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 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 | |
| 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 | |
| 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 17, 2024 (view filing) | Dec 16 | 1 day | West Steven EDirector | PPurchase | +6.00K | $162.66 | +$976.0K | +97.8%12.1K 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 | |
| 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 | |
| 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 | |
| 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 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 |
| 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 |
| 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 | |
| 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 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 | |
| Dec 1, 2025 (view filing) | Nov 26 | 5 days | Wesson Daniel NExec. VP & COO | SSale | −4.00K | $149.24 | −$597.0K | −4.8%80.1K after | |
| Dec 2, 2025 (view filing)5:02 PM ET | Nov 28 | 4 days | Greth Lyndal and 1 other10% Owner | SSale | −2.00M | $152.59 | −$305.2M | −2.0%99.7M after | |
| Dec 8, 2025 (view filing) | Dec 4 | 4 days | Meloy Charles AlvinDirector | SSale | −377.9K | $138.61 | −$52.4M | −26.6%1.04M after | |
| Dec 10, 2025 (view filing) | Dec 8 | 2 days | Meloy Charles AlvinDirector | SSale | −53 | $160.13 | −$8.49K | 0.0%1.04M after | 10b5-1 |
| Feb 4, 2026 (view filing) | Feb 2-3 | 2 days | Meloy Charles AlvinDirector | SSale | −62.8K | $161.09 | −$10.1M | −6.0%982.0K after | 4 lots10b5-1 |
| Feb 5, 2026 (view filing)4:15 PM ET | Feb 3-4 | 2 days | Greth Lyndal and 1 other10% Owner | SSale | −2.00M | $165.94 | −$331.9M | −2.0%97.7M after | 2 lots |
| Mar 5, 2026 (view filing)4:15 PM ET | Mar 4 | 1 day | Greth Lyndal and 1 other10% Owner | SSale | −1.00M | $176.71 | −$176.7M | −1.0%96.7M after | |
| Mar 10, 2026 (view filing) | Mar 6-9 | 4 days | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −5.50K | $183.07 | −$1.01M | −4.7%112.8K after | 2 lots |
| Mar 10, 2026 (view filing) | Mar 6 | 4 days | Van't Hof Matthew KaesChief Executive Officer | SSale | −10.0K | $180.84 | −$1.81M | −6.3%148.6K after | |
| Mar 10, 2026 (view filing) | Mar 6 | 4 days | Stice Travis D.Executive Chairman | SSale | −64.0K | $181.16 | −$11.6M | −17.3%305.3K after | 2 lots |
| Mar 10, 2026 (view filing) | Mar 6 | 4 days | Stice Travis D.Executive Chairman | SSale | −36.0K | $181.08 | −$6.53M | −22.6%123.7K after | 2 lots |
| Mar 10, 2026 (view filing) | Mar 6 | 4 days | Wesson Daniel NExec. VP & COO | SSale | −20.0K | $181.11 | −$3.62M | −19.4%83.3K after | 2 lots |
| Mar 10, 2026 (view filing) | Mar 6 | 4 days | Thompson Jere W IIICFO, Executive VP | SSale | −750 | $181.68 | −$136.3K | −3.5%20.7K after | |
| Mar 11, 2026 (view filing) | Mar 9-10 | 2 days | Meloy Charles AlvinDirector | SSale | −15.7K | $181.50 | −$2.85M | −1.6%966.3K after | 13 lots10b5-1 |
| Mar 16, 2026 (view filing)4:31 PM ET | Mar 12 | 4 days | Greth Lyndal and 1 other10% Owner | SSale | −12.7M | $170.19 | −$2.15B | −13.1%84.0M after | |
| Mar 17, 2026 (view filing) | Mar 13 | 4 days | Barkmann AlbertExec. VP and Chief Engineer | SSale | −4.00K | $182.90 | −$731.6K | −12.7%27.6K after | |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Thompson Jere W IIICFO, Executive VP | SSale | −750 | $182.47 | −$136.9K | −3.6%20.0K after | |
| Mar 17, 2026 (view filing) | Mar 13 | 4 days | Zmigrosky MattEVP, Chief Legal and Admin Off | SSale | −20.9K | $180.00 | −$3.76M | −25.7%60.5K after | |
| Mar 19, 2026 (view filing) | Mar 18 | 1 day | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −5.00K | $190.00 | −$950.0K | −4.4%107.8K after | |
| Mar 19, 2026 (view filing) | Mar 18 | 1 day | Zmigrosky MattEVP, Chief Legal and Admin Off | SSale | −4.10K | $190.51 | −$781.3K | −6.8%56.4K after | |
| Mar 19, 2026 (view filing) | Mar 18 | 1 day | West Steven EDirector | SSale | −6.00K | $188.35 | −$1.13M | −57.2%4.48K after | |
| Mar 24, 2026 (view filing) | Mar 20 | 4 days | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −5.00K | $193.00 | −$965.0K | −4.6%102.8K after | |
| Mar 24, 2026 (view filing) | Mar 20 | 4 days | Wesson Daniel NExec. VP & COO | SSale | −5.00K | $191.96 | −$959.8K | −6.0%78.3K after | |
| Apr 8, 2026 (view filing) | Apr 6-7 | 2 days | Meloy Charles AlvinDirector | SSale | −15.7K | $195.47 | −$3.07M | −1.6%950.6K after | 7 lots10b5-1 |
| May 11, 2026 (view filing) | May 7-8 | 4 days | Meloy Charles AlvinDirector | SSale | −15.7K | $189.14 | −$2.97M | −1.7%934.9K after | 7 lots10b5-1 |
| May 14, 2026 (view filing) | May 14 | Same day | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −5.00K | $200.00 | −$1.00M | −4.9%97.8K after | |
| May 14, 2026 (view filing) | May 13 | 1 day | Zmigrosky MattEVP, Chief Legal and Admin Off | SSale | −5.00K | $200.10 | −$1.00M | −8.9%51.4K after | |
| May 19, 2026 (view filing) | May 15 | 4 days | Thompson Jere W IIICFO, Executive VP | SSale | −1.00K | $203.16 | −$203.2K | −5.0%19.0K after | |
| May 19, 2026 (view filing) | May 15 | 4 days | Barkmann AlbertExec. VP and Chief Engineer | SSale | −3.00K | $204.04 | −$612.1K | −10.9%24.6K after | |
| May 21, 2026 (view filing) | May 19 | 2 days | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −5.00K | $207.00 | −$1.03M | −5.1%92.8K after | |
| Jun 2, 2026 (view filing) | Jun 1 | 1 day | Zmigrosky MattEVP, Chief Legal and Admin Off | SSale | −5.00K | $200.54 | −$1.00M | −9.7%46.4K after | |
| Jun 2, 2026 (view filing) | Jun 2 | Same day | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −7.00K | $200.90 | −$1.41M | −7.5%85.8K after | |
| Jun 4, 2026 (view filing) | Jun 3 | 1 day | Zmigrosky MattEVP, Chief Legal and Admin Off | SSale | −5.00K | $210.00 | −$1.05M | −10.8%41.4K after | |
| Jun 4, 2026 (view filing) | Jun 3 | 1 day | Van't Hof Matthew KaesChief Executive Officer | SSale | −15.0K | $208.33 | −$3.13M | −10.1%133.6K after | 2 lots |
| Jun 5, 2026 (view filing)4:05 PM ET | Jun 4 | 1 day | Greth Lyndal and 1 other10% Owner | SSale | −10.0M | $204.25 | −$2.04B | −11.9%74.0M after | |
| Jun 8, 2026 (view filing) | Jun 4 | 4 days | Dick Teresa L.CAO, Exec. VP, Assist. Sec. | SSale | −5.00K | $205.00 | −$1.02M | −5.8%80.8K after |