X0609 4 2026-05-18 0 0001680247 ProPetro Holding Corp. PUMP 0001216483 GOBE PHILLIP A false ONE MARIENFELD PLACE 110 N. MARIENFELD STREET, SUITE 300 MIDLAND TX 79701 1 0 0 0 0 Common Stock 2026-05-18 4 M 0 28181 A 235865 D Restricted Stock Units 2026-05-18 4 M 0 28181 0 D Common Stock 28181 0 D Reflects shares of common stock of the Issuer ("Common Stock") delivered upon vesting and settlement of previously awarded restricted stock units ("RSUs"). Each RSU represents a contingent right to receive either one share of Common Stock or an amount of cash equal to the fair market value of one share of Common Stock. On May 21 2025, the reporting person was granted 28,181 RSUs, vesting in full upon the earlier to occur of the day immediately preceding the Issuer's annual meeting of stockholders in 2026 and May 21, 2026. /s/ John J. Mitchell, as attorney-in-fact for Phillip A. Gobe 2026-05-19