Tapewire

NYSE · USD

WES

Western Midstream Partners, LP

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Tapewire entity
3258
SEC CIK
0001423902
Parsed reports
266

Last 12 months

Inside the activity.

2 purchase rows · 1 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202600
Feb 202601
Mar 202610
Apr 202600
May 202600
Jun 202600
Jul 202600
Aug 202610
Sep 202600
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
August 12, 2026 Filed Aug 12, 2026 20:13 UTC PurchaseCommon Units representing limited partner interests 5,140 $48.62 $249,906.80
Disclosure

SEC source: 0001423902-26-000095 · wk-form4_1786565634.xml · nonDerivative · entry 1

Forthuber Frederick A. · CIK 0001901995 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,140

Read SEC document
March 11, 2026 Filed Mar 12, 2026 16:00 UTC PurchaseCommon Units representing limited partner interests 1,250 $40.19 $50,237.50
Disclosure

SEC source: 0000901496-26-000002 · wk-form4_1773345643.xml · nonDerivative · entry 1

PHILLIPS ROBERT G · CIK 0000901496 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,296

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC GrantPhantom Units · Derivative 3,778 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000014 · wk-form4_1771021492.xml · derivative · entry 3

PHILLIPS ROBERT G · CIK 0000901496 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,778

Underlying: Common Units representing limited partner interests · 3,778 shares

Expires 2027-02-12

F1 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC Exercise / conversionPhantom Units · Derivative 4,046 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000014 · wk-form4_1771021492.xml · derivative · entry 2

PHILLIPS ROBERT G · CIK 0000901496 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units representing limited partner interests · 4,046 shares

Expires 2026-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC Exercise / conversionCommon Units representing limited partner interests 4,046 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000014 · wk-form4_1771021492.xml · nonDerivative · entry 1

PHILLIPS ROBERT G · CIK 0000901496 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,046

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:26 UTC Exercise / conversionPhantom Units · Derivative 3,843 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000017 · wk-form4_1771021572.xml · derivative · entry 3

SCHULTE DAVID J · CIK 0001107140 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units representing limited partner interests · 3,843 shares

Expires 2026-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:26 UTC GrantPhantom Units · Derivative 3,778 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000017 · wk-form4_1771021572.xml · derivative · entry 2

SCHULTE DAVID J · CIK 0001107140 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,778

Underlying: Common Units representing limited partner interests · 3,778 shares

Expires 2027-02-12

F1 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:26 UTC Exercise / conversionCommon Units representing limited partner interests 3,843 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000017 · wk-form4_1771021572.xml · nonDerivative · entry 1

SCHULTE DAVID J · CIK 0001107140 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,072

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Grant2026 Performance Unit - ROA · Derivative 16,234 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · derivative · entry 22

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,234

Underlying: Common Units representing limited partner interests · 16,234 shares

Expires 2029-02-12

F4 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Grant2026 Performance Unit - TUR · Derivative 16,234 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · derivative · entry 21

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,234

Underlying: Common Units representing limited partner interests · 16,234 shares

Expires 2029-02-12

F4 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Grant2026 Phantom Units · Derivative 32,468 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · derivative · entry 20

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,468

Underlying: Common Units representing limited partner interests · 32,468 shares

Expires 2029-02-12

F1 · derivative.exercise_price: 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 · derivative.exercise_date: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Exercise / conversion2025 Phantom Units · Derivative 10,009 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · derivative · entry 17

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,017

Underlying: Common Units representing limited partner interests · 10,009 shares

Expires 2028-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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 · derivative.exercise_date: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Exercise / conversion2024 Phantom Units · Derivative 14,940 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · derivative · entry 14

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,939

Underlying: Common Units representing limited partner interests · 14,940 shares

Expires 2027-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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 · derivative.exercise_date: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Exercise / conversion2023 Performance Unit - ROA · Derivative 30,704 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · derivative · entry 13

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units representing limited partner interests · 30,704 shares

Expires 2026-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Exercise / conversion2023 Performance Unit - TUR · Derivative 25,316 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · derivative · entry 12

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units representing limited partner interests · 25,316 shares

Expires 2026-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Exercise / conversion2023 Phantom Units · Derivative 10,819 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · derivative · entry 11

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units representing limited partner interests · 10,819 shares

Expires 2026-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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 · derivative.exercise_date: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Tax withholdingCommon Units representing limited partner interests 12,124 $42.35 $513,451.40
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · nonDerivative · entry 10

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,015

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Exercise / conversionCommon Units representing limited partner interests 30,704 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · nonDerivative · entry 9

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 237,139

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Tax withholdingCommon Units representing limited partner interests 9,962 $42.35 $421,890.70
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · nonDerivative · entry 8

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 206,435

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Exercise / conversionCommon Units representing limited partner interests 25,316 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · nonDerivative · entry 7

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 216,397

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Tax withholdingCommon Units representing limited partner interests 3,939 $42.35 $166,816.65
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · nonDerivative · entry 6

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,081

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Exercise / conversionCommon Units representing limited partner interests 10,009 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · nonDerivative · entry 5

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 195,020

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
SaleCommon Units representing limited partner interests 5,879 $42.35 $248,975.65
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · nonDerivative · entry 4

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 185,011

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Exercise / conversionCommon Units representing limited partner interests 14,940 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · nonDerivative · entry 3

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,890

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Tax withholdingCommon Units representing limited partner interests 4,258 $42.35 $180,326.30
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · nonDerivative · entry 2

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 175,950

Read SEC document
February 12, 2026 Filed Feb 13, 2026 17:24 UTC
Dial Christopher B.SVP, GC and Secretary
Exercise / conversionCommon Units representing limited partner interests 10,819 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000013 · wk-form4_1771021453.xml · nonDerivative · entry 1

Dial Christopher B. · CIK 0001729009 · SVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,208

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:27 UTC
Brown Oscar KDirector · President & CEO
Grant2026 Performance Unit - ROA · Derivative 47,226 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000019 · wk-form4_1771021654.xml · derivative · entry 9

Brown Oscar K · CIK 0001715126 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,226

Underlying: Common Units representing limited partner interests · 47,226 shares

Expires 2029-02-12

F5 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:27 UTC
Brown Oscar KDirector · President & CEO
Grant2026 Performance Unit - TUR · Derivative 47,226 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000019 · wk-form4_1771021654.xml · derivative · entry 8

Brown Oscar K · CIK 0001715126 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,226

Underlying: Common Units representing limited partner interests · 47,226 shares

Expires 2029-02-12

F5 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:27 UTC
Brown Oscar KDirector · President & CEO
Grant2026 Phantom Units · Derivative 94,451 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000019 · wk-form4_1771021654.xml · derivative · entry 7

Brown Oscar K · CIK 0001715126 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,451

Underlying: Common Units representing limited partner interests · 94,451 shares

Expires 2029-02-12

F1 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:27 UTC
Brown Oscar KDirector · President & CEO
Exercise / conversion2025 Phantom Units · Derivative 24,022 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000019 · wk-form4_1771021654.xml · derivative · entry 4

Brown Oscar K · CIK 0001715126 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,041

Underlying: Common Units representing limited partner interests · 24,022 shares

Expires 2028-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:27 UTC
Brown Oscar KDirector · President & CEO
Tax withholdingCommon Units representing limited partner interests 10,510 $42.35 $445,098.50
Disclosure

SEC source: 0001423902-26-000019 · wk-form4_1771021654.xml · nonDerivative · entry 2

Brown Oscar K · CIK 0001715126 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,440

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:27 UTC
Brown Oscar KDirector · President & CEO
Exercise / conversionCommon Units representing limited partner interests 24,022 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000019 · wk-form4_1771021654.xml · nonDerivative · entry 1

Brown Oscar K · CIK 0001715126 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,950

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:25 UTC GrantPhantom Units · Derivative 3,778 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000016 · wk-form4_1771021546.xml · derivative · entry 1

Forthuber Frederick A. · CIK 0001901995 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,778

Underlying: Common Units representing limited partner interests · 3,778 shares

Expires 2027-02-12

F1 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:25 UTC GrantPhantom Units · Derivative 3,778 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000015 · wk-form4_1771021522.xml · derivative · entry 3

STEWART LISA A · CIK 0001244213 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,778

Underlying: Common Units representing limited partner interests · 3,778 shares

Expires 2027-02-12

F1 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:25 UTC Exercise / conversionPhantom Units · Derivative 3,843 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000015 · wk-form4_1771021522.xml · derivative · entry 2

STEWART LISA A · CIK 0001244213 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units representing limited partner interests · 3,843 shares

Expires 2026-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:25 UTC Exercise / conversionCommon Units representing limited partner interests 3,843 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000015 · wk-form4_1771021522.xml · nonDerivative · entry 1

STEWART LISA A · CIK 0001244213 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,772

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:22 UTC GrantPhantom Units · Derivative 3,778 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000011 · wk-form4_1771021328.xml · derivative · entry 3

Owen Kenneth F. · CIK 0001523426 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,778

Underlying: Common Units representing limited partner interests · 3,778 shares

Expires 2027-02-12

F1 · derivative.exercise_price: 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.

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February 12, 2026 Filed Feb 13, 2026 22:22 UTC Exercise / conversionPhantom Units · Derivative 3,843 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000011 · wk-form4_1771021328.xml · derivative · entry 2

Owen Kenneth F. · CIK 0001523426 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units representing limited partner interests · 3,843 shares

Expires 2026-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

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February 12, 2026 Filed Feb 13, 2026 22:22 UTC Exercise / conversionCommon Units representing limited partner interests 3,843 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000011 · wk-form4_1771021328.xml · nonDerivative · entry 1

Owen Kenneth F. · CIK 0001523426 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,772

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:20 UTC
Holderman Daniel P.SVP & Chief Operating Officer
Grant2026 Performance Unit - ROA · Derivative 17,710 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000009 · wk-form4_1771021244.xml · derivative · entry 22

Holderman Daniel P. · CIK 0001942513 · SVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,710

Underlying: Common Units representing limited partner interests · 17,710 shares

Expires 2029-02-12

F4 · derivative.exercise_price: 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.

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February 12, 2026 Filed Feb 13, 2026 22:20 UTC
Holderman Daniel P.SVP & Chief Operating Officer
Grant2026 Performance Unit - TUR · Derivative 17,710 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000009 · wk-form4_1771021244.xml · derivative · entry 21

Holderman Daniel P. · CIK 0001942513 · SVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,710

Underlying: Common Units representing limited partner interests · 17,710 shares

Expires 2029-02-12

F4 · derivative.exercise_price: 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.

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February 12, 2026 Filed Feb 13, 2026 22:20 UTC
Holderman Daniel P.SVP & Chief Operating Officer
Grant2026 Phantom Units · Derivative 35,419 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000009 · wk-form4_1771021244.xml · derivative · entry 20

Holderman Daniel P. · CIK 0001942513 · SVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,419

Underlying: Common Units representing limited partner interests · 35,419 shares

Expires 2029-02-12

F1 · derivative.exercise_price: 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 · derivative.exercise_date: 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.

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February 12, 2026 Filed Feb 13, 2026 22:20 UTC
Holderman Daniel P.SVP & Chief Operating Officer
Exercise / conversion2025 Phantom Units · Derivative 10,009 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000009 · wk-form4_1771021244.xml · derivative · entry 17

Holderman Daniel P. · CIK 0001942513 · SVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,017

Underlying: Common Units representing limited partner interests · 10,009 shares

Expires 2028-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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 · derivative.exercise_date: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:20 UTC
Holderman Daniel P.SVP & Chief Operating Officer
Exercise / conversion2024 Phantom Units · Derivative 14,940 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000009 · wk-form4_1771021244.xml · derivative · entry 14

Holderman Daniel P. · CIK 0001942513 · SVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,939

Underlying: Common Units representing limited partner interests · 14,940 shares

Expires 2027-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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 · derivative.exercise_date: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:20 UTC
Holderman Daniel P.SVP & Chief Operating Officer
Exercise / conversion2023 Performance Unit - ROA · Derivative 30,704 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000009 · wk-form4_1771021244.xml · derivative · entry 13

Holderman Daniel P. · CIK 0001942513 · SVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units representing limited partner interests · 30,704 shares

Expires 2026-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:20 UTC
Holderman Daniel P.SVP & Chief Operating Officer
Exercise / conversion2023 Performance Unit - TUR · Derivative 25,316 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000009 · wk-form4_1771021244.xml · derivative · entry 12

Holderman Daniel P. · CIK 0001942513 · SVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units representing limited partner interests · 25,316 shares

Expires 2026-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:20 UTC
Holderman Daniel P.SVP & Chief Operating Officer
Exercise / conversion2023 Phantom Units · Derivative 10,819 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000009 · wk-form4_1771021244.xml · derivative · entry 11

Holderman Daniel P. · CIK 0001942513 · SVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units representing limited partner interests · 10,819 shares

Expires 2026-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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 · derivative.exercise_date: 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.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:20 UTC
Holderman Daniel P.SVP & Chief Operating Officer
Tax withholdingCommon Units representing limited partner interests 12,114 $42.35 $513,027.90
Disclosure

SEC source: 0001423902-26-000009 · wk-form4_1771021244.xml · nonDerivative · entry 10

Holderman Daniel P. · CIK 0001942513 · SVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,384

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:20 UTC
Holderman Daniel P.SVP & Chief Operating Officer
Exercise / conversionCommon Units representing limited partner interests 30,704 $0.00 $0.00
Disclosure

SEC source: 0001423902-26-000009 · wk-form4_1771021244.xml · nonDerivative · entry 9

Holderman Daniel P. · CIK 0001942513 · SVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,498

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 12, 2026 Filed Feb 13, 2026 22:20 UTC
Holderman Daniel P.SVP & Chief Operating Officer
Tax withholdingCommon Units representing limited partner interests 9,962 $42.35 $421,890.70
Disclosure

SEC source: 0001423902-26-000009 · wk-form4_1771021244.xml · nonDerivative · entry 8

Holderman Daniel P. · CIK 0001942513 · SVP & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,794

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.