21 insiders reported 239 Form 4 transactions for Diamondback Energy, Inc. (FANG) over the past 18 months (most recent 2026-08-17). Recent activity: Zmigrosky Matt (EVP, Chief Legal and Admin Off) Sell 2,500 shares, Thompson Jere W III (CFO, Executive VP) Sell 500 shares, Van't Hof Matthew Kaes (Chief Executive Officer) Sell 5,000 shares, Meloy Charles Alvin (Director) Sell 3,986 shares, Meloy Charles Alvin (Director) Sell 7,562 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-17 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | Sell | 2,500 | $506,930 |
| 2026-08-17 | Thompson Jere W III | CFO, Executive VP | Sell | 500 | $102,070 |
| 2026-08-12 | Van't Hof Matthew Kaes | Chief Executive Officer | Sell | 5,000 | $1.0M |
| 2026-08-04 | Meloy Charles Alvin | Director | Sell | 3,986 | $785,474 |
| 2026-08-04 | Meloy Charles Alvin | Director | Sell | 7,562 | $1.5M |
| 2026-08-04 | Meloy Charles Alvin | Director | Sell | 19,055 | $3.8M |
| 2026-08-04 | Meloy Charles Alvin | Director | Sell | 2,730 | $544,482 |
| 2026-06-18 | Van't Hof Matthew Kaes | Chief Executive Officer | Sell | 2,674 | $0 |
| 2026-06-17 | Meloy Charles Alvin | Director | Sell | 14,538 | $2.7M |
| 2026-06-17 | Meloy Charles Alvin | Director | Sell | 64,747 | $12.1M |
| 2026-06-17 | Meloy Charles Alvin | Director | Sell | 4,049 | $759,900 |
| 2026-06-10 | Plaumann Mark Lawrence | Director | Sell | 500 | $98,250 |
| 2026-06-08 | Dick Teresa L. | CAO, Exec. VP, Assist. Sec. | Sell | 5,000 | $1.0M |
| 2026-06-05 | Greth Lyndal | 10% Owner | Sell | 10.0M | $2.04B |
| 2026-06-05 | SGF FANG Holdings, LP | 10% Owner | Sell | 10.0M | $2.04B |
| 2026-06-04 | Van't Hof Matthew Kaes | Chief Executive Officer | Sell | 5,000 | $1.0M |
| 2026-06-04 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | Sell | 5,000 | $1.1M |
| 2026-06-04 | Van't Hof Matthew Kaes | Chief Executive Officer | Sell | 10,000 | $2.1M |
| 2026-06-02 | Dick Teresa L. | CAO, Exec. VP, Assist. Sec. | Sell | 7,000 | $1.4M |
| 2026-06-02 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | Sell | 5,000 | $1.0M |
| 2026-05-21 | Tsuru Frank D. | Director | Buy | 982 | $0 |
| 2026-05-21 | HOLDERNESS DARIN G | Director | Buy | 982 | $0 |
| 2026-05-21 | REEVES ROBERT K | Director | Buy | 982 | $0 |
| 2026-05-21 | WEST STEVEN E | Director | Buy | 982 | $0 |
| 2026-05-21 | Plaumann Mark Lawrence | Director | Buy | 982 | $0 |
Source: SEC Form 4 filings · as of 2026-08-17