Richard Mark (CIK 1767591) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-09). Recent activity: Sell HAL (7,469 shares), Buy HAL (41,156 shares), Sell HAL (7,383 shares), Sell HAL (160,000 shares), Sell HAL (41,455 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-09 | HALLIBURTON CO (HAL) | President - Western Hemisphere | Sell | 7,469 | $221,082 |
| 2026-01-05 | HALLIBURTON CO (HAL) | President - Western Hemisphere | Buy | 41,156 | $1.2M |
| 2025-12-08 | HALLIBURTON CO (HAL) | President - Western Hemisphere | Sell | 7,383 | $198,677 |
| 2025-11-13 | HALLIBURTON CO (HAL) | President - Western Hemisphere | Sell | 160,000 | $4.4M |
| 2025-03-07 | HALLIBURTON CO (HAL) | President - Western Hemisphere | Sell | 41,455 | $1.0M |
| 2025-03-05 | HALLIBURTON CO (HAL) | President - Western Hemisphere | Buy | 105,348 | $2.6M |
Source: SEC Form 4 filings · as of 2026-01-09