X0609 4 2026-05-08 0 0001434728 Global Water Resources, Inc. GWRS 0001709483 Corwin Jonathan C. false C/O GLOBAL WATER RESOURCES, INC. 21410 N 19TH AVENUE #205 PHOENIX AZ 85027 0 1 0 0 Vice President 0 Common Stock 2026-05-08 4 A 0 2000 7.07 A 14529 D Common Stock 2026-05-08 4 F 0 515 7.07 D 14014 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