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Units","published_at":"2026-02-13T17:24:16.000Z","date":"2026-02-12","kind":"exercise","planned":false,"acquired":false,"shares":10819,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."}],"balance_after":0,"derivative":{"expiration_date":"2026-02-12","underlying":"Common Units representing limited partner 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interests","published_at":"2026-02-13T17:24:16.000Z","date":"2026-02-12","kind":"exercise","planned":false,"acquired":true,"shares":10819,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":180208,"source":{"system":"sec-edgar","filing":"0001423902-26-000013","document":"wk-form4_1771021453.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1729009/000142390226000013/wk-form4_1771021453.xml","form_type":"4"}},{"id":918433,"issuer":{"id":3258,"kind":"organization","name":"Western Midstream Partners, LP"},"owners":[{"id":2999,"kind":"organization","name":"OCCIDENTAL PETROLEUM CORP /DE/","symbol":"OXY","position":1,"cik":"0000797468","reported_name":"OCCIDENTAL PETROLEUM CORP /DE/","relationship":{"ten_percent_owner":true}},{"id":67626,"kind":"organization","name":"WESTERN GAS RESOURCES INC","position":2,"cik":"0000856716","reported_name":"WESTERN GAS RESOURCES INC","relationship":{"ten_percent_owner":true}},{"id":67627,"kind":"organization","name":"APC Midstream Holdings, LLC","position":3,"cik":"0001601306","reported_name":"APC Midstream Holdings, LLC","relationship":{"ten_percent_owner":true}},{"id":67628,"kind":"organization","name":"Kerr-McGee Worldwide Corp","position":4,"cik":"0001699285","reported_name":"Kerr-McGee Worldwide Corp","relationship":{"ten_percent_owner":true}},{"id":67629,"kind":"organization","name":"Anadarko USH1 Corp","position":5,"cik":"0001824936","reported_name":"Anadarko USH1 Corp","relationship":{"ten_percent_owner":true}},{"id":67630,"kind":"organization","name":"KERR MCGEE CORP /DE","position":6,"cik":"0001141185","reported_name":"KERR MCGEE CORP /DE","relationship":{"ten_percent_owner":true}}],"security":"COMMON UNITS (LIMITED PARTNER INTERESTS)","published_at":"2026-02-05T22:32:37.000Z","date":"2026-02-03","kind":"other","planned":false,"acquired":false,"shares":15307402,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On January 16, 2026, Western Gas Resources, Inc. (\"WGRI\") entered into a Unit Redemption Agreement with the Issuer and the other parties thereto, pursuant to which WGRI transferred and surrendered on February 3, 2026 an aggregate of 15,307,402 common units representing limited partner interests in the Issuer (the \"Common Units\") to the Issuer in connection with certain amendments to existing operating agreements, as described in the Unit Redemption Agreement."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On January 16, 2026, Western Gas Resources, Inc. (\"WGRI\") entered into a Unit Redemption Agreement with the Issuer and the other parties thereto, pursuant to which WGRI transferred and surrendered on February 3, 2026 an aggregate of 15,307,402 common units representing limited partner interests in the Issuer (the \"Common Units\") to the Issuer in connection with certain amendments to existing operating agreements, as described in the Unit Redemption Agreement."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Following the transaction reported herein, WGRI holds 140,912,118 Common Units, APC Midstream Holdings, LLC (\"APCMH\") holds 457,849 Common Units and Anadarko USH1 Corporation (\"AUSHI\") holds 9,004,209 Common Units. WGRI also is the sole member of Western Midstream Holdings, LLC, the 2% economic general partner of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"OXY USA Inc. (\"OXY USA\") is a wholly owned subsidiary of Occidental Petroleum Corporation (\"Occidental\"). OXY USA owns 100% of the outstanding common stock of OXY Oil Partners, Inc. (\"OOP\"). OOP owns 100% of the outstanding common stock of Baseball Merger Sub 2, Inc. (\"BMS\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Anadarko Petroleum Corporation (\"APC\") is a wholly owned subsidiary of BMS. APC owns (i) 100% of Anadarko Holding Company (\"AHC\") and (ii) indirectly, 100% of the common stock of WGRI and Kerr-McGee Corporation (\"KMG\"). WGRI is the sole member of APCMH. KMG and AHC together own 100% of the common stock of Kerr-McGee Worldwide Corporation (\"KMWW\"), and APC and KMWW together indirectly own 100% of the common stock of AUSH1. Accordingly, OXY USA, OOP, BMS, APC, AHC, WGRI, AUSH1, KMG, APCMH and KMWW are all direct or indirect wholly owned subsidiaries of Occidental."}],"balance_after":150374176,"source":{"system":"sec-edgar","filing":"0001140361-26-003922","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/797468/000114036126003922/form4.xml","form_type":"4"}},{"id":918573,"issuer":{"id":3258,"kind":"organization","name":"Western Midstream Partners, LP"},"owners":[{"id":2999,"kind":"organization","name":"OCCIDENTAL PETROLEUM CORP /DE/","symbol":"OXY","position":1,"cik":"0000797468","reported_name":"OCCIDENTAL PETROLEUM CORP /DE/","relationship":{"ten_percent_owner":true}},{"id":67644,"kind":"organization","name":"OXY USA INC","position":2,"cik":"0000728399","reported_name":"OXY USA INC","relationship":{"ten_percent_owner":true}},{"id":67645,"kind":"organization","name":"OXY Oil Partners, Inc.","position":3,"cik":"0001785615","reported_name":"OXY Oil Partners, Inc.","relationship":{"ten_percent_owner":true}},{"id":67646,"kind":"organization","name":"Baseball Merger Sub 2, Inc.","position":4,"cik":"0001785593","reported_name":"Baseball Merger Sub 2, Inc.","relationship":{"ten_percent_owner":true}},{"id":67647,"kind":"organization","name":"ANADARKO PETROLEUM CORP","position":5,"cik":"0000773910","reported_name":"ANADARKO PETROLEUM CORP","relationship":{"ten_percent_owner":true}},{"id":67648,"kind":"organization","name":"ANADARKO HOLDING Co","position":6,"cik":"0001570992","reported_name":"ANADARKO HOLDING Co","relationship":{"ten_percent_owner":true}}],"security":"COMMON UNITS (LIMITED PARTNER INTERESTS)","published_at":"2026-02-05T17:34:29.000Z","date":"2026-02-03","kind":"other","planned":false,"acquired":false,"shares":15307402,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On January 16, 2026, Western Gas Resources, Inc. (\"WGRI\") entered into a Unit Redemption Agreement with the Issuer and the other parties thereto, pursuant to which WGRI transferred and surrendered on February 3, 2026 an aggregate of 15,307,402 common units representing limited partner interests in the Issuer (the \"Common Units\") to the Issuer in connection with certain amendments to existing operating agreements, as described in the Unit Redemption Agreement."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On January 16, 2026, Western Gas Resources, Inc. (\"WGRI\") entered into a Unit Redemption Agreement with the Issuer and the other parties thereto, pursuant to which WGRI transferred and surrendered on February 3, 2026 an aggregate of 15,307,402 common units representing limited partner interests in the Issuer (the \"Common Units\") to the Issuer in connection with certain amendments to existing operating agreements, as described in the Unit Redemption Agreement."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Following the transaction reported herein, WGRI holds 140,912,118 Common Units, APC Midstream Holdings, LLC (\"APCMH\") holds 457,849 Common Units and Anadarko USH1 Corporation (\"AUSHI\") holds 9,004,209 Common Units. WGRI also is the sole member of Western Midstream Holdings, LLC, the 2% economic general partner of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"OXY USA Inc. (\"OXY USA\") is a wholly owned subsidiary of Occidental Petroleum Corporation (\"Occidental\"). OXY USA owns 100% of the outstanding common stock of OXY Oil Partners, Inc. (\"OOP\"). OOP owns 100% of the outstanding common stock of Baseball Merger Sub 2, Inc. (\"BMS\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Anadarko Petroleum Corporation (\"APC\") is a wholly owned subsidiary of BMS. APC owns (i) 100% of Anadarko Holding Company (\"AHC\") and (ii) indirectly, 100% of the common stock of WGRI and Kerr-McGee Corporation (\"KMG\"). WGRI is the sole member of APCMH. KMG and AHC together own 100% of the common stock of Kerr-McGee Worldwide Corporation (\"KMWW\"), and APC and KMWW together indirectly own 100% of the common stock of AUSH1. Accordingly, OXY USA, OOP, BMS, APC, AHC, WGRI, AUSH1, KMG, APCMH and KMWW are all direct or indirect wholly owned subsidiaries of Occidental."}],"balance_after":150374176,"source":{"system":"sec-edgar","filing":"0001140361-26-003924","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/728399/000114036126003924/form4.xml","form_type":"4"}},{"id":1012001,"issuer":{"id":3258,"kind":"organization","name":"Western Midstream Partners, LP"},"owners":[{"id":66488,"kind":"person","name":"Brown Oscar K","position":1,"cik":"0001715126","reported_name":"Brown Oscar K","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"2024 Phantom 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Units","published_at":"2025-05-19T17:02:29.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":4046,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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."}],"balance_after":4046,"derivative":{"exercise_date":"2026-02-12","expiration_date":"2026-02-12","underlying":"Common Units representing limited partner interests","underlying_shares":4046},"source":{"system":"sec-edgar","filing":"0001423902-25-000054","document":"wk-form4_1747688542.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/901496/000142390225000054/wk-form4_1747688542.xml","form_type":"4"}}],"next_cursor":"2025-05-19T17:02:29.000000Z,1143819"}