SEC Form 4 · accession 0001583179-26-000009
CALIFORNIA WATER SERVICE GROUP · CWT
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Michael B Luu
Officer — SVP Corp Svce & Chief Risk Of
Period of report
Sep 4, 2026
Accepted (ET)
Sep 8, 2026 · 4:26 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001035201
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Sep 4, 2026 | F | 70 | $50.03 | D | 23,812 | D | |
| Common StockF3 | Sep 5, 2026 | F | 68 | $50.03 | D | 23,744 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Represents 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
- F2Includes shares acquired through the Employee Stock Purchase Program (ESPP).
- F3Represents 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 June 5, 2024.