<SEC-DOCUMENT>0001534969-21-000006.txt : 20211101
<SEC-HEADER>0001534969-21-000006.hdr.sgml : 20211101
<ACCEPTANCE-DATETIME>20211101164039
ACCESSION NUMBER:		0001534969-21-000006
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20211101
FILED AS OF DATE:		20211101
DATE AS OF CHANGE:		20211101

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Harrison Robert Gardner
		CENTRAL INDEX KEY:			0001421563

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40606
		FILM NUMBER:		211367809

	MAIL ADDRESS:	
		STREET 1:		320 WAKARA WAY
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108

	FORMER NAME:	
		FORMER CONFORMED NAME:	Harrison Robert G.
		DATE OF NAME CHANGE:	20071218

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SERA PROGNOSTICS, INC.
		CENTRAL INDEX KEY:			0001534969
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		IRS NUMBER:				261911522
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2749 E. PARLEYS WAY
		STREET 2:		SUITE 200
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84109
		BUSINESS PHONE:		(801) 990-0520

	MAIL ADDRESS:	
		STREET 1:		2749 E. PARLEYS WAY
		STREET 2:		SUITE 200
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84109
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_163579920591904.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-11-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001534969</issuerCik>
        <issuerName>SERA PROGNOSTICS, INC.</issuerName>
        <issuerTradingSymbol>SERA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001421563</rptOwnerCik>
            <rptOwnerName>Harrison Robert Gardner</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SERA PROGNOSTICS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2749 EAST PARLEYS WAY, SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>SALT LAKE CITY</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Information Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>8.88</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2031-05-03</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>240713.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">These stock options vest over four years as follows: 25% of the original grant amount vests on the first anniversary of the vesting commencement date and 1/36 of the original grant amount vests in monthly installments for three years following the grant date.</footnote>
    </footnotes>

    <remarks>Exhibit 24.1 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Benjamin G. Jackson, Attorney-in-fact</signatureName>
        <signatureDate>2021-11-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>exhibit241-rh.htm
<DESCRIPTION>EXHIBIT 24.1
<TEXT>
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<!-- Document created using Wdesk -->
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<title>Document</title></head><body><div id="ibcac12b52b374cba90d0980c26f9b5df_1"></div><div style="min-height:72pt;width:100%"><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Exhibit 24.1</font></div></div><div style="margin-top:0.4pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:118%">POWER OF ATTORNEY</font></div><div style="margin-top:11.35pt;padding-right:7.2pt;text-align:justify;text-indent:32.4pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">Know all by these present, that the undersigned hereby constitutes and appoints each of Benjamin G. Jackson, Secretary and General Counsel of Sera Prognostics, Inc. (the &#34;Company&#34;), and Megan Gates, Nishant Dharia, Raven Sun, Ginny Lee, Brenda L. Meyette, Anne T. Leland, and Nyisha Shakur of Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C., signing singly, with full power of substitution, the undersigned's true and lawful attorney-in-fact to&#58;</font></div><div style="margin-top:11.6pt;padding-left:72pt;padding-right:14.4pt;text-align:justify;text-indent:-40.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:116%">(1)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:116%;padding-left:28.84pt">execute for and on behalf of the undersigned, forms and authentication documents for EDGAR Filing Access&#59;</font></div><div style="margin-top:11.6pt;padding-left:72pt;padding-right:14.4pt;text-align:justify;text-indent:-39.6pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:116%">(2)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:116%;padding-left:27.94pt">do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such forms and authentication documents&#59;</font></div><div style="margin-top:11.65pt;padding-left:72pt;padding-right:7.2pt;text-align:justify;text-indent:-39.6pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">(3)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;padding-left:27.94pt">execute for and on behalf of the undersigned, in the undersigned's capacity as an officer, director and&#47;or 10% shareholder of the Company, Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder&#59;</font></div><div style="margin-top:11.75pt;padding-left:72pt;padding-right:14.4pt;text-align:justify;text-indent:-39.6pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">(4)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;padding-left:27.94pt">do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form 3, 4 or 5 and timely file such form with the United States Securities and Exchange Commission and any stock exchange or similar authority&#59; and</font></div><div style="margin-top:11.9pt;padding-left:72pt;padding-right:7.2pt;text-align:justify;text-indent:-39.6pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">(5)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;padding-left:27.94pt">take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interests of, or legally required by the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion.</font></div><div style="margin-top:11.8pt;padding-right:7.2pt;text-align:justify;text-indent:32.4pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934, as amended.</font></div><div style="margin-top:11.4pt;padding-right:7.2pt;text-align:justify;text-indent:32.4pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:116%">This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.</font></div><div style="margin-bottom:23.55pt;margin-top:11.8pt;padding-right:7.2pt;text-align:justify;text-indent:32.4pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:111%">IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed this 28th day of September, 2021.</font></div><div style="padding-right:7.2pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:111%">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div><div style="margin-bottom:6pt;padding-left:221.4pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:41.346%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:133%">&#47;s&#47; Robert Harrison</font></td></tr><tr><td colspan="3" style="border-top:0.25pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:2.75pt;padding-right:9.95pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:111%">&#160;&#160;&#160;&#160;Signature</font></div><div style="padding-left:2.75pt;padding-right:9.95pt"><font><br></font></div></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Robert Harrison</font></td></tr><tr><td colspan="3" style="border-top:0.25pt solid #000000;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Print Name</font></td></tr></table></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
