<SEC-DOCUMENT>0001913038-22-000008.txt : 20220524
<SEC-HEADER>0001913038-22-000008.hdr.sgml : 20220524
<ACCEPTANCE-DATETIME>20220524174429
ACCESSION NUMBER:		0001913038-22-000008
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220521
FILED AS OF DATE:		20220524
DATE AS OF CHANGE:		20220524

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Milotich Michael
		CENTRAL INDEX KEY:			0001913038

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40465
		FILM NUMBER:		22958308

	MAIL ADDRESS:	
		STREET 1:		180 GRAND AVENUE, 6TH FLOOR
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94612

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Marqeta, Inc.
		CENTRAL INDEX KEY:			0001522540
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				274306690
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		180 GRAND AVENUE
		STREET 2:		6TH FLOOR
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94612
		BUSINESS PHONE:		888-462-7738

	MAIL ADDRESS:	
		STREET 1:		180 GRAND AVENUE
		STREET 2:		6TH FLOOR
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94612
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_165342865221009.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-05-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001522540</issuerCik>
        <issuerName>Marqeta, Inc.</issuerName>
        <issuerTradingSymbol>MQ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001913038</rptOwnerCik>
            <rptOwnerName>Milotich Michael</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>180 GRAND AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>OAKLAND</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94612</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-05-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>406504</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>406504.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>406504</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>9.84</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-05-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>686718</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2032-05-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>686718.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>686718</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each restricted stock unit is convertible into one share of Class A Common Stock.</footnote>
        <footnote id="F2">Twenty-five percent (25%) of the restricted stock units vest on March 1, 2023 and 1/16th of the remaining restricted stock units vest quarterly on each June 1, September 1, December 1, and March 1 thereafter, subject to the Reporting Person's continued service to the Issuer as of each vesting date.</footnote>
        <footnote id="F3">Twenty-five percent (25%) of the shares subject to the stock option vests on February 22, 2023, and the remaining shares subject to the  option vest in equal monthly installments over the three years thereafter, subject to the Reporting Person's continued service to the Issuer as of each vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Tracy Foard, Attorney-in-Fact</signatureName>
        <signatureDate>2022-05-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
