X0508 4 2026-02-18 0001056903 AMERICAN STATES WATER CO AWR 0001917160 Pierotti Jon 630 E FOOTHILL BLVD SAN DIMAS CA 91773 true Vice President Reg Affairs false Common Shares 2025-06-03 4 A 0 8.2737 78.44 A 2814.9423 D Common Shares 2025-09-03 4 A 0 9.6141 73.52 A 2824.5565 D Common Shares 2025-12-02 4 A 0 9.7637 72.89 A 2834.3202 D Common Shares 2026-02-18 4 F 0 79.1255 74.88 D 2755.1947 D DER units credited on 06/03/2025 at FMV DER units credited on 09/03/2025 at FMV DER units credited on 12/02/2025 at FMV 79.1255 shares withheld to satisfy tax liability /s/ Jon Pierotti 2026-02-20