OCCIDENTAL PETROLEUM CORP /DE/ - 16 Jan 2026 SCHEDULE 13D/A Report for Western Midstream Partners, LP Common Units Representing Limited Partner Interests (WES)

Filing Manager
OCCIDENTAL PETROLEUM CORP /DE/
Reporting Manager
Occidental Petroleum Corporation
Security
Western Midstream Partners, LP Common Units Representing Limited Partner Interests
Symbol
WES
Shares outstanding
408,082,704 shares
Disclosed Ownership
165,681,578 shares
Ownership
41%
Form type
SCHEDULE 13D/A
Filing time
21 Jan 2026, 20:42:11 UTC
Date of event
16 Jan 2026
SEC
View on sec.gov

Reporting Managers (11)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Occidental Petroleum Corporation 41% 165,681,578 0 165,681,578 /s/ Nicole E. Clark Nicole E. Clark/Vice President, Corporate Secretary and Chief Compliance Officer 0000797468
OXY USA Inc. 41% 165,681,578 0 165,681,578 /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary
OXY Oil Partners, Inc. 41% 165,681,578 0 165,681,578 /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary
Baseball Merger Sub 2, Inc. 41% 165,681,578 0 165,681,578 /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary
Anadarko Petroleum Corporation 41% 165,681,578 0 165,681,578 /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary
Western Gas Resources, Inc. 38% 156,677,369 0 156,677,369 /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary
APC Midstream Holdings, LLC 0.1% 457,849 0 457,849 /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary
Anadarko Holding Company 2.2% 9,004,209 0 9,004,209 /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary
Kerr-McGee Corporation 2.2% 9,004,209 0 9,004,209 /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary
Kerr-McGee Worldwide Corporation 2.2% 9,004,209 0 9,004,209 /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary
Anadarko USH1 Corporation 2.2% 9,004,209 0 9,004,209 /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary