Occidental Petroleum Corp /DE/ SEC filings OXY
Occidental Petroleum Corp /DE/ has 1,002 filings in SEC EDGAR's recent list, going back to Mar 28, 2016. Its latest annual report, Form ARS, was filed on Mar 19, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 5, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 13, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Oct 13, 2026 | Oct 13, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Sep 29, 2026 | Sep 25, 2026 |
| SD | Specialized disclosure (conflict minerals) | Sep 25, 2026 | — |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 1, 2026 |
| 3 | Initial insider ownership | Aug 4, 2026 | Aug 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 29, 2026 | — |
| 8-K |
Current report
Results of operations
|
Jul 10, 2026 | Jul 10, 2026 |
| 11-K | Employee savings plan report | Jun 29, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 23, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2026 | — |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 10-Q | Quarterly report | May 5, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 5, 2026 | May 5, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Regulation FD disclosure
|
May 4, 2026 | Apr 30, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| 4 | Insider transaction | Apr 16, 2026 | Apr 14, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 10, 2026 | Apr 10, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| ARS | Annual report to shareholders | Mar 19, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 19, 2026 | — |
| DEF 14A | Proxy statement | Mar 19, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Other events
|
Mar 9, 2026 | Mar 5, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 28, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 28, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 28, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 28, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 28, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 28, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 28, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 28, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 19, 2026 | Feb 19, 2026 |
| 10-K | Annual report | Feb 18, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 18, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 5, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 21, 2026 | — |
| 8-K |
Current report
Results of operations
|
Jan 20, 2026 | Jan 20, 2026 |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
Jan 2, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 16, 2025 |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2025 | Nov 10, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 10, 2025 | Oct 10, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 2, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 3, 2025 | Oct 1, 2025 |
| 8-K |
Current report
Material agreement
|
Oct 3, 2025 | Oct 1, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 2, 2025 | Oct 2, 2025 |
| SD | Specialized disclosure (conflict minerals) | Sep 26, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 424B2 | Prospectus | Aug 7, 2025 | — |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Other events
|
Jul 28, 2025 | Jul 28, 2025 |
| 424B2 | Prospectus | Jul 28, 2025 | — |
| S-3ASR | Automatic shelf registration | Jul 28, 2025 | — |
| 8-K |
Current report
Other events
|
Jul 28, 2025 | Jul 28, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 14, 2025 | Jul 14, 2025 |
| 11-K | Employee savings plan report | Jun 27, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | May 9, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 10-Q | Quarterly report | May 7, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 7, 2025 | May 7, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 6, 2025 | May 2, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 30, 2025 | — |
| S-8 | Employee stock plan registration | Apr 17, 2025 | — |
| 8-K |
Current report
Results of operations
|
Apr 9, 2025 | Apr 9, 2025 |
| SC TO-I/A | Filing | Apr 7, 2025 | — |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| SC TO-I/A | Filing | Apr 1, 2025 | — |
| ARS | Annual report to shareholders | Mar 20, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 20, 2025 | — |
| DEF 14A | Proxy statement | Mar 20, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Other events
|
Mar 3, 2025 | Mar 3, 2025 |
| SC TO-I | Form sc to-i | Mar 3, 2025 | — |
| 424B3 | Prospectus | Mar 3, 2025 | — |
| 424B2 | Prospectus | Mar 3, 2025 | — |
| 10-K | Annual report | Feb 18, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 18, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| 4 | Insider transaction | Feb 11, 2025 | Feb 7, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 10, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Dec 19, 2024 | Dec 17, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Nov 12, 2024 | Nov 6, 2024 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| 8-K |
Current report
Other events
|
Oct 25, 2024 | Oct 25, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 9, 2024 | Oct 9, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 2, 2024 |
| SD | Specialized disclosure (conflict minerals) | Sep 26, 2024 | — |
| 4 | Insider transaction | Aug 16, 2024 | Aug 14, 2024 |
| 4 | Insider transaction | Aug 16, 2024 | Aug 14, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 14, 2024 | — |
| 8-K |
Current report
Other events
|
Aug 14, 2024 | Aug 12, 2024 |
| 424B7 | Filing | Aug 14, 2024 | — |
| 424B7 | Filing | Aug 13, 2024 | — |
| 8-K |
Current report
Other events
|
Aug 12, 2024 | Aug 12, 2024 |
| 10-Q | Quarterly report | Aug 7, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2024 | Aug 7, 2024 |
| S-3ASR | Automatic shelf registration | Aug 2, 2024 | — |
| 8-K |
Current report
Other events
|
Aug 2, 2024 | Aug 2, 2024 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Regulation FD disclosure
|
Aug 1, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Other events
|
Aug 1, 2024 | Jul 31, 2024 |
| 8-K |
Current report
Other events
|
Jul 26, 2024 | Jul 26, 2024 |
| 424B2 | Prospectus | Jul 25, 2024 | — |
| FWP | Free writing prospectus | Jul 23, 2024 | — |
| 8-K |
Current report
Other events
|
Jul 19, 2024 | Jul 19, 2024 |
| 424B5 | Prospectus supplement | Jul 19, 2024 | — |
| 8-K |
Current report
Other events
|
Jul 19, 2024 | Jul 19, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 10, 2024 | Jul 10, 2024 |
| 11-K | Employee savings plan report | Jun 25, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 12, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 20, 2024 |
| UPLOAD | Letter from the SEC | May 21, 2024 | — |
| CORRESP | Letter to the SEC | May 9, 2024 | — |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 10-Q | Quarterly report | May 7, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 7, 2024 | May 7, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 6, 2024 | May 2, 2024 |
| UPLOAD | Letter from the SEC | Apr 30, 2024 | — |
| PX14A6G | Filing | Apr 17, 2024 | — |
| 8-K |
Current report
Results of operations
|
Apr 10, 2024 | Apr 10, 2024 |
| 4 | Insider transaction | Mar 21, 2024 | Mar 19, 2024 |
| ARS | Annual report to shareholders | Mar 21, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Mar 21, 2024 | — |
| DEF 14A | Proxy statement | Mar 21, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 29, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 22, 2024 |
| 10-K | Annual report | Feb 14, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 14, 2024 | Feb 14, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Crude Petroleum & Natural Gas (SIC 1311)
- Listed as
- OXY (NYSE), OXY-WT (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Houston, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 797468
Other Crude Petroleum & Natural Gas companies
- Shell plc SHEL
- TotalEnergies SE TTE
- Petrobras - Petroleo Brasileiro SA PBR
- CANADIAN NATURAL RESOURCES Ltd CNQ
- Eni SPA E
- Eog Resources Inc EOG
- Cenovus Energy Inc. CVE
- Diamondback Energy, Inc. FANG
Source: SEC EDGAR filings. This is company-reported data, not investment advice.