Diamondback Energy (FANG)

=== SEC Schedule 13D — Beneficial Ownership === Issuer: Diamondback Energy, Inc. Issuer CIK: 0001539838 Class: Common Stock, par value $0.01 per share CUSIP: 25278X109 Event Date: 2026-09-16 Amendment: yes #7 --- Reporting Persons --- - SGF FANG Holdings, LP (no CIK) 64957047 sh 23.2% PN - Greth Lyndal (0002021141) 64957047 sh 23.2% IN --- Item 4 Purpose of Transaction --- Item 4 is hereby amended and supplemented to add the following: On September 16, 2026, SGF FANG sold an aggregate of 9,079,675 shares of Common Stock at a price of $205.26 per share pursuant to Rule 144 under the Securities Act of 1933, as amended (the "September 16, 2026 Sale"). In connection with the September 16, 2026 Sale, SGF FANG is subject to a lock-up period from September 16, 2026 through the date 30 days after September 16, 2026, during which SGF FANG may not sell any shares of Common Stock without the mutual agreement of SGF FANG and Morgan Stanley & Co. LLC.