KLESSE WILLIAM R (CIK 1019718) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-06). Recent activity: Buy OXY (4,149 shares), Sell OXY (913 shares), Buy OXY (5,000 shares), Buy OXY (6,442 shares), Sell OXY (1,418 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-06 | OCCIDENTAL PETROLEUM CORP /DE/ (OXY) | Director | Buy | 4,149 | $0 |
| 2026-05-06 | OCCIDENTAL PETROLEUM CORP /DE/ (OXY) | Director | Sell | 913 | $55,027 |
| 2025-12-17 | OCCIDENTAL PETROLEUM CORP /DE/ (OXY) | Director | Buy | 5,000 | $194,900 |
| 2025-05-07 | OCCIDENTAL PETROLEUM CORP /DE/ (OXY) | Director | Buy | 6,442 | $0 |
| 2025-05-07 | OCCIDENTAL PETROLEUM CORP /DE/ (OXY) | Director | Sell | 1,418 | $55,033 |
| 2025-04-02 | OCCIDENTAL PETROLEUM CORP /DE/ (OXY) | Director | Buy | 25,900 | $551,670 |
Source: SEC Form 4 filings · as of 2026-05-06