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Diamondback Energy, Inc. planned insider sales

In the twelve months since 23 September 2025 insiders at Diamondback Energy, Inc. filed 42 Form 144 notices of planned sales, 19.7 million shares worth $4.11 billion at the time of filing, from 12 sellers. The latest, filed 16 September 2026: SGF FANG Holdings, LP (10% stockholder), 9.1 million shares worth $1.92 billion, planned for around 16 September 2026 through Morgan Stanley & Co. LLC.

FiledSellerRelationshipSharesValuePlanned saleBrokerHow acquiredFiling
16 September 2026SGF FANG Holdings, LP10% Stockholder9,079,675$1.92 billion16 September 2026Morgan Stanley & Co. LLCShares issued as consideration for the acquisition of Endeavor Parent, LLCForm 144
15 September 2026Zmigrosky MattOfficer1,326$281,84815 September 2026Charles Schwab & Co., Inc.Restricted Stock LapseForm 144
15 September 2026Dick Teresa L.Officer5,000$1.1 million15 September 2026Charles Schwab & Co., Inc.RSU / PSU - See RemarksForm 144
11 September 2026Stice Travis D.Officer, Director75,000$15.3 million11 September 2026Charles Schwab & Co., Inc.RSU / PSUForm 144
21 August 2026Plaumann Mark LawrenceDirector1,000$210,57721 August 2026Charles Schwab & Co., Inc.Restricted Stock LapseForm 144
20 August 2026Wesson Daniel NOfficer7,500$1.6 million20 August 2026Charles Schwab & Co., Inc.RSU / PSUForm 144
20 August 2026Van't Hof Matthew KaesOfficer, Director10,000$2.1 million20 August 2026Charles Schwab & Co., Inc.Performance Stock LapseForm 144
14 August 2026Thompson Jere W IIIOfficer500$102,07014 August 2026Charles Schwab & Co., Inc.PSU / RSUForm 144
14 August 2026Zmigrosky MattOfficer2,500$506,93014 August 2026Charles Schwab & Co., Inc.RSU / PSU - See RemarksForm 144
11 August 2026Van't Hof Matthew KaesOfficer, Director5,000$1.0 million11 August 2026Charles Schwab & Co., Inc.RSU / PSUForm 144
16 June 2026Charles A. MeloyDirector116,667$21.9 million16 June 2026Goldman Sachs & Co. LLCAcquired as consideration of merger or acquisitionForm 144
9 June 2026Plaumann Mark LawrenceDirector500$98,2509 June 2026Charles Schwab & Co., Inc.Restricted Stock LapseForm 144
4 June 2026Dick Teresa L.Officer5,000$1.0 million4 June 2026Charles Schwab & Co., Inc.RSU / PSUForm 144
4 June 2026SGF FANG Holdings, LP10 Percent Holder10,000,000$2.07 billion4 June 2026J.P. Morgan Securities LLCShares issued as consideration for acquisition of Endeavor Parent, LLC.Form 144
3 June 2026Van't Hof Matthew KaesOfficer, Director15,000$3.1 million3 June 2026Charles Schwab & Co., Inc.RSU / PSUForm 144
2 June 2026Dick Teresa L.Officer7,000$1.4 million2 June 2026Charles Schwab & Co., Inc.Performance Stock LapseForm 144
19 May 2026Dick Teresa L.Officer5,000$1.0 million19 May 2026Charles Schwab & Co., Inc.Restricted Stock LapseForm 144
15 May 2026Thompson Jere W IIIOfficer1,000$203,16015 May 2026Charles Schwab & Co., Inc.PSU / RSUForm 144
15 May 2026Barkmann AlbertOfficer3,000$612,11215 May 2026Charles Schwab & Co., Inc.RSU; RSU / PSUForm 144
14 May 2026Dick Teresa L.Officer5,000$1.0 million14 May 2026Charles Schwab & Co., Inc.Restricted Stock LapseForm 144
13 May 2026Zmigrosky MattOfficer15,000$3.0 million13 May 2026Charles Schwab & Co., Inc.RSU / PSU - See RemarksForm 144
20 March 2026Wesson Daniel NOfficer5,000$959,77620 March 2026Charles Schwab & Co., Inc.RSU / PSUForm 144
20 March 2026Dick Teresa L.Officer5,000$965,00020 March 2026Charles Schwab & Co., Inc.Performance Stock LapseForm 144
18 March 2026Zmigrosky MattOfficer4,101$781,29318 March 2026Charles Schwab & Co., Inc.RSU / PSUForm 144
18 March 2026Dick Teresa L.Officer5,000$950,00018 March 2026Charles Schwab & Co., Inc.Performance Stock LapseForm 144
18 March 2026Steven E. WestDirector6,000$1.1 million18 March 2026ROBERT W BAIRD & COOpen Market PurchasesForm 144
16 March 2026Thompson Jere W IIIOfficer750$136,85116 March 2026Charles Schwab & Co., Inc.PSU / RSUForm 144
13 March 2026Barkmann AlbertOfficer4,000$731,60013 March 2026Charles Schwab & Co., Inc.RSU; RSU / PSUForm 144
13 March 2026Zmigrosky MattOfficer20,899$3.8 million13 March 2026Charles Schwab & Co., Inc.RSU; RSU / PSUForm 144
9 March 2026Dick Teresa L.Officer2,500$462,5009 March 2026Charles Schwab & Co., Inc.Performance Stock LapseForm 144
9 March 2026Chares A. MeloyDirector47,142$8.6 million9 March 2026Goldman Sachs & Co. LLCAcquired as consideration of merger or acquisitionForm 144
6 March 2026Thompson Jere W IIIOfficer750$136,2606 March 2026Charles Schwab & Co., Inc.PSU / RSUForm 144
6 March 2026Dick Teresa L.Officer3,000$544,3736 March 2026Charles Schwab & Co., Inc.RSU / PSUForm 144
6 March 2026Van't Hof Matthew KaesOfficer10,000$1.8 million6 March 2026Charles Schwab & Co., Inc.RSU / PSU; Restricted Stock LapseForm 144
6 March 2026Wesson Daniel NOfficer20,000$3.6 million6 March 2026Charles Schwab & Co., Inc.RSU / PSUForm 144
6 March 2026Stice Travis D.Officer, Director100,000$18.1 million6 March 2026Charles Schwab & Co., Inc.RSU / PSUForm 144
8 December 2025Charles A. MeloyDirector62,858$9.9 million8 December 2025Goldman Sachs & Co. LLCAcquired as consideration of merger or acquisitionForm 144
26 November 2025Wesson Daniel NOfficer4,000$596,94826 November 2025Charles Schwab & Co., Inc.RSU / PSUForm 144
14 November 2025Zmigrosky MattOfficer3,500$518,63014 November 2025Charles Schwab & Co., Inc.Performance Stock LapseForm 144
13 November 2025Charles A. MeloyDirector34,000$4.9 million13 November 2025Goldman Sachs & Co. LLCAcquired as consideration of merger or acquisitionForm 144
12 November 2025Thompson Jere W IIIOfficer1,000$147,73011 November 2025Charles Schwab & Co., Inc.PSU / RSUForm 144
6 November 2025Van't Hof Matthew KaesOfficer10,000$1.4 million6 November 2025Charles Schwab & Co., Inc.Open Market Purchase; Restricted Stock Lapse - See RemarksForm 144

A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was. Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.

Source

Form 144 filings on EDGAR for Diamondback Energy, Inc.: the company's filing index, each notice read from its own XML.

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