Antero Midstream (AM) director sells 5,000 shares on open market

Rhea-AI Filing Summary

Antero Midstream Corp director Brooks J. Klimley reported an open-market sale of 5,000 shares of common stock on March 12, 2026 at an average price of $23.16 per share. After this transaction, he directly holds 69,680 shares of Antero Midstream common stock.

Insider Trade Summary

Net Seller: 5,000 shares ($115,800)

Net Sell 1 txn

Insider KLIMLEY BROOKS J

Role Director

Sold 5,000 shs ($116K)

Type	Security	Shares	Price	Value
Sale	Common stock, par value $0.01 per share	5,000	$23.16	$116K

Holdings After Transaction: Common stock, par value $0.01 per share — 69,680 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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
Estimated average burden
hours per response:			0.5

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^*

KLIMLEY BROOKS J

(Last) (First) (Middle)

9 SHERMAN AVENUE

(Street)

BRONXVILLE NY 10708

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/12/2026

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	03/12/2026		S		5,000	D	$23.16	69,680	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:

	/s/ Yvette K. Schultz, as attorney-in-fact for Brooks J. Klimley	03/12/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Antero Midstream (AM) disclose for Brooks J. Klimley?

Antero Midstream disclosed that director Brooks J. Klimley sold 5,000 shares of common stock in an open-market transaction. The sale occurred at an average price of $23.16 per share on March 12, 2026, according to the Form 4 filing.

How many Antero Midstream (AM) shares did Brooks J. Klimley sell and at what price?

Brooks J. Klimley sold 5,000 shares of Antero Midstream common stock at an average price of $23.16 per share. The transaction was reported as an open-market sale under code “S” in the Form 4 insider trading report.

How many Antero Midstream (AM) shares does Brooks J. Klimley hold after the reported sale?

Following the sale, Brooks J. Klimley directly holds 69,680 shares of Antero Midstream common stock. This figure reflects his direct ownership position immediately after the 5,000-share open-market sale disclosed in the Form 4 filing.

What does transaction code “S” mean in the Antero Midstream (AM) Form 4 for Brooks J. Klimley?

Transaction code “S” in the Form 4 indicates a sale of shares in the open market or a private transaction. In this case, it reflects Brooks J. Klimley’s 5,000-share disposition of Antero Midstream common stock on March 12, 2026.

Is Brooks J. Klimley’s ownership in Antero Midstream (AM) direct or indirect after this transaction?

After the transaction, Brooks J. Klimley’s reported ownership of 69,680 Antero Midstream shares is classified as direct. The Form 4 lists the nature of ownership as direct, with no separate indirect ownership entity disclosed in the provided data.