MAIL ADDRESS:	
		STREET 1:		9704 MEDICAL CENTER DRIVE
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RA CAPITAL MANAGEMENT, L.P.
		CENTRAL INDEX KEY:			0001346824
		ORGANIZATION NAME:           	
		IRS NUMBER:				830406777
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		200 BERKELEY STREET, 18TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-778-2500

	MAIL ADDRESS:	
		STREET 1:		200 BERKELEY STREET, 18TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RA CAPITAL MANAGEMENT, LLC
		DATE OF NAME CHANGE:	20051213
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tm246065d15_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left">&nbsp;</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>______________</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>SCHEDULE 13G/A</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">&nbsp;</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; text-align: center"><U>MACROGENICS,&nbsp;INC.</U></P>

<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; text-align: center"><U>Common Stock, $0.01 par value per share<BR>
</U> (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; text-align: center"><U>556099109</U></P>

<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; text-align: center"><U>December&nbsp;31, 2023</U></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in"><FONT STYLE="font-family: Wingdings">&#168;</FONT> Rule&nbsp;13d-1(b)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in"><FONT STYLE="font-family: Wingdings">&#120;</FONT> Rule&nbsp;13d-1(c)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in"><FONT STYLE="font-family: Wingdings">&#168;</FONT> Rule&nbsp;13d-1(d)</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-right: 0; margin-bottom: 0pt; text-align: justify">*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-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: justify">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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<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: Page; Sequence: 1 -->
    <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">CUSIP No.&nbsp;556099109</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: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>1</B></FONT></TD>
    <TD STYLE="border-top: black 1pt 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">NAMES OF REPORTING PERSONS</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)</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">RA Capital Management, L.P.</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; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right; margin: 0pt 20pt 0pt 350.1pt; text-indent: 18.15pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right; margin: 0pt 20pt 0pt 350.1pt; text-indent: 18.15pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
  <TR STYLE="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; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>3</B></FONT></TD>
    <TD STYLE="border-top: black 1pt 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">SEC USE ONLY</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; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>4</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Delaware&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="vertical-align: bottom; padding-top: 5pt; border-left: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; width: 10%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">NUMBER
    OF</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>5</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 87%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE VOTING POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>6</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED VOTING POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4,053,077</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">WITH:</FONT></P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>7</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE DISPOSITIVE POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P>
    <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; text-align: center; font-size: 10pt"></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>8</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED DISPOSITIVE POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4,053,077</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="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; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>9</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4,053,077</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 STYLE="border-bottom: black 1pt solid; border-right: 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">CHECK
                                            BOX IF THE AGGREGATE AMOUNT IN ROW (9)&nbsp;EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
  <TR STYLE="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; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>11</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PERCENT OF CLASS&nbsp;REPRESENTED BY AMOUNT IN ROW 9</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">6.5%</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; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>12</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">IA, PN</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></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">CUSIP No.&nbsp;556099109</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>
    <TD STYLE="vertical-align: top; border: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>1</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-top: black 1pt 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">NAMES OF REPORTING PERSONS</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)</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">Peter Kolchinsky</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    </TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>2</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)</P>
    <P STYLE="text-align: right; font: 10pt Times New Roman, Times, Serif; margin: 0pt 20pt 0pt 350.1pt; text-indent: 18.15pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
    <P STYLE="text-align: right; font: 10pt Times New Roman, Times, Serif; margin: 0pt 20pt 0pt 350.1pt; text-indent: 18.15pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    </TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>3</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-top: black 1pt 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">SEC USE ONLY</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    </TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>4</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">United States of America&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</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="text-align: center; vertical-align: bottom; border-left: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 10%"><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">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">NUMBER OF</P></TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>5</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 87%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE VOTING POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    </TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; 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">SHARED VOTING POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4,053,077</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">WITH:</FONT></P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; 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">SOLE DISPOSITIVE POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P>
    <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; text-align: center; font-size: 10pt"></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; 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">SHARED DISPOSITIVE POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4,053,077</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="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; text-align: center; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>9</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 97%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4,053,077</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 STYLE="border-bottom: black 1pt solid; border-right: 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">CHECK
                                            BOX IF THE AGGREGATE AMOUNT IN ROW (9)&nbsp;EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
  <TR STYLE="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; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>11</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PERCENT OF CLASS&nbsp;REPRESENTED BY AMOUNT IN ROW 9</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">6.5%</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; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>12</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">IN, HC</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></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">CUSIP No.&nbsp;556099109</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>
    <TD STYLE="vertical-align: top; border: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>1</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 97%"><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">I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)</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">Rajeev Shah</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    </TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>2</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)</P>
    <P STYLE="text-align: right; font: 10pt Times New Roman, Times, Serif; margin: 0pt 20pt 0pt 350.1pt; text-indent: 18.15pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
    <P STYLE="text-align: right; font: 10pt Times New Roman, Times, Serif; margin: 0pt 20pt 0pt 350.1pt; text-indent: 18.15pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    </TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>3</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-top: black 1pt 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">SEC USE ONLY</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    </TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>4</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">United States of America</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</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="text-align: center; vertical-align: bottom; border-left: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 10%"><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">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">NUMBER OF</P></TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>5</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 87%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE VOTING POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    </TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; 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">SHARED VOTING POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4,053,077</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON<BR>
<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">WITH:</FONT></P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; 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">SOLE DISPOSITIVE POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P>
    <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; text-align: center; font-size: 10pt"></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; 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">SHARED DISPOSITIVE POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4,053,077</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="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; text-align: center; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>9</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 97%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4,053,077</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 STYLE="border-bottom: black 1pt solid; border-right: 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">CHECK
    BOX IF THE AGGREGATE AMOUNT IN ROW (9)&nbsp;EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
  <TR STYLE="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; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>11</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PERCENT OF CLASS&nbsp;REPRESENTED BY AMOUNT IN ROW 9</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">6.5%</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; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>12</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">IN, HC</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CUSIP No.&nbsp;556099109</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>
    <TD STYLE="vertical-align: top; border: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; width: 2%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>1</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 98%"><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">I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)</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">RA Capital Healthcare Fund, L.P.</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    </TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>2</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)</P>
    <P STYLE="text-align: right; font: 10pt Times New Roman, Times, Serif; margin: 0pt 20pt 0pt 350.1pt; text-indent: 18.15pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">&#168;</FONT></P>
    <P STYLE="text-align: right; font: 10pt Times New Roman, Times, Serif; margin: 0pt 20pt 0pt 350.1pt; text-indent: 18.15pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">&#168;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    </TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>3</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-top: black 1pt 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">SEC USE ONLY</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    </TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>4</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Delaware&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</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="text-align: center; vertical-align: bottom; border-left: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 10%"><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">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">NUMBER OF</P></TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>5</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 87%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE VOTING POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    </TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; 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">SHARED VOTING POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4,053,077</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">WITH:</FONT></P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; 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">SOLE DISPOSITIVE POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">0</P>
    <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; text-align: center; font-size: 10pt"></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; 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">SHARED DISPOSITIVE POWER</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4,053,077</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="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; text-align: center; font-size: 10pt; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>9</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 97%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4,053,077</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 STYLE="border-bottom: black 1pt solid; border-right: 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">CHECK
    BOX IF THE AGGREGATE AMOUNT IN ROW (9)&nbsp;EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
  <TR STYLE="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; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>11</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PERCENT OF CLASS&nbsp;REPRESENTED BY AMOUNT IN ROW 9</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">6.5%</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; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>12</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PN</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="width: 0.75in"><B>Item&nbsp;1(a).</B></TD>
  <TD><B><U>Name of Issuer</U>:</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; text-indent: 0.75in">Macrogenics,&nbsp;Inc. (the &ldquo;Issuer&rdquo;)</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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&nbsp;1(b).</B></TD><TD><B><U>Address of Issuer&rsquo;s Principal Executive
                                            Offices</U>:</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">9704 Medical Center Drive, Rockville, Maryland 20850</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&nbsp;2(a).</B></TD><TD><B><U>Names of Persons Filing</U>:</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">The names of the persons filing this report (collectively,
the &ldquo;Reporting Persons&rdquo;) are:&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.75in">RA Capital Management, L.P. (&ldquo;RA Capital&rdquo;)&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.75in">Peter Kolchinsky&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.75in">Rajeev Shah&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.75in">RA Capital Healthcare Fund, L.P. (the &ldquo;Fund&rdquo;)</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&nbsp;2(b).</B></TD><TD><B><U>Address of Principal Business Office or, if
                                            None, Residence</U>:</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">The address of the principal business office of each of
the Reporting Persons is:</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">c/o RA Capital Management, L.P., 200 Berkeley Street, 18<SUP>th
</SUP>Floor, Boston MA 02116</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&nbsp;2(c).</B></TD><TD><B><U>Citizenship</U>:</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">RA Capital and the Fund are Delaware limited partnerships.
Dr.&nbsp;Kolchinsky and Mr.&nbsp;Shah are United States citizens.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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&nbsp;2(d).</B></TD><TD><B><U>Title of Class&nbsp;of Securities</U>:</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 1.25in; text-indent: -0.5in">Common Stock, $0.01 par value per
share (&ldquo;Common Stock&rdquo;)</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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&nbsp;2(e).</B></TD><TD><B><U>CUSIP Number</U>:</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-left: 0.75in; margin-top: 0pt; margin-bottom: 0pt"> 556099109</P>



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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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&nbsp;3.</B></TD><TD><B><U>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:</U></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">Not applicable.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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&nbsp;4.</B></TD><TD><B><U>Ownership</U>.</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">The information required by this item with respect to each
Reporting Person is set forth in Rows 5 through 9 and 11 of the cover pages&nbsp;to this Schedule 13G/A. The beneficial ownership percentages
reported are based on 62,029,447 outstanding Common Stock shares, as reported in the Issuer&rsquo;s Registration Statement on Form&nbsp;S-3
filed on November&nbsp;6, 2023, with the Securities and Exchange Commission.</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">The Fund directly holds 4,053,077 shares of Common Stock.</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 0.75in">RA Capital Healthcare Fund GP, LLC is the general partner
of the Fund. The general partner of RA Capital is RA Capital Management GP, LLC, of which Dr.&nbsp;Kolchinsky and Mr.&nbsp;Shah are the
controlling persons. RA Capital serves as investment adviser for the Fund and may be deemed a beneficial owner, for purposes of Section&nbsp;13(d)&nbsp;of
the Act, of any securities of the Issuer held by the Fund. The Fund has delegated to RA Capital the sole power to vote and the sole power
to dispose of all securities held in the Fund&rsquo;s portfolio, including the shares of the Issuer&rsquo;s Common Stock reported herein.
Because the Fund has divested voting and investment power over the reported securities it holds and may not revoke that delegation on
less than 61 days&rsquo; notice, the Fund disclaims beneficial ownership of the securities it holds for purposes of Section&nbsp;13(d)&nbsp;of
the Act. As managers of RA Capital, Dr.&nbsp;Kolchinsky and Mr.&nbsp;Shah may be deemed beneficial owners, for purposes of Section&nbsp;13(d)&nbsp;of
the Act, of any securities of the Issuer beneficially owned by RA Capital. RA Capital, Dr.&nbsp;Kolchinsky, and Mr.&nbsp;Shah disclaim
beneficial ownership of the securities reported in this Schedule 13G/A other than for the purpose of determining their obligations under
Section&nbsp;13(d)&nbsp;of the Act, and the filing of this Schedule 13G/A shall not be deemed an admission that either RA Capital, Dr.&nbsp;Kolchinsky,
or Mr.&nbsp;Shah is the beneficial owner of such securities for any other purpose.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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&nbsp;5.</B></TD><TD><B><U>Ownership of Five Percent or Less of a Class</U>.</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">If this statement is being filed to report the fact that
as of the date hereof the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities,
check the following <FONT STYLE="font-family: Wingdings">&#168;</FONT>.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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&nbsp;6.</B></TD><TD><B><U>Ownership of More than Five Percent on Behalf of
                                            Another Person</U>.</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; text-indent: 0.75in">Not applicable.</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&nbsp;7.</B></TD><TD><B><U>Identification and Classification of the Subsidiary
                                            Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person</U>.</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; text-indent: 0.75in">Not applicable.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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&nbsp;8.</B></TD><TD><B><U>Identification and Classification of Members of
                                            the Group</U>.</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">Not applicable.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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&nbsp;9.</B></TD><TD><B><U>Notice of Dissolution of Group</U>.</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; text-indent: 0.75in">Not applicable.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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&nbsp;10.</B></TD><TD><B><U>Certification</U>.</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">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.</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><U>Exhibit&nbsp;List</U></B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><A HREF="tm246065d15_ex1.htm" STYLE="-sec-extract: exhibit">Exhibit&nbsp;1: Joint Filing Agreement</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; text-align: center"><U>SIGNATURE</U></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-indent: 0.5in">After reasonable inquiry and to the best of its
knowledge and belief, each of the undersigned certifies 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>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 5%"><FONT STYLE="font-size: 10pt">Date:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 45%"><FONT STYLE="font-size: 10pt">February&nbsp;14, 2024</FONT></TD>
    <TD STYLE="width: 50%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">RA CAPITAL MANAGEMENT, L.P.</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&#8239;/s/ Peter
    Kolchinsky</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Name:&#8239;Peter Kolchinsky</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Title:&#8239;Authorized Signatory</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">PETER KOLCHINSKY</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">/s/
    Peter Kolchinsky</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">RAJEEV SHAH</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">/s/
    Rajeev Shah</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">RA CAPITAL HEALTHCARE FUND, L.P.</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">RA Capital Healthcare Fund GP, LLC</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Its:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">General Partner</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">By:&#8239;</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">/s/ Peter Kolchinsky</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Name:&#8239;Peter Kolchinsky</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Title:&#8239;Manager</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  </TABLE>


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

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

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

</BODY>
</HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>tm246065d15_ex1.htm
<DESCRIPTION>EXHIBIT 1
<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"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>EXHIBIT&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; text-align: center">AGREEMENT</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">This Joint Filing Agreement, dated as of February&nbsp;14, 2024, is
by and among RA Capital Management, L.P., Peter Kolchinsky, Rajeev Shah, and RA Capital Healthcare Fund, L.P. (the foregoing are collectively
referred to herein as the &ldquo;Filers&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">Each of the Filers may be required to file with the United States
Securities and Exchange Commission a statement on Schedule 13G and/or 13D with respect to Common Stock, $0.01 par value per share of
Macrogenics,&nbsp;Inc. beneficially owned by them from time to time.</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 and in accordance with Rule&nbsp;13(d)(1)(k)&nbsp;promulgated
under the Securities Exchange Act of 1934, as amended, the Filers hereby agree to file a single statement on Schedule 13G and/or 13D
(and any amendments thereto) on behalf of each of such parties, and hereby further agree to file this Joint Filing Agreement as an exhibit
to such statement, as required by such rule.</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">This Joint Filing Agreement may be terminated by any of the Filers
upon one week&rsquo;s prior written notice or such lesser period of notice as the Filers may mutually agree.</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">Executed and delivered as of the date first above written.</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%">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">RA CAPITAL MANAGEMENT, L.P.</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 5%">By:</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; width: 45%">/s/ Peter Kolchinsky</TD>
    <TD STYLE="width: 50%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">Name: Peter Kolchinsky</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">Title: Authorized Signatory</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">PETER KOLCHINSKY</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif">/s/ Peter Kolchinsky</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">RAJEEV SHAH</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif">/s/ Rajeev Shah</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">RA CAPITAL HEALTHCARE FUND, L.P.</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">By:</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">RA Capital Healthcare Fund GP, LLC</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">Its:</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">General Partner</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">By:</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif">/s/ Peter Kolchinsky</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">Name: Peter Kolchinsky</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">Title: Manager</TD>
    <TD>&nbsp;</TD></TR>
  </TABLE>


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

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