[Form 4] Western Midstream Partners, LP Insider Trading Activity

Rhea-AI Filing Summary

Western Midstream Partners executive Catherine A. Green, SVP & Chief Accounting Officer, reported multiple equity compensation transactions in common units on February 12, 2026. She acquired WES common units through the exercise and conversion of previously granted phantom and performance units at an exercise price of $0 per unit, then had a portion of those units disposed of under code "F" to cover tax liabilities at prices including $42.35 per unit.

Following these transactions, she directly held 115,036 common units. Green also received new awards of 23,613 2026 Phantom Units and 11,806 each of 2026 Performance Units (TUR and ROA), which can convert into common units (or cash) depending on time-based vesting and three-year performance goals that can result in between 0% and 200% payout per unit.

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^*

Green Catherine A.

(Last) (First) (Middle)

9950 WOODLOCH FOREST DR.

(Street)

THE WOODLANDS TX 77380

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Western Midstream Partners, LP [ WES ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP & Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/12/2026

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 Units representing limited partner interests	02/12/2026		M		7,018	A	$0	83,733	D
Common Units representing limited partner interests	02/12/2026		F		2,762	D	$42.35	80,971	D
Common Units representing limited partner interests	02/12/2026		M		11,952	A	$0	92,923	D
Common Units representing limited partner interests	02/12/2026		F		4,704	D	$42.35	88,219	D
Common Units representing limited partner interests	02/12/2026		M		8,008	A	$0	96,227	D
Common Units representing limited partner interests	02/12/2026		F		3,152	D	$42.35	93,075	D
Common Units representing limited partner interests	02/12/2026		M		16,421	A	$0	109,496	D
Common Units representing limited partner interests	02/12/2026		F		6,462	D	$6,462	103,034	D
Common Units representing limited partner interests	02/12/2026		M		19,916	A	$0	122,950	D
Common Units representing limited partner interests	02/12/2026		F		7,914	D	$42.35	115,036	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
2023 Phantom Units	(1)	02/12/2026		M			7,018	(2)	02/12/2026	Common Units representing limited partner interests	7,018	$0	0	D
2023 Performance Unit - TUR	(3)	02/12/2026		M			16,421	02/12/2026	02/12/2026	Common Units representing limited partner interests	16,421	$0	0	D
2023 Performance Unit - ROA	(3)	02/12/2026		M			19,916	02/12/2026	02/12/2026	Common Units representing limited partner interests	19,916	$0	0	D
2024 Phantom Units	(1)	02/12/2026		M			11,952	(2)	02/12/2027	Common Units representing limited partner interests	11,952	$0	11,951	D
2024 Performance Unit - TUR	(3)							02/12/2027	02/12/2027	Common Units representing limited partner interests	17,928		17,928	D
2024 Performance Unit - ROA	(3)							02/12/2027	02/12/2027	Common Units representing limited partner interests	17,928		17,928	D
2025 Phantom Units	(1)	02/12/2026		M			8,008	(2)	02/12/2028	Common Units representing limited partner interests	8,008	$0	16,013	D
2025 Performance Unit-TUR	(3)							02/12/2028	02/12/2028	Common Units representing limited partner interests	12,011		12,011	D
2025 Performance Unit-ROA	(3)							02/12/2028	02/12/2028	Common Units representing limited partner interests	12,011		12,011	D
2026 Phantom Units	(1)	02/12/2026		A		23,613		(2)	02/12/2029	Common Units representing limited partner interests	23,613	$0	23,613	D
2026 Performance Unit - TUR	(4)	02/12/2026		A		11,806		02/12/2029	02/12/2029	Common Units representing limited partner interests	11,806	$0	11,806	D
2026 Performance Unit - ROA	(4)	02/12/2026		A		11,806		02/12/2029	02/12/2029	Common Units representing limited partner interests	11,806	$0	11,806	D

Explanation of Responses:

1. Each Phantom Unit is the economic equivalent of one WES Common Unit representing limited partnership interests, and upon vesting, will entitle the holder to receive a common unit or, at the discretion of the Board of Directors of the General Partner, cash equal to the Fair Market Value of a Common Unit.

2. These Phantom Units vest ratably over a three-year period on February 12th of each year, and will pay distribution equivalent rights in cash on a current basis.

3. Each performance-based unit represents the right to receive, following vesting, between 0% and 200% of one WES Common Unit based upon the achievement of pre-established performance metrics over a 3-year performance period.

4. Each performance-based unit represents the right to receive, following vesting, between 0% and 200% of one WES Common Unit (or cash equivalent) based upon the achievement of pre-established performance metrics over a 3-year performance period.

Remarks:

	/s/ Philip C. Neisel, as attorney-in-fact	02/13/2026
	** Signature of Reporting Person	Date
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