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 |
| 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 |
| 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 |
| 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 |
| 8-K |
Current report
Results of operations
|
Apr 10, 2026 | Apr 10, 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 |
| 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 |
| 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 |
| 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 |
| 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 | — |
| 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 |
| 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 |
| 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 | — |
| 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 |
| 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 |
| 8-K |
Current report
Results of operations
|
Jan 10, 2025 | Jan 10, 2025 |
| 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 |
| SD | Specialized disclosure (conflict minerals) | Sep 26, 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 |
| UPLOAD | Letter from the SEC | May 21, 2024 | — |
| CORRESP | Letter to the SEC | May 9, 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 |
| 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 |
| 10-K | Annual report | Feb 14, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 14, 2024 | Feb 14, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Feb 5, 2024 | Feb 2, 2024 |
| 8-K |
Current report
Other events
|
Jan 22, 2024 | Jan 19, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 10, 2024 | Jan 10, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 28, 2023 | Dec 28, 2023 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Dec 12, 2023 | Dec 10, 2023 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 10, 2023 | Oct 10, 2023 |
| 8-K |
Current report
Officer or director change
|
Aug 9, 2023 | Aug 9, 2023 |
| 10-Q | Quarterly report | Aug 2, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2023 | Aug 2, 2023 |
| 11-K | Employee savings plan report | Jun 27, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 11, 2023 | May 5, 2023 |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 10-K/A | Amended annual report | May 9, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| PX14A6G | Notice of exempt solicitation | Apr 19, 2023 | — |
| ARS | Annual report to shareholders | Mar 23, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Mar 23, 2023 | — |
| DEF 14A | Proxy statement | Mar 23, 2023 | — |
| 10-K | Annual report | Feb 27, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 27, 2023 | Feb 27, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 22, 2023 | Feb 15, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 20, 2023 | Jan 17, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 4, 2023 | Jan 4, 2023 |
| 10-Q | Quarterly report | Nov 8, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2022 | Nov 8, 2022 |
| 8-K |
Current report
Officer or director change
|
Sep 30, 2022 | Sep 29, 2022 |
| 10-Q | Quarterly report | Aug 2, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2022 | Aug 2, 2022 |
| S-3ASR | Automatic shelf registration | Jul 29, 2022 | — |
| 11-K | Employee savings plan report | Jun 28, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
May 16, 2022 | May 16, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 11, 2022 | May 6, 2022 |
| 10-Q | Quarterly report | May 10, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 10, 2022 | May 10, 2022 |
| PX14A6G | Filing | May 3, 2022 | — |
| DEFA14A | Additional proxy material | Apr 29, 2022 | — |
| PX14A6G | Filing | Apr 20, 2022 | — |
| PX14A6G | Notice of exempt solicitation | Apr 18, 2022 | — |
| DEFA14A | Additional proxy material | Apr 7, 2022 | — |
| DEFA14A | Additional proxy material | Mar 25, 2022 | — |
| DEF 14A | Proxy statement | Mar 25, 2022 | May 6, 2022 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 23, 2022 | Mar 17, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 7, 2022 | Mar 4, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 28, 2022 | Feb 28, 2022 |
| 10-K | Annual report | Feb 24, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2022 | Feb 24, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 13, 2021 | Dec 10, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 2, 2021 | Dec 2, 2021 |
| 10-Q | Quarterly report | Nov 4, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2021 | Nov 4, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 20, 2021 | Sep 20, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 8, 2021 | Sep 8, 2021 |
| 10-Q | Quarterly report | Aug 3, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2021 | Aug 3, 2021 |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Other events
|
Jul 15, 2021 | Jul 14, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 29, 2021 | Jun 29, 2021 |
| 11-K | Employee savings plan report | Jun 28, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Shareholder vote results
|
May 10, 2021 | May 7, 2021 |
| 10-Q | Quarterly report | May 10, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 10, 2021 | May 10, 2021 |
| PX14A6G | Notice of exempt solicitation | Apr 30, 2021 | — |
| PX14A6G | Notice of exempt solicitation | Apr 12, 2021 | — |
| DEFA14A | Additional proxy material | Mar 26, 2021 | — |
| DEF 14A | Proxy statement | Mar 26, 2021 | May 7, 2021 |
| 10-K | Annual report | Feb 26, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 22, 2021 | Feb 22, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 11, 2021 | Feb 10, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 10, 2021 | Feb 9, 2021 |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Other events
|
Dec 22, 2020 | Dec 22, 2020 |
| 424B5 | Prospectus supplement | Dec 10, 2020 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 8, 2020 | Dec 8, 2020 |
| FWP | Free writing prospectus | Dec 8, 2020 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 7, 2020 | Dec 7, 2020 |
| 424B5 | Prospectus supplement | Dec 7, 2020 | — |
| 10-Q | Quarterly report | Nov 9, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2020 | Nov 9, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 21, 2020 | Sep 15, 2020 |
| 8-K |
Current report
Other events
|
Aug 26, 2020 | Aug 26, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 24, 2020 | Aug 24, 2020 |
| 424B5 | Prospectus supplement | Aug 14, 2020 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 13, 2020 | Aug 12, 2020 |
| FWP | Free writing prospectus | Aug 12, 2020 | — |
| 424B5 | Prospectus supplement | Aug 12, 2020 | — |
| 10-Q | Quarterly report | Aug 10, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2020 | Aug 10, 2020 |
| 424B2 | Prospectus | Aug 3, 2020 | — |
| 424B2 | Prospectus | Aug 3, 2020 | — |
| 8-K |
Current report
Other events
|
Aug 3, 2020 | Aug 3, 2020 |
| 8-K |
Current report
Officer or director change
|
Jul 31, 2020 | Jul 30, 2020 |
| CERT | Nyse certification | Jul 28, 2020 | — |
| 8-A12B | Filing | Jul 27, 2020 | — |
| 8-K |
Current report
Material agreement
|
Jul 27, 2020 | Jul 24, 2020 |
| UPLOAD | Letter from the SEC | Jul 24, 2020 | — |
| 424B7 | Filing | Jul 15, 2020 | — |
| 8-K |
Current report
Unregistered share sale
|
Jul 15, 2020 | Jul 15, 2020 |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Other events
|
Jul 13, 2020 | Jul 13, 2020 |
| CORRESP | Letter to the SEC | Jul 1, 2020 | — |
| 424B2 | Prospectus | Jun 30, 2020 | — |
| 11-K | Employee savings plan report | Jun 29, 2020 | Dec 31, 2019 |
| FWP | Free writing prospectus | Jun 29, 2020 | — |
| 424B5 | Prospectus supplement | Jun 25, 2020 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 25, 2020 | Jun 25, 2020 |
| UPLOAD | Letter from the SEC | Jun 18, 2020 | — |
| S-8 | Employee stock plan registration | Jun 17, 2020 | — |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
Jun 3, 2020 | May 29, 2020 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
May 21, 2020 | May 15, 2020 |
| 10-Q | Quarterly report | May 6, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 5, 2020 | May 5, 2020 |
| DEFA14A | Additional proxy material | Apr 28, 2020 | — |
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.
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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
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.