X0508 4 2026-02-26 0 0001699136 Cactus, Inc. WHD 0001570404 MARSH WILLIAM D 920 MEMORIAL CITY WAY SUITE 300 HOUSTON TX 77024 0 1 0 0 GC, EVP and Secretary 0 Class A Common Stock 2026-02-26 4 A 0 18330 A 29418 D Class A Common Stock 2026-02-26 4 F 0 7213 51.56 D 22205 D Represents shares earned for the performance share units granted in 2023 for the three-year performance period ending December 31, 2025 as approved by the Compensation Committee of the Board of Directors based on the audited financial statements for the year ended December 31, 2025. Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units. /s/ William D. Marsh 2026-03-02