| $103M | ||
| $70M | ||
| $68M | ||
| $65M | ||
| $55M | ||
| $54M |
Buys | $444,877,222 | 4 | 100 |
Sells | $0 | 0 | 0 |
| BERKSHIRE HATHAWAY INC | 10 percent owner | 4 | $444.88M | 0 | $0 | $444.88M |
Occidental Petroleum Corporation, together with its subsidiaries, engages in the acquisition, exploration, and development of oil and gas properties in the United States, the Middle East, Africa, and Latin America. It operates through three segments: Oil and Gas, Chemical, and Midstream and Marketing. The company's Oil and Gas segment explores for, develops, and produces oil and condensate, natural gas liquids (NGLs), and natural gas. Its Chemical segment manufactures and markets basic chemicals, including chlorine, caustic soda, chlorinated organics, potassium chemicals, ethylene dichloride, chlorinated isocyanurates, sodium silicates, and calcium chloride; vinyls comprising vinyl chloride monomer, polyvinyl chloride, and ethylene. The Midstream and Marketing segment gathers, processes, transports, stores, purchases, and markets oil, condensate, NGLs, natural gas, carbon dioxide, and power. This segment also trades around its assets consisting of transportation and storage capacity; and invests in entities. Occidental Petroleum Corporation was founded in 1920 and is headquartered in Houston, Texas.
Over the last 12 months, insiders at Occidental Petroleum Corporation have bought $444.88M and sold $0 worth of Occidental Petroleum Corporation stock.
On average, over the past 5 years, insiders at Occidental Petroleum Corporation have bought $1.17B and sold $198.95M worth of stock each year.
Highest buying activity among insiders over the last 12 months: BERKSHIRE HATHAWAY INC (10 percent owner) — $444.88M.
The last purchase of 763,017 shares for transaction amount of $35.72M was made by BERKSHIRE HATHAWAY INC (10 percent owner) on 2025‑02‑07.
| 2025-02-07 | BERKSHIRE HATHAWAY INC | 10 percent owner | 763,017 0.081% | $46.82 | $35.72M | -5.46% | ||
| 2024-12-19 | BERKSHIRE HATHAWAY INC | 10 percent owner | 3.61M 0.3856% | $45.60 | $164.79M | -0.58% | ||
| 2024-12-18 | BERKSHIRE HATHAWAY INC | 10 percent owner | 2.81M 0.3005% | $46.26 | $129.78M | -1.99% | ||
| 2024-12-17 | BERKSHIRE HATHAWAY INC | 10 percent owner | 2.48M 0.2628% | $46.25 | $114.59M | -3.03% | ||
| 2024-06-17 | BERKSHIRE HATHAWAY INC | 10 percent owner | 334,461 0.0372% | $59.75 | $19.98M | -16.08% | ||
| 2024-06-14 | BERKSHIRE HATHAWAY INC | 10 percent owner | 1.06M 0.1176% | $59.59 | $63.2M | -15.42% | ||
| 2024-06-13 | BERKSHIRE HATHAWAY INC | 10 percent owner | 1.55M 0.1727% | $59.77 | $92.79M | -15.36% | ||
| 2024-06-12 | BERKSHIRE HATHAWAY INC | 10 percent owner | 765,899 0.0859% | $60.28 | $46.17M | -16.05% | ||
| 2024-06-11 | BERKSHIRE HATHAWAY INC | 10 percent owner | 399,859 0.045% | $60.43 | $24.16M | -16.46% | ||
| 2024-06-10 | BERKSHIRE HATHAWAY INC | 10 percent owner | 584,550 0.0657% | $60.26 | $35.22M | -16.25% | ||
| 2024-06-07 | BERKSHIRE HATHAWAY INC | 10 percent owner | 1.39M 0.1569% | $59.67 | $82.75M | -14.43% | ||
| 2024-06-06 | BERKSHIRE HATHAWAY INC | 10 percent owner | 654,293 0.0736% | $59.93 | $39.21M | -15.27% | ||
| 2024-06-05 | BERKSHIRE HATHAWAY INC | 10 percent owner | 524,340 0.059% | $59.75 | $31.33M | -14.86% | ||
| 2024-02-05 | BERKSHIRE HATHAWAY INC | 10 percent owner | 1.41M 0.1543% | $56.81 | $79.86M | +1.47% | ||
| 2024-02-02 | BERKSHIRE HATHAWAY INC | 10 percent owner | 1.25M 0.1377% | $57.14 | $71.25M | +1.48% | ||
| 2024-02-01 | BERKSHIRE HATHAWAY INC | 10 percent owner | 1.65M 0.1831% | $57.45 | $94.77M | +0.93% | ||
| 2023-12-21 | BERKSHIRE HATHAWAY INC | 10 percent owner | 1.74M 0.1983% | $60.26 | $105.05M | -2.44% | ||
| 2023-12-20 | BERKSHIRE HATHAWAY INC | 10 percent owner | 1.81M 0.2076% | $60.50 | $109.66M | -1.88% | ||
| 2023-12-19 | BERKSHIRE HATHAWAY INC | 10 percent owner | 1.63M 0.1842% | $59.85 | $97.38M | -1.72% | ||
| 2023-12-13 | BERKSHIRE HATHAWAY INC | 10 percent owner | 3.2M 0.3599% | $56.55 | $181.01M | +3.97% |
| BERKSHIRE HATHAWAY INC | 10 percent owner | 264941431 26.8919% | $11.24B | 46 | 0 | <0.0001% |
| BUFFETT WARREN E | 188366460 19.1194% | $7.99B | 12 | 0 | +11.76% | |
| ICAHN CARL C | 10 percent owner | 73627271 7.4733% | $3.12B | 0 | 4 | |
| LAURANCE DALE R | President | 799076 0.0811% | $33.9M | 0 | 12 | |
| DE BRIER DONALD P | Corp. EVP & Corp. Secretary | 646832 0.0657% | $27.45M | 0 | 34 | |
| Hollub Vicki A. | President and CEO | 467282 0.0474% | $19.83M | 3 | 0 | +0.89% |
| MORGAN JOHN W | Executive Vice President | 453926 0.0461% | $19.26M | 0 | 14 | |
| HALLOCK RICHARD W | Executive VP - Human Resources | 402454 0.0408% | $17.08M | 0 | 34 | |
| CHAZEN STEPHEN I | director | 289597 0.0294% | $12.29M | 1 | 161 | +53.64% |
| KLESSE WILLIAM R | director | 168092 0.0171% | $7.13M | 15 | 0 | <0.0001% |
| Dillon Kenneth | Senior Vice President | 129461 0.0131% | $5.49M | 2 | 0 | +4.99% |
| Backus Marcia E. | SVP, GC & CCO | 101248 0.0103% | $4.3M | 1 | 0 | <0.0001% |
| Vangolen Glenn M. | SVP - Business Support | 93111 0.0095% | $3.95M | 1 | 0 | <0.0001% |
| HIRL J ROGER | Executive Vice President | 91696 0.0093% | $3.89M | 0 | 3 | |
| OLSON R CASEY | Executive Vice President | 90525 0.0092% | $3.84M | 0 | 5 | |
| HAVERT JAMES R | Vice President and Treasurer | 90097 0.0091% | $3.82M | 0 | 7 | |
| DOMINICK SAMUEL P JR | Vice President and Controller | 86737 0.0088% | $3.68M | 0 | 6 | |
| BURGHER CEDRIC W. | SVP & CFO | 79342 0.0081% | $3.37M | 3 | 0 | <0.0001% |
| LIENERT JAMES M | Executive VP, Business Support | 78008 0.0079% | $3.31M | 0 | 6 | |
| POLADIAN AVEDICK BARUYR | 63066 0.0064% | $2.68M | 2 | 1 | +4.36% | |
| TOMICH ROSEMARY | director | 60108 0.0061% | $2.55M | 0 | 2 | |
| FORAN MARGARET M | director | 50828 0.0052% | $2.16M | 2 | 0 | <0.0001% |
| Batchelder Eugene L. | director | 45148 0.0046% | $1.92M | 4 | 0 | +2.49% |
| BURKLE RONALD W | director | 44000 0.0045% | $1.87M | 0 | 1 | |
| MALONEY IRVIN W | director | 43767 0.0044% | $1.86M | 0 | 1 | |
| WEISMAN WALTER L | director | 36154 0.0037% | $1.53M | 0 | 2 | |
| FEICK JOHN E | director | 35914 0.0036% | $1.52M | 0 | 6 | |
| Brown Oscar K | Former Senior Vice President | 35000 0.0036% | $1.49M | 5 | 3 | <0.0001% |
| DJEREJIAN EDWARD P | director | 31744 0.0032% | $1.35M | 0 | 2 | |
| HURST JOHN L | Executive Vice President | 29337 0.003% | $1.24M | 0 | 4 | |
| GUTIERREZ CARLOS M | director | 28484 0.0029% | $1.21M | 1 | 0 | +6.15% |
| Anderson B Chuck | Vice President | 28922 0.0029% | $1.23M | 0 | 5 | |
| MOORE JACK B | director | 25847 0.0026% | $1.1M | 1 | 0 | <0.0001% |
| Shearer Bob | director | 24218 0.0025% | $1.03M | 2 | 0 | <0.0001% |
| Walter Elisse B. | director | 24842 0.0025% | $1.05M | 2 | 0 | <0.0001% |
| CHALSTY JOHN S | director | 19103 0.0019% | $810,540.29 | 1 | 0 | +5.8% |
| HUFFMAN KENNETH J | VP - Investor Relations | 16231 0.0016% | $688,681.33 | 0 | 1 | |
| Leonard Jim A | Vice President and Controller | 15789 0.0016% | $669,927.27 | 0 | 5 | |
| WATKINS AURMOND A JR | Vice President - Tax | 9791 0.001% | $415,432.13 | 0 | 1 | |
| DREIER R CHAD | director | 8333 0.0008% | $353,569.19 | 1 | 0 | +14.49% |
| SWAN RICHARD A | VP - Health, Envir. & Safety | 5445 0.0006% | $231,031.35 | 0 | 1 | |
| MCGEE ROBERT M | Vice President | 4585 0.0005% | $194,541.55 | 0 | 1 | |
| IRANI RAY R | Executive Chairman | 0 0% | $0 | 0 | 25 | |
| MERIAGE LAWRENCE P | VP - Comm. & Public Affairs | 0 0% | $0 | 0 | 1 | |
| MOORE DONALD L JR | VP & Chief Information Officer | 0 0% | $0 | 0 | 1 | |
| Oxy Holding Co (Pipeline), Inc. | 0 0% | $0 | 0 | 2 |
| Increased Positions | 538 | +41.61% | 28M | +3.72% |
| Decreased Positions | 536 | -41.45% | 18M | -2.36% |
| New Positions | 139 | New | 6M | New |
| Sold Out Positions | 120 | Sold Out | 3M | Sold Out |
| Total Postitions | 1,295 | +0.15% | 763M | +1.36% |
| Berkshire Hathaway Inc | $11.13M | 26.9% | 264.94M | 0 | 0% | 2025-09-30 |
| Vanguard Group Inc | $3.75M | 9.06% | 89.2M | +697,521 | +0.79% | 2025-09-30 |
| Dodge & Cox | $3.36M | 8.11% | 79.88M | -371,001 | -0.46% | 2025-09-30 |
| Blackrock, Inc. | $2.08M | 5.02% | 49.44M | +2M | +3.42% | 2025-09-30 |
| State Street Corp | $1.63M | 3.93% | 38.71M | -333,583 | -0.85% | 2025-09-30 |
| Geode Capital Management, Llc | $784,506.00 | 1.9% | 18.68M | +588,835 | +3.25% | 2025-09-30 |
| H&H International Investment, Llc | $569,356.00 | 1.38% | 13.56M | 0 | 0% | 2025-09-30 |
| Morgan Stanley | $556,572.00 | 1.35% | 13.25M | +3M | +24.5% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $366,195.00 | 0.89% | 8.72M | +900,677 | +11.52% | 2025-09-30 |
| Pacer Advisors, Inc. | $293,704.00 | 0.71% | 6.99M | -490,288 | -6.55% | 2025-09-30 |