<SEC-DOCUMENT>0001104659-21-012251.txt : 20210204
<SEC-HEADER>0001104659-21-012251.hdr.sgml : 20210204
<ACCEPTANCE-DATETIME>20210204161829
ACCESSION NUMBER:		0001104659-21-012251
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210204
DATE AS OF CHANGE:		20210204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Warren Glen C Jr
		CENTRAL INDEX KEY:			0001375364

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38075
		FILM NUMBER:		21591393

	MAIL ADDRESS:	
		STREET 1:		1625 17TH STREET
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Antero Midstream Corp
		CENTRAL INDEX KEY:			0001623925
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION [4922]
		IRS NUMBER:				611748605
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1615 WYNKOOP STREET
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		(303) 357-7310

	MAIL ADDRESS:	
		STREET 1:		1615 WYNKOOP STREET
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Antero Midstream GP LP
		DATE OF NAME CHANGE:	20170505

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Antero Resources Midstream Management LLC
		DATE OF NAME CHANGE:	20141031
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>a5.xml
<DESCRIPTION>5
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2020-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0001623925</issuerCik>
        <issuerName>Antero Midstream Corp</issuerName>
        <issuerTradingSymbol>AM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001375364</rptOwnerCik>
            <rptOwnerName>Warren Glen C Jr</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1615 WYNKOOP STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DENVER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2020-12-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>817000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6217723</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common stock, par value $0.01 per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>817000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common stock, par value $0.01 per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3966804</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Effective December 28, 2020, the Reporting Person transferred 817,000 shares of common stock of the Issuer (&quot;Common Stock&quot;) to his spouse, who then transferred such shares to the Warren 2020 Family Trust (the &quot;Warren 2020 Trust&quot;), of which the Reporting Person is trustee.  The Reporting Person and members of his immediate family are the sole beneficiaries of the Warren 2020 Trust. The Reporting Person disclaims beneficial ownership of all shares of Common Stock held by the Warren 2020 Trust except to the extent of his pecuniary interest therein. This transaction was undertaken by the Reporting Person for estate planning purposes.</footnote>
        <footnote id="F2">Includes 193,720 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.</footnote>
        <footnote id="F3">Represents shares of Common Stock held by Canton Investment Holdings LLC (&quot;Canton&quot;). The Reporting Person is the managing member and 50% owner of Canton and the Reporting Peron's spouse owns the remaining 50%. The Reporting Person disclaims beneficial ownership of all shares of Common Stock held by Canton except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>Director, President and Secretary</remarks>

    <ownerSignature>
        <signatureName>/s/ Alyvn A. Schopp, as attorney-in-fact for Glen C. Warren, Jr.</signatureName>
        <signatureDate>2021-02-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
