<SEC-DOCUMENT>0001538716-25-000059.txt : 20250722
<SEC-HEADER>0001538716-25-000059.hdr.sgml : 20250722
<ACCEPTANCE-DATETIME>20250722170846
ACCESSION NUMBER:		0001538716-25-000059
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250718
FILED AS OF DATE:		20250722
DATE AS OF CHANGE:		20250722

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Miramontes Louis
		CENTRAL INDEX KEY:			0001739286
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39050
		FILM NUMBER:		251140958

	MAIL ADDRESS:	
		STREET 1:		150 N BARTLETT ST
		CITY:			MEDFORD
		STATE:			OR
		ZIP:			97501

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Oportun Financial Corp
		CENTRAL INDEX KEY:			0001538716
		STANDARD INDUSTRIAL CLASSIFICATION:	FINANCE SERVICES [6199]
		ORGANIZATION NAME:           	02 Finance
		EIN:				453361983
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2 CIRCLE STAR WAY
		CITY:			SAN CARLOS
		STATE:			CA
		ZIP:			94070
		BUSINESS PHONE:		(650) 810-8823

	MAIL ADDRESS:	
		STREET 1:		2 CIRCLE STAR WAY
		CITY:			SAN CARLOS
		STATE:			CA
		ZIP:			94070

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Progreso Financiero Holdings, Inc.
		DATE OF NAME CHANGE:	20120104
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1753218518.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-07-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001538716</issuerCik>
        <issuerName>Oportun Financial Corp</issuerName>
        <issuerTradingSymbol>OPRT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001739286</rptOwnerCik>
            <rptOwnerName>Miramontes Louis</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OPORTUN FINANCIAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>2 CIRCLE STAR WAY</rptOwnerStreet2>
            <rptOwnerCity>SAN CARLOS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94070</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-07-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>18090</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>90286</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents an award of restricted stock units that will vest one-fourth on each of October 18, 2025, January 18, 2026, April 18, 2026, and upon the earlier of (i) the date immediately preceding the Issuer's 2026 annual stockholder meeting or (ii) July 18, 2026, subject to the Reporting Person's continued service through such date.</footnote>
        <footnote id="F2">Each RSU represents the right to receive, at settlement, one share of common stock.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Kathleen Layton (Attorney-in-Fact)</signatureName>
        <signatureDate>2025-07-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
