07/28/2025
4:18 PM | Occidental Petroleum (Filer)
| Form 424B2
Transaction specifc information for a delayed shelf offering | |
07/28/2025
4:20 PM | Occidental Petroleum (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
07/14/2025
6:00 AM | Occidental Petroleum (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/27/2025
3:30 PM | Occidental Petroleum (Filer)
| Form 11-K
Annual reports of employee stock purchase, savings and similar plans pursuant to Section 15(d) | |
05/09/2025
5:00 PM | GUTIERREZ CARLOS M (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/07/2025
5:03 PM | Occidental Petroleum (Issuer)
ONeill Claire (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/07/2025
5:04 PM | MOORE JACK B (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/07/2025
5:06 PM | Occidental Petroleum (Issuer)
Shearer Bob (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/07/2025
5:07 PM | Occidental Petroleum (Issuer)
Robinson Kenneth B. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/07/2025
5:08 PM | Occidental Petroleum (Issuer)
POLADIAN AVEDICK BARUYR (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/07/2025
5:10 PM | GUTIERREZ CARLOS M (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
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05/07/2025
5:11 PM | KLESSE WILLIAM R (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/07/2025
5:12 PM | GOULD ANDREW (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/07/2025
5:13 PM | BAILEY VICKY A (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/07/2025
3:16 PM | Occidental Petroleum (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
05/06/2025
4:21 PM | Occidental Petroleum (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/17/2025
4:03 PM | Occidental Petroleum (Filer)
| Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
04/07/2025
5:40 AM | Occidental Petroleum (Subject)
| Form SC TO-I/A | |
04/02/2025
8:10 PM | Mathew Sunil (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/02/2025
8:11 PM | KLESSE WILLIAM R (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/02/2025
8:12 PM | GOULD ANDREW (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/02/2025
8:15 PM | Occidental Petroleum (Issuer)
POLADIAN AVEDICK BARUYR (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/01/2025
7:23 AM | Occidental Petroleum (Subject)
| Form SC TO-I/A | |
03/20/2025
4:28 PM | Occidental Petroleum (Filer)
| Form DEF 14A | |
03/20/2025
4:28 PM | Occidental Petroleum (Filer)
| Form DEFA14A | |
03/20/2025
4:30 PM | Occidental Petroleum (Filer)
| Form ARS | |
03/04/2025
6:03 PM | Jackson Richard A. (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
6:03 PM | Kerrigan Sylvia J (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
6:04 PM | Mathew Sunil (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
6:05 PM | Occidental Petroleum (Issuer)
Peterson Robert L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
6:06 PM | Occidental Petroleum (Issuer)
Simmons Jeff F (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
6:00 PM | Champion Christopher O (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
6:01 PM | Dillon Kenneth (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/04/2025
6:02 PM | Hollub Vicki A. (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/03/2025
8:27 AM | Occidental Petroleum (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/03/2025
7:38 AM | Occidental Petroleum (Subject)
| Form SC TO-I | |
03/03/2025
6:46 AM | Occidental Petroleum (Filer)
| Form 424B2
Transaction specifc information for a delayed shelf offering | |
03/03/2025
6:47 AM | Occidental Petroleum (Filer)
| Form 424B3 | |
02/14/2025
5:15 PM | Champion Christopher O (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/14/2025
5:15 PM | Dillon Kenneth (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/14/2025
5:16 PM | Jackson Richard A. (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
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02/14/2025
5:17 PM | Mathew Sunil (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/14/2025
5:17 PM | Occidental Petroleum (Issuer)
Peterson Robert L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/14/2025
5:18 PM | Occidental Petroleum (Issuer)
Simmons Jeff F (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/14/2025
5:18 PM | Hollub Vicki A. (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/11/2025
7:35 PM | BERKSHIRE HATHAWAY INC (Reporting)
BERKSHIRE HATHAWAY INC (Reporting)
BERKSHIRE HATHAWAY INC (Reporting)
BUFFETT WARREN E (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/19/2024
8:35 PM | BERKSHIRE HATHAWAY INC (Reporting)
BERKSHIRE HATHAWAY INC (Reporting)
BERKSHIRE HATHAWAY INC (Reporting)
BUFFETT WARREN E (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/12/2024
4:09 PM | Occidental Petroleum (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/25/2024
3:34 PM | Occidental Petroleum (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/09/2024
3:30 PM | Occidental Petroleum (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/03/2024
5:03 PM | Kerrigan Sylvia J (Reporting)
Occidental Petroleum (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/26/2024
4:05 PM | Occidental Petroleum (Filer)
| Form SD
Specialized Disclosure Report | |
08/16/2024
4:11 PM | ANADARKO HOLDING Co (Reporting)
ANADARKO PETROLEUM CORP (Reporting)
ANADARKO PETROLEUM CORP (Reporting)
Baseball Merger Sub 2, Inc. (Reporting)
Occidental Petroleum (Reporting)
OXY Oil Partners, Inc. (Reporting)
OXY USA INC (Reporting)
Western Midstream Partners, LP (Issuer)
Western Midstream Partners, LP (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/16/2024
4:09 PM | Anadarko USH1 Corp (Reporting)
APC Midstream Holdings, LLC (Reporting)
KERR MCGEE CORP /DE (Reporting)
Kerr-McGee Worldwide Corp (Reporting)
Occidental Petroleum (Reporting)
WESTERN GAS RESOURCES INC (Reporting)
Western Midstream Partners, LP (Issuer)
Western Midstream Partners, LP (Issuer)
WGR Asset Holding Co LLC (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/14/2024
8:48 PM | Occidental Petroleum (Filed by)
Western Midstream Partners, LP (Subject)
Western Midstream Partners, LP (Subject)
| Form SC 13D/A | |
08/14/2024
3:25 PM | Occidental Petroleum (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/12/2024
7:43 PM | Occidental Petroleum (Filer)
| Form 424B7 | |
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