<SEC-DOCUMENT>0001104659-19-021157.txt : 20190412
<SEC-HEADER>0001104659-19-021157.hdr.sgml : 20190412
<ACCEPTANCE-DATETIME>20190412173433
ACCESSION NUMBER:		0001104659-19-021157
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190410
FILED AS OF DATE:		20190412
DATE AS OF CHANGE:		20190412

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KAGAN PETER
		CENTRAL INDEX KEY:			0001239315

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38075
		FILM NUMBER:		19747146

	MAIL ADDRESS:	
		STREET 1:		C/O WARBURG PINCUS LLC
		STREET 2:		450 LEXINGTON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

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>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-04-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001239315</rptOwnerCik>
            <rptOwnerName>KAGAN PETER</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WARBURG PINCUS &amp; CO.</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2019-04-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3639</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0000</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19451</value>
                </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>55109589</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Person is a Partner of Warburg Pincus &amp; Co., a New York general partnership (&quot;WP&quot;), and a Member and Managing Director of Warburg Pincus LLC, a New York limited liability company (&quot;WP LLC&quot;). As of April 10, 2019, the Warburg Pincus Entities (as defined below) collectively owned 55,109,589 shares of Antero Midstream Corporation (&quot;Antero Midstream&quot;) Common Stock (&quot;Common Stock&quot;).</footnote>
        <footnote id="F2">All Common Stock indicated as indirectly owned by the Reporting Person are included because of his affiliation with the Warburg Pincus Entities, due to which Mr. Kagan may be deemed to have an indirect pecuniary interest (within the meaning of Rule 16a-1 under the Securities and Exchange Act of 1934, as amended) in an indeterminate portion of the Common Stock owned by the Warburg Pincus Entities. Mr. Kagan disclaims beneficial ownership of all Common Stock attributable to the Warburg Pincus Entities except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F3">The Warburg Pincus funds are Warburg Pincus Private Equity VIII, L.P., a Delaware limited partnership (&quot;WP VIII&quot;, and together with its two affiliated partnerships, Warburg Pincus Netherlands Private Equity VIII C.V. I, a company formed under the laws of the Netherlands (&quot;WP VIII CV I&quot;), and WP-WPVIII Investors, L.P., a Delaware limited partnership (&quot;WP-WPVIII Investors&quot;), collectively, the &quot;WP VIII Funds&quot;), Warburg Pincus Private Equity X O&amp;G, L.P., a Delaware limited partnership (&quot;WP X O&amp;G&quot;), and Warburg Pincus X Partners, L.P., a Delaware limited partnership (&quot;WP X Partners&quot;, and together with WP X O&amp;G, the &quot;WP X O&amp;G Funds&quot;). WP-WPVIII Investors GP L.P., a Delaware limited partnership (&quot;WPWPVIII GP&quot;), is the general partner of WP-WPVIII Investors. Warburg Pincus X, L.P., a Delaware limited partnership (&quot;WP X GP&quot;), is the general partner of each of the WP X O&amp;G Funds.</footnote>
        <footnote id="F4">Warburg Pincus X GP L.P., a Delaware limited partnership (&quot;WP X GP LP&quot;), is the general partner of WP X GP. WPP GP LLC, a Delaware limited liability company (&quot;WPP GP&quot;), is the general partner of WP-WPVIII GP and WP X GP LP. Warburg Pincus Partners, L.P., a Delaware limited partnership (&quot;WP Partners&quot;), is (a) the managing member of WPP GP, and (b) the general partner of WP VIII and WP VIII CV I. Warburg Pincus Partners GP LLC, a Delaware limited liability company (&quot;WP Partners GP&quot;), is the general partner of WP Partners. WP is the managing member of WP Partners GP. WP LLC is the manager of each of the WP VIII Funds and the WP X O&amp;G Funds.</footnote>
        <footnote id="F5">Each of the WP VIII Funds, the WP X O&amp;G Funds, WP-WPVIII GP, WP X GP, WP X GP LP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the &quot;Warburg Pincus Entities.&quot;</footnote>
    </footnotes>

    <remarks>***The Power of Attorney given by Mr. Kagan was previously filed with the U.S. Securities and Exchange Commission on October 12, 2016 as an exhibit to the Form 4 filed by Mr. Kagan with respect to the Issuer and is hereby incorporated by reference.</remarks>

    <ownerSignature>
        <signatureName>/s/ Robert B. Knauss By: Robert B. Knauss, attorney-in-fact for Peter R. Kagan**</signatureName>
        <signatureDate>2019-04-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
