OCCIDENTAL PETROLEUM CORP /DE/ — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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424B1
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001944 | Mar 27, 2026 | — |
| ARS | ANNUAL REPORT TO SECURITY HOLDERS | 0001628280-26-019822 | Mar 19, 2026 | Dec 31, 2025 |
| DEFA14A | DEFA14A | 0001628280-26-019821 | Mar 19, 2026 | — |
| DEF 14A | DEF 14A | 0001628280-26-019816 | Mar 19, 2026 | Dec 31, 2025 |
| 8-K | CURRENT REPORT | 0000950157-26-000265 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001628280-26-014308 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | FORM 4 | 0001628280-26-014305 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | FORM 4 | 0001628280-26-014303 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | FORM 4 | 0001628280-26-014301 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | FORM 4 | 0001628280-26-014299 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | FORM 4 | 0001628280-26-014297 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | FORM 4 | 0001628280-26-014295 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | FORM 4 | 0001628280-26-014293 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | FORM 4 | 0001628280-26-011340 | Feb 24, 2026 | Feb 23, 2026 |
| 4 | FORM 4 | 0001808899-26-000002 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0001814606-26-000002 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0000797468-26-000006 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0000797468-26-000004 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0000797468-26-000002 | Feb 20, 2026 | Feb 18, 2026 |
| 8-K | CURRENT REPORT | 0000950157-26-000166 | Feb 19, 2026 | — |
| 10-K | 10-K | 0001628280-26-009059 | Feb 18, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001628280-26-009054 | Feb 18, 2026 | — |
| 4 | FORM 4 | 0001140361-26-003924 | Feb 5, 2026 | Feb 3, 2026 |
| 4 | — | 0001140361-26-003922 | Feb 5, 2026 | Feb 3, 2026 |
| SCHEDULE 13D/A | — | 0001140361-26-003920 | Feb 5, 2026 | — |
| SCHEDULE 13D/A | — | 0001140361-26-001917 | Jan 21, 2026 | — |
| 8-K | 8-K | 0001628280-26-002483 | Jan 20, 2026 | — |
| 8-K | 8-K | 0001628280-26-000153 | Jan 2, 2026 | — |
| 4 | FORM 4 | 0001628280-25-057697 | Dec 17, 2025 | Dec 16, 2025 |
| 10-Q | 10-Q | 0001628280-25-051071 | Nov 10, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001628280-25-051056 | Nov 10, 2025 | — |
| 8-K | 8-K | 0001628280-25-044718 | Oct 10, 2025 | — |
| 4 | FORM 4 | 0000797468-25-000118 | Oct 3, 2025 | Oct 2, 2025 |
| 4 | FORM 4 | 0000797468-25-000115 | Oct 3, 2025 | Oct 1, 2025 |
| 8-K | 8-K | 0001140361-25-037245 | Oct 3, 2025 | Oct 1, 2025 |
| 8-K | 8-K | 0001140361-25-037234 | Oct 3, 2025 | Oct 1, 2025 |
| 8-K | 8-K | 0001140361-25-037058 | Oct 2, 2025 | — |
| SD | SD | 0001628280-25-042934 | Sep 26, 2025 | — |
| SCHEDULE 13G/A | — | 0000950170-25-108857 | Aug 14, 2025 | — |
| 424B2 | 424B2 | 0001628280-25-038901 | Aug 7, 2025 | — |
| 10-Q | 10-Q | 0000797468-25-000111 | Aug 6, 2025 | Jun 30, 2025 |
| 8-K | 8-K | 0000797468-25-000109 | Aug 6, 2025 | — |
| 8-K | 8-K | 0001628280-25-036241 | Jul 28, 2025 | — |
| 424B2 | 424B2 | 0001628280-25-036238 | Jul 28, 2025 | — |
| S-3ASR | S-3ASR | 0001628280-25-036198 | Jul 28, 2025 | — |
| 8-K | 8-K | 0001628280-25-036189 | Jul 28, 2025 | — |
| 8-K | 8-K | 0000797468-25-000101 | Jul 14, 2025 | — |
| 11-K | 11-K | 0000797468-25-000098 | Jun 27, 2025 | Dec 31, 2024 |
| 4 | FORM 4 | 0000797468-25-000096 | May 9, 2025 | — |
| 4 | FORM 4 | 0000797468-25-000094 | May 7, 2025 | May 5, 2025 |