144 0001326634 XXXXXXXX LIVE 0001699136 Cactus, Inc. 001-38390 920 MEMORIAL CITY WAY SUITE 300 HOUSTON TX 77024 713-626-8800 Anderson Donna L Officer Common Stock Merrill Lynch Pierce Fenner & Smith

800 Capitol St Suite 1900 Houston TX 77002

6682 340384.98 65322730 04/04/2024 NYSE Common Stock 12/20/2022 Stock Bonus Cactus Inc N 1341 12/20/2022 Stock Bonus Common Stock 03/11/2023 Stock Bonus Cactus Inc N 2428 03/23/2023 Stock Bonus Common Stock 03/10/2024 Stock Bonus Cactus Inc N 1422 03/10/2024 Stock Bonus Common Stock 03/11/2024 Stock Bonus Cactus Inc N 1437 03/11/2024 Stock Bonus Y 04/16/2024 Donna L Anderson