X0609 4 2026-05-08 0 0001434728 Global Water Resources, Inc. GWRS 0002004075 Brill Steven D. false 21410 N 19TH AVE SUITE 220 PHOENIX AZ 85027 0 1 0 0 VP of IT Operations 0 Common Stock 2026-05-08 4 A 0 2000 7.07 A 5487.8754 D Common Stock 2026-05-08 4 F 0 598 7.07 D 4889.8754 D Shares represent restricted shares that vested on May 8, 2026. Shares withheld to satisfy tax withholding obligation applicable to the vesting of 2,000 restricted shares. /s/ Suzette Prante, attorney-in-fact 2026-05-12