Luu Michael B (CIK 1583179) reported 23 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-08). Recent activity: Sell CWT (70 shares), Sell CWT (69 shares), Sell CWT (740 shares), Sell CWT (76 shares), Buy CWT (900 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-08 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Sell | 70 | $3,167 |
| 2026-06-08 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Sell | 69 | $3,162 |
| 2026-03-24 | CALIFORNIA WATER SERVICE GROUP (CWT) | Sr. VP Corp Svcs & Chief Risk | Sell | 740 | $32,946 |
| 2026-03-09 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Sell | 76 | $3,479 |
| 2026-03-09 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Buy | 900 | $0 |
| 2026-03-09 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Sell | 504 | $22,977 |
| 2026-03-09 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Buy | 205 | $0 |
| 2026-03-09 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Sell | 115 | $5,243 |
| 2026-03-09 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Sell | 59 | $2,690 |
| 2026-03-05 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Buy | 1,650 | $0 |
| 2026-03-05 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Sell | 309 | $14,520 |
| 2025-12-09 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Sell | 69 | $3,097 |
| 2025-12-09 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Sell | 54 | $2,424 |
| 2025-09-09 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Sell | 69 | $3,249 |
| 2025-09-09 | CALIFORNIA WATER SERVICE GROUP (CWT) | SVP Corp Svce & Chief Risk Of | Sell | 54 | $2,543 |
| 2025-06-11 | CALIFORNIA WATER SERVICE GROUP (CWT) | Sr. VP Corp Svcs & Chief Risk | Sell | 54 | $2,463 |
| 2025-06-09 | CALIFORNIA WATER SERVICE GROUP (CWT) | Sr. VP Corp Svcs & Chief Risk | Sell | 67 | $3,072 |
| 2025-03-11 | CALIFORNIA WATER SERVICE GROUP (CWT) | Sr. VP Corp Svcs & Chief Risk | Sell | 54 | $2,587 |
| 2025-03-06 | CALIFORNIA WATER SERVICE GROUP (CWT) | Sr. VP Corp Svcs & Chief Risk | Sell | 270 | $12,596 |
| 2025-03-05 | CALIFORNIA WATER SERVICE GROUP (CWT) | Sr. VP Corp Svcs & Chief Risk | Buy | 1,814 | $0 |
| 2025-03-05 | CALIFORNIA WATER SERVICE GROUP (CWT) | Sr. VP Corp Svcs & Chief Risk | Sell | 1,014 | $46,086 |
| 2025-03-05 | CALIFORNIA WATER SERVICE GROUP (CWT) | Sr. VP Corp Svcs & Chief Risk | Sell | 60 | $2,727 |
| 2025-03-05 | CALIFORNIA WATER SERVICE GROUP (CWT) | Sr. VP Corp Svcs & Chief Risk | Buy | 1,653 | $0 |
Source: SEC Form 4 filings · as of 2026-06-08