Kristan A. Hamner - 04 Jun 2026 Form 4 Insider Report for CALIFORNIA WATER SERVICE GROUP (CWT)

Reporting relationship: VP, Chief Human Resource Offcr
Issuer ticker: CWT
Reported as of: 04 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Jun 2026, 17:20:49 UTC
Prior SEC filing: 05 Mar 2026
Source filing: View source filing
Reporting owner signature: By: /s/ Michelle R. Mortensen For: Kristan Hamner

Key filing fact

Kristan A. Hamner filed Form 4 for CALIFORNIA WATER SERVICE GROUP (CWT) on 08 Jun 2026.

Key facts

This page summarizes Kristan A. Hamner's Form 4 filing for CALIFORNIA WATER SERVICE GROUP (CWT).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 08 Jun 2026, 17:20.

Change

Previous filing in this sequence was filed on 05 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002058905 Primary reporting owner

HAMNER KRISTAN A

Relationship: VP, Chief Human Resource Offcr
Address: 1720 NORTH FIRST STREET, SAN JOSE
Signature: By: /s/ Michelle R. Mortensen For: Kristan Hamner
Signature date: 08 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CWT transaction

Common Stock

Tax liability

Transaction value
Shares: -41
Change %: -1.3%
Price: $45.24^*
Shares after: 3,004
Date: 04 Jun 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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

Footnote F2

Includes shares acquired through the Employee Stock Purchase Program (ESPP).