Mares Michael S JR 4
4 · CALIFORNIA WATER SERVICE GROUP · Filed Mar 5, 2026
Insider Transaction Report
Form 4
Mares Michael S JR
SVP Operations
Transactions
- Award
Common Stock
[F1][F2]2026-03-03+1,650→ 12,447.6 total - Tax Payment
Common Stock
[F3]2026-03-04$46.99/sh−303$14,238→ 12,144.6 total
Footnotes (3)
- [F1]Restricted stock granted on 3/3/2026 pursuant to the California Water Service Group equity incentive plan in a transaction exempt under Rule 16-b-3 vests with one-third on March 3, 2027, and with the remaining 2/3 vesting quarterly over the succeeding 24 months.
- [F2]Includes shares acquired through Dividend Reinvestment.
- [F3]Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award granted on March 4,2025
Signature
By: /s/ Michelle R. Mortensen For: Michael Mares|2026-03-05