<SEC-DOCUMENT>0001042167-21-000009.txt : 20210204
<SEC-HEADER>0001042167-21-000009.hdr.sgml : 20210204
<ACCEPTANCE-DATETIME>20210204172025
ACCESSION NUMBER:		0001042167-21-000009
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210202
FILED AS OF DATE:		20210204
DATE AS OF CHANGE:		20210204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Messina Richard P
		CENTRAL INDEX KEY:			0001451506

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25150
		FILM NUMBER:		21592297

	MAIL ADDRESS:	
		STREET 1:		C/O STRATTEC SECURITY CORPORATION
		STREET 2:		3333 WEST GOOD HOPE ROAD
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53209

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			STRATTEC SECURITY CORP
		CENTRAL INDEX KEY:			0000933034
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				391804239
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			0628

	BUSINESS ADDRESS:	
		STREET 1:		3333 WEST GOOD HOPE ROAD
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53209
		BUSINESS PHONE:		4142473333

	MAIL ADDRESS:	
		STREET 1:		3333 W GOOD HOPE ROAD
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53209
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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    <schemaVersion>X0306</schemaVersion>

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    <periodOfReport>2021-02-02</periodOfReport>

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        <issuerName>STRATTEC SECURITY CORP</issuerName>
        <issuerTradingSymbol>STRT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001451506</rptOwnerCik>
            <rptOwnerName>Messina Richard P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STRATTEC SECURITY CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>3333 WEST GOOD HOPE ROAD</rptOwnerStreet2>
            <rptOwnerCity>MILWAUKEE</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>53209</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP - Global Engr. &amp; Prchs.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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                <value>Common Stock, par value $.01 per share</value>
            </securityTitle>
            <transactionDate>
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            <transactionAmounts>
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                <transactionPricePerShare>
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        <nonDerivativeTransaction>
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                <value>Common Stock, par value $.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2021-02-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>6112</value>
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                <transactionPricePerShare>
                    <value>56.01</value>
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                <transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10140</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>25.64</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-02-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2015-08-20</value>
            </exerciseDate>
            <expirationDate>
                <value>2022-08-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1300</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
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            <exerciseDate>
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            <expirationDate>
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            <exerciseDate>
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    </derivativeTable>

    <ownerSignature>
        <signatureName>/s/ Eric Hagemeier, via Power of Attorney</signatureName>
        <signatureDate>2021-02-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
