Oscar K. Brown - 12 Feb 2026 Form 4 Insider Report for Western Midstream Partners, LP (WES)

Signature
/s/ Philip C. Neisel, as attorney-in-fact
Issuer symbol
WES
Transactions as of
12 Feb 2026
Net transactions value
-$445,098
Form type
4
Filing time
13 Feb 2026, 17:27:37 UTC
Previous filing
29 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Brown Oscar K President & CEO, Director 9950 WOODLOCH FOREST DR., THE WOODLANDS /s/ Philip C. Neisel, as attorney-in-fact 13 Feb 2026 0001715126

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WES Common Units representing limited partner interests Options Exercise $0 +24,022 +33% $0.000000 95,950 12 Feb 2026 Direct
transaction WES Common Units representing limited partner interests Tax liability $445,098 -10,510 -11% $42.35 85,440 12 Feb 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction WES 2025 Phantom Units Options Exercise $0 -24,022 -33% $0.000000 48,041 12 Feb 2026 Common Units representing limited partner interests 24,022 Direct F1, F3
transaction WES 2026 Phantom Units Award $0 +94,451 $0.000000 94,451 12 Feb 2026 Common Units representing limited partner interests 94,451 Direct F1, F3
transaction WES 2026 Performance Unit - TUR Award $0 +47,226 $0.000000 47,226 12 Feb 2026 Common Units representing limited partner interests 47,226 Direct F5
transaction WES 2026 Performance Unit - ROA Award $0 +47,226 $0.000000 47,226 12 Feb 2026 Common Units representing limited partner interests 47,226 Direct F5
holding WES 2024 Phantom Units 105,318 12 Feb 2026 Common Units representing limited partner interests 105,318 Direct F1, F2
holding WES 2025 Performance Unit-TUR 36,032 12 Feb 2026 Common Units representing limited partner interests 36,032 Direct F4
holding WES 2025 Performance Unit-ROA 36,032 12 Feb 2026 Common Units representing limited partner interests 36,032 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 These Phantom Units vest ratably over a three-year period on October 28th each year, and will pay distribution equivalent rights in cash on a current basis.
F3 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.
F4 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.
F5 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.