Form 4 Filing for Diamondback Energy, Inc.

On September 15, 2026, Charles Alvin Meloy, a director at Diamondback Energy, Inc., reported a series of transactions involving the company's common stock. Initially, 25,000 shares held by Wolfrock Energy, LLC were disposed of, with the remaining shares held directly by the company. Subsequently, 12,500 shares were gifted to the Katy Evans Meloy 2011 Trust and another 12,500 shares to the Grady Allen Meloy 2011 Trust. On September 16, 2026, all shares held by these trusts, totaling 25,000, were gifted to a community property account held by Mr. Meloy and his spouse. Following these transactions, Mr. Meloy directly acquired 25,000 shares, resulting in a post-transaction ownership of 28,257 shares. The transactions were executed at a price of $0 per share, indicating they were gifts.