<SEC-DOCUMENT>0000899140-23-000401.txt : 20230214
<SEC-HEADER>0000899140-23-000401.hdr.sgml : 20230214
<ACCEPTANCE-DATETIME>20230214162259
ACCESSION NUMBER:		0000899140-23-000401
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230214
DATE AS OF CHANGE:		20230214
GROUP MEMBERS:		CUBIST SYSTEMATIC STRATEGIES, LLC
GROUP MEMBERS:		POINT72 CAPITAL ADVISORS, INC.
GROUP MEMBERS:		STEVEN A. COHEN

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIBROGEN INC
		CENTRAL INDEX KEY:			0000921299
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88653
		FILM NUMBER:		23629848

	BUSINESS ADDRESS:	
		STREET 1:		409 ILLINOIS STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94158
		BUSINESS PHONE:		415-978-1200

	MAIL ADDRESS:	
		STREET 1:		409 ILLINOIS STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94158

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Point72 Asset Management, L.P.
		CENTRAL INDEX KEY:			0001603466
		IRS NUMBER:				465064661
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		72 CUMMINGS POINT ROAD
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902
		BUSINESS PHONE:		203-890-2000

	MAIL ADDRESS:	
		STREET 1:		72 CUMMINGS POINT ROAD
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>pt7213ga.htm
<DESCRIPTION>SCHEDULE 13G/A, AMENDMENT #1
<TEXT>
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    <div style="font-size: 12pt; font-weight: bold;">240.13d-102 Schedule 13G - Information to be included in statements filed</div>
    <div style="font-size: 12pt; font-weight: bold;">pursuant to 240.13d-1(b), (c), and (d) and amendments thereto</div>
    <div style="font-size: 12pt; font-weight: bold;">filed pursuant to 240.13d-2.</div>
    <div><br>
    </div>
    <div>
      <div style="text-indent: -24pt; margin-left: 24pt; font-size: 12pt;">Securities and Exchange Commission, Washington, D.C. 20549</div>
      <div><br>
      </div>
    </div>
    <div>
      <div style="font-size: 12pt;">Schedule 13G</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">Under the Securities Exchange Act of 1934</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">(Amendment No. 1)*</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">(Name of Issuer)</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">Fibrogen, Inc.</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">(Title of Class of Securities)</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">Common Stock, par value $0.01 per share</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">(CUSIP Number)</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">31572Q808</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">(Date of Event Which Requires Filing of this Statement)</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">December 31, 2022</div>
      <div><br>
      </div>
    </div>
    <div style="font-size: 12pt;">Check the appropriate box to designate the rule pursuant to which this</div>
    <div style="font-size: 12pt;">Schedule is filed:</div>
    <div><br>
    </div>
    <div>
      <div style="text-indent: -24pt; margin-left: 24pt; font-size: 12pt;">[&#160; ] Rule 13d-1(b)</div>
      <div><br>
      </div>
      <div style="text-indent: -24pt; margin-left: 24pt; font-size: 12pt;">[ x ] Rule 13d-1(c)</div>
      <div><br>
      </div>
      <div style="text-indent: -24pt; margin-left: 24pt; font-size: 12pt;">[&#160; ] Rule 13d-1(d)</div>
      <div><br>
      </div>
    </div>
    <div>
      <div style="font-size: 12pt;">*The remainder of this cover page shall be filled out for a reporting person's<br>
        initial filing on this form with respect to the subject class of securities, and<br>
        for any subsequent amendment containing information which would alter the<br>
        disclosures provided in a prior cover page.</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">The information required in the remainder of this cover page shall not be<br>
        deemed to be &#8220;filed&#8221; for the purpose of Section 18 of the Securities Exchange<br>
        Act of 1934 (&#8220;Act&#8221;) or otherwise subject to the liabilities of that section of the<br>
        Act but shall be subject to all other provisions of the Act (however, see<br>
        the Notes).</div>
    </div>
    <div style="clear: both; margin-top: 10pt; margin-bottom: 10pt;" class="BRPFPageBreakArea">
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    </div>
    <table cellspacing="0" cellpadding="0" id="z37e8421676c54e7e82721e0f408c7f27" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; border-collapse: collapse; text-align: left; color: #000000;">

        <tr>
          <td style="width: 100%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;" colspan="2">
            <div style="text-align: center; font-size: 12pt;">CUSIP No. 31572Q808</div>
          </td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(1) Names of reporting persons&#160; &#160; Point72 Asset Management, L.P.</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(2) Check the appropriate box if a member of a group</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(a)</div>
          </td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="text-indent: 176.2pt; font-size: 12pt;">(see instructions)</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(b)X</div>
          </td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(3) SEC use only</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(4) Citizenship or place of organization Delaware</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">Number of shares beneficially owned by each reporting person with:</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(5) Sole voting power&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; 0</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(6) Shared voting power&#160; &#160; &#160; &#160; &#160; &#160; &#160; 6,281,645</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(7) Sole dispositive power&#160; &#160; &#160; &#160; &#160;&#160; 0</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(8) Shared dispositive power&#160; &#160; &#160;&#160; 6,281,645</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(9) Aggregate amount beneficially owned by each reporting person</div>
            <div style="margin-left: 21.6pt; font-size: 12pt;">6,281,645</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(10) Check if the aggregate amount in Row (9) excludes certain shares</div>
            <div style="font-size: 12pt;">(see instructions)</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(11) Percent of class represented by amount in Row (9) 6.7%</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(12) Type of reporting person (see instructions) PN</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
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    <div style="margin-bottom: 10pt;"><br>
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    <table cellspacing="0" cellpadding="0" id="z5e3e5813d60b4a86997d6d6a291d78c9" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; border-collapse: collapse; text-align: left; color: #000000;">

        <tr>
          <td style="width: 100%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;" colspan="2">
            <div style="text-align: center; font-size: 12pt;">CUSIP No. 31572Q808</div>
          </td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(1) Names of reporting persons&#160; &#160; Point72 Capital Advisors, Inc.</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(2) Check the appropriate box if a member of a group</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(a)</div>
          </td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="text-indent: 176.2pt; font-size: 12pt;">(see instructions)</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(b)X</div>
          </td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(3) SEC use only</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(4) Citizenship or place of organization Delaware</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">Number of shares beneficially owned by each reporting person with:</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(5) Sole voting power&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; 0</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(6) Shared voting power&#160; &#160; &#160; &#160; &#160; &#160; &#160; 6,281,645</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(7) Sole dispositive power&#160; &#160; &#160; &#160; &#160;&#160; 0</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(8) Shared dispositive power&#160; &#160; &#160;&#160; 6,281,645</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(9) Aggregate amount beneficially owned by each reporting person</div>
            <div style="margin-left: 21.6pt; font-size: 12pt;">6,281,645</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(10) Check if the aggregate amount in Row (9) excludes certain shares</div>
            <div style="font-size: 12pt;">(see instructions)</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(11) Percent of class represented by amount in Row (9) 6.7%</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(12) Type of reporting person (see instructions) CO</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>

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          <td style="width: 100%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;" colspan="2">
            <div style="text-align: center; font-size: 12pt;">CUSIP No. 31572Q808</div>
          </td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(1) Names of reporting persons&#160; &#160; Cubist Systematic Strategies, LLC</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(2) Check the appropriate box if a member of a group</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(a)</div>
          </td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="text-indent: 176.2pt; font-size: 12pt;">(see instructions)</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(b)X</div>
          </td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(3) SEC use only</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(4) Citizenship or place of organization Delaware</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">Number of shares beneficially owned by each reporting person with:</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(5) Sole voting power&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; 0</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(6) Shared voting power&#160; &#160; &#160; &#160; &#160; &#160; &#160; 0</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(7) Sole dispositive power&#160; &#160; &#160; &#160; &#160;&#160; 0</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(8) Shared dispositive power&#160; &#160; &#160;&#160; 0</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(9) Aggregate amount beneficially owned by each reporting person</div>
            <div style="margin-left: 21.6pt; font-size: 12pt;">0</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(10) Check if the aggregate amount in Row (9) excludes certain shares</div>
            <div style="font-size: 12pt;">(see instructions)</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(11) Percent of class represented by amount in Row (9) 0%</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(12) Type of reporting person (see instructions) OO</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>

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    <div style="margin-bottom: 10pt;"><br>
    </div>
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    </div>
    <div style="margin-bottom: 10pt;"><br>
    </div>
    <table cellspacing="0" cellpadding="0" id="zf847798cdebf4da7a406de3a52dc8d2a" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; border-collapse: collapse; text-align: left; color: #000000;">

        <tr>
          <td style="width: 100%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;" colspan="2">
            <div style="text-align: center; font-size: 12pt;">CUSIP No. 31572Q808</div>
          </td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(1) Names of reporting persons&#160; &#160; Steven A. Cohen</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(2) Check the appropriate box if a member of a group</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(a)</div>
          </td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="text-indent: 176.2pt; font-size: 12pt;">(see instructions)</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(b)X</div>
          </td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(3) SEC use only</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(4) Citizenship or place of organization United States</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">Number of shares beneficially owned by each reporting person with:</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(5) Sole voting power&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; 0</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(6) Shared voting power&#160; &#160; &#160; &#160; &#160; &#160; &#160; 6,281,645</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(7) Sole dispositive power&#160; &#160; &#160; &#160; &#160;&#160; 0</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(8) Shared dispositive power&#160; &#160; &#160;&#160; 6,281,645</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(9) Aggregate amount beneficially owned by each reporting person</div>
            <div style="margin-left: 21.6pt; font-size: 12pt;">6,281,645</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(10) Check if the aggregate amount in Row (9) excludes certain shares</div>
            <div style="font-size: 12pt;">(see instructions)</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(11) Percent of class represented by amount in Row (9) 6.7%</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 93.36%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">
            <div style="font-size: 12pt;">(12) Type of reporting person (see instructions) IN</div>
          </td>
          <td style="width: 6.64%; vertical-align: top; border-left: #000000 2px solid; border-right: #000000 2px solid; border-top: #000000 2px solid; border-bottom: #000000 2px solid;">&#160;</td>
        </tr>

    </table>
    <div><br>
    </div>
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    <div>
      <div style="font-size: 12pt;">Item 1(a) Name of issuer:</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">Fibrogen, Inc.</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">Item 1(b) Address of issuer's principal executive offices:</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">409 Illinois Street, San Francisco, CA 94158</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">2(a) Name of person filing:</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">This statement is filed by: (i) Point72 Asset Management, L.P. (&#8220;Point72 Asset Management&#8221;)<br>
        with respect to shares of common stock, par value $0.01 per share (&#8220;Shares&#8221;), of the Issuer held<br>
        by Point72 Associates, LLC, an investment fund it manages (&#8220;Point72 Associates&#8221;); (ii) Point72<br>
        Capital Advisors, Inc. (&#8220;Point72 Capital Advisors Inc.&#8221;) with respect to Shares held by Point72<br>
        Associates; (iii) Cubist Systematic Strategies, LLC (&#8220;Cubist Systematic Strategies&#8221;) with respect<br>
        to Shares held by an investment fund it manages; and (iv) Steven A. Cohen (&#8220;Mr. Cohen&#8221;) with<br>
        respect to Shares beneficially owned by Point72 Asset Management, Point72 Capital Advisors<br>
        Inc., and Cubist Systematic Strategies.</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">2(b) Address or principal business office or, if none, residence:</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">The address of the principal business office of (i) Point72 Asset Management, Point72 Capital<br>
        Advisors Inc., and Mr. Cohen is 72 Cummings Point Road, Stamford, CT 06902; and (ii) Cubist<br>
        Systematic Strategies is 55 Hudson Yards, New York, NY 10001.</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">2(c) Citizenship:</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">Point72 Asset Management is a Delaware limited partnership. Point72 Capital Advisors Inc. is a<br>
        Delaware corporation. Cubist Systematic Strategies is a Delaware limited liability company.<br>
        Mr. Cohen is a United States citizen.</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">2(d) Title of class of securities:</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">Common Stock, par value $0.01 per share</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">2(e) CUSIP Number:</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">31572Q808</div>
      <div><br>
      </div>
    </div>
    <div style="font-size: 12pt; font-style: italic;">Item 3.</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">Not applicable</div>
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    </div>
    <div style="font-size: 12pt;"><font style="font-style: italic;">Item 4. </font>Ownership</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">&#160;The information required by Items 4(a) &#8211; (c) is set forth in Rows (5) &#8211; (11) of
        the cover page for<br>
      each Reporting Person hereto and is incorporated herein by reference for each Reporting Person.<br>
      Such information is as of the close of business on December 31, 2022.</div>
    <div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">Point72 Asset Management, Point72 Capital Advisors Inc., Cubist Systematic Strategies, and<br>
        Mr. Cohen own directly no Shares. Pursuant to an investment management agreement, Point72<br>
        Asset Management maintains investment and voting power with respect to the securities held by<br>
        Point72 Associates. Point72 Capital Advisors Inc. is the general partner of Point72 Asset<br>
        Management. Pursuant to an investment management agreement, Cubist Systematic Strategies<br>
        maintains investment and voting power with respect to the securities held by an investment fund<br>
        it manages. Mr. Cohen controls each of Point72 Asset Management, Point72 Capital Advisors<br>
        Inc., and Cubist Systematic Strategies.&#160; The filing of this statement should not be construed as an<br>
        admission that any of the foregoing persons or any reporting person is, for the purposes of<br>
        Section 13 of the Act, the beneficial owner of the Shares reported herein.</div>
      <div><br>
      </div>
    </div>
    <div style="font-size: 12pt;"><font style="font-style: italic;">Item 5. </font>Ownership of 5 Percent or Less of a Class.</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">This statement is being filed to report the fact that as of the date hereof Cubist Systematic<br>
      Strategies has ceased to be the beneficial owner of the class of securities.</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;"><font style="font-style: italic;">Item 6.</font>&#160; Ownership of More than 5 Percent on Behalf of
      Another Person.</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">Point72 Associates has the right to receive or the power to direct the receipt of dividends from,<br>
      or the proceeds from the sale of, the Shares reported herein.</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;"><font style="font-style: italic;">Item 7.</font>&#160; Identification and Classification of the
      Subsidiary Which Acquired</div>
    <div style="font-size: 12pt;">the Security Being Reporting on by the Parent Holding Company or Control</div>
    <div style="font-size: 12pt;">Person.</div>
    <div><br>
    </div>
    <div>
      <div style="font-size: 12pt;">Not applicable</div>
      <div><br>
      </div>
      <div style="font-size: 12pt;"><font style="font-style: italic;">Item 8. </font>Identification and Classification of
        Members of the Group</div>
    </div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">Not applicable</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;"><font style="font-style: italic;">Item 9.</font>&#160; Notice of Dissolution of Group.</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">Not applicable</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;"><font style="font-style: italic;">Item 10. </font>Certifications</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">By signing below I certify that, to the best of my knowledge and belief, the
        securities referred to<br>
      above were not acquired and are not held for the purpose of or with the effect of changing or<br>
      influencing the control of the issuer of the securities and were not acquired and are not held in<br>
      connection with or as a participant in any transaction having that purpose or effect.</div>
    <div style="clear: both; margin-top: 10pt; margin-bottom: 10pt;" class="BRPFPageBreakArea">
      <div style="page-break-after:always;" class="BRPFPageBreak">
        <hr noshade="noshade" style="margin: 4px 0px; width: 100%; border-width: 0; height: 2px; color: #000000; background-color: #000000; clear: both;"></div>
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    <div style="font-size: 12pt;"><font style="font-style: italic;">Signature.</font>&#160; After reasonable inquiry and to the best
      of my knowledge and belief,</div>
    <div style="font-size: 12pt;">I certify that the information set forth in this statement is true, complete</div>
    <div style="font-size: 12pt;">and correct.</div>
    <div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div style="font-size: 12pt;">Dated: <u>February 14, 2023</u></div>
      <div><br>
      </div>
      <div><br>
      </div>
    </div>
    <div style="font-size: 12pt;">POINT72 ASSET MANAGEMENT, L.P.</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">By: <u>/s/ Jason M. Colombo</u></div>
    <div style="font-size: 12pt;">Name: Jason M. Colombo</div>
    <div style="font-size: 12pt;">Title: Authorized Person</div>
    <div><br>
    </div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">POINT72 CAPITAL ADVISORS, INC.</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">By: <u>/s/ Jason M. Colombo</u></div>
    <div style="font-size: 12pt;">Name: Jason M. Colombo</div>
    <div style="font-size: 12pt;">Title: Authorized Person</div>
    <div><br>
    </div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">CUBIST SYSTEMATIC STRATEGIES, LLC</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">By: <u>/s/ Jason M. Colombo</u></div>
    <div style="font-size: 12pt;">Name: Jason M. Colombo</div>
    <div><font style="font-size: 12pt;">Title: Authorized Person<br>
        </font><br>
    </div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">STEVEN A. COHEN</div>
    <div><br>
    </div>
    <div style="font-size: 12pt;">By: <u>/s/ Jason M. Colombo</u></div>
    <div style="font-size: 12pt;">Name: Jason M. Colombo</div>
    <div style="font-size: 12pt;">Title: Authorized Person</div>
    <div><br>
    </div>
  </div>
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</TEXT>
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</SEC-DOCUMENT>
