<SEC-DOCUMENT>0001520006-17-000090.txt : 20170310
<SEC-HEADER>0001520006-17-000090.hdr.sgml : 20170310
<ACCEPTANCE-DATETIME>20170310200458
ACCESSION NUMBER:		0001520006-17-000090
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170308
FILED AS OF DATE:		20170310
DATE AS OF CHANGE:		20170310

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Matador Resources Co
		CENTRAL INDEX KEY:			0001520006
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				274662601
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5400 LBJ FREEWAY
		STREET 2:		SUITE 1500
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
		BUSINESS PHONE:		9723715200

	MAIL ADDRESS:	
		STREET 1:		5400 LBJ FREEWAY
		STREET 2:		SUITE 1500
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Matador Holdco, Inc.
		DATE OF NAME CHANGE:	20110505

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lancaster David E
		CENTRAL INDEX KEY:			0001540524

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35410
		FILM NUMBER:		17683557

	MAIL ADDRESS:	
		STREET 1:		5400 LBJ FREEWAY
		STREET 2:		SUITE 1500
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_148919428477009.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-03-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001520006</issuerCik>
        <issuerName>Matador Resources Co</issuerName>
        <issuerTradingSymbol>MTDR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001540524</rptOwnerCik>
            <rptOwnerName>Lancaster David E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5400 LBJ FREEWAY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1500</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75240</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP and CFO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-03-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>12585</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.54</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>282595</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>75500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Represents shares held of record by the reporting person's Individual Retirement Account.</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability based upon the vesting of 30,000 shares of restricted stock that were granted to the reporting person on March 8, 2013. No shares were sold by the reporting person to satisfy this tax liability.</footnote>
        <footnote id="F2">Includes 31,786 shares of restricted stock granted to the reporting person on February 15, 2017 that vest in equal annual installments on the first, second and third anniversaries of the date of grant.</footnote>
        <footnote id="F3">Includes 24,866 shares of restricted stock granted to the reporting person on February 19, 2016 that vest on the third anniversary of the date of grant.</footnote>
        <footnote id="F4">Includes 1,804 shares of restricted stock granted to the reporting person on April 30, 2015 that vest on the third anniversary of the date of grant.</footnote>
        <footnote id="F5">Includes 4,375 shares of restricted stock granted to the reporting person on January 21, 2015 that vest on the third anniversary of the date of grant.</footnote>
        <footnote id="F6">Includes 5,342 shares of restricted stock granted to the reporting person on March 7, 2014 that vest on the fourth anniversary of the date of grant.</footnote>
        <footnote id="F7">Includes 1,903 shares of restricted stock granted to the reporting person on February 11, 2014 that vest on the fourth anniversary of the date of grant.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ David E. Lancaster, by Kyle A. Ellis as attorney-in-fact</signatureName>
        <signatureDate>2017-03-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
