Barkmann Albert (CIK 2012976) reported 11 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-09-14). Recent activity: Sell FANG (682 shares), Sell FANG (3,000 shares), Sell FANG (4,000 shares), Buy FANG (3,500 shares), Buy FANG (6,430 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-14 | Diamondback Energy, Inc. (FANG) | Exec. VP and Chief Engineer | Sell | 682 | $138,194 |
| 2026-05-19 | Diamondback Energy, Inc. (FANG) | Exec. VP and Chief Engineer | Sell | 3,000 | $612,120 |
| 2026-03-17 | Diamondback Energy, Inc. (FANG) | Exec. VP and Chief Engineer | Sell | 4,000 | $731,600 |
| 2026-03-03 | Diamondback Energy, Inc. (FANG) | Exec. VP and Chief Engineer | Buy | 3,500 | $0 |
| 2026-03-03 | Diamondback Energy, Inc. (FANG) | Exec. VP and Chief Engineer | Buy | 6,430 | $0 |
| 2026-03-03 | Diamondback Energy, Inc. (FANG) | Exec. VP and Chief Engineer | Sell | 2,440 | $424,755 |
| 2026-03-03 | Diamondback Energy, Inc. (FANG) | Exec. VP and Chief Engineer | Sell | 281 | $48,916 |
| 2026-03-03 | Diamondback Energy, Inc. (FANG) | Exec. VP and Chief Engineer | Sell | 340 | $59,187 |
| 2026-03-03 | Diamondback Energy, Inc. (FANG) | Exec. VP and Chief Engineer | Sell | 460 | $80,077 |
| 2025-09-11 | Diamondback Energy, Inc. (FANG) | Exec. VP and Chief Engineer | Sell | 682 | $92,950 |
| 2025-08-19 | VNOM Sub, Inc. (VNOM) | Exec. VP and Chief Engineer | Sell | 1,000 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-14