<SEC-DOCUMENT>0001865418-21-000004.txt : 20211216
<SEC-HEADER>0001865418-21-000004.hdr.sgml : 20211216
<ACCEPTANCE-DATETIME>20211216200250
ACCESSION NUMBER:		0001865418-21-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211215
FILED AS OF DATE:		20211216
DATE AS OF CHANGE:		20211216

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			schiller Thomas
		CENTRAL INDEX KEY:			0001865418

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40481
		FILM NUMBER:		211499241

	MAIL ADDRESS:	
		STREET 1:		C/O INDIE SEMICONDUCTOR
		STREET 2:		32 JOURNEY
		CITY:			ALISO VIEJO
		STATE:			CA
		ZIP:			92656

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			indie Semiconductor, Inc.
		CENTRAL INDEX KEY:			0001841925
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		32 JOURNEY
		CITY:			ALISO VIEJO
		STATE:			CA
		ZIP:			92656
		BUSINESS PHONE:		2024310507

	MAIL ADDRESS:	
		STREET 1:		32 JOURNEY
		CITY:			ALISO VIEJO
		STATE:			CA
		ZIP:			92656

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Thunder Bridge II Surviving Pubco, Inc.
		DATE OF NAME CHANGE:	20210122
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_163970295701121.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-12-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001841925</issuerCik>
        <issuerName>indie Semiconductor, Inc.</issuerName>
        <issuerTradingSymbol>INDI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001865418</rptOwnerCik>
            <rptOwnerName>schiller Thomas</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>32 JOURNEY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ALISO VIEJO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92656</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO and EVP of Strategy</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-12-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.85</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1636922</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Pursuant to the Master Transactions Agreement by and among Thunder Bridge II Surviving Pubco, Inc., Thunder Bridge Acquisition II, Ltd., Ay Dee Kay, LLC d/b/a indie Semiconductor (&quot;ADK&quot;) and certain other parties (dated as of December 14, 2020 and amended as of the same date) (the &quot;Agreement&quot;), the Reporting Person's ADK units were converted into 2,085,019 shares of the Issuer's Class A Common Stock upon the closing of the transactions contemplated by the Agreement. Post the reported transactions above, of the 2,080,996 shares, 846,761 remain unvested and will vest upon satisfaction of certain time and performance conditions.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Thomas Schiller, by Naixi Wu pursuant to power of attorney filed on June 21, 2021</signatureName>
        <signatureDate>2021-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
