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

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-07-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001388510</issuerCik>
        <issuerName>PENGRAM CORP</issuerName>
        <issuerTradingSymbol>PNGM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001345786</rptOwnerCik>
            <rptOwnerName>DONALDSON RICHARD W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P.O. BOX 230, TOWER PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2>LEEWARD HIGHWAY</rptOwnerStreet2>
            <rptOwnerCity>PROVIDENCIALES</rptOwnerCity>
            <rptOwnerState>W7</rptOwnerState>
            <rptOwnerZipCode>BWI</rptOwnerZipCode>
            <rptOwnerStateDescription>TURKS AND CAICOS ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO/CFO/Pres/Sec/Treasurer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Shares of Common Stock, par value $0.001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2009-07-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23000000</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On July 9, 2009, the Reporting Person entered into an option agreement dated July 9, 2009 with Bryan Wilson, a director of the Issuer, pursuant to which the Reporting Person granted an option to Mr. Wilson to acquire 1,000,000 shares of the Issuer's common stock at a price of $0.05 per share until July 31, 2012.</footnote>
        <footnote id="F2">The Reporting Person's holdings have been adjusted to reflect a 1:3 forward stock split completed by the Issuer on April 13, 2009.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Richard W. Donaldson</signatureName>
        <signatureDate>2009-07-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
