X0508 4 2026-02-19 0 0001121484 OIL STATES INTERNATIONAL, INC OIS 0001473064 Taylor Brian E. THREE ALLEN CENTER 333 CLAY STREET, SUITE 4620 HOUSTON TX 77002 0 1 0 0 Sr. VP, Controller & CAO 0 Common Stock 2026-02-19 4 A 0 37500 0 A 222379 D Common Stock 2026-02-20 4 F 0 9858 12.53 D 212521 D Service-based restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests in three equal annual installments beginning 2/19/2027. Shares surrendered for payment of tax liability incident to vesting of prior restricted stock award. Cindy B. Taylor, pursuant to power of attorney 2026-02-23