Diamondback Energy, Inc. insider trading
In the last twelve months insiders at Diamondback Energy, Inc. filed 79 open-market sales worth $8.05 billion and 0 open-market purchases, on Form 4 with the SEC. The latest: Sgf Fang Holdings, Lp, 10% owner, sold 9.1 million shares at $205.26 on 16 September 2026, filed 17 September 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 16 September 2026 | Sgf Fang Holdings, Lp | 10% owner | Sale | 9,079,675 | $205.26 | $1.86 billion | Form 4 |
| 16 September 2026 | Sgf Fang Holdings, Lp | 10% owner | Sale | 9,079,675 | $205.26 | $1.86 billion | Form 4 |
| 15 September 2026 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | Sale | 1,326 | $212.56 | $281,848 | Form 4 |
| 15 September 2026 | Dick Teresa L. | EVP Accounting, Assist. Sec. | Sale | 5,000 | $210.00 | $1.1 million | Form 4 |
| 11 September 2026 | Stice Travis D. | Director | Sale | 75,000 | $204.31 | $15.3 million | Form 4 |
| 21 August 2026 | Plaumann Mark Lawrence | Director | Sale | 1,000 | $210.58 | $210,577 | Form 4 |
| 20 August 2026 | Van'T Hof Matthew Kaes | Chief Executive Officer | Sale | 9,500 | $214.64 | $2.0 million | Form 4 |
| 20 August 2026 | Van'T Hof Matthew Kaes | Chief Executive Officer | Sale | 500 | $215.06 | $107,528 | Form 4 |
| 20 August 2026 | Wesson Daniel N | Exec. VP & COO | Sale | 7,500 | $215.21 | $1.6 million | Form 4 |
| 14 August 2026 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | Sale | 2,500 | $202.77 | $506,930 | Form 4 |
| 14 August 2026 | Thompson Jere W Iii | CFO, Executive VP | Sale | 500 | $204.14 | $102,070 | Form 4 |
| 11 August 2026 | Van'T Hof Matthew Kaes | Chief Executive Officer | Sale | 5,000 | $202.46 | $1.0 million | Form 4 |
| 3 August 2026 | Meloy Charles Alvin | Director | Sale | 3,986 | $197.06 | $785,474 | Form 4 |
| 3 August 2026 | Meloy Charles Alvin | Director | Sale | 7,562 | $197.91 | $1.5 million | Form 4 |
| 3 August 2026 | Meloy Charles Alvin | Director | Sale | 19,055 | $198.74 | $3.8 million | Form 4 |
| 3 August 2026 | Meloy Charles Alvin | Director | Sale | 2,730 | $199.44 | $544,482 | Form 4 |
| 16 June 2026 | Meloy Charles Alvin | Director | Sale | 14,538 | $186.37 | $2.7 million | Form 4 |
| 16 June 2026 | Meloy Charles Alvin | Director | Sale | 64,747 | $187.25 | $12.1 million | Form 4 |
| 16 June 2026 | Meloy Charles Alvin | Director | Sale | 4,049 | $187.68 | $759,900 | Form 4 |
| 9 June 2026 | Plaumann Mark Lawrence | Director | Sale | 500 | $196.50 | $98,250 | Form 4 |
| 4 June 2026 | Dick Teresa L. | CAO, Exec. VP, Assist. Sec. | Sale | 5,000 | $205.00 | $1.0 million | Form 4 |
| 4 June 2026 | Sgf Fang Holdings, Lp | 10% owner | Sale | 10,000,000 | $204.25 | $2.04 billion | Form 4 |
| 3 June 2026 | Van'T Hof Matthew Kaes | Chief Executive Officer | Sale | 5,000 | $205.00 | $1.0 million | Form 4 |
| 3 June 2026 | Van'T Hof Matthew Kaes | Chief Executive Officer | Sale | 10,000 | $210.00 | $2.1 million | Form 4 |
| 3 June 2026 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | Sale | 5,000 | $210.00 | $1.1 million | Form 4 |
| 2 June 2026 | Dick Teresa L. | CAO, Exec. VP, Assist. Sec. | Sale | 7,000 | $200.90 | $1.4 million | Form 4 |
| 1 June 2026 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | Sale | 5,000 | $200.54 | $1.0 million | Form 4 |
| 19 May 2026 | Dick Teresa L. | CAO, Exec. VP, Assist. Sec. | Sale | 5,000 | $207.00 | $1.0 million | Form 4 |
| 15 May 2026 | Barkmann Albert | Exec. VP and Chief Engineer | Sale | 3,000 | $204.04 | $612,112 | Form 4 |
| 15 May 2026 | Thompson Jere W Iii | CFO, Executive VP | Sale | 1,000 | $203.16 | $203,160 | Form 4 |
| 14 May 2026 | Dick Teresa L. | CAO, Exec. VP, Assist. Sec. | Sale | 5,000 | $200.00 | $1.0 million | Form 4 |
| 13 May 2026 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | Sale | 5,000 | $200.10 | $1.0 million | Form 4 |
| 8 May 2026 | Meloy Charles Alvin | Director | Sale | 403 | $187.54 | $75,577 | Form 4 |
| 8 May 2026 | Meloy Charles Alvin | Director | Sale | 3,545 | $188.72 | $669,005 | Form 4 |
| 8 May 2026 | Meloy Charles Alvin | Director | Sale | 3,909 | $189.56 | $740,996 | Form 4 |
| 7 May 2026 | Meloy Charles Alvin | Director | Sale | 842 | $187.35 | $157,749 | Form 4 |
| 7 May 2026 | Meloy Charles Alvin | Director | Sale | 1,636 | $188.11 | $307,755 | Form 4 |
| 7 May 2026 | Meloy Charles Alvin | Director | Sale | 2,492 | $189.44 | $472,081 | Form 4 |
| 7 May 2026 | Meloy Charles Alvin | Director | Sale | 2,887 | $190.14 | $548,934 | Form 4 |
| 7 April 2026 | Meloy Charles Alvin | Director | Sale | 1,885 | $195.55 | $368,613 | Form 4 |
| 7 April 2026 | Meloy Charles Alvin | Director | Sale | 2,370 | $196.59 | $465,921 | Form 4 |
| 7 April 2026 | Meloy Charles Alvin | Director | Sale | 2,348 | $197.83 | $464,501 | Form 4 |
| 7 April 2026 | Meloy Charles Alvin | Director | Sale | 1,254 | $198.49 | $248,905 | Form 4 |
| 6 April 2026 | Meloy Charles Alvin | Director | Sale | 2,316 | $193.32 | $447,735 | Form 4 |
| 6 April 2026 | Meloy Charles Alvin | Director | Sale | 5,356 | $194.15 | $1.0 million | Form 4 |
| 6 April 2026 | Meloy Charles Alvin | Director | Sale | 185 | $195.18 | $36,108 | Form 4 |
| 20 March 2026 | Wesson Daniel N | Exec. VP & COO | Sale | 5,000 | $191.96 | $959,776 | Form 4 |
| 20 March 2026 | Dick Teresa L. | CAO, Exec. VP, Assist. Sec. | Sale | 5,000 | $193.00 | $965,000 | Form 4 |
| 19 March 2026 | Diamondback Energy, Inc. | 10% owner | Sale | 510,071 | $45.69 | $23.3 million | Form 4 |
| 18 March 2026 | West Steven E | Director | Sale | 6,000 | $188.35 | $1.1 million | Form 4 |
| 18 March 2026 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | Sale | 4,101 | $190.51 | $781,293 | Form 4 |
| 18 March 2026 | Dick Teresa L. | CAO, Exec. VP, Assist. Sec. | Sale | 5,000 | $190.00 | $950,000 | Form 4 |
| 16 March 2026 | Thompson Jere W Iii | CFO, Executive VP | Sale | 750 | $182.47 | $136,851 | Form 4 |
| 13 March 2026 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | Sale | 20,899 | $180.00 | $3.8 million | Form 4 |
| 13 March 2026 | Barkmann Albert | Exec. VP and Chief Engineer | Sale | 4,000 | $182.90 | $731,600 | Form 4 |
| 12 March 2026 | Sgf Fang Holdings, Lp | 10% owner | Sale | 12,650,000 | $170.19 | $2.15 billion | Form 4 |
| 10 March 2026 | Meloy Charles Alvin | Director | Sale | 566 | $177.09 | $100,235 | Form 4 |
| 10 March 2026 | Meloy Charles Alvin | Director | Sale | 1,686 | $178.10 | $300,273 | Form 4 |
| 10 March 2026 | Meloy Charles Alvin | Director | Sale | 1,746 | $178.82 | $312,223 | Form 4 |
| 10 March 2026 | Meloy Charles Alvin | Director | Sale | 1,075 | $180.25 | $193,766 | Form 4 |
| 10 March 2026 | Meloy Charles Alvin | Director | Sale | 1,329 | $181.15 | $240,747 | Form 4 |
| 10 March 2026 | Meloy Charles Alvin | Director | Sale | 1,455 | $182.03 | $264,855 | Form 4 |
| 9 March 2026 | Meloy Charles Alvin | Director | Sale | 388 | $180.45 | $70,013 | Form 4 |
| 9 March 2026 | Meloy Charles Alvin | Director | Sale | 709 | $181.43 | $128,636 | Form 4 |
| 9 March 2026 | Meloy Charles Alvin | Director | Sale | 1,849 | $182.67 | $337,751 | Form 4 |
| 9 March 2026 | Meloy Charles Alvin | Director | Sale | 2,876 | $183.43 | $527,545 | Form 4 |
| 9 March 2026 | Meloy Charles Alvin | Director | Sale | 1,465 | $184.46 | $270,231 | Form 4 |
| 9 March 2026 | Meloy Charles Alvin | Director | Sale | 462 | $185.40 | $85,656 | Form 4 |
| 9 March 2026 | Meloy Charles Alvin | Director | Sale | 108 | $186.16 | $20,105 | Form 4 |
| 9 March 2026 | Dick Teresa L. | CAO, Exec. VP, Assist. Sec. | Sale | 2,500 | $185.00 | $462,500 | Form 4 |
| 6 March 2026 | Thompson Jere W Iii | CFO, Executive VP | Sale | 750 | $181.68 | $136,260 | Form 4 |
| 6 March 2026 | Wesson Daniel N | Exec. VP & COO | Sale | 19,800 | $181.10 | $3.6 million | Form 4 |
| 6 March 2026 | Wesson Daniel N | Exec. VP & COO | Sale | 200 | $181.78 | $36,355 | Form 4 |
| 6 March 2026 | Stice Travis D. | Executive Chairman | Sale | 62,808 | $181.15 | $11.4 million | Form 4 |
| 6 March 2026 | Stice Travis D. | Executive Chairman | Sale | 1,149 | $181.67 | $208,741 | Form 4 |
| 6 March 2026 | Stice Travis D. | Executive Chairman | Sale | 35,070 | $181.06 | $6.3 million | Form 4 |
| 6 March 2026 | Stice Travis D. | Executive Chairman | Sale | 973 | $181.68 | $176,771 | Form 4 |
| 6 March 2026 | Van'T Hof Matthew Kaes | Chief Executive Officer | Sale | 10,000 | $180.84 | $1.8 million | Form 4 |
| 6 March 2026 | Dick Teresa L. | CAO, Exec. VP, Assist. Sec. | Sale | 3,000 | $181.46 | $544,373 | Form 4 |
Open-market purchases (code P) and sales (code S) only. Option exercises, grants, tax withholding and gifts are not shown. A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Diamondback Energy, Inc.: the company's filing index.
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