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.
| Filed | Seller | Relationship | Shares | Value | Planned sale | Broker | How acquired | Filing |
|---|---|---|---|---|---|---|---|---|
| 16 September 2026 | SGF FANG Holdings, LP | 10% Stockholder | 9,079,675 | $1.92 billion | 16 September 2026 | Morgan Stanley & Co. LLC | Shares issued as consideration for the acquisition of Endeavor Parent, LLC | Form 144 |
| 15 September 2026 | Zmigrosky Matt | Officer | 1,326 | $281,848 | 15 September 2026 | Charles Schwab & Co., Inc. | Restricted Stock Lapse | Form 144 |
| 15 September 2026 | Dick Teresa L. | Officer | 5,000 | $1.1 million | 15 September 2026 | Charles Schwab & Co., Inc. | RSU / PSU - See Remarks | Form 144 |
| 11 September 2026 | Stice Travis D. | Officer, Director | 75,000 | $15.3 million | 11 September 2026 | Charles Schwab & Co., Inc. | RSU / PSU | Form 144 |
| 21 August 2026 | Plaumann Mark Lawrence | Director | 1,000 | $210,577 | 21 August 2026 | Charles Schwab & Co., Inc. | Restricted Stock Lapse | Form 144 |
| 20 August 2026 | Wesson Daniel N | Officer | 7,500 | $1.6 million | 20 August 2026 | Charles Schwab & Co., Inc. | RSU / PSU | Form 144 |
| 20 August 2026 | Van't Hof Matthew Kaes | Officer, Director | 10,000 | $2.1 million | 20 August 2026 | Charles Schwab & Co., Inc. | Performance Stock Lapse | Form 144 |
| 14 August 2026 | Thompson Jere W III | Officer | 500 | $102,070 | 14 August 2026 | Charles Schwab & Co., Inc. | PSU / RSU | Form 144 |
| 14 August 2026 | Zmigrosky Matt | Officer | 2,500 | $506,930 | 14 August 2026 | Charles Schwab & Co., Inc. | RSU / PSU - See Remarks | Form 144 |
| 11 August 2026 | Van't Hof Matthew Kaes | Officer, Director | 5,000 | $1.0 million | 11 August 2026 | Charles Schwab & Co., Inc. | RSU / PSU | Form 144 |
| 16 June 2026 | Charles A. Meloy | Director | 116,667 | $21.9 million | 16 June 2026 | Goldman Sachs & Co. LLC | Acquired as consideration of merger or acquisition | Form 144 |
| 9 June 2026 | Plaumann Mark Lawrence | Director | 500 | $98,250 | 9 June 2026 | Charles Schwab & Co., Inc. | Restricted Stock Lapse | Form 144 |
| 4 June 2026 | Dick Teresa L. | Officer | 5,000 | $1.0 million | 4 June 2026 | Charles Schwab & Co., Inc. | RSU / PSU | Form 144 |
| 4 June 2026 | SGF FANG Holdings, LP | 10 Percent Holder | 10,000,000 | $2.07 billion | 4 June 2026 | J.P. Morgan Securities LLC | Shares issued as consideration for acquisition of Endeavor Parent, LLC. | Form 144 |
| 3 June 2026 | Van't Hof Matthew Kaes | Officer, Director | 15,000 | $3.1 million | 3 June 2026 | Charles Schwab & Co., Inc. | RSU / PSU | Form 144 |
| 2 June 2026 | Dick Teresa L. | Officer | 7,000 | $1.4 million | 2 June 2026 | Charles Schwab & Co., Inc. | Performance Stock Lapse | Form 144 |
| 19 May 2026 | Dick Teresa L. | Officer | 5,000 | $1.0 million | 19 May 2026 | Charles Schwab & Co., Inc. | Restricted Stock Lapse | Form 144 |
| 15 May 2026 | Thompson Jere W III | Officer | 1,000 | $203,160 | 15 May 2026 | Charles Schwab & Co., Inc. | PSU / RSU | Form 144 |
| 15 May 2026 | Barkmann Albert | Officer | 3,000 | $612,112 | 15 May 2026 | Charles Schwab & Co., Inc. | RSU; RSU / PSU | Form 144 |
| 14 May 2026 | Dick Teresa L. | Officer | 5,000 | $1.0 million | 14 May 2026 | Charles Schwab & Co., Inc. | Restricted Stock Lapse | Form 144 |
| 13 May 2026 | Zmigrosky Matt | Officer | 15,000 | $3.0 million | 13 May 2026 | Charles Schwab & Co., Inc. | RSU / PSU - See Remarks | Form 144 |
| 20 March 2026 | Wesson Daniel N | Officer | 5,000 | $959,776 | 20 March 2026 | Charles Schwab & Co., Inc. | RSU / PSU | Form 144 |
| 20 March 2026 | Dick Teresa L. | Officer | 5,000 | $965,000 | 20 March 2026 | Charles Schwab & Co., Inc. | Performance Stock Lapse | Form 144 |
| 18 March 2026 | Zmigrosky Matt | Officer | 4,101 | $781,293 | 18 March 2026 | Charles Schwab & Co., Inc. | RSU / PSU | Form 144 |
| 18 March 2026 | Dick Teresa L. | Officer | 5,000 | $950,000 | 18 March 2026 | Charles Schwab & Co., Inc. | Performance Stock Lapse | Form 144 |
| 18 March 2026 | Steven E. West | Director | 6,000 | $1.1 million | 18 March 2026 | ROBERT W BAIRD & CO | Open Market Purchases | Form 144 |
| 16 March 2026 | Thompson Jere W III | Officer | 750 | $136,851 | 16 March 2026 | Charles Schwab & Co., Inc. | PSU / RSU | Form 144 |
| 13 March 2026 | Barkmann Albert | Officer | 4,000 | $731,600 | 13 March 2026 | Charles Schwab & Co., Inc. | RSU; RSU / PSU | Form 144 |
| 13 March 2026 | Zmigrosky Matt | Officer | 20,899 | $3.8 million | 13 March 2026 | Charles Schwab & Co., Inc. | RSU; RSU / PSU | Form 144 |
| 9 March 2026 | Dick Teresa L. | Officer | 2,500 | $462,500 | 9 March 2026 | Charles Schwab & Co., Inc. | Performance Stock Lapse | Form 144 |
| 9 March 2026 | Chares A. Meloy | Director | 47,142 | $8.6 million | 9 March 2026 | Goldman Sachs & Co. LLC | Acquired as consideration of merger or acquisition | Form 144 |
| 6 March 2026 | Thompson Jere W III | Officer | 750 | $136,260 | 6 March 2026 | Charles Schwab & Co., Inc. | PSU / RSU | Form 144 |
| 6 March 2026 | Dick Teresa L. | Officer | 3,000 | $544,373 | 6 March 2026 | Charles Schwab & Co., Inc. | RSU / PSU | Form 144 |
| 6 March 2026 | Van't Hof Matthew Kaes | Officer | 10,000 | $1.8 million | 6 March 2026 | Charles Schwab & Co., Inc. | RSU / PSU; Restricted Stock Lapse | Form 144 |
| 6 March 2026 | Wesson Daniel N | Officer | 20,000 | $3.6 million | 6 March 2026 | Charles Schwab & Co., Inc. | RSU / PSU | Form 144 |
| 6 March 2026 | Stice Travis D. | Officer, Director | 100,000 | $18.1 million | 6 March 2026 | Charles Schwab & Co., Inc. | RSU / PSU | Form 144 |
| 8 December 2025 | Charles A. Meloy | Director | 62,858 | $9.9 million | 8 December 2025 | Goldman Sachs & Co. LLC | Acquired as consideration of merger or acquisition | Form 144 |
| 26 November 2025 | Wesson Daniel N | Officer | 4,000 | $596,948 | 26 November 2025 | Charles Schwab & Co., Inc. | RSU / PSU | Form 144 |
| 14 November 2025 | Zmigrosky Matt | Officer | 3,500 | $518,630 | 14 November 2025 | Charles Schwab & Co., Inc. | Performance Stock Lapse | Form 144 |
| 13 November 2025 | Charles A. Meloy | Director | 34,000 | $4.9 million | 13 November 2025 | Goldman Sachs & Co. LLC | Acquired as consideration of merger or acquisition | Form 144 |
| 12 November 2025 | Thompson Jere W III | Officer | 1,000 | $147,730 | 11 November 2025 | Charles Schwab & Co., Inc. | PSU / RSU | Form 144 |
| 6 November 2025 | Van't Hof Matthew Kaes | Officer | 10,000 | $1.4 million | 6 November 2025 | Charles Schwab & Co., Inc. | Open Market Purchase; Restricted Stock Lapse - See Remarks | Form 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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