4processed

Form 4 — Insider Transaction

CALIFORNIA WATER SERVICE GROUP(CWT)

Filing Date

June 4, 2026

Accepted

June 4, 2026

Accession No.

0002058905-26-000005

CIK

0001035201

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
HAMNER KRISTAN AVP, Chief Human Resource OffcrOther41$45.243.0KCommon StockJun 4, 2026