Diamondback Energy, Inc. filings document the regulatory disclosures of a Nasdaq-listed Permian Basin oil and natural gas producer. Form 8-K reports furnish financial and operating results, stockholder letters, realized commodity prices, derivative activity, production guidance, dividends, share repurchases, and other material events tied to capital allocation and operations.
The company's filings also cover capital-structure matters, including common stock, senior notes and tender offers, as well as definitive proxy materials for shareholder voting, board governance and annual-meeting matters. These records frame Diamondback's operating exposure to oil, natural gas and NGL markets, hedging activity, leverage management and public-company governance.
Diamondback Energy, Inc. director Charles Alvin Meloy reported three sales of common stock held by Wolfrock Energy, LLC on October 5, 2026: 20,503 shares at a weighted average sale price of $183.1748 per share, 6,476 shares at $184.3135 per share, and 6,354 shares at $184.9904 per share. The sales were made under a Rule 10b5-1 trading plan adopted on March 17, 2026. Wolfrock’s sole member is CS Ventures, Ltd., which is controlled by its general partner, Meloy Management, LLC; Meloy controls Meloy Management. Meloy separately reported direct holdings of 28,257 shares as of October 5, 2026.
Diamondback Energy, Inc. (FANG) is named in a notice covering the proposed sale of 33,333 common shares for the account of Charles A. Meloy, a director. The notice says all shares will be sold by Wolfrock Energy, L.L.C.; their aggregate market value is $6,135,938.64, and the approximate sale date is October 5, 2026. The sale is in connection with a selling plan dated March 17, 2026, intended to comply with Rule 10b5-1(c).
Diamondback Energy, Inc. amended its Stockholders Agreement with SGF FANG Holdings, LP on September 29, 2026. The Stephens Majority is entitled to designate two directors if the Stephens Stockholders beneficially own at least 10% but less than 25% of Outstanding Shares; if they own less than 10%, the Stephens Majority is entitled to designate no directors.
Directors Darin Holderness and Lance Robertson resigned from the Board on September 29, 2026 and September 30, 2026, respectively, in connection with a Board Stepdown. The company stated the resignations were not due to any disagreement with it on matters relating to its operations, policies or practices.
Diamondback Energy, Inc. (FANG) discloses that major stockholder SGF FANG Holdings sold 9,079,675 shares of Common Stock on September 16, 2026 at $205.26 per share. After this transaction, SGF FANG Holdings and Greth Lyndal report beneficial ownership of 64,957,047 shares, representing 23.2% of the Common Stock outstanding.
The ownership percentage is calculated based on 280,024,353 shares of Common Stock outstanding as of July 31, 2026, as disclosed by Diamondback Energy in a prior quarterly report. In connection with the September 16, 2026 sale, SGF FANG Holdings is subject to a lock-up period of 30 days from September 16, 2026, during which it may not sell additional shares without the mutual agreement of SGF FANG Holdings and Morgan Stanley & Co. LLC.
Diamondback Energy, Inc. (FANG) had a large insider sale reported by SGF FANG Holdings, LP, a ten percent owner. On September 16, 2026, SGF FANG Holdings, LP sold 9,079,675 shares of common stock in a sale described as pursuant to Rule 144, at a reported price of $205.26 per share, and reported holding 64,957,047 shares of common stock afterward.
Diamondback Energy, Inc. (FANG) had a large insider sale reported by SGF FANG Holdings, LP, a ten percent owner associated with Lyndal Greth. On September 16, 2026, SGF FANG Holdings, LP sold 9,079,675 shares of common stock at $205.26 per share in a sale reported as an open-market or private transaction and disclosed as made pursuant to Rule 144 under the Securities Act of 1933. Following this transaction, the reporting entity held 64,957,047 shares of Diamondback Energy common stock directly, and no Rule 10b5-1 trading plan is reported.
Diamondback Energy, Inc. (FANG) reported that executive vice president and chief legal and administrative officer Matt Zmigrosky sold 1,326 shares of common stock on September 15, 2026 in a sale described as occurring in an open-market or private transaction at a price of $212.5554 per share. Following this transaction, he directly held 36,705 shares of Diamondback Energy common stock. No Rule 10b5-1 trading plan is reported for this sale.
Diamondback Energy, Inc. (FANG) executive Teresa L. Dick, EVP Accounting and Assistant Secretary, reported selling 5,000 shares of common stock on September 15, 2026 in a sale classified as an open market or private transaction at $210.00 per share. After this transaction, she directly holds 75,755 shares of Diamondback Energy common stock. No Rule 10b5-1 trading plan is reported for this sale.
Diamondback Energy, Inc. (FANG) director Charles Alvin Meloy reported a series of bona fide gift transfers of common stock on September 15–16, 2026. On September 15, 2026, an entity associated with him, Wolfrock Energy, LLC, gifted 12,500 shares each to the Katy Evans Meloy 2011 Trust and the Grady Allen Meloy 2011 Trust, increasing those trusts’ indirect holdings. On September 16, 2026, all Diamondback shares held by these two trusts were gifted into a community property account held by Mr. Meloy and his spouse, resulting in a directly owned position of 28,257 shares reported after that transfer. No Rule 10b5-1 trading plan is reported, and the transactions involve gifts rather than open-market purchases or sales.
Diamondback Energy, Inc. (FANG) is the issuer of common stock that a significant holder, SGF FANG Holdings, has notified under Rule 144 it may sell. The notice covers 114,899,378 shares of common stock, which were issued as consideration in Diamondback’s acquisition of Endeavor Parent, LLC on September 10, 2024.
The holder is identified as a 10% stockholder, and Morgan Stanley & Co. LLC is listed in connection with the common stock, which is traded on NASDAQ.