Catherine A. Green - 12 Feb 2026 Form 4 Insider Report for Western Midstream Partners, LP (WES)

Role
SVP & Chief Accounting Officer
Signature
/s/ Philip C. Neisel, as attorney-in-fact
Issuer symbol
WES
Transactions as of
12 Feb 2026
Net transactions value
-$42,542,274
Form type
4
Filing time
13 Feb 2026, 17:18:26 UTC
Previous filing
21 Feb 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Green Catherine A. SVP & Chief Accounting Officer 9950 WOODLOCH FOREST DR., THE WOODLANDS /s/ Philip C. Neisel, as attorney-in-fact 13 Feb 2026 0001791874

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 +7,018 +9.1% $0.000000 83,733 12 Feb 2026 Direct
transaction WES Common Units representing limited partner interests Tax liability $116,971 -2,762 -3.3% $42.35 80,971 12 Feb 2026 Direct
transaction WES Common Units representing limited partner interests Options Exercise $0 +11,952 +15% $0.000000 92,923 12 Feb 2026 Direct
transaction WES Common Units representing limited partner interests Tax liability $199,214 -4,704 -5.1% $42.35 88,219 12 Feb 2026 Direct
transaction WES Common Units representing limited partner interests Options Exercise $0 +8,008 +9.1% $0.000000 96,227 12 Feb 2026 Direct
transaction WES Common Units representing limited partner interests Tax liability $133,487 -3,152 -3.3% $42.35 93,075 12 Feb 2026 Direct
transaction WES Common Units representing limited partner interests Options Exercise $0 +16,421 +18% $0.000000 109,496 12 Feb 2026 Direct
transaction WES Common Units representing limited partner interests Tax liability $41,757,444 -6,462 -5.9% $6462.00 103,034 12 Feb 2026 Direct
transaction WES Common Units representing limited partner interests Options Exercise $0 +19,916 +19% $0.000000 122,950 12 Feb 2026 Direct
transaction WES Common Units representing limited partner interests Tax liability $335,158 -7,914 -6.4% $42.35 115,036 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 2023 Phantom Units Options Exercise $0 -7,018 -100% $0.000000 0 12 Feb 2026 Common Units representing limited partner interests 7,018 Direct F1, F2
transaction WES 2023 Performance Unit - TUR Options Exercise $0 -16,421 -100% $0.000000 0 12 Feb 2026 Common Units representing limited partner interests 16,421 Direct F3
transaction WES 2023 Performance Unit - ROA Options Exercise $0 -19,916 -100% $0.000000 0 12 Feb 2026 Common Units representing limited partner interests 19,916 Direct F3
transaction WES 2024 Phantom Units Options Exercise $0 -11,952 -50% $0.000000 11,951 12 Feb 2026 Common Units representing limited partner interests 11,952 Direct F1, F2
transaction WES 2025 Phantom Units Options Exercise $0 -8,008 -33% $0.000000 16,013 12 Feb 2026 Common Units representing limited partner interests 8,008 Direct F1, F2
transaction WES 2026 Phantom Units Award $0 +23,613 $0.000000 23,613 12 Feb 2026 Common Units representing limited partner interests 23,613 Direct F1, F2
transaction WES 2026 Performance Unit - TUR Award $0 +11,806 $0.000000 11,806 12 Feb 2026 Common Units representing limited partner interests 11,806 Direct F4
transaction WES 2026 Performance Unit - ROA Award $0 +11,806 $0.000000 11,806 12 Feb 2026 Common Units representing limited partner interests 11,806 Direct F4
holding WES 2024 Performance Unit - TUR 17,928 12 Feb 2026 Common Units representing limited partner interests 17,928 Direct F3
holding WES 2024 Performance Unit - ROA 17,928 12 Feb 2026 Common Units representing limited partner interests 17,928 Direct F3
holding WES 2025 Performance Unit-TUR 12,011 12 Feb 2026 Common Units representing limited partner interests 12,011 Direct F3
holding WES 2025 Performance Unit-ROA 12,011 12 Feb 2026 Common Units representing limited partner interests 12,011 Direct F3
* 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 February 12th of each year, and will pay distribution equivalent rights in cash on a current basis.
F3 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.
F4 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.