Diamondback Energy, Inc.
FANG- Exchange
- Nasdaq
- Industry
- Crude Petroleum & Natural Gas
- SEC CIK
- 0001539838
In the last 90 days, Diamondback Energy, Inc. insiders filed 0 open-market purchases and 11 sales; 1,196 institutions reported holding it in 13F filings for Q2 2026, worth $35.4B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Diamondback Energy, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 11 filings
- 9 insiders, $1.89B in total
- Insiders trading
- 9
- Net value
- −$1.89B
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Diamondback Energy, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Greth Lyndal | 10% Owner | 64,957,047 | Sep 17, 2026 | 7 |
| SGF FANG Holdings, LP | 10% Owner | 64,957,047 | Sep 17, 2026 | 7 |
| Zmigrosky Matt | EVP, Chief Legal and Admin Off | 36,705 | Sep 17, 2026 | 10 |
| Dick Teresa L. | EVP Accounting, Assist. Sec. | 75,755 | Sep 17, 2026 | 9 |
| Meloy Charles Alvin | Director | 28,257 | Sep 17, 2026 | 11 |
| Stice Travis D. | Director | 49,727 | Sep 14, 2026 | 5 |
| Barkmann Albert | Exec. VP and Chief Engineer | 23,889 | Sep 14, 2026 | 4 |
| Van't Hof Matthew Kaes | Chief Executive Officer | 115,940 | Aug 24, 2026 | 8 |
| Wesson Daniel N | Exec. VP & COO | 70,789 | Aug 24, 2026 | 5 |
| Plaumann Mark Lawrence | Director | 12,437 | Aug 24, 2026 | 3 |
| Thompson Jere W III | CFO, Executive VP | 18,475 | Aug 17, 2026 | 6 |
| Holderness Darin G | Director | 2,798 | May 21, 2026 | 1 |
| Reeves Robert K | Director | 6,066 | May 21, 2026 | 1 |
| West Steven E | Director | 5,466 | May 21, 2026 | 2 |
| Trent Melanie Montague | Director | 15,039 | May 21, 2026 | 1 |
| Klein Rebecca A | Director | 6,129 | May 21, 2026 | 1 |
| Robertson Lance W | Director | 9,999 | May 21, 2026 | 1 |
| Mains Stephanie K. | Director | 11,635 | May 21, 2026 | 1 |
| Brooks Vincent K | Director | 11,635Indirect | May 21, 2026 | 1 |
| Tsuru Frank D. | Director | 8,129 | May 21, 2026 | 1 |
| McAllaster Chad | EVP-Operations | 5,889 | Mar 3, 2026 | 1 |
| Autry Stephens Management Trust | 10% Owner | 31,947,366Indirect | Sep 24, 2024 | 0 |
| Endeavor Manager, LLC | 10% Owner | 31,947,366Indirect | Sep 24, 2024 | 0 |
| Stephens Family Trust #2 | 10% Owner | 31,947,366Indirect | Sep 24, 2024 | 0 |
| Stephens Family Trust | 10% Owner | 31,947,366Indirect | Sep 24, 2024 | 0 |
| SFT 2 Holdings, LLC | 10% Owner | 31,947,366Indirect | Sep 24, 2024 | 0 |
| SFT 1 Holdings, LLC | 10% Owner | 31,947,366Indirect | Sep 24, 2024 | 0 |
| SFT Management, LLC | 10% Owner | 31,947,366Indirect | Sep 24, 2024 | 0 |
| ACS Capital Management, LLC | 10% Owner | 31,947,366Indirect | Sep 24, 2024 | 0 |
| ACS Capital Holdings, LP | 10% Owner | 31,947,366Indirect | Sep 24, 2024 | 0 |
| Houston David L | Director | 12,600 | Jun 10, 2024 | 0 |
| Soliman Jennifer | Exec. VP and Chief HR Officer | 10,989 | Jan 12, 2023 | 0 |
| Cross Michael P | Director | 13,538Indirect | Jun 13, 2022 | 0 |
| Hawkins Thomas F. | Exec. VP - Special Projects | 13,795 | Mar 3, 2022 | 0 |
| Pantermuehl Russell | Exec. VP & Chief Engineer | 123,419 | Dec 9, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 23, 2022 (view filing) | Mar 21 | 2 days | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −2.50K | $140.03 | −$350.1K | −4.0%59.8K after | |
| Mar 9, 2022 (view filing) | Mar 7 | 2 days | Soliman JenniferExec. VP and Chief HR Officer | SSale | −2.10K | $140.00 | −$294.0K | −18.1%9.51K after | |
| Mar 8, 2022 (view filing) | Mar 4 | 4 days | Zmigrosky MattExec. VP, Gen Counsel and Sec | SSale | −3.00K | $136.77 | −$410.3K | −11.4%23.3K after | |
| Mar 3, 2022 (view filing) | Mar 1 | 2 days | Cross Michael PDirector | SSale | −4.00K | $139.00 | −$556.0K | −24.6%12.3K after | |
| Mar 3, 2022 (view filing) | Mar 3 | Same day | Wesson Daniel NExec. VP & COO | SSale | −3.50K | $134.95 | −$472.3K | −9.4%33.7K after | |
| Mar 3, 2022 (view filing) | Mar 2 | 1 day | Hawkins Thomas F.Exec. VP - Special Projects | SSale | −8.00K | $137.68 | −$1.10M | −36.7%13.8K after | 2 lots |
| Dec 9, 2021 (view filing) | Dec 7 | 2 days | Pantermuehl RussellExec. VP & Chief Engineer | SSale | −10.0K | $114.93 | −$1.15M | −7.5%123.4K after | |
| Dec 9, 2021 (view filing) | Dec 8 | 1 day | Zmigrosky MattExec. VP, Gen Counsel and Sec | SSale | −1.71K | $114.31 | −$195.5K | −9.2%16.9K after | |
| Dec 2, 2021 (view filing) | Dec 1 | 1 day | Wesson Daniel NExec. VP - Operations | SSale | −2.40K | $108.48 | −$260.4K | −7.5%29.8K after | |
| Nov 10, 2021 (view filing) | Nov 8 | 2 days | West Steven EDirector | SSale | −8.50K | $117.43 | −$998.2K | −57.9%6.19K after | |
| Nov 10, 2021 (view filing) | Nov 8 | 2 days | Cross Michael PDirector | SSale | −3.00K | $117.18 | −$351.5K | −15.6%16.3K after | |
| Nov 9, 2021 (view filing) | Nov 5-8 | 4 days | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −7.50K | $115.81 | −$868.5K | −12.4%53.0K after | 3 lots |
| Nov 8, 2021 (view filing) | Nov 4 | 4 days | Van't Hof Matthew KaesCFO & Exec. VP - Bus Dev | SSale | −5.50K | $111.35 | −$612.4K | −8.3%60.4K after | |
| Jul 6, 2021 (view filing) | Jul 1 | 5 days | Stice Travis D.Chief Executive Officer | SSale | −40.0K | $100.00 | −$4.00M | −8.7%417.8K after |