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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001096906-08-001163.txt : 20080612
<SEC-HEADER>0001096906-08-001163.hdr.sgml : 20080612
<ACCEPTANCE-DATETIME>20080612140039
ACCESSION NUMBER:		0001096906-08-001163
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080331
FILED AS OF DATE:		20080612
DATE AS OF CHANGE:		20080612

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SECURITY NATIONAL FINANCIAL CORP
		CENTRAL INDEX KEY:			0000318673
		STANDARD INDUSTRIAL CLASSIFICATION:	FINANCE SERVICES [6199]
		IRS NUMBER:				870345941
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 57220
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84157
		BUSINESS PHONE:		8012641060

	MAIL ADDRESS:	
		STREET 1:		PO BOX 57220
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84157

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SNL FINANCIAL CORP
		DATE OF NAME CHANGE:	19910401

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SILL STEPHEN M
		CENTRAL INDEX KEY:			0001268845

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09341
		FILM NUMBER:		08895120

	MAIL ADDRESS:	
		STREET 1:		PO BOX 57220
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84157-0220
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-03-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000318673</issuerCik>
        <issuerName>SECURITY NATIONAL FINANCIAL CORP</issuerName>
        <issuerTradingSymbol>SNFCA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001268845</rptOwnerCik>
            <rptOwnerName>SILL STEPHEN M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1595 NORTH FORT LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LAYTON</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84041</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>V.P., Treasurer and CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1634</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.75</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>34318</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.85</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2008-03-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.85</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2008-06-30</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2018-03-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Received pursuant to a 5% stock dividend paid on January 18, 2008.</footnote>
        <footnote id="F2">Owned jointly by the reporting person and his wife.  Does not include 51,199 shares of Class A Common Stock owned directly by the reporting person in the 401(k) Retirement Savings Plan, the Employee Stock Ownership Plan (ESOP), and the Deferred Compensation Plan.</footnote>
        <footnote id="F3">This option vests in four equal installments of 1,875 shares of Class A Common Stock, beginning on June 30, 2008, until such shares are fully vested.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Stephen M. Sill</signatureName>
        <signatureDate>2008-06-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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