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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov 18, 2025 (view filing) | Nov 14 | 4 days | Zmigrosky MattEVP, Chief Legal and Admin Off | SSale | −3.50K | $148.18 | −$518.6K | −5.2%63.5K after | |
| Nov 13, 2025 (view filing) | Nov 11 | 2 days | Thompson Jere W IIICFO, Executive VP | SSale | −1.00K | $147.73 | −$147.7K | −7.3%12.8K after | |
| Nov 10, 2025 (view filing) | Nov 6 | 4 days | Van't Hof Matthew KaesChief Executive Officer | SSale | −10.0K | $140.61 | −$1.41M | −7.7%119.3K after | |
| Aug 11, 2025 (view filing) | Aug 7 | 4 days | Stice Travis D.Executive Chairman | SSale | −20.4K | $142.80 | −$2.91M | −100.0%0 after | 7 lots |
| Jun 20, 2025 (view filing) | Jun 17-18 | 3 days | Meloy Charles AlvinDirector | SSale | −6.15K | $155.29 | −$955.5K | −0.6%1.08M after | 3 lots10b5-1 |
| Jun 11, 2025 (view filing) | Jun 9 | 2 days | Thompson Jere W IIICFO, Executive VP | SSale | −1.50K | $141.52 | −$212.3K | −9.8%13.8K after | |
| Jun 5, 2025 (view filing) | Jun 3 | 2 days | Wesson Daniel NExec. VP & COO | SSale | −5.00K | $142.06 | −$710.3K | −5.6%84.1K after | |
| May 14, 2025 (view filing) | May 12 | 2 days | Van't Hof Matthew KaesPresident | SSale | −10.0K | $142.69 | −$1.43M | −7.7%120.6K after | |
| Mar 4, 2025 (view filing) | Feb 28 | 4 days | Tsuru Frank D.Director | PPurchase | +2.00K | $156.51 | +$313.0K | +53.6%5.73K after | |
| Dec 17, 2024 (view filing) | Dec 16 | 1 day | West Steven EDirector | PPurchase | +6.00K | $162.66 | +$976.0K | +97.8%12.1K after | |
| Dec 17, 2024 (view filing) | Dec 13 | 4 days | Van't Hof Matthew KaesPresident & CFO | SSale | −4.00K | $163.48 | −$653.9K | −4.0%96.7K after | |
| Dec 9, 2024 (view filing) | Dec 5 | 4 days | Stice Travis D.Chief Executive Officer | SSale | −3.00K | $172.51 | −$517.5K | −12.8%20.4K after | |
| Nov 14, 2024 (view filing) | Nov 13 | 1 day | Plaumann Mark LawrenceDirector | SSale | −1.15K | $181.00 | −$208.2K | −19.6%4.71K after | |
| Nov 14, 2024 (view filing) | Nov 13 | 1 day | Plaumann Mark LawrenceDirector | SSale | −240 | $181.00 | −$43.4K | −2.5%9.24K after | |
| Nov 12, 2024 (view filing) | Nov 8 | 4 days | Reeves Robert KDirector | PPurchase | +2.83K | $180.00 | +$509.8K | +339.2%3.67K after | |
| Sep 24, 2024 (view filing)9:53 PM ET | Sep 23 | 1 day | Autry Stephens Management Trust and 9 others10% Owner | SSale | −13.2M | $175.11 | −$2.31B | −29.3%31.9M after | 4 lots |
| Aug 12, 2024 (view filing) | Aug 9 | 3 days | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −5.00K | $200.00 | −$1.00M | −5.3%89.0K after | |
| Aug 12, 2024 (view filing) | Aug 8 | 4 days | Van't Hof Matthew KaesPresident & CFO | SSale | −50.0K | $198.15 | −$9.91M | −33.2%100.7K after | 2 lots |
| Jun 12, 2024 (view filing) | Jun 10 | 2 days | Barkmann AlbertExec. VP and Chief Engineer | SSale | −1.00K | $194.75 | −$194.8K | −6.2%15.2K after | |
| Jun 12, 2024 (view filing) | Jun 10 | 2 days | Wesson Daniel NExec. VP & COO | SSale | −4.00K | $194.69 | −$778.8K | −5.7%65.7K after | |
| May 29, 2024 (view filing) | May 28 | 1 day | Wesson Daniel NExec. VP & COO | SSale | −6.00K | $197.14 | −$1.18M | −7.9%69.7K after | |
| May 20, 2024 (view filing) | May 17 | 3 days | Zmigrosky MattEVP, Chief Legal and Admin Off | SSale | −6.00K | $198.15 | −$1.19M | −13.5%38.4K after | |
| May 20, 2024 (view filing) | May 16 | 4 days | Van't Hof Matthew KaesPresident & CFO | SSale | −25.0K | $195.69 | −$4.89M | −13.4%160.9K after | 2 lots |
| May 7, 2024 (view filing) | May 3 | 4 days | Thompson Jere W IIIExec. VP - Strategy & Corp Dev | SSale | −900 | $199.90 | −$179.9K | −10.6%7.58K after | |
| Apr 4, 2024 (view filing) | Apr 2 | 2 days | Stice Travis D.Chief Executive Officer | SSale | −30.0K | $200.00 | −$6.00M | −6.3%446.6K after | 10b5-1 |
| Mar 25, 2024 (view filing) | Mar 21 | 4 days | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −2.00K | $193.92 | −$387.8K | −2.1%94.5K after | |
| Mar 25, 2024 (view filing) | Mar 21 | 4 days | Zmigrosky MattEVP, Chief Legal and Admin Off | SSale | −5.00K | $193.94 | −$969.7K | −10.1%44.4K after | |
| Mar 21, 2024 (view filing) | Mar 20 | 1 day | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −2.00K | $192.00 | −$384.0K | −2.0%96.5K after | |
| Mar 21, 2024 (view filing) | Mar 19 | 2 days | Wesson Daniel NExec. VP & COO | SSale | −6.00K | $192.17 | −$1.15M | −7.1%78.2K after | |
| Mar 21, 2024 (view filing) | Mar 19 | 2 days | Thompson Jere W IIIExec. VP - Strategy & Corp Dev | SSale | −2.67K | $192.35 | −$514.5K | −24.0%8.48K after | |
| Mar 21, 2024 (view filing) | Mar 20 | 1 day | Barkmann AlbertExec. VP and Chief Engineer | SSale | −1.07K | $190.75 | −$203.3K | −6.1%16.3K after | |
| Mar 21, 2024 (view filing) | Mar 20 | 1 day | Van't Hof Matthew KaesPresident & CFO | SSale | −12.0K | $190.82 | −$2.29M | −6.1%185.9K after | |
| Feb 20, 2024 (view filing) | Feb 15 | 5 days | Stice Travis D.Chief Executive Officer | SSale | −30.0K | $175.00 | −$5.25M | −7.2%386.2K after | 10b5-1 |
| Jan 4, 2024 (view filing) | Jan 3 | 1 day | Stice Travis D.Chief Executive Officer | SSale | −30.0K | $160.01 | −$4.80M | −6.7%416.2K after | 10b5-1 |
| Dec 18, 2023 (view filing) | Dec 14 | 4 days | Van't Hof Matthew KaesPresident & CFO | SSale | −4.00K | $153.32 | −$613.3K | −2.6%152.0K after | |
| Sep 14, 2023 (view filing) | Sep 12 | 2 days | Zmigrosky MattEVP, Chief Legal and Admin Off | SSale | −2.71K | $157.17 | −$425.3K | −9.0%27.5K after | |
| Sep 14, 2023 (view filing) | Sep 12 | 2 days | Houston David LDirector | SSale | −8.00K | $156.54 | −$1.25M | −40.9%11.6K after | |
| Aug 14, 2023 (view filing) | Aug 10 | 4 days | West Steven EDirector | SSale | −8.00K | $150.65 | −$1.21M | −61.1%5.10K after | |
| Aug 7, 2023 (view filing) | Aug 3 | 4 days | Wesson Daniel NExec. VP & COO | SSale | −4.00K | $149.68 | −$598.7K | −6.1%61.8K after | |
| Aug 7, 2023 (view filing) | Aug 4 | 3 days | Van't Hof Matthew KaesPresident & CFO | SSale | −9.00K | $148.98 | −$1.34M | −5.5%156.0K after | |
| Aug 7, 2023 (view filing) | Aug 3 | 4 days | Zmigrosky MattEVP, Chief Legal and Admin Off | SSale | −5.81K | $150.16 | −$872.7K | −16.1%30.2K after | |
| Jun 15, 2023 (view filing) | Jun 13 | 2 days | Stice Travis D.Chief Executive Officer | SSale | −11.6K | $132.13 | −$1.53M | −33.1%23.4K after | |
| Jun 15, 2023 (view filing) | Jun 13 | 2 days | Van't Hof Matthew KaesPresident & CFO | SSale | −7.50K | $132.10 | −$990.8K | −4.3%165.0K after | |
| Jun 12, 2023 (view filing) | Jun 9 | 3 days | Wesson Daniel NExec. VP & COO | SSale | −3.00K | $132.51 | −$397.5K | −4.4%65.8K after | |
| Dec 22, 2022 (view filing) | Dec 21 | 1 day | Zmigrosky MattExec. VP, Gen Counsel and Sec | SSale | −2.01K | $136.96 | −$275.6K | −7.8%23.6K after | |
| Jun 9, 2022 (view filing) | Jun 7 | 2 days | Van't Hof Matthew KaesPresident & CFO | SSale | −6.00K | $160.00 | −$960.0K | −8.9%61.3K after | |
| May 31, 2022 (view filing) | May 27 | 4 days | Stice Travis D.Chief Executive Officer | SSale | −30.0K | $150.01 | −$4.50M | −6.5%428.5K after | |
| May 31, 2022 (view filing) | May 27 | 4 days | Van't Hof Matthew KaesPresident & CFO | SSale | −6.00K | $150.00 | −$900.0K | −8.2%67.3K after | |
| May 31, 2022 (view filing) | May 27 | 4 days | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −2.50K | $152.22 | −$380.6K | −4.2%57.3K after | |
| Apr 6, 2022 (view filing) | Apr 4 | 2 days | Van't Hof Matthew KaesPresident & CFO | SSale | −6.00K | $140.02 | −$840.1K | −7.6%73.3K after |