| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | OCCIDENTAL PETROLEUM CORP /DE/ | 73,551,528 | 8.2% | EDGAR |
| SC 13G/A | 2020-02-10 | DODGE & COX | OCCIDENTAL PETROLEUM CORP /DE/ | 89,662,134 | 10.0% | EDGAR |
| SC 13G | 2020-02-07 | DODGE & COX | OCCIDENTAL PETROLEUM CORP /DE/ | 88,236,727 | 9.9% | EDGAR |
| SC 13G/A | 2020-02-05 | BlackRock Inc. | OCCIDENTAL PETROLEUM CORP /DE/ | 58,767,928 | 6.6% | EDGAR |
| SC 13D/A | 2020-01-07 | OCCIDENTAL PETROLEUM CORP /DE/ | Western Midstream Partners, LP | 242,136,976 | 54.5% | EDGAR |
| SC 13D | 2019-08-19 | OCCIDENTAL PETROLEUM CORP /DE/ | Western Midstream Partners, LP | 251,197,617 | 55.5% | EDGAR |
| SC 13G/A | 2019-02-13 | STATE STREET CORP | OCCIDENTAL PETROLEUM CORP /DE/ | - | 4.9% | EDGAR |
| SC 13G/A | 2019-02-11 | BlackRock Inc. | OCCIDENTAL PETROLEUM CORP /DE/ | 55,266,184 | 7.3% | EDGAR |
| SC 13G/A | 2019-02-11 | VANGUARD GROUP INC | OCCIDENTAL PETROLEUM CORP /DE/ | 63,320,999 | 8.4% | EDGAR |
| SC 13G | 2018-02-14 | STATE STREET CORP | OCCIDENTAL PETROLEUM CORP /DE/ | - | 5.1% | EDGAR |
| SC 13G/A | 2018-02-09 | VANGUARD GROUP INC | OCCIDENTAL PETROLEUM CORP /DE/ | 57,965,837 | 7.6% | EDGAR |
| SC 13G/A | 2018-02-08 | BlackRock Inc. | OCCIDENTAL PETROLEUM CORP /DE/ | 53,430,004 | 7.0% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | OCCIDENTAL PETROLEUM CORP /DE/ | 53,088,622 | 6.9% | EDGAR |
| SC 13G/A | 2017-02-10 | OCCIDENTAL PETROLEUM CORP /DE/ | California Resources Corp | 0 | 0.0% | EDGAR |
| SC 13G | 2017-02-10 | STATE STREET CORP | OCCIDENTAL PETROLEUM CORP /DE/ | - | 5.1% | EDGAR |
| SC 13G/A | 2017-01-25 | BlackRock Inc. | OCCIDENTAL PETROLEUM CORP /DE/ | 59,863,087 | 7.8% | EDGAR |
| SC 13G/A | 2016-11-08 | JPMORGAN CHASE & CO | OCCIDENTAL PETROLEUM CORP /DE/ | 27,236,707 | 3.5% | EDGAR |
| SC 13G/A | 2016-02-11 | VANGUARD GROUP INC | OCCIDENTAL PETROLEUM CORP /DE/ | 47,486,805 | 6.2% | EDGAR |
| SC 13G/A | 2016-02-10 | BlackRock Inc. | OCCIDENTAL PETROLEUM CORP /DE/ | 56,147,970 | 7.4% | EDGAR |
| SC 13G | 2016-01-28 | JPMORGAN CHASE & CO | OCCIDENTAL PETROLEUM CORP /DE/ | - | - | EDGAR |