<SEC-DOCUMENT>0001628280-25-025790.txt : 20250515
<SEC-HEADER>0001628280-25-025790.hdr.sgml : 20250515
<ACCEPTANCE-DATETIME>20250515150113
ACCESSION NUMBER:		0001628280-25-025790
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250513
FILED AS OF DATE:		20250515
DATE AS OF CHANGE:		20250515

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Rutt Sheila M
		CENTRAL INDEX KEY:			0001326214
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13337
		FILM NUMBER:		25951699

	MAIL ADDRESS:	
		STREET 1:		5995 MAYFAIR ROAD
		CITY:			NORTH CANTON
		STATE:			OH
		ZIP:			44720

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			STONERIDGE INC
		CENTRAL INDEX KEY:			0001043337
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				341598949
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		39675 MACKENZIE DRIVE
		STREET 2:		SUITE 400
		CITY:			NOVI
		STATE:			MI
		ZIP:			48377
		BUSINESS PHONE:		2484899300

	MAIL ADDRESS:	
		STREET 1:		39675 MACKENZIE DRIVE
		STREET 2:		SUITE 400
		CITY:			NOVI
		STATE:			MI
		ZIP:			48377
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1747335665.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-05-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001043337</issuerCik>
        <issuerName>STONERIDGE INC</issuerName>
        <issuerTradingSymbol>SRI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001326214</rptOwnerCik>
            <rptOwnerName>Rutt Sheila M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STONERIDGE, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>39675 MACKENZIE DRIVE, SUITE 400</rptOwnerStreet2>
            <rptOwnerCity>NOVI</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48377</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 Shares, without par value</value>
            </securityTitle>
            <transactionDate>
                <value>2025-05-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>16194</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>42061</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Restricted Common Shares granted to the Reporting Person pursuant to the 2025 Long-Term Incentive Plan, no longer subject to substantial risk of forfeiture on May 13, 2026.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Robert M. Loesch, by power of attorney</signatureName>
        <signatureDate>2025-05-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
