The Filings Report

Diamondback Energy insider trading

FANGfinancial statementsForm 4 filings on EDGAR263 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at Diamondback Energy bought $0 of stock in the open market, and 9 sold $3.8B. Officers and directors accounted for $0 of purchases and $28M of sales. The last reported transaction was an open-market sale by Meloy Charles Alvin on October 5, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 7, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

FANG daily priceSplit-adjusted prices in US dollars

Bought $0Sold $3.8BAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $210.00 · H $212.54 · L $209.01 · C $212.08Bought $0 (0)Sold $0 (0)
$180$190$199$209$2192026-08-04: open $189.11, high $195.50, low $188.31, close $191.872026-08-05: open $191.91, high $192.50, low $184.85, close $186.172026-08-06: open $189.55, high $190.11, low $187.06, close $189.632026-08-07: open $187.39, high $189.07, low $184.80, close $188.042026-08-10: open $190.80, high $199.43, low $190.80, close $198.972026-08-11: open $197.73, high $203.35, low $196.04, close $201.712026-08-12: open $200.48, high $201.74, low $199.53, close $200.842026-08-13: open $198.01, high $199.91, low $196.66, close $199.512026-08-14: open $200.68, high $204.57, low $200.68, close $202.472026-08-17: open $202.70, high $206.65, low $201.84, close $206.292026-08-18: open $208.93, high $210.41, low $206.47, close $210.022026-08-19: open $210.84, high $213.75, low $207.75, close $208.552026-08-20: open $213.51, high $216.90, low $209.31, close $211.022026-08-21: open $211.84, high $212.96, low $209.15, close $210.722026-08-24: open $210.00, high $211.36, low $203.31, close $205.602026-08-25: open $201.60, high $204.00, low $199.47, close $199.892026-08-26: open $197.93, high $202.00, low $196.65, close $199.842026-08-27: open $200.43, high $201.60, low $197.69, close $200.522026-08-28: open $201.62, high $202.40, low $197.06, close $197.672026-08-31: open $202.02, high $204.80, low $198.45, close $200.482026-09-01: open $205.00, high $205.00, low $199.05, close $203.162026-09-02: open $200.83, high $204.85, low $200.71, close $203.422026-09-03: open $203.31, high $204.25, low $201.33, close $202.942026-09-04: open $201.58, high $201.58, low $197.73, close $199.222026-09-08: open $201.83, high $204.97, low $198.41, close $199.652026-09-09: open $202.17, high $204.59, low $200.19, close $202.632026-09-10: open $207.33, high $207.57, low $200.98, close $205.392026-09-11: open $204.68, high $205.07, low $200.87, close $204.972026-09-14: open $208.30, high $210.89, low $204.07, close $205.722026-09-15: open $207.23, high $213.31, low $206.78, close $211.532026-09-16: open $197.03, high $198.65, low $191.49, close $194.542026-09-17: open $191.08, high $197.15, low $190.92, close $196.942026-09-18: open $196.94, high $196.94, low $191.96, close $192.422026-09-21: open $189.88, high $190.75, low $187.52, close $189.272026-09-22: open $186.01, high $188.72, low $184.29, close $184.502026-09-23: open $185.77, high $188.20, low $183.51, close $185.652026-09-24: open $187.96, high $191.40, low $186.11, close $189.012026-09-25: open $186.46, high $187.77, low $185.51, close $186.672026-09-28: open $190.57, high $190.57, low $184.50, close $185.232026-09-29: open $182.33, high $184.55, low $181.91, close $183.952026-09-30: open $184.98, high $186.18, low $183.70, close $183.812026-10-01: open $183.21, high $185.87, low $182.94, close $185.512026-10-02: open $183.29, high $185.68, low $183.27, close $184.712026-10-05: open $183.96, high $186.00, low $182.38, close $184.082026-10-06: open $182.00, high $185.77, low $182.00, close $184.982026-10-07: open $186.81, high $188.00, low $181.85, close $184.382026-10-08: open $187.39, high $192.38, low $187.39, close $191.682026-10-09: open $191.68, high $194.39, low $191.50, close $192.132026-10-12: open $194.95, high $198.34, low $194.68, close $195.112026-10-13: open $196.33, high $198.67, low $195.25, close $198.182026-10-14: open $200.12, high $200.65, low $196.80, close $197.512026-10-15: open $199.47, high $199.47, low $194.00, close $195.632026-10-16: open $197.01, high $204.10, low $197.01, close $203.952026-10-19: open $202.18, high $205.63, low $201.80, close $203.122026-10-20: open $206.11, high $206.11, low $198.41, close $202.422026-10-21: open $201.24, high $203.37, low $199.47, close $200.932026-10-22: open $202.50, high $203.35, low $194.85, close $197.142026-10-23: open $198.99, high $207.17, low $197.75, close $205.752026-10-26: open $205.75, high $208.65, low $204.27, close $207.132026-10-27: open $206.07, high $207.60, low $202.74, close $204.482026-10-28: open $206.32, high $208.03, low $204.67, close $206.222026-10-29: open $208.17, high $208.64, low $204.07, close $206.432026-10-30: open $210.00, high $212.54, low $209.01, close $212.08Insider purchases / sales · USD$5B$0−$5B2026-08-11: 0 purchases ($0), 1 sales ($1M)2026-08-14: 0 purchases ($0), 2 sales ($609K)2026-08-20: 0 purchases ($0), 3 sales ($4M)2026-08-21: 0 purchases ($0), 1 sales ($211K)2026-09-11: 0 purchases ($0), 1 sales ($15M)2026-09-15: 0 purchases ($0), 2 sales ($1M)2026-09-16: 0 purchases ($0), 2 sales ($3.7B)2026-10-05: 0 purchases ($0), 3 sales ($6M)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

263 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 5, 2026Meloy Charles AlvinDirectoropen-market sale10b5-1indirect20,503$183.17$4M772,694Oct 7, 2026
Oct 5, 2026Meloy Charles AlvinDirectoropen-market sale10b5-1indirect6,476$184.31$1M766,218Oct 7, 2026
Oct 5, 2026Meloy Charles AlvinDirectoropen-market sale10b5-1indirect6,354$184.99$1M759,864Oct 7, 2026
Sep 16, 2026SGF FANG Holdings, LP+1 more10% owneropen-market sale9M$205.26$1.9B65MSep 17, 2026
Sep 16, 2026SGF FANG Holdings, LP+1 more10% owneropen-market sale9M$205.26$1.9B65MSep 17, 2026
Sep 16, 2026Meloy Charles AlvinDirectorgiftindirect12,500$0.00—0Sep 17, 2026
Sep 16, 2026Meloy Charles AlvinDirectorgift25,000$0.00—28,257Sep 17, 2026
Sep 15, 2026Zmigrosky MattEVP, Chief Legal and Admin Offopen-market sale1,326$212.56$282K36,705Sep 17, 2026
Sep 15, 2026Dick Teresa L.EVP Accounting, Assist. Sec.open-market sale5,000$210.00$1M75,755Sep 17, 2026
Sep 15, 2026Meloy Charles AlvinDirectorgiftindirect25,000$0.00—793,197Sep 17, 2026
Sep 15, 2026Meloy Charles AlvinDirectorgiftindirect12,500$0.00—12,500Sep 17, 2026
Sep 11, 2026Stice Travis D.Directoropen-market sale75,000$204.31$15M49,727Sep 14, 2026
Sep 10, 2026Zmigrosky MattEVP, Chief Legal and Admin Offtax withholding861$202.63$174K38,031Sep 14, 2026
Sep 10, 2026Barkmann AlbertExec. VP and Chief Engineertax withholding682$202.63$138K23,889Sep 14, 2026
Aug 21, 2026Plaumann Mark LawrenceDirectoropen-market sale1,000$210.58$211K12,437Aug 24, 2026
Aug 20, 2026Van't Hof Matthew KaesChief Executive Officer, Directoropen-market sale9,500$214.64$2M116,440Aug 24, 2026
Aug 20, 2026Van't Hof Matthew KaesChief Executive Officer, Directoropen-market sale500$215.06$108K115,940Aug 24, 2026
Aug 20, 2026Wesson Daniel NExec. VP & COOopen-market sale7,500$215.21$2M70,789Aug 24, 2026
Aug 14, 2026Zmigrosky MattEVP, Chief Legal and Admin Offopen-market sale2,500$202.77$507K38,892Aug 17, 2026
Aug 14, 2026Thompson Jere W IIICFO, Executive VPopen-market sale500$204.14$102K18,475Aug 17, 2026
Aug 11, 2026Van't Hof Matthew KaesChief Executive Officer, Directoropen-market sale5,000$202.46$1M125,940Aug 12, 2026
Aug 3, 2026Meloy Charles AlvinDirectoropen-market sale10b5-1indirect3,986$197.06$785K847,544Aug 4, 2026
Aug 3, 2026Meloy Charles AlvinDirectoropen-market sale10b5-1indirect7,562$197.91$1M839,982Aug 4, 2026
Aug 3, 2026Meloy Charles AlvinDirectoropen-market sale10b5-1indirect19,055$198.74$4M820,927Aug 4, 2026
Aug 3, 2026Meloy Charles AlvinDirectoropen-market sale10b5-1indirect2,730$199.44$544K818,197Aug 4, 2026
Jun 17, 2026Van't Hof Matthew KaesChief Executive Officer, Directorgift2,674$0.00—130,940Jun 18, 2026
Jun 16, 2026Meloy Charles AlvinDirectoropen-market sale10b5-1indirect14,538$186.37$3M920,326Jun 17, 2026
Jun 16, 2026Meloy Charles AlvinDirectoropen-market sale10b5-1indirect64,747$187.25$12M855,579Jun 17, 2026
Jun 16, 2026Meloy Charles AlvinDirectoropen-market sale10b5-1indirect4,049$187.68$760K851,530Jun 17, 2026
Jun 9, 2026Plaumann Mark LawrenceDirectoropen-market sale500$196.50$98K13,437Jun 10, 2026
Jun 4, 2026Dick Teresa L.CAO, Exec. VP, Assist. Sec.open-market sale5,000$205.00$1M80,755Jun 8, 2026
Jun 4, 2026SGF FANG Holdings, LP+1 more10% owneropen-market sale10M$204.25$2.0B74MJun 5, 2026
Jun 3, 2026Van't Hof Matthew KaesChief Executive Officer, Directoropen-market sale5,000$205.00$1M143,614Jun 4, 2026
Jun 3, 2026Van't Hof Matthew KaesChief Executive Officer, Directoropen-market sale10,000$210.00$2M133,614Jun 4, 2026
Jun 3, 2026Zmigrosky MattEVP, Chief Legal and Admin Offopen-market sale5,000$210.00$1M41,392Jun 4, 2026
Jun 2, 2026Dick Teresa L.CAO, Exec. VP, Assist. Sec.open-market sale7,000$200.90$1M85,755Jun 2, 2026
Jun 1, 2026Zmigrosky MattEVP, Chief Legal and Admin Offopen-market sale5,000$200.54$1M46,392Jun 2, 2026
May 20, 2026Trent Melanie MontagueDirectoraward982$0.00—15,039May 21, 2026
May 20, 2026Klein Rebecca ADirectoraward982$0.00—6,129May 21, 2026
May 20, 2026Mains Stephanie K.Directoraward982$0.00—11,635May 21, 2026
May 20, 2026Stice Travis D.Directoraward982$0.00—124,727May 21, 2026
May 20, 2026Holderness Darin GDirectoraward982$0.00—2,798May 21, 2026
May 20, 2026West Steven EDirectoraward982$0.00—5,466May 21, 2026
May 20, 2026Plaumann Mark LawrenceDirectoraward982$0.00—13,937May 21, 2026
May 20, 2026Meloy Charles AlvinDirectoraward982$0.00—3,257May 21, 2026
May 20, 2026Brooks Vincent KDirectorawardindirect982$0.00—11,635May 21, 2026
May 20, 2026Tsuru Frank D.Directoraward982$0.00—8,129May 21, 2026
May 20, 2026Reeves Robert KDirectoraward982$0.00—6,066May 21, 2026
May 20, 2026Robertson Lance WDirectoraward982$0.00—9,999May 21, 2026
May 19, 2026Dick Teresa L.CAO, Exec. VP, Assist. Sec.open-market sale5,000$207.00$1M92,755May 21, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
SGF FANG Holdings, LP10% ownerSep 16, 2026open-market sale65M—$8.7B (8)0 of 8
Meloy Charles AlvinDirectorOct 5, 2026open-market sale28,257—$100M (43)42 of 43
Stice Travis D.Executive Chairman, DirectorSep 11, 2026open-market sale49,727—$33M (5)0 of 5
Van't Hof Matthew KaesChief Executive Officer, DirectorAug 20, 2026open-market sale116,440—$9M (7)0 of 7
Zmigrosky MattEVP, Chief Legal and Admin OffSep 15, 2026open-market sale36,705—$9M (8)0 of 8
Dick Teresa L.EVP Accounting, Assist. Sec.Sep 15, 2026open-market sale75,755—$8M (9)0 of 9
Wesson Daniel NExec. VP & COOAug 20, 2026open-market sale70,789—$7M (5)0 of 5
Barkmann AlbertExec. VP and Chief EngineerSep 10, 2026tax withholding23,889—$1M (2)0 of 2
West Steven EDirectorMay 20, 2026award5,466—$1M (1)0 of 1
Thompson Jere W IIICFO, Executive VPAug 14, 2026open-market sale18,475—$726K (5)0 of 5
Plaumann Mark LawrenceDirectorAug 21, 2026open-market sale12,437—$309K (2)0 of 2
McAllaster ChadEVP-OperationsMar 1, 2026tax withholding5,889———
Holderness Darin GDirectorMay 20, 2026award2,798———
Tsuru Frank D.DirectorMay 20, 2026award8,129———
Reeves Robert KDirectorMay 20, 2026award6,066———
Trent Melanie MontagueDirectorMay 20, 2026award15,039———
Klein Rebecca ADirectorMay 20, 2026award6,129———
Mains Stephanie K.DirectorMay 20, 2026award11,635———
Brooks Vincent KDirectorMay 20, 2026award————
Robertson Lance WDirectorMay 20, 2026award9,999———

Questions

Are Diamondback Energy insiders buying or selling?

Over the twelve months to November 1, 2026, 11 insiders at Diamondback Energy sold $8.9B of stock in the open market ($170M by officers and directors), and no insider bought. Net, insiders sold $8.9B. Only open-market purchases and sales are counted.

Who sold the most Diamondback Energy stock in the last year?

SGF FANG Holdings, LP (10% owner) sold $8.7B in 8 open-market sales over the twelve months to November 1, 2026.

Do Diamondback Energy executives sell under 10b5-1 plans?

42 of the 95 open-market sales in the last twelve months (44%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Diamondback Energy

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.