<SEC-DOCUMENT>0000880117-12-000050.txt : 20121203
<SEC-HEADER>0000880117-12-000050.hdr.sgml : 20121203
<ACCEPTANCE-DATETIME>20121203145139
ACCESSION NUMBER:		0000880117-12-000050
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20121129
FILED AS OF DATE:		20121203
DATE AS OF CHANGE:		20121203

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sarlls Robert J
		CENTRAL INDEX KEY:			0001465553

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19681
		FILM NUMBER:		121237265

	MAIL ADDRESS:	
		STREET 1:		1703 N. RANDALL ROAD
		CITY:			ELGIN
		STATE:			IL
		ZIP:			60123-7820

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SANFILIPPO JOHN B & SON INC
		CENTRAL INDEX KEY:			0000880117
		STANDARD INDUSTRIAL CLASSIFICATION:	SUGAR & CONFECTIONERY PRODUCTS [2060]
		IRS NUMBER:				362419677
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0628

	BUSINESS ADDRESS:	
		STREET 1:		1703 N. RANDALL ROAD
		CITY:			ELGIN
		STATE:			IL
		ZIP:			60123-7820
		BUSINESS PHONE:		847-289-1800

	MAIL ADDRESS:	
		STREET 1:		1703 N. RANDALL ROAD
		CITY:			ELGIN
		STATE:			IL
		ZIP:			60123-7820
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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    <periodOfReport>2012-11-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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        <issuerName>SANFILIPPO JOHN B &amp; SON INC</issuerName>
        <issuerTradingSymbol>JBSS</issuerTradingSymbol>
    </issuer>

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            <rptOwnerName>Sarlls Robert J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1703 N. RANDALL ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ELGIN</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60123-7820</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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                <value>Common Stock</value>
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                <value></value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <transactionDate>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>490</value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
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            <transactionDate>
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                <transactionFormType>4</transactionFormType>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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                <directOrIndirectOwnership>
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        <nonDerivativeTransaction>
            <securityTitle>
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    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/Herbert J. Marros as Power of Attorney</signatureName>
        <signatureDate>2012-12-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
