Plaumann Mark Lawrence plan to sell securities of Diamondback Energy, Inc. under Form 144

Plaumann Mark Lawrence filed Form 144 to notify SEC of plan to sell 500 units of Diamondback Energy, Inc. securities around 2026-06-09, with aggregate market value of $98,250.00. The total outstanding units is 281313297.0. The amount planned to be sold represents 0.00% of total outstanding units;