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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.

Insider roster for Diamondback Energy, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Greth Lyndal10% Owner64,957,047Sep 17, 20267
SGF FANG Holdings, LP10% Owner64,957,047Sep 17, 20267
Zmigrosky MattEVP, Chief Legal and Admin Off36,705Sep 17, 202610
Dick Teresa L.EVP Accounting, Assist. Sec.75,755Sep 17, 20269
Meloy Charles AlvinDirector28,257Sep 17, 202611
Stice Travis D.Director49,727Sep 14, 20265
Barkmann AlbertExec. VP and Chief Engineer23,889Sep 14, 20264
Van't Hof Matthew KaesChief Executive Officer115,940Aug 24, 20268
Wesson Daniel NExec. VP & COO70,789Aug 24, 20265
Plaumann Mark LawrenceDirector12,437Aug 24, 20263
Thompson Jere W IIICFO, Executive VP18,475Aug 17, 20266
Holderness Darin GDirector2,798May 21, 20261
Reeves Robert KDirector6,066May 21, 20261
West Steven EDirector5,466May 21, 20262
Trent Melanie MontagueDirector15,039May 21, 20261
Klein Rebecca ADirector6,129May 21, 20261
Robertson Lance WDirector9,999May 21, 20261
Mains Stephanie K.Director11,635May 21, 20261
Brooks Vincent KDirector11,635IndirectMay 21, 20261
Tsuru Frank D.Director8,129May 21, 20261
McAllaster ChadEVP-Operations5,889Mar 3, 20261
Autry Stephens Management Trust10% Owner31,947,366IndirectSep 24, 20240
Endeavor Manager, LLC10% Owner31,947,366IndirectSep 24, 20240
Stephens Family Trust #210% Owner31,947,366IndirectSep 24, 20240
Stephens Family Trust10% Owner31,947,366IndirectSep 24, 20240
SFT 2 Holdings, LLC10% Owner31,947,366IndirectSep 24, 20240
SFT 1 Holdings, LLC10% Owner31,947,366IndirectSep 24, 20240
SFT Management, LLC10% Owner31,947,366IndirectSep 24, 20240
ACS Capital Management, LLC10% Owner31,947,366IndirectSep 24, 20240
ACS Capital Holdings, LP10% Owner31,947,366IndirectSep 24, 20240
Houston David LDirector12,600Jun 10, 20240
Soliman JenniferExec. VP and Chief HR Officer10,989Jan 12, 20230
Cross Michael PDirector13,538IndirectJun 13, 20220
Hawkins Thomas F.Exec. VP - Special Projects13,795Mar 3, 20220
Pantermuehl RussellExec. VP & Chief Engineer123,419Dec 9, 20210

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.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 18, 2025 (view filing)Nov 144 daysZmigrosky MattEVP, Chief Legal and Admin OffSSale−3.50K$148.18−$518.6K−5.2%63.5K after
Nov 13, 2025 (view filing)Nov 112 daysThompson Jere W IIICFO, Executive VPSSale−1.00K$147.73−$147.7K−7.3%12.8K after
Nov 10, 2025 (view filing)Nov 64 daysVan't Hof Matthew KaesChief Executive OfficerSSale−10.0K$140.61−$1.41M−7.7%119.3K after
Aug 11, 2025 (view filing)Aug 74 daysStice Travis D.Executive ChairmanSSale−20.4K$142.80−$2.91M−100.0%0 after7 lots
Jun 20, 2025 (view filing)Jun 17-183 daysMeloy Charles AlvinDirectorSSale−6.15K$155.29−$955.5K−0.6%1.08M after3 lots10b5-1
Jun 11, 2025 (view filing)Jun 92 daysThompson Jere W IIICFO, Executive VPSSale−1.50K$141.52−$212.3K−9.8%13.8K after
Jun 5, 2025 (view filing)Jun 32 daysWesson Daniel NExec. VP & COOSSale−5.00K$142.06−$710.3K−5.6%84.1K after
May 14, 2025 (view filing)May 122 daysVan't Hof Matthew KaesPresidentSSale−10.0K$142.69−$1.43M−7.7%120.6K after
Mar 4, 2025 (view filing)Feb 284 daysTsuru Frank D.DirectorPPurchase+2.00K$156.51+$313.0K+53.6%5.73K after
Dec 17, 2024 (view filing)Dec 161 dayWest Steven EDirectorPPurchase+6.00K$162.66+$976.0K+97.8%12.1K after
Dec 17, 2024 (view filing)Dec 134 daysVan't Hof Matthew KaesPresident & CFOSSale−4.00K$163.48−$653.9K−4.0%96.7K after
Dec 9, 2024 (view filing)Dec 54 daysStice Travis D.Chief Executive OfficerSSale−3.00K$172.51−$517.5K−12.8%20.4K after
Nov 14, 2024 (view filing)Nov 131 dayPlaumann Mark LawrenceDirectorSSale−1.15K$181.00−$208.2K−19.6%4.71K after
Nov 14, 2024 (view filing)Nov 131 dayPlaumann Mark LawrenceDirectorSSale−240$181.00−$43.4K−2.5%9.24K after
Nov 12, 2024 (view filing)Nov 84 daysReeves Robert KDirectorPPurchase+2.83K$180.00+$509.8K+339.2%3.67K after
Sep 24, 2024 (view filing)9:53 PM ETSep 231 dayAutry Stephens Management Trust and 9 others10% OwnerSSale−13.2M$175.11−$2.31B−29.3%31.9M after4 lots
Aug 12, 2024 (view filing)Aug 93 daysDick 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 84 daysVan't Hof Matthew KaesPresident & CFOSSale−50.0K$198.15−$9.91M−33.2%100.7K after2 lots
Jun 12, 2024 (view filing)Jun 102 daysBarkmann AlbertExec. VP and Chief EngineerSSale−1.00K$194.75−$194.8K−6.2%15.2K after
Jun 12, 2024 (view filing)Jun 102 daysWesson Daniel NExec. VP & COOSSale−4.00K$194.69−$778.8K−5.7%65.7K after
May 29, 2024 (view filing)May 281 dayWesson Daniel NExec. VP & COOSSale−6.00K$197.14−$1.18M−7.9%69.7K after
May 20, 2024 (view filing)May 173 daysZmigrosky MattEVP, Chief Legal and Admin OffSSale−6.00K$198.15−$1.19M−13.5%38.4K after
May 20, 2024 (view filing)May 164 daysVan't Hof Matthew KaesPresident & CFOSSale−25.0K$195.69−$4.89M−13.4%160.9K after2 lots
May 7, 2024 (view filing)May 34 daysThompson Jere W IIIExec. VP - Strategy & Corp DevSSale−900$199.90−$179.9K−10.6%7.58K after
Apr 4, 2024 (view filing)Apr 22 daysStice Travis D.Chief Executive OfficerSSale−30.0K$200.00−$6.00M−6.3%446.6K after10b5-1
Mar 25, 2024 (view filing)Mar 214 daysDick 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 214 daysZmigrosky MattEVP, Chief Legal and Admin OffSSale−5.00K$193.94−$969.7K−10.1%44.4K after
Mar 21, 2024 (view filing)Mar 201 dayDick 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 192 daysWesson Daniel NExec. VP & COOSSale−6.00K$192.17−$1.15M−7.1%78.2K after
Mar 21, 2024 (view filing)Mar 192 daysThompson Jere W IIIExec. VP - Strategy & Corp DevSSale−2.67K$192.35−$514.5K−24.0%8.48K after
Mar 21, 2024 (view filing)Mar 201 dayBarkmann AlbertExec. VP and Chief EngineerSSale−1.07K$190.75−$203.3K−6.1%16.3K after
Mar 21, 2024 (view filing)Mar 201 dayVan't Hof Matthew KaesPresident & CFOSSale−12.0K$190.82−$2.29M−6.1%185.9K after
Feb 20, 2024 (view filing)Feb 155 daysStice Travis D.Chief Executive OfficerSSale−30.0K$175.00−$5.25M−7.2%386.2K after10b5-1
Jan 4, 2024 (view filing)Jan 31 dayStice Travis D.Chief Executive OfficerSSale−30.0K$160.01−$4.80M−6.7%416.2K after10b5-1
Dec 18, 2023 (view filing)Dec 144 daysVan't Hof Matthew KaesPresident & CFOSSale−4.00K$153.32−$613.3K−2.6%152.0K after
Sep 14, 2023 (view filing)Sep 122 daysZmigrosky MattEVP, Chief Legal and Admin OffSSale−2.71K$157.17−$425.3K−9.0%27.5K after
Sep 14, 2023 (view filing)Sep 122 daysHouston David LDirectorSSale−8.00K$156.54−$1.25M−40.9%11.6K after
Aug 14, 2023 (view filing)Aug 104 daysWest Steven EDirectorSSale−8.00K$150.65−$1.21M−61.1%5.10K after
Aug 7, 2023 (view filing)Aug 34 daysWesson Daniel NExec. VP & COOSSale−4.00K$149.68−$598.7K−6.1%61.8K after
Aug 7, 2023 (view filing)Aug 43 daysVan't Hof Matthew KaesPresident & CFOSSale−9.00K$148.98−$1.34M−5.5%156.0K after
Aug 7, 2023 (view filing)Aug 34 daysZmigrosky MattEVP, Chief Legal and Admin OffSSale−5.81K$150.16−$872.7K−16.1%30.2K after
Jun 15, 2023 (view filing)Jun 132 daysStice Travis D.Chief Executive OfficerSSale−11.6K$132.13−$1.53M−33.1%23.4K after
Jun 15, 2023 (view filing)Jun 132 daysVan't Hof Matthew KaesPresident & CFOSSale−7.50K$132.10−$990.8K−4.3%165.0K after
Jun 12, 2023 (view filing)Jun 93 daysWesson Daniel NExec. VP & COOSSale−3.00K$132.51−$397.5K−4.4%65.8K after
Dec 22, 2022 (view filing)Dec 211 dayZmigrosky MattExec. VP, Gen Counsel and SecSSale−2.01K$136.96−$275.6K−7.8%23.6K after
Jun 9, 2022 (view filing)Jun 72 daysVan't Hof Matthew KaesPresident & CFOSSale−6.00K$160.00−$960.0K−8.9%61.3K after
May 31, 2022 (view filing)May 274 daysStice Travis D.Chief Executive OfficerSSale−30.0K$150.01−$4.50M−6.5%428.5K after
May 31, 2022 (view filing)May 274 daysVan't Hof Matthew KaesPresident & CFOSSale−6.00K$150.00−$900.0K−8.2%67.3K after
May 31, 2022 (view filing)May 274 daysDick 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 42 daysVan't Hof Matthew KaesPresident & CFOSSale−6.00K$140.02−$840.1K−7.6%73.3K after