<SEC-DOCUMENT>0001331471-11-000026.txt : 20110809
<SEC-HEADER>0001331471-11-000026.hdr.sgml : 20110809
<ACCEPTANCE-DATETIME>20110809161917
ACCESSION NUMBER:		0001331471-11-000026
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110805
FILED AS OF DATE:		20110809
DATE AS OF CHANGE:		20110809

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Korth Kim
		CENTRAL INDEX KEY:			0001380039

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13337
		FILM NUMBER:		111021033

	MAIL ADDRESS:	
		STREET 1:		C/O IRN, INC.
		STREET 2:		2680 WALKER AVENUE, SUITE A
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49544

ISSUER:		

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

	BUSINESS ADDRESS:	
		STREET 1:		9400 EAST MARKET ST
		CITY:			WARREN
		STATE:			OH
		ZIP:			44484
		BUSINESS PHONE:		3308562443

	MAIL ADDRESS:	
		STREET 1:		9400 EAST MARKET ST
		CITY:			WARREN
		STATE:			OH
		ZIP:			44484
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0304</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-08-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001380039</rptOwnerCik>
            <rptOwnerName>Korth Kim</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O IRN, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2680 WALKER AVENUE, SUITE A</rptOwnerStreet2>
            <rptOwnerCity>GRAND RAPIDS</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>49544</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares, without par value</value>
            </securityTitle>
            <transactionDate>
                <value>2011-08-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>15700</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.43</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5840</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $8.745 to $8.29, inclusive, per share.  The Reporting Person undertakes to provide the Company, any shareholder of the Company, or the Staff of the Securities and Exchange Commission, upon request, full information regaring the number of shares sold at each separate price with the range set forth above.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Robert M. Loesch, by power of attorney</signatureName>
        <signatureDate>2011-08-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
