Westerman Interests, Inc. - 12 Jan 2026 Form 3 Insider Report for USA Compression Partners, LP (USAC)

Role: 10%+ Owner
Signature: /s/ Avril Westerman
Issuer symbol: USAC
Transactions as of: 12 Jan 2026
Net transactions value: $0
Form type: 3
Filing time: 14 Jan 2026, 13:28:55 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Westerman Interests, Inc.	10%+ Owner	16479 N. DALLAS PARKWAY, STE 110, LB-14, ADDISON	/s/ Avril Westerman	14 Jan 2026	0002103027

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	USAC	Common Units Representing Limited Partner Interests						18,175,323	12 Jan 2026	By virtue of serving as the sole general partner of Westerman, Ltd.	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Westerman, Ltd. ("Westerman LP") received the Common Units reported in this Form 3 as part of the consideration under that certain Stock Purchase Agreement (the "Purchase Agreement"), dated November 29, 2025, among the Issuer, USA Compression Partners, LLC, a wholly owned subsidiary of the Issuer (the "Buyer"), Westerman LP, J-W Energy Company ("J-W Energy") and J-W Power Company, pursuant to which the Buyer agreed to purchase all of the issued and outstanding capital stock of J-W Energy from Westerman LP for an aggregate purchase price of approximately $860.0 million, subject to certain customary adjustments as set forth in the Purchase Agreement (the "Acquisition"), consisting of (i) $430.0 million of cash and (ii) Common Units of the USA Compression Partners, LP with a value of approximately $430.0 million. The Acquisition closed on January 12, 2025 (the "Closing").
F2	The reported Common Units are held of record by Westerman, Ltd. Westerman Interests, Inc., as the sole general partner of Westerman, Ltd., may be deemed to beneficially own the Common Units held directly by Westerman, Ltd. by virtue of its power to direct the voting and disposition of such securities. Westerman Interests, Inc. disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

Content

Westerman, Ltd. ("Westerman LP") received the Common Units reported in this Form 3 as part of the consideration under that certain Stock Purchase Agreement (the "Purchase Agreement"), dated November 29, 2025, among the Issuer, USA Compression Partners, LLC, a wholly owned subsidiary of the Issuer (the "Buyer"), Westerman LP, J-W Energy Company ("J-W Energy") and J-W Power Company, pursuant to which the Buyer agreed to purchase all of the issued and outstanding capital stock of J-W Energy from Westerman LP for an aggregate purchase price of approximately $860.0 million, subject to certain customary adjustments as set forth in the Purchase Agreement (the "Acquisition"), consisting of (i) $430.0 million of cash and (ii) Common Units of the USA Compression Partners, LP with a value of approximately $430.0 million. The Acquisition closed on January 12, 2025 (the "Closing").

The reported Common Units are held of record by Westerman, Ltd. Westerman Interests, Inc., as the sole general partner of Westerman, Ltd., may be deemed to beneficially own the Common Units held directly by Westerman, Ltd. by virtue of its power to direct the voting and disposition of such securities. Westerman Interests, Inc. disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.