Mark L. Plaumann's most recent trade in Diamondback Energy Inc was a trade of 500 Common Stock done at an average price of $196.5 . Disclosure was reported to the exchange on June 9, 2026.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Diamondback | Mark L. Plaumann | Director | Sale of securities on an exchange or to another person at price $ 196.50 per share. | 09 Jun 2026 | 500 | 13,437 (0%) | 0% | 196.5 | 98,250 | Common Stock |
| Diamondback | Mark L. Plaumann | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 May 2026 | 982 | 13,937 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Mark L. Plaumann | Director | Other type of transaction at price $ 0.00 per share. | 19 Jun 2025 | 2,965 | 5,267 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Mark L. Plaumann | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 May 2025 | 1,417 | 2,302 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Mark L. Plaumann | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 05 Dec 2024 | 100 | 2,302 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Mark L. Plaumann | Director | Other type of transaction at price $ 0.00 per share. | 12 Nov 2024 | 11,724 | 9,476 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Mark L. Plaumann | Director | Other type of transaction at price $ 0.00 per share. | 12 Nov 2024 | 5,862 | 5,862 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Mark L. Plaumann | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 12 Nov 2024 | 2,310 | 2,402 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Mark L. Plaumann | Director | Sale of securities on an exchange or to another person at price $ 181.00 per share. | 12 Nov 2024 | 1,150 | 4,712 (0%) | 0% | 181 | 208,150 | Common Stock |
| Diamondback | Mark L. Plaumann | Director | Sale of securities on an exchange or to another person at price $ 181.00 per share. | 12 Nov 2024 | 240 | 9,236 (0%) | 0% | 181 | 43,440 | Common Stock |
| Diamondback | Mark L. Plaumann | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Jun 2024 | 1,035 | 21,200 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Mark L. Plaumann | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 Jun 2023 | 1,527 | 20,165 (0%) | 0% | 0 | Common Stock | |
| Diamondback | Mark L. Plaumann | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 Jun 2022 | 1,274 | 18,638 (0%) | 0% | 0 | Common Stock |