Barkmann Albert has filed 25 insider transactions across 2 companies since March 2024.
Most recent transaction: a sale of 4000 shares of Diamondback Energy, Inc. ($FANG) on March 13, 2026.
Activity breakdown: 0 open-market purchases and 3 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 13, 2026 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | S | Common Stock | 4000 | $182.90 | 27,571.0000 | 286,876,206 | 12.67% | 0.00% |
| March 1, 2026 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | A | Common Stock | 6430 | $0.00 | 35,092.0000 | 286,876,206 | 22.43% | 0.00% |
| March 1, 2026 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | A | Common Stock | 3500 | $0.00 | 28,662.0000 | 286,876,206 | 13.91% | 0.00% |
| March 1, 2026 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 2440 | $174.08 | 32,652.0000 | 286,876,206 | 6.95% | 0.00% |
| March 1, 2026 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 340 | $174.08 | 32,031.0000 | 286,876,206 | 1.05% | 0.00% |
| March 1, 2026 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 281 | $174.08 | 32,371.0000 | 286,876,206 | 0.86% | 0.00% |
| March 1, 2026 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 460 | $174.08 | 31,571.0000 | 286,876,206 | 1.44% | 0.00% |
| Sept. 10, 2025 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 682 | $136.29 | 25,168.0000 | 291,155,000 | 2.64% | 0.00% |
| Aug. 19, 2025 | Viper Energy, Inc. | $VNOM | Barkmann Albert | Exec. VP and Chief Engineer | D | Class A Common Stock | 1000 | $0.00 | 0.0000 | 157,458,390 | 100.00% | 0.00% |
| March 1, 2025 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | A | Common Stock | 3500 | $0.00 | 23,855.0000 | 290,984,373 | 17.19% | 0.00% |
| March 1, 2025 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | A | Common Stock | 4615 | $0.00 | 28,470.0000 | 290,984,373 | 19.35% | 0.00% |
| March 1, 2025 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 1811 | $158.96 | 26,659.0000 | 290,984,373 | 6.36% | 0.00% |
| March 1, 2025 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 184 | $158.96 | 26,475.0000 | 290,984,373 | 0.69% | 0.00% |
| March 1, 2025 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 285 | $158.96 | 26,190.0000 | 290,984,373 | 1.08% | 0.00% |
| March 1, 2025 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 340 | $158.96 | 25,850.0000 | 290,984,373 | 1.30% | 0.00% |
| Sept. 10, 2024 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | A | Common Stock | 5193 | $0.00 | 20,355.0000 | 178,394,000 | 34.25% | 0.00% |
| June 10, 2024 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | S | Common Stock | 1000 | $194.75 | 15,162.0000 | 178,340,000 | 6.19% | 0.00% |
| May 28, 2024 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 153 | $193.46 | 16,162.0000 | 178,340,000 | 0.94% | 0.00% |
| March 20, 2024 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | S | Common Stock | 1066 | $190.75 | 16,315.0000 | 178,724,000 | 6.13% | 0.00% |
| March 1, 2024 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | A | Common Stock | 6308 | $0.00 | 20,552.0000 | 178,724,000 | 44.29% | 0.00% |
| March 1, 2024 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 282 | $182.52 | 17,381.0000 | 178,724,000 | 1.60% | 0.00% |
| March 1, 2024 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | A | Common Stock | 2590 | $0.00 | 14,244.0000 | 178,724,000 | 22.22% | 0.00% |
| March 1, 2024 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 162 | $182.52 | 17,663.0000 | 178,724,000 | 0.91% | 0.00% |
| March 1, 2024 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 221 | $182.52 | 17,825.0000 | 178,724,000 | 1.22% | 0.00% |
| March 1, 2024 | Diamondback Energy, Inc. | $FANG | Barkmann Albert | Exec. VP and Chief Engineer | F | Common Stock | 2506 | $182.52 | 18,046.0000 | 178,724,000 | 12.19% | 0.00% |