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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2017-02-17</periodOfReport>

    <dateOfOriginalSubmission>2017-02-27</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000874499</issuerCik>
        <issuerName>GULFPORT ENERGY CORP</issuerName>
        <issuerTradingSymbol>GPOR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001699404</rptOwnerCik>
            <rptOwnerName>LG WF L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>630 FIFTH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>30TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001077430</rptOwnerCik>
            <rptOwnerName>GOLDBERG ALAN E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>630 FIFTH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>30TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001332188</rptOwnerCik>
            <rptOwnerName>Lindsay Robert D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>630 FIFTH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>30TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5718245</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents the 5,718,245 shares of common stock, par value $0.01 per share (&quot;Common Stock&quot;) of Gulfport Energy Corporation, a Delaware corporation beneficially owned by Vitruvian II Woodford, LLC, a Delaware limited liability company (&quot;Vitruvian&quot;). Vitruvian is managed by its board of managers and LG WF L.P. is a member of Vitruvian.</footnote>
        <footnote id="F2">The general partner of LG WF L.P. is LG WF GP LLC (the &quot;GP&quot;). Alan E. Goldberg and Robert D. Lindsay are the executive managers of the GP and, through a series of affiliated investment funds, share ownership and voting control of the GP. Messrs. Goldberg and Lindsay, by virtue of this relationship, may be deemed to have or share indirect beneficial ownership. Messrs. Goldberg and Lindsay do not beneficially own securities of the Issuer directly.</footnote>
        <footnote id="F3">Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of such Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.</footnote>
    </footnotes>

    <remarks>Exhibit 99.1 - Joint Filer Information, incorporated herein by reference. This amendment is filed solely to add EDGAR CIKs for certain Reporting Persons.</remarks>

    <ownerSignature>
        <signatureName>LG WF L.P., By: /s/ Alan E. Goldberg, Executive Manager</signatureName>
        <signatureDate>2017-03-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Alan E. Goldberg</signatureName>
        <signatureDate>2017-03-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Robert D. Lindsay</signatureName>
        <signatureDate>2017-03-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
