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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-01-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000315131</issuerCik>
        <issuerName>PANHANDLE OIL &amp; GAS INC</issuerName>
        <issuerTradingSymbol>PHX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001105838</rptOwnerCik>
            <rptOwnerName>ROBOTTI ROBERT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>60 EAST 42ND STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3100</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10165</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock, $0.0166 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2019-01-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2258</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>698676</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Amount represents the number of shares of restricted stock granted under the Amended Panhandle Oil and Gas Inc. 2010 Restricted Stock Plan. The shares will vest 1/4 each calendar quarter.</footnote>
        <footnote id="F2">This amount includes 29,480 shares of Common Stock directly beneficially owned by Robotti &amp; Company Advisors, LLC (&quot;Robotti Advisors&quot;), which was previously owned by Robotti &amp; Company, Incorporated (&quot;ROBT&quot;), 388,192 shares of the Common Stock directly beneficially owned by The Ravenswood Investment Company, LP (&quot;RIC&quot;), 237,280 shares of the Common Stock directly beneficially owned by Ravenswood Investments III, L.P. (&quot;RI&quot;), 36,000 shares of the Common Stock directly beneficially owned by Suzanne Robotti (&quot;Su Robotti&quot;), wife of Robert Robotti, and 7,724 shares of the Common Stock, of which 2,258 shares are restricted stock, directly beneficially owned by Robert Robotti.</footnote>
        <footnote id="F3">Mr. Robotti may be deemed to beneficially own (solely for the purpose of Rule 16a-1(a)(2) under the Securities Exchange Act of 1934, as amended (&quot;Exchange Act&quot;)) certain of the shares of Common Stock set forth in this Form 4 through his proportionate ownership of ROBT and Robotti Advisors, as a managing member of Ravenswood Management Company, LLC, which serves as the general partner of RIC and RI and through his marriage to Su Robotti.  Mr. Robotti disclaims beneficial ownership of all securities reported herein except to the extent of his pecuniary interest therein, if any.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Robert E. Robotti</signatureName>
        <signatureDate>2019-01-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
