Diamondback Energy, Inc. - Amendment to Schedule 13D Filing

This filing, Amendment No. 5 to the Schedule 13D for Diamondback Energy, Inc., corrects a previous overstatement of beneficially owned shares by five shares due to an administrative error. The primary amendment concerns a transaction on March 10, 2026, where SGF FANG, as a selling stockholder, entered into an underwriting agreement with Evercore Group L.L.C., Citigroup Global Markets Inc., and J.P. Morgan Securities LLC for the sale of 12,650,000 shares of Common Stock at $170.18875 per share. This offering closed on March 12, 2026. SGF FANG also entered into a 60-day lock-up agreement with the underwriters, restricting the disposal of Common Stock or related securities. The filing also details a reduction in beneficial ownership for both SGF FANG Holdings, LP and Greth Lyndal, with ownership percentages decreasing from 34.1% to 29.9%.