🕵️ Occidental Petroleum Corp /DE/ ($OXY)
SEC insider & ownership activity, last 12 months · CIK 797468 · every row links its SEC filing
Over the last 12 months insiders bought $445K with no open-market selling against it. Richard A. Jackson bought $250K in discretionary trades (Jun). Dodge & COX trimmed 8.8% → 7.5%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $445K (2 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Richard A. Jackson | 1 | $250K | 0 | – | Jun 23, 2026 |
| William R. Klesse | 1 | $195K | 0 | – | Dec 16, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Warren E. Buffett | 32.7% | 13G | Aug 14, 2025 | filing ↗ | |
| Berkshire Hathaway Inc. | 32.7% | 13G | Aug 14, 2025 | filing ↗ | |
| National Indemnity Company | 32.7% | 13G | Aug 14, 2025 | filing ↗ | |
| Dodge & COX | 7.5% | 13G | May 14, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.5% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 10, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 30, 2026 | filing ↗ |
| Shareholder vote (5.07) | Apr 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Earnings (2.02) | Apr 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 10, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 5, 2026 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Mar 5, 2026 | filing ↗ |
| Other events (8.01) | Mar 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 19, 2026 | filing ↗ |
| Earnings (2.02) | Feb 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 18, 2026 | filing ↗ |
| Earnings (2.02) | Jan 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 20, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | Jan 2, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 2, 2026 | filing ↗ |
| Earnings (2.02) | Nov 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 10, 2025 | filing ↗ |
| Earnings (2.02) | Oct 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 10, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 2, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 2, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 1, 2025 | filing ↗ |