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 |
|---|---|---|---|
| 424B2 | Prospectus | Aug 7, 2025 | — |
| 424B2 | Prospectus | Jul 28, 2025 | — |
| S-3ASR | Automatic shelf registration | Jul 28, 2025 | — |
| S-8 | Employee stock plan registration | Apr 17, 2025 | — |
| 424B3 | Prospectus | Mar 3, 2025 | — |
| 424B2 | Prospectus | Mar 3, 2025 | — |
| 424B7 | Filing | Aug 14, 2024 | — |
| 424B7 | Filing | Aug 13, 2024 | — |
| S-3ASR | Automatic shelf registration | Aug 2, 2024 | — |
| 424B2 | Prospectus | Jul 25, 2024 | — |
| FWP | Free writing prospectus | Jul 23, 2024 | — |
| 424B5 | Prospectus supplement | Jul 19, 2024 | — |
| S-3ASR | Automatic shelf registration | Jul 29, 2022 | — |
| 424B5 | Prospectus supplement | Dec 10, 2020 | — |
| FWP | Free writing prospectus | Dec 8, 2020 | — |
| 424B5 | Prospectus supplement | Dec 7, 2020 | — |
| 424B5 | Prospectus supplement | Aug 14, 2020 | — |
| FWP | Free writing prospectus | Aug 12, 2020 | — |
| 424B5 | Prospectus supplement | Aug 12, 2020 | — |
| 424B2 | Prospectus | Aug 3, 2020 | — |
| 424B2 | Prospectus | Aug 3, 2020 | — |
| 424B7 | Filing | Jul 15, 2020 | — |
| 424B2 | Prospectus | Jun 30, 2020 | — |
| FWP | Free writing prospectus | Jun 29, 2020 | — |
| 424B5 | Prospectus supplement | Jun 25, 2020 | — |
| S-8 | Employee stock plan registration | Jun 17, 2020 | — |
| 424B7 | Filing | Apr 15, 2020 | — |
| S-8 | Employee stock plan registration | Mar 26, 2020 | — |
| S-8 POS | Filing | Feb 27, 2020 | — |
| S-8 POS | Filing | Feb 27, 2020 | — |
| S-8 POS | Filing | Feb 27, 2020 | — |
| S-8 POS | Filing | Feb 27, 2020 | — |
| S-8 POS | Filing | Feb 27, 2020 | — |
| S-8 POS | Filing | Feb 27, 2020 | — |
| S-8 POS | Filing | Feb 27, 2020 | — |
| S-8 POS | Filing | Feb 27, 2020 | — |
| S-8 POS | Filing | Feb 27, 2020 | — |
| S-3D | Filing | Dec 10, 2019 | — |
| 424B3 | Prospectus | Aug 15, 2019 | — |
| S-4/A | Form s-4/a | Aug 13, 2019 | — |
| POS AM | Posam | Aug 8, 2019 | — |
| 424B2 | Prospectus | Aug 7, 2019 | — |
| FWP | Free writing prospectus | Aug 7, 2019 | — |
| 424B5 | Prospectus supplement | Aug 1, 2019 | — |
| S-4 | Registration for a merger or exchange | Aug 1, 2019 | — |
| S-3ASR | Automatic shelf registration | Jul 31, 2019 | — |
| 424B3 | Prospectus | Jul 12, 2019 | — |
| S-4/A | Filing | Jul 3, 2019 | — |
| S-4 | Registration for a merger or exchange | Jun 7, 2019 | — |
| S-8 | Employee stock plan registration | May 4, 2018 | — |
| 424B5 | Prospectus supplement | Mar 1, 2018 | — |
| FWP | Free writing prospectus | Feb 28, 2018 | — |
| 424B5 | Prospectus supplement | Feb 28, 2018 | — |
| 424B5 | Prospectus supplement | Nov 4, 2016 | — |
| FWP | Free writing prospectus | Nov 2, 2016 | — |
| 424B5 | Prospectus supplement | Nov 2, 2016 | — |
| 424B5 | Prospectus supplement | Mar 30, 2016 | — |
| FWP | Free writing prospectus | Mar 28, 2016 | — |
| 424B5 | Prospectus supplement | Mar 28, 2016 | — |
Showing 59 filings. 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
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.