<SEC-DOCUMENT>0001209191-19-014793.txt : 20190228
<SEC-HEADER>0001209191-19-014793.hdr.sgml : 20190228
<ACCEPTANCE-DATETIME>20190228195741
ACCESSION NUMBER:		0001209191-19-014793
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190226
FILED AS OF DATE:		20190228
DATE AS OF CHANGE:		20190228

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wood David M.
		CENTRAL INDEX KEY:			0001381436

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19514
		FILM NUMBER:		19646203

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		870-864-6315

	MAIL ADDRESS:	
		STREET 1:		200 PEACH STREET
		STREET 2:		P.O. BOX 7000
		CITY:			EL DORADO
		STATE:			AR
		ZIP:			71730

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GULFPORT ENERGY CORP
		CENTRAL INDEX KEY:			0000874499
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				731521290
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		14313 NORTH MAY AVENUE
		STREET 2:		SUITE 100
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73134
		BUSINESS PHONE:		4058488807

	MAIL ADDRESS:	
		STREET 1:		14313 NORTH MAY AVENUE
		STREET 2:		SUITE 100
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73134

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WRT ENERGY CORP
		DATE OF NAME CHANGE:	19930328

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WESTERN RESOURCE TECHNOLOGIES INC
		DATE OF NAME CHANGE:	19600201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-02-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001381436</rptOwnerCik>
            <rptOwnerName>Wood David M.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3001 QUAIL SPRINGS PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>OKLAHOMA CITY</rptOwnerCity>
            <rptOwnerState>OK</rptOwnerState>
            <rptOwnerZipCode>73134</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-02-26</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>350610</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>350610</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of Gulfport Energy Corporation (the &quot;Issuer&quot;) granted under the Issuer's equity incentive plan.  Of these restricted stock units, (i) 121,951 were granted to the reporting person as an inducement award to accept employment with us as our Chief Executive Officer and (ii) 228,659 represent his annual equity award for 2019, in each case as contemplated by the terms of the reporting person's employment with the Issuer, and were calculated based on the closing price per share of the Issuer's common stock on The Nasdaq Global Market on February 25, 2019.  All restricted stock units reported on this form will vest in three approximately equal annual installments beginning on February 26, 2020.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ David M. Wood</signatureName>
        <signatureDate>2019-02-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
