Diamondback Energy, Inc. Form 4 Filings

Diamondback Energy, Inc. executive vice president and chief engineer Albert Barkmann reported an open-market sale of 4,000 shares of common stock at $182.90 per share on March 13, 2026.

After this transaction, he directly owns 27,571 shares, indicating he retains a substantial equity stake in the company.

SGF FANG Holdings, LP, a major stockholder of Diamondback Energy, Inc., sold 12,650,000 shares of Common Stock on March 12, 2026. The shares were sold in an underwritten public offering pursuant to the company’s Form S-3 registration statement, at an actual sale price of $170.18875 per share, with $170.1888 reported due to EDGAR rounding limits. After this transaction, SGF FANG Holdings, LP directly holds 84,036,722 shares, indicating it retains a substantial position in Diamondback Energy.

Diamondback Energy director Charles Meloy, through Wolfrock Energy, LLC, sold 15,714 shares of common stock in open-market transactions on March 9–10, 2026. The sales were executed under a Rule 10b5-1 trading plan, meaning they were pre-scheduled rather than timed discretionarily.

The weighted average sale prices for the trades ranged from about $177.09 to $186.16 per share across multiple blocks. Following these transactions, entities associated with Meloy continued to hold 966,292 shares indirectly through Wolfrock Energy, LLC, plus 2,275 shares directly, indicating the sales represented a small portion of his overall reported position.

Diamondback Energy, Inc. Chief Financial Officer and Executive Vice President Jere W. Thompson III reported an open-market sale of 750 shares of common stock at $181.68 per share. After this transaction, he directly holds 20,725 shares, indicating a relatively small trim of his existing position.

Diamondback Energy, Inc. executive Daniel N. Wesson, Executive VP & COO, sold 20,000 shares of Common Stock in open-market transactions. The sales on March 6, 2026 were executed in two tranches: 19,800 shares at an average price of about $181.10 per share and 200 shares at about $181.78 per share. After these transactions, Wesson directly holds 83,289 shares of Diamondback Energy common stock. A footnote explains that the reported sale price is a weighted average, with individual trades occurring between $180.745 and $181.53 per share.

Diamondback Energy Executive Chairman Travis D. Stice reported open‑market sales of 100000 shares of common stock on March 6, 2026. The transactions included 63957 indirectly held shares through Stice Investments, Ltd. and 36043 shares held directly.

Sale prices were reported as weighted averages, with individual trades executed in ranges from $180.57 to $181.785 per share. Following these sales, Stice holds 305314 shares indirectly through Stice Investments, Ltd. and 123745 shares directly.

Diamondback Energy, Inc. Chief Executive Officer Matthew Kaes Van't Hof reported an open-market sale of 10,000 shares of common stock on March 6, 2026 at a weighted average price of $180.8399 per share. After this transaction, he directly holds 148,614 shares.

The shares were sold in multiple trades at prices ranging from $180.665 to $181.15 per share, with the weighted average reflecting all executions in that range.

Diamondback Energy, Inc. chief accounting officer Teresa L. Dick reported selling a total of 5,500 shares of common stock in two open-market transactions. She sold 3,000 shares at a weighted average price of about $181.46 and 2,500 shares at $185.00 per share. After these sales, she directly holds 112,755 shares of Diamondback Energy common stock.

Diamondback Energy, Inc. reported an insider transaction involving a major shareholder. On March 4, 2026, SGF FANG Holdings, LP, a ten percent owner, sold 1,000,000 shares of common stock to the company at the Nasdaq closing price of $176.71 per share.

Following this sale, SGF FANG Holdings, LP held 96,686,727 shares of common stock. The filing notes that Mrs. Greth is the ultimate beneficial owner of the shares held of record by SGF FANG and indirectly controls SGF Capital LLC, its general partner.

Diamondback Energy Executive Chairman Travis D. Stice reported multiple equity-related transactions in common stock. On March 1, 2026, he acquired 18,200 restricted stock units under the company’s equity incentive plan, scheduled to vest in three equal installments beginning on March 1, 2026.

He also reported the vesting of 81,018 performance-based restricted stock units for the performance period from January 1, 2023 to December 31, 2025, which settled on March 1, 2026 after the compensation committee certified performance conditions. To cover tax withholding obligations tied to these and time-based awards, the issuer withheld several blocks of common stock, including 31,884 shares at $174.08 per share. Following these transactions, Stice reported direct ownership of common stock and indirect ownership of 369,271 shares held by Stice Investments, Ltd., which is managed by an entity owned by Stice and his spouse.

Diamondback Energy, Inc. executive vice president and chief engineer Albert Barkmann reported equity compensation and related tax withholding transactions in common stock. He received two awards on March 1, 2026: 3,500 restricted stock units that vest in three equal installments beginning on March 1, 2027, and 6,430 performance-based restricted stock units that had vested as of December 31, 2025 after the compensation committee certified the applicable performance conditions and will settle on March 1, 2026.

To cover tax obligations tied to these vesting and settlement events, the issuer withheld a total of 3,521 shares of common stock at a price of $174.08 per share, reflected through four code "F" transactions. These withholdings relate to performance-based units granted on March 1, 2023 and time-based restricted stock units granted on March 1, 2023, March 1, 2024, and March 1, 2025. Following these grants and withholdings, Barkmann directly held 31,571 shares of Diamondback Energy common stock, and a footnote notes that prior Forms 4 had overstated his ownership by a de minimis amount, which has now been corrected.

Diamondback Energy executive Teresa L. Dick, CAO and Executive Vice President, reported equity award activity in company common stock. She acquired 5,250 time-based restricted stock units that vest in three equal installments beginning on March 1, 2026, and 18,432 performance-based restricted stock units tied to the 2023–2025 performance period that vested after the compensation committee certified results. The company also carried out several tax-withholding dispositions of shares at $174.08 per share in connection with these and prior time-based awards vesting on March 1, 2026. After these transactions and a small historical correction, she directly holds 118,255 shares of common stock.

Diamondback Energy's Exec. VP & COO Daniel N. Wesson reported equity compensation and related tax-withholding events. On March 1, 2026, he acquired a total of 38,705 shares of common stock through restricted and performance-based stock unit awards granted at $0.00 per share. On March 1, 2026 and March 8, 2026, the issuer withheld 15,533 shares at $174.08 per share to cover tax obligations tied to vesting. Following these transactions, he directly owns 103,289 shares of common stock.

Diamondback Energy, Inc. reported that Chief Executive Officer Matthew Kaes Van't Hof received equity awards and related tax withholdings involving the company’s common stock. On March 1, 2026, he acquired 24,501, 36,436 and 2,636 shares through grants and vesting of restricted and performance-based stock units under the equity incentive plan.

The filing also shows several "F" code transactions where the issuer withheld shares, at a price of $174.08 per share, to cover tax obligations tied to these vesting events. After these grant and withholding transactions, Van't Hof directly owned 158,614 shares of Diamondback Energy common stock.

Diamondback Energy EVP Matt Zmigrosky reported equity compensation activity involving common stock. He acquired 7,583 restricted stock units that vest in three equal installments beginning on March 1, 2026, and 21,434 shares delivered upon settlement of previously granted performance-based restricted stock units for the 2023–2025 performance period.

The company withheld 8,450, 739, 970 and 995 shares at a price of $174.08 per share to cover tax withholding obligations tied to multiple restricted stock unit vestings settling on March 1, 2026. After these grants and tax-related share withholdings, Zmigrosky directly owned 81,392 shares of Diamondback Energy common stock. The Form 4 also corrects prior filings that had slightly overstated his beneficial ownership.

Diamondback Energy CFO and Executive VP Jere W. Thompson III reported equity award activity in the company’s common stock. He acquired 6,066 time-based restricted stock units and performance-based restricted stock units representing 7,716 shares granted under the equity incentive plan, with vesting beginning on March 1, 2026.

To cover tax withholding obligations upon vesting and settlement of prior awards, the issuer withheld a total of 3,060, 518, 715 and 796 shares at a price of $174.08 per share. Following these transactions and a de minimis correction to prior reports, Thompson directly holds 21,475 shares of common stock.

Diamondback Energy EVP-Operations Chad McAllaster reported equity compensation and related tax-withholding transactions in common stock. He acquired 3,966 restricted stock units on March 1, 2026 at a stated price of $0.00 per share under the company’s equity incentive plan; these units vest in three equal installments beginning March 1, 2026.

To cover tax obligations on vesting of earlier time-based awards, the issuer withheld 448 shares at $174.08 per share tied to a March 1, 2025 grant and 521 shares at $174.08 per share tied to a March 1, 2026 grant. After these transactions, McAllaster directly holds 5,889 shares of common stock, which are jointly owned with his spouse.

Diamondback Energy’s 10% owner SGF FANG Holdings, LP reported large share sales back to the company. Under a November 28, 2025 letter agreement, SGF FANG sold 1,000,000 shares of Diamondback common stock to the company on February 3, 2026 at the February 3 Nasdaq closing price of $162.88, and another 1,000,000 shares on February 4, 2026 at the February 4 Nasdaq closing price of $168.99.

After these transactions, SGF FANG beneficially owned 97,686,727 Diamondback shares. The filing notes that Mrs. Greth is the ultimate beneficial owner of the shares held of record by SGF FANG and indirectly controls its general partner, SGF Capital, LLC.

Diamondback Energy, Inc. director Charles A. Meloy reported indirect sales of company common stock through Wolfrock Energy, LLC, an entity ultimately controlled by him. On February 2, 2026, Wolfrock sold 2,200 shares at a weighted average price of $160.1675 per share. On February 3, 2026, Wolfrock sold 36,310 shares at $160.3683, 5,597 shares at $161.4204, and 18,698 shares at $162.4941, all as weighted average prices across multiple trades within stated price ranges. These transactions were made under a Rule 10b5-1 trading plan adopted on August 13, 2025. Following the reported sales, Wolfrock held 982,006 indirect shares, and Mr. Meloy also held 2,275 shares directly.

Diamondback Energy, Inc. (FANG) CEO share transfer reported

Diamondback Energy's Chief Executive Officer and director, Matthew Kaes Van't Hof, reported a transfer of 1,011 shares of common stock of Diamondback Energy, Inc. on 11/18/2025. The transaction is coded "G," indicating a gift or similar transfer, and shows the shares were disposed of at a reported price of $0 per share. Following this transaction, Van't Hof reported owning 118,253 shares of Diamondback Energy common stock directly. The filing was made on Form 4, which discloses changes in the beneficial ownership of company insiders.

Diamondback Energy, Inc. (FANG) reported an insider equity transfer by Executive Chairman and Director Travis D. Stice. On 11/14/2025, an indirect holding entity completed a Form 4 transaction coded "G," indicating a gift of 50,000 shares of common stock at a reported price of $0. After this transaction, 369,271 shares of common stock are reported as indirectly owned through Stice Investments, Ltd., and 102,145 shares are reported as directly owned. The filing notes that Stice Investments, Ltd. is managed by Stice Management, LLC, whose membership interests are held entirely by Mr. Stice and his spouse.

Diamondback Energy, Inc. (FANG) executive vice president and chief legal and administrative officer Matt Zmigrosky reported a routine stock sale. On 11/14/2025, he sold 3,500 shares of Diamondback Energy common stock at a price of $148.1801 per share. After this transaction, he beneficially owned 63,534 shares of the company’s common stock, which he holds directly.

Diamondback Energy (FANG) director Charles A. Meloy reported a Code G gift of 34,000 shares of common stock on 11/12/2025 at $0 per share. Following the transaction, 1,044,864 shares were beneficially owned indirectly through Wolfrock Energy, LLC.

The filing identifies Mr. Meloy as a director. A footnote explains the indirect ownership structure: Wolfrock Energy, LLC is owned by CS Ventures, Ltd., of which Mr. Meloy and his spouse are limited partners, and which is controlled by CSV Management Trust with Mr. Meloy as trustee.

Diamondback Energy (FANG) insider transaction: an officer listed as CFO, Executive VP reported a sale of common stock. On 11/11/2025, the reporting person sold 1,000 shares at $147.7301 per share in an open market transaction coded “S.” Following the sale, the filer reported 12,788 shares beneficially owned, held directly.

Diamondback Energy (FANG) reported an insider transaction on a Form 4. The company’s Chief Executive Officer and Director sold 10,000 shares of common stock on 11/06/2025 at a weighted average price of $140.614 per share, coded as S for sale.

Following the transaction, the reporting person beneficially owns 119,264 shares, held directly. The filing notes the sale occurred through multiple trades within a price range of $140.28 to $140.92, and detailed breakdowns are available upon request.