USA Compression (NYSE: USAC) COO reports phantom unit vesting and sales

Rhea-AI Filing Summary

USA Compression Partners insider activity: A senior officer of USA Compression Partners, LP reported transactions in common units tied to vesting of phantom units on 12/19/2025. The officer acquired 8,038 common units and 13,065 common units through the settlement of phantom units, then disposed of 4,019 units and 6,533 units at a price of $24.27 per unit. Following these transactions, the officer directly beneficially owned 89,711 common units.

Each phantom unit is economically equivalent to one common unit. A 2020 phantom unit grant vested in full on 12/5/2025, and a 2022 grant vests 60% on 12/5/2025 and 40% on 12/5/2027. Unvested phantom units are forfeited if the officer’s service ends.

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

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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^*

Wauson Christopher J.

(Last) (First) (Middle)

8115 PRESTON ROAD, SUITE 700

(Street)

DALLAS TX 75225

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
USA Compression Partners, LP [ USAC ]

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)
12/19/2025

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 Units	12/19/2025		M		8,038	A	(1)(2)	87,198	D
Common Units	12/19/2025		D		4,019	D	$24.27	83,179	D
Common Units	12/19/2025		M		13,065	A	(1)(2)	96,244	D
Common Units	12/19/2025		D		6,533	D	$24.27	89,711	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
Phantom Units(3)	(1)(2)	12/19/2025		M			8,038	(4)	(4)	Common Units	8,038	(1)(2)	0	D
Phantom Units(5)	(1)(2)	12/19/2025		M			13,065	(6)	(7)	Common Units	13,065	(1)(2)	8,709	D

Explanation of Responses:

1. Each phantom unit is the economic equivalent of one common unit of USA Compression Partners, LP (the "Issuer").

2. The Reporting Person settled approximately 50% of his newly vested phantom units for cash and the rest for common units.

3. These phantom units were awarded on December 5, 2020.

4. These phantom units vested in full on December 5, 2025.

5. These phantom units were granted on December 5, 2022.

6. These phantom units vest incrementally, with 60% vesting on December 5, 2025 and 40% vesting on December 5, 2027.

7. In the event of the cessation of the Reporting Person's service for any reason, all phantom units that have not vested prior to or in connection with such cessation of service shall automatically be forfeited.

Remarks:

The Reporting Person is the Vice President and Chief Operating Officer of USA Compression GP, LLC, the general partner of the Issuer (the "General Partner"). The Issuer is managed by the directors and executive officers of the General Partner.

	/s/ Christopher J. Wauson	12/19/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did USA Compression (USAC) report on 12/19/2025?

An officer of USA Compression Partners, LP reported acquiring 8,038 and 13,065 common units through phantom unit settlements and selling 4,019 and 6,533 common units at $24.27 per unit on 12/19/2025.

How many USA Compression (USAC) common units does the reporting person own after these transactions?

After the reported transactions, the officer directly beneficially owned 89,711 common units of USA Compression Partners, LP.

What are phantom units in the USA Compression (USAC) filing?

The filing states that each phantom unit is the economic equivalent of one common unit of USA Compression Partners, LP, settling in cash, common units, or a mix according to the award terms.

What is the vesting schedule for the USA Compression (USAC) phantom units?

Phantom units granted on December 5, 2020 vested in full on December 5, 2025. Phantom units granted on December 5, 2022 vest 60% on December 5, 2025 and 40% on December 5, 2027.

What happens to unvested USA Compression (USAC) phantom units if the officer leaves?

The filing explains that if the officer’s service ceases for any reason, all phantom units that have not vested before or in connection with that cessation are automatically forfeited.

What role does the reporting person hold at USA Compression (USAC)?

The reporting person is the Vice President and Chief Operating Officer of USA Compression GP, LLC, the general partner of USA Compression Partners, LP.