<SEC-DOCUMENT>0000947871-22-000741.txt : 20220705
<SEC-HEADER>0000947871-22-000741.hdr.sgml : 20220705
<ACCEPTANCE-DATETIME>20220705163035
ACCESSION NUMBER:		0000947871-22-000741
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20220705
DATE AS OF CHANGE:		20220705
GROUP MEMBERS:		ORBIMED ADVISORS ISRAEL II LTD
GROUP MEMBERS:		ORBIMED CAPITAL GP VI LLC
GROUP MEMBERS:		ORBIMED ISRAEL GP II, L.P.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			89bio, Inc.
		CENTRAL INDEX KEY:			0001785173
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				831114349
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91200
		FILM NUMBER:		221065370

	BUSINESS ADDRESS:	
		STREET 1:		142 SANSOME STREET
		STREET 2:		SECOND FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		(415) 432-9270

	MAIL ADDRESS:	
		STREET 1:		142 SANSOME STREET
		STREET 2:		SECOND FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ORBIMED ADVISORS LLC
		CENTRAL INDEX KEY:			0001055951
		IRS NUMBER:				133976876
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		601 LEXINGTON AVENUE
		STREET 2:		54TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		(212) 739-6400

	MAIL ADDRESS:	
		STREET 1:		601 LEXINGTON AVENUE
		STREET 2:		54TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>ss1139058_sc13da.htm
<DESCRIPTION>AMENDMENT NO. 3
<TEXT>
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<!-- Field: Rule-Page --><DIV STYLE="margin-top: 12pt; margin-bottom: 3pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

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

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

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

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 16pt Times New Roman, Times, Serif; margin: 0 9.35pt 0 0; text-align: center"><B>SCHEDULE 13D</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 9.35pt 0 0; text-align: center"><B>Under the Securities Exchange Act of
1934<BR>
(Amendment No. 3)*</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; padding: 2.25pt; font: 12pt Times New Roman, Times, Serif; text-align: center"><FONT STYLE="font-size: 16pt"><B>89bio, Inc.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-top: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Name of Issuer)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 1in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>COMMON STOCK</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Title of Class of Securities)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>282559103</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(CUSIP Number)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 1in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>OrbiMed Advisors LLC</B></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>OrbiMed Advisors Israel II Limited</B></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>OrbiMed Israel&nbsp;GP II, L.P.</B></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>OrbiMed Capital GP VI LLC</B></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>601 Lexington Avenue, 54th Floor</B></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>New York, NY 10022</B></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Telephone: (212) 739-6400</B></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 1in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Name, Address and Telephone Number of Person Authorized
    to<BR>
    Receive Notices and Communications)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 1in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>July 5, 2022</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 10pt">(Date of Event which Requires Filing of this Statement)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">If the filing person has previously filed a statement on Schedule 13G to
report the acquisition that is the subject of this Schedule&nbsp;13D, and is filing this schedule because of &sect;&sect;240.13d-1(e),
240.13d-1(f) or 240.13d-1(g), check the following box.&nbsp; &#9744;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Note:</B>&nbsp; Schedules filed in paper format shall include a signed
original and five copies of the schedule, including all exhibits.&nbsp; See &sect;240.13d-7(b) for other parties to whom copies are to
be sent.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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    <TD STYLE="width: 18px; font: 12pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">*</FONT></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">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.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">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 (&#8220;Act&#8221;) 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: 0">&nbsp;</P>

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

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

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

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

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

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  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 30%; border: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 6pt"><FONT STYLE="font-size: 10pt"><B>CUSIP No.&nbsp;&nbsp;282559103</B></FONT></TD>
    <TD STYLE="width: 40%; padding: 6pt 6pt 1.5pt; font: 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 30%; padding: 6pt; font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="border-top: Black 1pt solid; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">1</FONT></TD>
    <TD COLSPAN="4" STYLE="border-top: Black 1pt solid; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Names of Reporting Persons.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">OrbiMed Advisors LLC</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">2</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Check the Appropriate Box if a Member of a Group (See Instructions).</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">(a) <FONT STYLE="font-family: Wingdings">o</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">(b) <FONT STYLE="font-family: Wingdings">o</FONT></P></TD>
    <TD STYLE="white-space: nowrap; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">3</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SEC Use Only&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.25in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">4</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Source of Funds (See Instructions)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">AF</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">5</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Check if Disclosure of Legal Proceedings Is Required Pursuant to Items&nbsp;2(d)
    or 2(e)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt">o</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">6</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Citizenship or Place of Organization&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Delaware</P></TD></TR>
  <TR>
    <TD COLSPAN="2" ROWSPAN="4" STYLE="border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">NUMBER OF</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">SHARES</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">BENEFICIALLY</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">OWNED BY</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">EACH</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">REPORTING</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">PERSON</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">WITH</P></TD>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">7</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Sole Voting Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">0</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">8</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Shared Voting Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1,829,433</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">9</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Sole Dispositive Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">0</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">10</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Shared Dispositive Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1,829,433</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">11</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Aggregate Amount Beneficially Owned by Each Reporting Person&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1,829,433</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">12</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
    Instructions)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 1.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt">o</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">13</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Percent of Class Represented by Amount in Row (11)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">4.7%*</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">14</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Type of Reporting Person (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">IA</P></TD></TR>
  <TR>
    <TD STYLE="width: 9%">&nbsp;</TD>
    <TD STYLE="width: 12%">&nbsp;</TD>
    <TD STYLE="width: 9%">&nbsp;</TD>
    <TD STYLE="width: 63%">&nbsp;</TD>
    <TD STYLE="width: 7%">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0">* This percentage is calculated based upon 39,026,850 shares of common stock
outstanding of 89bio, Inc. (the &#8220;<U>Issuer</U>&#8221;), as set forth in the Issuer&#8217;s Rule 424(b)(5) Prospectus filed with
the Securities and Exchange Commission (&#8220;<U>SEC</U>&#8221;) on June 30, 2022.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"></P>

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

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="4" STYLE="border: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 6pt"><FONT STYLE="font-size: 10pt"><B>CUSIP No. 282559103</B></FONT></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif; padding: 6pt 6pt 1.5pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="font: 12pt Times New Roman, Times, Serif; padding: 6pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt">&nbsp;</TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">1</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Names of Reporting Persons.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">OrbiMed Advisors Israel II Limited</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">2</FONT></TD>
    <TD COLSPAN="5" STYLE="border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Check the Appropriate Box if a Member of a Group (See Instructions).</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">(a) <FONT STYLE="font-family: Wingdings">o</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">(b) <FONT STYLE="font-family: Wingdings">o</FONT></P></TD>
    <TD STYLE="white-space: nowrap; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">3</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt"><FONT STYLE="font-size: 10pt">SEC Use Only&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">4</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Source of Funds (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">AF</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">5</FONT></TD>
    <TD COLSPAN="5" STYLE="border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Check if Disclosure of Legal Proceedings Is Required Pursuant to Items
    2(d) or 2(e)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt">o</FONT></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">6</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Citizenship or Place of Organization&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Cayman Islands</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD COLSPAN="2" ROWSPAN="4" STYLE="border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">NUMBER OF</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">SHARES</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">BENEFICIALLY</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">OWNED BY</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">EACH</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">REPORTING</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">PERSON</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">WITH</P></TD>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">7</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Sole Voting Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">0</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">8</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Shared Voting Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1,829,436</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">9</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Sole Dispositive Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">0</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">10</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Shared Dispositive Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1,829,436</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">11</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Aggregate Amount Beneficially Owned by Each Reporting Person&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1,829,436</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">12</FONT></TD>
    <TD COLSPAN="5" STYLE="border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
    Instructions)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt">o</FONT></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">13</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Percent of Class Represented by Amount in Row (11)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">4.7%*</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">14</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Type of Reporting Person (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">OO</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="width: 7%">&nbsp;</TD>
    <TD STYLE="width: 12%">&nbsp;</TD>
    <TD STYLE="width: 7%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 48%">&nbsp;</TD>
    <TD STYLE="width: 19%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0">* This percentage is calculated based upon 39,026,850 shares of common stock
outstanding of 89bio, Inc. (the &#8220;<U>Issuer</U>&#8221;), as set forth in the Issuer&#8217;s Rule 424(b)(5) Prospectus filed with
the Securities and Exchange Commission (&#8220;<U>SEC</U>&#8221;) on June 30, 2022.</P>

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

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="4" STYLE="border: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 6pt"><FONT STYLE="font-size: 10pt"><B>CUSIP No. 282559103</B></FONT></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif; padding: 6pt 6pt 1.5pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="font: 12pt Times New Roman, Times, Serif; padding: 6pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt">&nbsp;</TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">1</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Names of Reporting Persons.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">OrbiMed Israel GP II, L.P.</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">2</FONT></TD>
    <TD COLSPAN="5" STYLE="border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Check the Appropriate Box if a Member of a Group (See Instructions).</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">(a) <FONT STYLE="font-family: Wingdings">o</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">(b) <FONT STYLE="font-family: Wingdings">o</FONT></P></TD>
    <TD STYLE="white-space: nowrap; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">3</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt"><FONT STYLE="font-size: 10pt">SEC Use Only&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">4</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Source of Funds (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">AF</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">5</FONT></TD>
    <TD COLSPAN="5" STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt"><FONT STYLE="font-size: 10pt">Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt">o</FONT></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">6</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Citizenship or Place of Organization&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Cayman Islands</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD COLSPAN="2" ROWSPAN="4" STYLE="border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">NUMBER OF</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">SHARES</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">BENEFICIALLY</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">OWNED BY</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">EACH</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">REPORTING</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">PERSON</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">WITH</P></TD>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">7</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Sole Voting Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">0</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">8</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Shared Voting Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1,829,436</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">9</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Sole Dispositive Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">0</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">10</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Shared Dispositive Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1,829,436</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">11</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Aggregate Amount Beneficially Owned by Each Reporting Person&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1,829,436</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">12</FONT></TD>
    <TD COLSPAN="5" STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt"><FONT STYLE="font-size: 10pt">Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt">o</FONT></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">13</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Percent of Class Represented by Amount in Row (11)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">4.7%*</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">14</FONT></TD>
    <TD COLSPAN="6" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Type of Reporting Person (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">OO</P></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="width: 7%">&nbsp;</TD>
    <TD STYLE="width: 12%">&nbsp;</TD>
    <TD STYLE="width: 7%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 48%">&nbsp;</TD>
    <TD STYLE="width: 19%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0">* This percentage is calculated based upon 39,026,850 shares of common stock
outstanding of 89bio, Inc. (the &#8220;<U>Issuer</U>&#8221;), as set forth in the Issuer&#8217;s Rule 424(b)(5) Prospectus filed with
the Securities and Exchange Commission (&#8220;<U>SEC</U>&#8221;) on June 30, 2022.</P>

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

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 30%; border: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 6pt"><FONT STYLE="font-size: 10pt"><B>CUSIP No. 282559103</B></FONT></TD>
    <TD STYLE="width: 40%; padding: 6pt 6pt 1.5pt; font: 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 30%; padding: 6pt; font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="border-top: Black 1pt solid; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">1</FONT></TD>
    <TD COLSPAN="4" STYLE="border-top: Black 1pt solid; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Names of Reporting Persons.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">OrbiMed Capital GP VI LLC</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">2</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Check the Appropriate Box if a Member of a Group (See Instructions).</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">(a) <FONT STYLE="font-family: Wingdings">o</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">(b) <FONT STYLE="font-family: Wingdings">o</FONT></P></TD>
    <TD STYLE="white-space: nowrap; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">3</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt"><FONT STYLE="font-size: 10pt">SEC Use Only&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">4</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Source of Funds (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">AF</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">5</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt"><FONT STYLE="font-size: 10pt">Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt">o</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">6</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Citizenship or Place of Organization&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Delaware</P></TD></TR>
  <TR>
    <TD COLSPAN="2" ROWSPAN="4" STYLE="border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">NUMBER OF</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">SHARES</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">BENEFICIALLY</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">OWNED BY</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">EACH</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">REPORTING</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">PERSON</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">WITH</P></TD>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">7</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Sole Voting Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">0</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">8</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Shared Voting Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1,829,433</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">9</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Sole Dispositive Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">0</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">10</FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Shared Dispositive Power&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1,829,433</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">11</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Aggregate Amount Beneficially Owned by Each Reporting Person&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1,829,433</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">12</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt"><FONT STYLE="font-size: 10pt">Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt">o</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">13</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Percent of Class Represented by Amount in Row (11)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">4.7%*</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 2.25pt; text-align: center"><FONT STYLE="font-size: 14pt">14</FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; padding: 2.25pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Type of Reporting Person (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">OO</P></TD></TR>
  <TR>
    <TD STYLE="width: 9%">&nbsp;</TD>
    <TD STYLE="width: 12%">&nbsp;</TD>
    <TD STYLE="width: 9%">&nbsp;</TD>
    <TD STYLE="width: 63%">&nbsp;</TD>
    <TD STYLE="width: 7%">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0">* This percentage is calculated based upon 39,026,850 shares of common stock
outstanding of 89bio, Inc. (the &#8220;<U>Issuer</U>&#8221;), as set forth in the Issuer&#8217;s Rule 424(b)(5) Prospectus filed with
the Securities and Exchange Commission (&#8220;<U>SEC</U>&#8221;) on June 30, 2022.</P>

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

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

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

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">This Amendment No. 3 (&#8220;<U>Amendment
No. 3</U>&#8221;) to Schedule 13D supplements and amends the Statement on Schedule 13D of OrbiMed Advisors LLC, OrbiMed Advisors Israel
II Limited, OrbiMed Israel GP II, L.P., and OrbiMed Capital GP VI LLC (the &#8220;<U>Statement</U>&#8221;) originally filed with the
Securities and Exchange Commission (the &#8220;<U>SEC</U>&#8221;) on November 25, 2019 as amended by Amendment No. 1 filed with the SEC
on July 13, 2020, and Amendment No. 2 (&#8220;<U>Amendment No. 2</U>&#8221;) filed with the SEC on September 23, 2020. This Statement
relates to the common stock, <FONT STYLE="background-color: white">par value $0.001 per share</FONT> (the &#8220;<U>Shares</U>&#8221;)
of 89bio, Inc., a corporation organized under the laws of Delaware (the &#8220;<U>Issuer</U>&#8221;), with its principal executive offices
located at 142 Sansome Street, Second Floor, San Francisco, California 94104.&nbsp; The Shares are listed on the NASDAQ Global Market
under the ticker symbol &#8220;ETNB&#8221;. Information given in response to each item shall be deemed incorporated by reference in all
other items, as applicable.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">On July 1, 2022, the Issuer completed
an underwritten public offering of 18,675,466 Shares at an offering price of $3.55 per Share (the &#8220;<U>Offering</U>&#8221;). None
of the Reporting Persons purchased Shares in the Offering. As a result of the Offering, the percentage of outstanding Shares that the
Reporting Persons may be deemed to beneficially own was reduced by more than one percent of the Issuer&#8217;s Shares outstanding since
the filing of Amendment No. 2.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(a) This Schedule 13D is being
filed by OrbiMed Advisors LLC (&#8220;<U>OrbiMed Advisors</U>&#8221;), OrbiMed Advisors Israel II Limited (&#8220;<U>OrbiMed Limited</U>&#8221;),
OrbiMed Israel GP II, L.P. (&#8220;<U>OrbiMed Israel</U>&#8221;), and OrbiMed Capital GP VI LLC (&#8220;<U>GP VI</U>&#8221;) (collectively,
the &#8220;<U>Reporting Persons</U>&#8221;).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;(b) &#8212; (c), (f) OrbiMed
Advisors, a limited liability company organized under the laws of Delaware and a registered investment adviser under the Investment Advisers
Act of 1940, as amended, is the managing member or general partner of certain entities as more particularly described in Item 6 below.&nbsp;
OrbiMed Advisors has its principal offices at 601 Lexington Avenue, 54th Floor, New York, New York 10022.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">OrbiMed Limited, a corporation
organized under the laws of the Cayman Islands, is the general partner of a limited partnership as more particularly described in Item
6 below.&nbsp; OrbiMed Limited has its principal offices at 1 Shankar St., Herzliya 4672501 Israel.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">OrbiMed Israel, a limited partnership
organized under the laws of the Cayman Islands, is the general partner of a limited partnership as more particularly described in Item
6 below.&nbsp; OrbiMed Israel has its principal offices at 1 Shankar St., Herzliya 4672501 Israel.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">GP VI, a limited liability company
organized under the laws of Delaware, is the general partner of a limited partnership as more particularly described in Item 6 below.&nbsp;
GP VI has its principal offices at 601 Lexington Avenue, 54th Floor, New York, New York 10022.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The directors and executive officers
of OrbiMed Advisors, OrbiMed Limited, OrbiMed Israel and GP VI are set forth on Schedules I, II, III and IV, respectively, attached hereto.&nbsp;
Schedules I, II, III, and IV set forth the following information with respect to each such person:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;name;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;business
address;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;present
principal occupation of employment and the name, principal business and address of any corporation or other organization in which such
employment is conducted; and</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(iv)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;citizenship.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(d) &#8212; (e) During the last
five years, neither the Reporting Persons nor any Person named in Schedules I through IV has been (i) convicted in a criminal proceeding
(excluding traffic violations or similar misdemeanors) or (ii) a party to a civil proceeding of a judicial or administrative body of competent
jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of,
or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 3.&nbsp; Source and Amount of Funds or Other Consideration</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Not applicable.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 4.&nbsp; Purpose of Transaction</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The Shares acquired by the Reporting
Persons were acquired for the purpose of making an investment in the Issuer and not with the intention of acquiring control of the Issuer&#8217;s
business on behalf of the Reporting Persons&#8217; respective advisory clients.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The Reporting Persons from time
to time intend to review their investment in the Issuer on the basis of various factors, including the Issuer&#8217;s business, financial
condition, results of operations and prospects, general economic and industry conditions, the securities markets in general and those
for the Issuer&#8217;s Shares in particular, as well as other developments and other investment opportunities.&nbsp; Based upon such review,
the Reporting Persons will take such actions in the future as the Reporting Persons may deem appropriate in light of the circumstances
existing from time to time.&nbsp; If the Reporting Persons believe that further investment in the Issuer is attractive, whether because
of the market price of Shares or otherwise, they may acquire Shares or other securities of the Issuer either in the open market or in
privately negotiated transactions.&nbsp; Similarly, depending on market and other factors, the Reporting Persons may determine to dispose
of some or all of the Shares currently owned by the Reporting Persons or otherwise acquired by the Reporting Persons either in the open
market or in privately negotiated transactions.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Except as set forth in this Statement,
the Reporting Persons have not formulated any plans or proposals which relate to or would result in:&nbsp; (a) the acquisition by any
person of additional securities of the Issuer or the disposition of securities of the Issuer, (b) an extraordinary corporate transaction,
such as a merger, reorganization or liquidation, involving the Issuer or any of its subsidiaries, (c) a sale or transfer of a material
amount of the assets of the Issuer or any of its subsidiaries, (d) any change in the present Board of Directors or management of the Issuer,
including any plans or proposals to change the number or term of directors or to fill any existing vacancies on the board, (e) any material
change in the Issuer&#8217;s capitalization or dividend policy of the Issuer, (f) any other material change in the Issuer&#8217;s business
or corporate structure, (g) any change in the Issuer&#8217;s charter or bylaws or other instrument corresponding thereto or other action
which may impede the acquisition of control of the Issuer by any person, (h) causing a class of the Issuer&#8217;s securities to be deregistered
or delisted from a national securities exchange or to cease to be authorized to be quoted in an inter-dealer quotation system of a registered
national securities association, (i) a class of equity securities of the Issuer becoming eligible for termination of registration pursuant
to Section 12(g)(4) of the Act or (j) any action similar to any of those enumerated above.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 5.&nbsp; Interest in Securities of the Issuer</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;(a) &#8212; (b) The following
disclosure is based upon 39,026,850 outstanding Shares of the Issuer, as set forth in the Issuer&#8217;s Rule 424(b)(5) Prospectus filed
with the Securities and Exchange Commission on June 30, 2022.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">As of the date of this filing,
OrbiMed Israel Partners II, L.P. (&#8220;<U>OIP II</U>&#8221;), a limited partnership organized under the laws of the Cayman Islands,
holds 1,829,436 Shares constituting approximately 4.7% of the issued and outstanding Shares.&nbsp; OrbiMed Israel is the general partner
of OIP II pursuant to the terms of the limited partnership agreement of OIP II, and OrbiMed Limited is the general partner of OrbiMed
Israel pursuant to the terms of the limited partnership agreement of OrbiMed Israel.&nbsp; As a result, OrbiMed Israel and OrbiMed Limited
share the power to direct the vote and disposition of the Shares held by OIP II, and both OrbiMed Israel and OrbiMed Limited may be deemed
directly or indirectly, including by reason of their mutual affiliation, to be the beneficial owners of the Shares held by OIP II.&nbsp;
OrbiMed Limited exercises this investment power through an investment committee comprised of Carl L. Gordon, David P. Bonita, Anat Naschitz,
and Erez Chimovits, each of whom disclaims beneficial ownership of the Shares held by OIP II.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">As of the date of this filing,
OrbiMed Private Investments VI, LP (&#8220;<U>OPI VI</U>&#8221;), a limited partnership organized under the laws of Delaware, holds 1,829,433
Shares constituting approximately 4.7% of the issued and outstanding Shares.&nbsp; GP VI is the general partner of OPI VI, pursuant to
the terms of the limited partnership agreement of OPI VI, and OrbiMed Advisors is the managing member of GP VI, pursuant to the terms
of the limited liability company agreement of GP VI.&nbsp; As a result, OrbiMed Advisors and GP VI share power to direct the vote and
disposition of the Shares held by OPI VI and may be deemed directly or indirectly, including by reason of their mutual affiliation, to
be the beneficial owners of the Shares held by OPI VI.&nbsp; Each of OrbiMed Advisors and GP VI disclaims any beneficial ownership over
the shares of the other Reporting Persons.&nbsp; OrbiMed Advisors exercises this investment and voting power through a management committee
comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the Shares held by OPI
VI.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(c) The Reporting Persons have
not effected any transactions during the past sixty (60) days in any Shares.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(d) Not applicable.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(e) Not applicable.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 6.&nbsp; Contracts, Arrangements, Understandings or Relationships
with Respect to Securities of the Issuer</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">In addition to the relationships
between the Reporting Persons described in Items 2 and 5 above, GP VI is the general partner of OPI VI, pursuant to the terms of the limited
partnership agreement of OPI VI.&nbsp; Pursuant to this agreement and relationship, GP VI has discretionary investment management authority
with respect to the assets of OPI VI. Such authority includes the power to vote and otherwise dispose of securities held by OPI VI.&nbsp;
The number of outstanding Shares of the Issuer attributable to OPI VI is 1,829,433. GP VI, pursuant to its authority under the limited
partnership agreement of OPI VI, may be considered to hold indirectly 1,829,433&nbsp;Shares.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">OrbiMed Advisors is the managing
member of GP VI, pursuant to the terms of the limited liability company agreement of GP VI. Pursuant to these agreements and relationships,
OrbiMed Advisors and GP VI have discretionary investment management authority with respect to the assets of OPI VI.&nbsp; Such authority
includes the power of GP VI to vote and otherwise dispose of securities held by OPI VI.&nbsp; The number of outstanding Shares attributable
to OPI VI is 1,829,433 Shares.&nbsp; OrbiMed Advisors, pursuant to its authority under the terms of the limited liability company agreement
of GP VI, may also be considered to hold indirectly 1,829,433 Shares.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">OrbiMed Israel is the general
partner of OIP II pursuant to the terms of the limited partnership agreement of OIP II. OrbiMed Limited is the general partner of OrbiMed
Israel pursuant to the terms of the limited partnership agreement of OrbiMed Israel.&nbsp; Pursuant to these agreements and relationships,
OrbiMed Israel has discretionary investment management authority with respect to the assets of OIP II and such discretionary investment
management authority is exercised through OrbiMed Limited by action of the committee. Such authority includes the power to vote and otherwise
dispose of securities held by OIP II. The number of outstanding Shares of the Issuer attributable to OIP II is 1,829,436.&nbsp; OrbiMed
Israel, as the general partner of OIP II, may be considered to hold indirectly 1,829,436 Shares, and OrbiMed Limited, as the general partner
of OrbiMed Israel, may be considered to hold indirectly 1,829,436 Shares.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; background-color: white"><B><I>Investors Rights Agreement</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 10pt 0 0; text-align: justify; text-indent: 0.5in">In addition, OPI VI and
certain other stockholders of the Issuer entered into an amended and restated investors&#8217; rights agreement with the Issuer a summary
of which is set forth at Item 6 of the Statement.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 10pt 0 0; text-align: justify; text-indent: 20pt">Other than as described
in this Amendment No. 3, to the best of the Reporting Persons&#8217; knowledge, there are no other contracts, arrangements, understandings
or relationships (legal or otherwise) among the persons named in Item 2 and between such persons and any person with respect to any securities
of the Issuer.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 10pt 0 0; text-align: justify; text-indent: 20pt"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 10pt 0 0; text-align: justify; text-indent: 20pt"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 7.&nbsp; Material to Be Filed as Exhibits</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 12%; border-top: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 4.5pt"><FONT STYLE="font-size: 10pt"><B>Exhibit</B></FONT></TD>
    <TD STYLE="width: 88%; border: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 4.5pt"><FONT STYLE="font-size: 10pt"><B>Description</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 4.5pt"><FONT STYLE="font-size: 10pt">1.</FONT></TD>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 4.5pt"><FONT STYLE="font-size: 10pt">Joint Filing Agreement among OrbiMed Advisors LLC, OrbiMed Advisors Israel II Limited, OrbiMed Israel GP II, L.P., and OrbiMed Capital GP VI LLC.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 4.5pt"><FONT STYLE="font-size: 10pt">2.</FONT></TD>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; font: 12pt Times New Roman, Times, Serif; padding: 4.5pt"><FONT STYLE="font-size: 10pt">Investors&#8217; Rights Agreement by and among the Issuer and each of the persons listed on the signature page thereto, dated as of September 17, 2019 (incorporated by reference to Exhibit 4.2 to the Issuer&#8217;s Registration Statement on Form S-1 (SEC 333-234174)).</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B></B></P>

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">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: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">Dated: July 5, 2022</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">ORBIMED ADVISORS LLC</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 52%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 33%">&nbsp;</TD>
    <TD STYLE="width: 10%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-size: 10pt">/s/ Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Name: Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Title: Member </FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">ORBIMED ADVISORS ISRAEL II LIMITED</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-size: 10pt">/s/ Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Name: Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Title: Director</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">ORBIMED ISRAEL GP II, L.P.</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">ORBIMED ADVISORS ISRAEL II LIMITED, its general partner</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-size: 10pt">/s/ Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Name: Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Title: Director of OrbiMed Advisors Israel II Limited</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">ORBIMED CAPITAL GP VI LLC</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">ORBIMED ADVISORS LLC, its managing member</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-size: 10pt">/s/ Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Member of OrbiMed Advisors LLC</FONT></TD>
    <TD>&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

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

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

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

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

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

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

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

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in"><FONT STYLE="font-size: 10pt">The
names and present principal occupations of each of the executive officers and directors of OrbiMed Advisors LLC are set forth below. Unless
otherwise noted, each of these persons is a United States citizen and has a business address of 601 Lexington Avenue, 54</FONT><FONT STYLE="font-size: 8pt">th</FONT>
<FONT STYLE="font-size: 10pt">Floor, New York, NY 10022.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 34%; padding-right: 0.25in; text-align: center"><FONT STYLE="font-size: 10pt"><U>Name</U></FONT></TD>
    <TD STYLE="width: 33%; padding-right: 0.25in; text-align: center"><FONT STYLE="font-size: 10pt"><U>Position with Reporting Person</U></FONT></TD>
    <TD STYLE="width: 33%; padding-right: 0.25in; text-align: center"><FONT STYLE="font-size: 10pt"><U>Principal Occupation</U></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Carl L. Gordon</FONT></TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Member</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Member</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">OrbiMed Advisors LLC</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Sven H. Borho</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">German and Swedish Citizen</P></TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Member</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Member</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">OrbiMed Advisors LLC</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">W. Carter Neild</FONT></TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Member</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Member</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">OrbiMed Advisors LLC</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Geoffrey C. Hsu</FONT></TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Member</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Member</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">OrbiMed Advisors LLC</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">C. Scotland Stevens</FONT></TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Member</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Member</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">ObiMed Advisors LLC</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">&nbsp;</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">David P. Bonita</FONT></TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Member</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Member</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">OrbiMed Advisors LLC</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Peter A. Thompson</FONT></TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Member</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Member</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">OrbiMed Advisors LLC</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Matthew S. Rizzo</FONT></TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Member</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Member</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">OrbiMed Advisors LLC</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in; text-align: justify"><FONT STYLE="font-size: 10pt">Trey Block</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Chief Financial Officer</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Chief Financial Officer</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">OrbiMed Advisors LLC</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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

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

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

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

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

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

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">The names and
present principal occupations of each of the executive officers and directors of OrbiMed Advisors Israel II Limited are set forth below.
Unless otherwise noted, each of these persons is a United States citizen and has a business address of 1 Shankar St., Herzliya 4672501
Israel.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 33%; padding-right: 0.25in; text-align: center"><FONT STYLE="font-size: 10pt"><U>Name</U></FONT></TD>
    <TD STYLE="width: 35%; padding-right: 0.25in; text-align: center"><FONT STYLE="font-size: 10pt"><U>Position with Reporting Person</U></FONT></TD>
    <TD STYLE="width: 32%; padding-right: 0.25in; text-align: center"><FONT STYLE="font-size: 10pt"><U>Principal Occupation</U></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="padding-right: 0.25in"><FONT STYLE="font-size: 10pt">Carl L. Gordon</FONT></TD>
    <TD STYLE="padding-right: 0.25in"><FONT STYLE="font-size: 10pt">Director</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Director</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0">OrbiMed Advisors Israel II Limited</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in"><FONT STYLE="font-size: 10pt">David P. Bonita</FONT></TD>
    <TD STYLE="padding-right: 0.25in"><FONT STYLE="font-size: 10pt">Director</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Director</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0">OrbiMed Advisors Israel II Limited</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in">&nbsp;</TD>
    <TD STYLE="padding-right: 0.25in">&nbsp;</TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0">Anat Naschitz</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0">Israeli Citizen</P></TD>
    <TD STYLE="padding-right: 0.25in"><FONT STYLE="font-size: 10pt">Director</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Venture Partner</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0">OrbiMed Advisors Israel II Limited</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.25in">&nbsp;</TD>
    <TD STYLE="padding-right: 0.25in">&nbsp;</TD>
    <TD STYLE="padding-right: 0.25in; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0">Erez Chimovits</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0">Israeli Citizen</P></TD>
    <TD STYLE="padding-right: 0.25in"><FONT STYLE="font-size: 10pt">Director</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: justify">Director</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0">OrbiMed Advisors Israel II Limited</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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

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

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

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

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

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

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

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 10pt 0"></P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">The business
and operations of OrbiMed Israel&nbsp;GP II, L.P. are managed by the executive officers and directors of its general partner, OrbiMed
Advisors Israel II Limited, set forth on Schedule II attached hereto.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">The business
and operations of OrbiMed Capital GP VI LLC are managed by the executive officers and directors of its managing member, OrbiMed Advisors
LLC, set forth in Schedule I attached hereto.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0.05in; text-align: justify; text-indent: 0.45in">&nbsp;</P>

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

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
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    <TD STYLE="width: 12%; border-top: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; padding: 4.5pt"><FONT STYLE="font-size: 10pt"><B>Exhibit</B></FONT></TD>
    <TD STYLE="width: 88%; border: black 1.5pt solid; padding: 4.5pt"><FONT STYLE="font-size: 10pt"><B>Description</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; padding: 4.5pt"><FONT STYLE="font-size: 10pt">1.</FONT></TD>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; padding: 4.5pt"><FONT STYLE="font-size: 10pt">Joint Filing Agreement among OrbiMed Advisors LLC, OrbiMed Advisors Israel II Limited, OrbiMed Israel GP II, L.P., and OrbiMed Capital GP VI LLC.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; padding: 4.5pt"><FONT STYLE="font-size: 10pt">2.</FONT></TD>
    <TD STYLE="border-right: black 1.5pt solid; border-bottom: black 1.5pt solid; border-left: black 1.5pt solid; padding: 4.5pt"><FONT STYLE="font-size: 10pt">Investors&#8217; Rights Agreement by and among the Issuer and each of the persons listed on the signature page thereto, dated as of September 17, 2019 (incorporated by reference to Exhibit 4.2 to the Issuer&#8217;s Registration Statement on Form S-1 (SEC 333-234174)).</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ss1139058_ex9901.htm
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

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

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

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: right"><B><U>Exhibit 1</U></B></P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;<FONT STYLE="background-color: white">The
undersigned hereby agree that the Amendment No. 3 to Schedule&nbsp;13D, dated July 5, 2022, with respect to the ordinary shares of 89bio,
Inc. is filed on behalf of each of us pursuant to and in accordance with the provisions of Rule&nbsp;13d-1(k) under the Securities Exchange
Act of 1934, as amended. Each of the undersigned agrees to be responsible for the timely filing of this Statement, and for the completeness
and accuracy of the information concerning itself contained therein. This Agreement may be executed in any number of counterparts, all
of which taken together shall constitute one and the same instrument.</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">IN WITNESS WHEREOF, the undersigned have executed this
Agreement as of the 5th day of July 2022.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">ORBIMED ADVISORS LLC</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 52%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 33%">&nbsp;</TD>
    <TD STYLE="width: 10%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-size: 10pt">&nbsp;/s/ Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Name: Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Title: Member </FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">ORBIMED ADVISORS ISRAEL II LIMITED</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-size: 10pt">&nbsp;/s/ Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Name: Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Title: Director</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">ORBIMED ISRAEL GP II, L.P.</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">ORBIMED ADVISORS ISRAEL II LIMITED, its general partner</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-size: 10pt">&nbsp;/s/ Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Name: Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Title: Director of OrbiMed Advisors Israel II Limited</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">ORBIMED CAPITAL GP VI LLC</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">ORBIMED ADVISORS LLC, its managing member</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-size: 10pt">/s/ Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;Carl L. Gordon</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Member of OrbiMed Advisors LLC</FONT></TD>
    <TD>&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 1in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>

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

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>



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