<SEC-DOCUMENT>0001104659-25-121709.txt : 20251216
<SEC-HEADER>0001104659-25-121709.hdr.sgml : 20251216
<ACCEPTANCE-DATETIME>20251216191234
ACCESSION NUMBER:		0001104659-25-121709
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251216
FILED AS OF DATE:		20251216
DATE AS OF CHANGE:		20251216

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KLIMLEY BROOKS J
		CENTRAL INDEX KEY:			0001235158
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38075
		FILM NUMBER:		251576891

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Antero Midstream Corp
		CENTRAL INDEX KEY:			0001623925
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION [4922]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				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>tm2533705-1_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-12-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001235158</rptOwnerCik>
            <rptOwnerName>KLIMLEY BROOKS J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9 SHERMAN AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BRONXVILLE</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10708</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2025-12-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.59</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>72622</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.57 to $17.61, inclusive. The reporting person undertakes to provide Antero Midstream Corporation (the &quot;Issuer&quot;), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Yvette K. Schultz, as attorney-in-fact for Brooks J. Klimley</signatureName>
        <signatureDate>2025-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
