Filings with the SEC since Mar 28, 2016
964 filings, 4 in the last 30 days
Annual report (10-K)Quarterly report (10-Q)Current report (8-K)Auditor changeCEO, CFO, COO or CAO changeRestatementLate filing noticeInsider purchaseCluster buy (3+ insiders)SEC comment letterShare offering (S-3, 424B)
All 40 events
- Nov 9, 20268-K Quarterly results 8-K item 2.02
- Nov 9, 202610-Q Quarterly report (10-Q) period ended Sep 30, 2026
- Oct 13, 20268-K Quarterly results 8-K item 2.02
- Aug 5, 20268-K Quarterly results 8-K item 2.02
- Aug 5, 202610-Q Quarterly report (10-Q) period ended Jun 30, 2026
- Jul 10, 20268-K Quarterly results 8-K item 2.02
- Jun 24, 2026Buy Jackson Richard A. (President and CEO) bought $250K open-market purchase on Jun 23, 2026
- May 5, 20268-K Quarterly results 8-K item 2.02
- May 5, 202610-Q Quarterly report (10-Q) period ended Mar 31, 2026
- May 4, 2026Officer CEO change On April 30, 2026, Vicki Hollub, President and Chief Executive Officer (“CEO”) of Occidental Petroleum Corporation (“Occidental”), informed the Board of Directors of Occidental (the “Board”) of her decision to retire, effective as of June 1, 2026 (the “Transition Date”).
- Apr 10, 20268-K Quarterly results 8-K item 2.02
- Mar 9, 20268-K Material agreement signed, Shareholder rights changed, Other events 8-K items 1.01, 3.03, 8.01
- Feb 19, 20268-K Regulation FD disclosure 8-K item 7.01
- Feb 18, 20268-K Quarterly results 8-K item 2.02
- Feb 18, 202610-K Annual report (10-K) period ended Dec 31, 2025
- Jan 20, 20268-K Quarterly results 8-K item 2.02
- Jan 2, 20268-K Acquisition or sale of assets completed, Regulation FD disclosure 8-K items 2.01, 7.01
- Nov 10, 20258-K Quarterly results 8-K item 2.02
- Nov 10, 202510-Q Quarterly report (10-Q) period ended Sep 30, 2025
- Oct 10, 20258-K Quarterly results 8-K item 2.02
- Oct 3, 20258-K Material agreement signed 8-K item 1.01
- Oct 3, 20258-K Director or officer change, Regulation FD disclosure 8-K items 5.02, 7.01
- Oct 2, 20258-K Regulation FD disclosure 8-K item 7.01
- Aug 6, 20258-K Quarterly results 8-K item 2.02
- Aug 6, 202510-Q Quarterly report (10-Q) period ended Jun 30, 2025
- Jul 28, 2025Offering Shelf registration: shares and other securities, amount not fixed S-3ASR · Using this process, we may offer any combination of the securities described in this prospectus in one or more offerings in amounts to be determined at the time of any offering.
- Jul 28, 20258-K Other events 8-K item 8.01
- Jul 28, 20258-K Other events 8-K item 8.01
- Jul 14, 20258-K Quarterly results 8-K item 2.02
- May 7, 20258-K Quarterly results 8-K item 2.02
- May 7, 202510-Q Quarterly report (10-Q) period ended Mar 31, 2025
- May 6, 20258-K Shareholder vote results 8-K item 5.07
- Apr 9, 20258-K Quarterly results 8-K item 2.02
- Mar 3, 20258-K Material agreement signed, Shareholder rights changed, Other events 8-K items 1.01, 3.03, 8.01
- Feb 18, 20258-K Quarterly results 8-K item 2.02
- Feb 18, 202510-K Annual report (10-K) period ended Dec 31, 2024
- Jan 10, 20258-K Quarterly results 8-K item 2.02
- Nov 12, 20248-K Quarterly results 8-K item 2.02
- Nov 12, 20248-K Bylaws or fiscal year changed 8-K item 5.03
- Nov 12, 202410-Q Quarterly report (10-Q) period ended Sep 30, 2024
From the SEC filing index. Insider purchases go back 180 days (the Form 4s downloaded).
Every filing
Newest first, by kind
All 964
Annual & quarterly 44Current reports (8-K) 155Insiders 509Proxy & votes 44Big owners (13D/13G) 57Shares & debt offered 42SEC letters 24Other 89
| Filed | Form | What it is | Period | |
|---|---|---|---|---|
| Mar 19, 2026 | DEFA14A | Extra proxy material | all files | |
| Mar 19, 2026 | DEF 14A | Proxy statement | Dec 31, 2025 | all files |
| Mar 20, 2025 | DEFA14A | Extra proxy material | all files | |
| Mar 20, 2025 | DEF 14A | Proxy statement | Dec 31, 2024 | all files |
| Apr 17, 2024 | PX14A6G | Shareholder's proxy letter | all files | |
| Mar 21, 2024 | DEFA14A | Extra proxy material | all files | |
| Mar 21, 2024 | DEF 14A | Proxy statement | Dec 31, 2023 | all files |
| Apr 19, 2023 | PX14A6G | Shareholder's proxy letter | all files | |
| Mar 23, 2023 | DEFA14A | Extra proxy material | all files | |
| Mar 23, 2023 | DEF 14A | Proxy statement | all files | |
| May 3, 2022 | PX14A6G | Shareholder's proxy letter | all files | |
| Apr 29, 2022 | DEFA14A | Extra proxy material | all files | |
| Apr 20, 2022 | PX14A6G | Shareholder's proxy letter | all files | |
| Apr 18, 2022 | PX14A6G | Shareholder's proxy letter | all files | |
| Apr 7, 2022 | DEFA14A | Extra proxy material | all files | |
| Mar 25, 2022 | DEFA14A | Extra proxy material | all files | |
| Mar 25, 2022 | DEF 14A | Proxy statement | May 6, 2022 | all files |
| Apr 30, 2021 | PX14A6G | Shareholder's proxy letter | all files | |
| Apr 12, 2021 | PX14A6G | Shareholder's proxy letter | all files | |
| Mar 26, 2021 | DEFA14A | Extra proxy material | all files | |
| Mar 26, 2021 | DEF 14A | Proxy statement | May 7, 2021 | all files |
| Apr 28, 2020 | DEFA14A | Extra proxy material | all files | |
| Apr 17, 2020 | DEFA14A | Extra proxy material | all files | |
| Apr 17, 2020 | DEF 14A | Proxy statement | May 29, 2020 | all files |
| Apr 3, 2020 | DEFA14A | Extra proxy material | all files | |
| Apr 2, 2020 | DEFA14A | Extra proxy material | all files | |
| Apr 1, 2020 | PRE 14A | Dec 31, 2020 | all files | |
| Mar 25, 2020 | DEFA14A | Extra proxy material | all files | |
| Mar 24, 2020 | DEFA14A | Extra proxy material | all files | |
| Mar 13, 2020 | DEFA14A | Extra proxy material | all files | |
| Jul 25, 2019 | DEFA14A | Extra proxy material | all files | |
| Jul 23, 2019 | DEFA14A | Extra proxy material | all files | |
| Jul 22, 2019 | DEFA14A | Extra proxy material | all files | |
| Jul 22, 2019 | DEFA14A | Extra proxy material | all files | |
| Jul 22, 2019 | DEFA14A | Extra proxy material | all files | |
| Mar 28, 2019 | DEFA14A | Extra proxy material | all files | |
| Mar 28, 2019 | DEF 14A | Proxy statement | May 10, 2019 | all files |
| Mar 22, 2018 | DEFA14A | Extra proxy material | all files | |
| Mar 22, 2018 | DEF 14A | Proxy statement | Mar 22, 2018 | all files |
| Apr 27, 2017 | PX14A6G | Shareholder's proxy letter | all files | |
| Apr 12, 2017 | PX14A6G | Shareholder's proxy letter | all files | |
| Mar 24, 2017 | DEFA14A | Extra proxy material | all files | |
| Mar 24, 2017 | DEF 14A | Proxy statement | Mar 24, 2017 | all files |
| Apr 12, 2016 | PX14A6G | Shareholder's proxy letter | all files |
Show the other 19 filings on this page
Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results"; read them on Earnings releases.