<SUBMISSION>
<ACCESSION-NUMBER>0000946275-06-000055
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20060120
<FILING-DATE>20060123
<DATE-OF-FILING-DATE-CHANGE>20060123
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>HOLLOWELL DAVID E
<CIK>0001228140
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-16668
<FILM-NUMBER>06543308
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>2024344660
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>C/O WSFS FINANCIAL CORP
<STREET2>838 MARKET STREET
<CITY>WILMINGTON
<STATE>DE
<ZIP>19801
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>WSFS FINANCIAL CORP
<CIK>0000828944
<ASSIGNED-SIC>6021
<IRS-NUMBER>222866913
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>838 MARKET ST
<CITY>WILMINGTON
<STATE>DE
<ZIP>19801
<PHONE>3027926000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>838 MARKET STREET
<CITY>WILMINGTON
<STATE>DE
<ZIP>19801
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>STAR STATES CORP
<DATE-CHANGED>19920703
</FORMER-COMPANY>
</ISSUER>
<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>2006-01-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000828944</issuerCik>
        <issuerName>WSFS FINANCIAL CORP</issuerName>
        <issuerTradingSymbol>WSFS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001228140</rptOwnerCik>
            <rptOwnerName>HOLLOWELL DAVID E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WSFS FINANCIAL CORP</rptOwnerStreet1>
            <rptOwnerStreet2>838 MARKET STREET</rptOwnerStreet2>
            <rptOwnerCity>WILMINGTON</rptOwnerCity>
            <rptOwnerState>DE</rptOwnerState>
            <rptOwnerZipCode>19801</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-01-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>63.26</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11700</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ David E. Hollowell, by Robert F. Mack, Power of Attorney</signatureName>
        <signatureDate>2006-01-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
