Albert Barkmann's most recent trade in Diamondback Energy Inc was a trade of 3,000 Common Stock done at an average price of $204.0 . Disclosure was reported to the exchange on May 15, 2026.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Sale of securities on an exchange or to another person at price $ 204.04 per share. | 15 May 2026 | 3,000 | 24,571 (0%) | 0% | 204.0 | 612,113 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Sale of securities on an exchange or to another person at price $ 182.90 per share. | 13 Mar 2026 | 4,000 | 27,571 (0%) | 0% | 182.9 | 731,600 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2026 | 6,430 | 35,092 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2026 | 3,500 | 28,662 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 174.08 per share. | 01 Mar 2026 | 2,440 | 32,652 (0%) | 0% | 174.1 | 424,755 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 174.08 per share. | 01 Mar 2026 | 460 | 31,571 (0%) | 0% | 174.1 | 80,077 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 174.08 per share. | 01 Mar 2026 | 340 | 32,031 (0%) | 0% | 174.1 | 59,187 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 174.08 per share. | 01 Mar 2026 | 281 | 32,371 (0%) | 0% | 174.1 | 48,916 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 136.29 per share. | 10 Sep 2025 | 682 | 25,168 (0%) | 0% | 136.3 | 92,950 | Common Stock |
| Viper Energy Partners LP - Unit | Albert Barkmann | Exec. VP and Chief Engineer | Sale or transfer of securities back to the company at price $ 0.00 per share. | 19 Aug 2025 | 1,000 | 0 (0%) | 0% | - | Class A Common Stock | |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2025 | 4,615 | 28,470 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2025 | 3,500 | 23,855 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 158.96 per share. | 01 Mar 2025 | 1,811 | 26,659 (0%) | 0% | 159.0 | 287,877 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 158.96 per share. | 01 Mar 2025 | 340 | 25,850 (0%) | 0% | 159.0 | 54,046 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 158.96 per share. | 01 Mar 2025 | 285 | 26,190 (0%) | 0% | 159.0 | 45,304 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 158.96 per share. | 01 Mar 2025 | 184 | 26,475 (0%) | 0% | 159.0 | 29,249 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 Sep 2024 | 5,193 | 20,355 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Sale of securities on an exchange or to another person at price $ 194.75 per share. | 10 Jun 2024 | 1,000 | 15,162 (0%) | 0% | 194.8 | 194,750 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 193.46 per share. | 28 May 2024 | 153 | 16,162 (0%) | 0% | 193.5 | 29,599 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Sale of securities on an exchange or to another person at price $ 190.75 per share. | 20 Mar 2024 | 1,066 | 16,315 (0%) | 0% | 190.8 | 203,340 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2024 | 6,308 | 20,552 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2024 | 2,590 | 14,244 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 182.52 per share. | 01 Mar 2024 | 2,506 | 18,046 (0%) | 0% | 182.5 | 457,395 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 182.52 per share. | 01 Mar 2024 | 282 | 17,381 (0%) | 0% | 182.5 | 51,471 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 182.52 per share. | 01 Mar 2024 | 221 | 17,825 (0%) | 0% | 182.5 | 40,337 | Common Stock |
| Diamondback | Albert Barkmann | Exec. VP and Chief Engineer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 182.52 per share. | 01 Mar 2024 | 162 | 17,663 (0%) | 0% | 182.5 | 29,568 | Common Stock |