California Water Service Group (CWT) Insider Trading
Over the last 3 months, CWT insiders made 0 open-market buys and 4 sales, a net sale of -$413K (SEC Form 4). Over the last 6 months, 256 institutions increased and 221 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
4
Net (3m)
-$412.8K
Insider trades by month Buys Sells
Jun
Dec
Mar
May
Context3-month price -1.2%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 27, 2026 | Snow Lester Adirector | Sell | 1,100 | $44.00 |
| May 21, 2026 | Krummel Thomas Mdirector | Sell | 3,700 | $43.30 |
| Mar 24, 2026 | Luu Michael Bofficer: Sr. VP Corp Svcs & Chief Risk | Sell | 740 | $44.53 |
| Mar 24, 2026 | Mares Michael S JRofficer: Vice President, Operations | Sell | 3,892 | $44.00 |
| Mar 9, 2026 | Scanlon Thomas Aofficer: VP, Corporate Controller & CAO | Tax | 26 | $45.59 |
| Mar 9, 2026 | Lynch James Patrickofficer: SVP CFO and Treasurer | Tax | 56 | $45.78 |
| Mar 9, 2026 | Luu Michael Bofficer: SVP Corp Svce & Chief Risk Of | Tax | 504 | $45.59 |
| Mar 9, 2026 | Jenkins Kenneth Gofficer: VP Water Res Plan & Sustain | Tax | 42 | $45.78 |
| Mar 9, 2026 | Mortensen Michelle Rofficer: VP Corp Sect & Chief of Staff | Tax | 63 | $45.59 |
| Mar 9, 2026 | Peters Todd Kennethofficer: Vice President, Engineering | Grant | 548 | — |
| Mar 9, 2026 | Scanlon Thomas Aofficer: VP, Corporate Controller & CAO | Grant | 548 | — |
| Mar 9, 2026 | Luu Michael Bofficer: SVP Corp Svce & Chief Risk Of | Grant | 205 | — |
| Mar 9, 2026 | Milleman Greg Aofficer: VP Rates & Regulatory Affairs | Tax | 57 | $45.59 |
| Mar 9, 2026 | Luu Michael Bofficer: SVP Corp Svce & Chief Risk Of | Grant | 900 | — |
| Mar 9, 2026 | Mares Michael S JRofficer: SVP Operations | Tax | 495 | $45.59 |
| Mar 9, 2026 | Ouyang Elissa Yofficer: VP Facilities Fleet & Procure | Grant | 900 | — |
| Mar 9, 2026 | James Sophie Marwiehofficer: VP Water Qual & Envir Affairs | Tax | 57 | $45.78 |
| Mar 9, 2026 | Luu Michael Bofficer: SVP Corp Svce & Chief Risk Of | Tax | 59 | $45.59 |
| Mar 9, 2026 | Bunting Shawn Cofficer: Sr. VP, GC and Business Dev | Tax | 49 | $45.59 |
| Mar 9, 2026 | Mortensen Michelle Rofficer: VP Corp Sect & Chief of Staff | Grant | 900 | — |
| Mar 9, 2026 | Peters Todd Kennethofficer: Vice President, Engineering | Tax | 34 | $45.59 |
| Mar 9, 2026 | Bunting Shawn Cofficer: Sr. VP, GC and Business Dev | Tax | 76 | $45.78 |
| Mar 9, 2026 | Dean Shannon Cofficer: SR. VP, Cust Svc & Chief Sust | Tax | 531 | $45.59 |
| Mar 9, 2026 | Ouyang Elissa Yofficer: VP Facilities Fleet & Procure | Tax | 488 | $45.59 |
| Mar 9, 2026 | Peters Todd Kennethofficer: Vice President, Engineering | Tax | 44 | $45.78 |
| Mar 9, 2026 | Scanlon Thomas Aofficer: VP, Corporate Controller & CAO | Tax | 226 | $45.59 |
| Mar 9, 2026 | James Sophie Marwiehofficer: VP Water Qual & Envir Affairs | Tax | 27 | $45.59 |
| Mar 9, 2026 | Bunting Shawn Cofficer: Sr. VP, GC and Business Dev | Tax | 422 | $45.59 |
| Mar 9, 2026 | Dean Shannon Cofficer: SR. VP, Cust Svc & Chief Sust | Grant | 900 | — |
| Mar 9, 2026 | Dean Shannon Cofficer: SR. VP, Cust Svc & Chief Sust | Tax | 80 | $45.78 |
Source: CWT SEC Form 4 filings, latest May 27, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their CWT positions over the last 6 months (SEC Form 13F).
Increased
256
New positions
70
Reduced
221
Sold out
69
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 10.7M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 10.3M | May 13, 2026 |
| VANGUARD GROUP INC | Increased | 7.3M | Jan 29, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 4.3M | May 8, 2026 |
| AMUNDI | Increased | 3.5M | May 18, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Increased | 3.4M | May 15, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Increased | 3.3M | Feb 19, 2026 |
| STATE STREET CORP | Increased | 3.1M | May 15, 2026 |
| STATE STREET CORP | Reduced | 3.0M | Feb 13, 2026 |
| AMUNDI | Increased | 2.7M | Feb 17, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.7M | May 15, 2026 |
| NUANCE INVESTMENTS, LLC | Increased | 1.8M | Feb 11, 2026 |
| FMR LLC | Increased | 1.8M | Feb 17, 2026 |
| NUANCE INVESTMENTS, LLC | Reduced | 1.6M | May 8, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.5M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.