[Form 4] Antero Midstream Corporation Insider Trading Activity

Rhea-AI Filing Summary

Sheri Pearce, Senior Vice President - Accounting and Chief Accounting Officer of Antero Midstream Corporation (AM), reported an insider sale of common stock. On 08/20/2025 she disposed of 39,155 shares at a weighted average price of $17.51 per share, executed in multiple transactions at prices ranging from $17.44 to $17.53. After the sale, the reporting person beneficially owned 106,489 shares, which includes restricted stock units that remain subject to vesting. The filing notes the seller will provide, upon request, full detail on the number of shares sold at each price within the reported range.

Positive

• None.

Negative

• Insider sale disclosed: 39,155 shares sold on 08/20/2025 at a weighted average price of $17.51 per share

Insights

Financial Analyst

TL;DR: Insider sale of 39,155 shares by the company’s chief accounting officer; impact appears informational rather than strategic.

The Form 4 discloses a single series of open-market dispositions totaling 39,155 shares at a weighted average price of $17.51 on 08/20/2025. This reduces the reporting person’s direct holdings to 106,489 shares, which include RSUs that remain unvested. For investors, such filings are routine disclosures of insider liquidity and do not by themselves indicate company performance changes or material governance events. The transaction range and the offering to provide per-price allocation are consistent with multi-trade sales executed over a short period.

Corporate Governance Expert

TL;DR: Transaction is a standard insider sale by an officer; no governance red flags disclosed.

The report identifies the reporting person as an officer and discloses the sale details and remaining beneficial ownership, including unvested RSUs. There is no indication of related-party transactions, accelerated vesting, or changes to officer status in the document. From a governance perspective, the Form 4 fulfills disclosure obligations and presents no explicit concerns about control, conflicts, or unusual compensation-related actions based on the information provided.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Pearce Sheri

(Last) (First) (Middle)

1615 WYNKOOP STREET

(Street)

DENVER CO 80202

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Antero Midstream Corp [ AM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

3. Date of Earliest Transaction (Month/Day/Year)
08/20/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common stock, par value $0.01 per share	08/20/2025		S		39,155	D	$17.51(1)	106,489(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.44 to $17.53, inclusive. The reporting person undertakes to provide Antero Midstream Corporation (the "Issuer"), 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).

2. Includes 106,489 shares of Common Stock subject to previously granted RSUs that remain subject to vesting.

Remarks:

Senior Vice President - Accounting and Chief Accounting Officer

	/s/ Yvette K. Schultz, as attorney-in-fact for Sheri Pearce	08/21/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What transaction did Antero Midstream (AM) insider Sheri Pearce report?

Sheri Pearce reported the sale of 39,155 shares of AM common stock on 08/20/2025 at a weighted average price of $17.51.

How many AM shares does Sheri Pearce beneficially own after the reported transaction?

106,489 shares beneficially owned following the sale, which includes restricted stock units that remain subject to vesting.

What price range were the reported AM shares sold at?

Sales occurred at prices ranging from $17.44 to $17.53; the Form 4 reports a weighted average price of $17.51 and offers to provide per-price allocations on request.

What is Sheri Pearce’s role at Antero Midstream stated in the filing?

Senior Vice President - Accounting and Chief Accounting Officer.

Does the filing indicate any changes to officer status or unusual compensation events?

No such changes or events are disclosed in the provided Form 4 content.