<SEC-DOCUMENT>0000880117-12-000012.txt : 20120328
<SEC-HEADER>0000880117-12-000012.hdr.sgml : 20120328
<ACCEPTANCE-DATETIME>20120328173126
ACCESSION NUMBER:		0000880117-12-000012
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120326
FILED AS OF DATE:		20120328
DATE AS OF CHANGE:		20120328

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SANFILIPPO JEFFREY T
		CENTRAL INDEX KEY:			0001171340

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19681
		FILM NUMBER:		12721679

	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>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0305</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-03-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000880117</issuerCik>
        <issuerName>SANFILIPPO JOHN B &amp; SON INC</issuerName>
        <issuerTradingSymbol>JBSS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001171340</rptOwnerCik>
            <rptOwnerName>SANFILIPPO JEFFREY T</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>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A - Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-03-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.14</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A - Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>44044</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>As Co-Trustee of 2006 Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person above purchased the shares of Class A Common Stock listed herein pursuant to a written agreement between James J. Sanfilippo and the reporting person, among others.  Under the agreement, the reporting person purchased shares of Class A Common Stock of John B. Sanfilippo &amp; Son, Inc. (the Company) equal to the number of shares of Common Stock of the Company sold by the reporting person in an earlier sale.</footnote>
        <footnote id="F2">The purchase price for each share of Class A Common Stock is $11.14.  This represents the highest price received by any of Jasper B. Sanfilippo, Marian Sanfilippo, Jeffrey T. Sanfilippo, John E. Sanfilippo and the Jasper B. Sanfilippo, Jr. Irrevocable Trust, dated October 6, 2006, for the sales of Common Stock of the Company as previously reported by each of the above individuals.</footnote>
        <footnote id="F3">As a result of the transactions described herein, the reporting person will own the same number of shares of common equity (defined as the total combined number of shares of Class A Common Stock and Common Stock) of the Company as owned prior to this filing. In addition, the reporting person may be deemed to beneficially own 32,609 shares of Class A Common Stock held in the name of the Jeffrey T. Sanfilippo Trust, dated October 4, 1991.</footnote>
        <footnote id="F4">10,000 shares are held in the name of reporting person.  44,044 shares are held in the name of the Jeffrey T. Sanfilippo Irrevocable Trust dated October 6, 2006 for which the reporting person is the Co-Trustee and beneficial owner.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Herbert J. Marros as Power of Attorney</signatureName>
        <signatureDate>2012-03-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
