California Water Service Group (CWT) Insider Trading
Over the last 3 months, CWT insiders made 0 open-market buys and 2 sales, a net sale of -$209K (SEC Form 4). Over the last 6 months, 241 institutions increased and 227 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
2
Net (3m)
-$208.6K
Insider trades by month Buys Sells
Jun
Dec
Mar
May
Context3-month price +7.3%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 8, 2026 | Mortensen Michelle Rofficer: VP Corp Sect, Gov & Assurance | Tax | 74 | $45.24 |
| Jun 8, 2026 | Luu Michael Bofficer: SVP Corp Svce & Chief Risk Of | Tax | 70 | $45.24 |
| Jun 8, 2026 | Luu Michael Bofficer: SVP Corp Svce & Chief Risk Of | Tax | 69 | $45.82 |
| Jun 8, 2026 | Mortensen Michelle Rofficer: VP Corp Sect, Gov & Assurance | Tax | 73 | $45.82 |
| Jun 8, 2026 | Milleman Greg Aofficer: VP Rates & Regulatory Affairs | Tax | 67 | $45.24 |
| Jun 8, 2026 | Ouyang Elissa Yofficer: VP Facilities Fleet Procure IT | Tax | 67 | $45.24 |
| Jun 8, 2026 | James Sophie Marwiehofficer: VP Water Qual | Tax | 50 | $45.82 |
| Jun 8, 2026 | KROPELNICKI MARTIN Aofficer: Chairman President & CEO | Tax | 493 | $45.82 |
| Jun 8, 2026 | Milleman Greg Aofficer: VP Rates & Regulatory Affairs | Tax | 66 | $45.82 |
| Jun 8, 2026 | Scanlon Thomas Aofficer: VP, Corporate Controller & PAO | Tax | 30 | $45.24 |
| Jun 8, 2026 | Bunting Shawn Cofficer: Sr. VP, GC and Business Dev | Tax | 70 | $45.24 |
| Jun 8, 2026 | KROPELNICKI MARTIN Aofficer: Chairman President & CEO | Tax | 504 | $45.24 |
| Jun 8, 2026 | Dean Shannon Cofficer: SR. VP, Cust Svc & Chief Sust | Tax | 73 | $45.82 |
| Jun 8, 2026 | Ouyang Elissa Yofficer: VP Facilities Fleet Procure IT | Tax | 66 | $45.82 |
| Jun 8, 2026 | James Sophie Marwiehofficer: VP Water Qual | Tax | 51 | $45.24 |
| Jun 8, 2026 | Lynch James Patrickofficer: SVP CFO and Treasurer | Tax | 49 | $45.24 |
| Jun 8, 2026 | Jenkins Kenneth Gofficer: VP Water Res Plan & Sustain | Tax | 38 | $45.82 |
| Jun 8, 2026 | Jenkins Kenneth Gofficer: VP Water Res Plan & Sustain | Tax | 63 | $45.24 |
| Jun 8, 2026 | Bunting Shawn Cofficer: Sr. VP, GC and Business Dev | Tax | 69 | $45.82 |
| Jun 8, 2026 | Dean Shannon Cofficer: SR. VP, Cust Svc & Chief Sust | Tax | 74 | $45.24 |
| Jun 8, 2026 | Mares Michael S JRofficer: SVP Operations | Tax | 68 | $45.82 |
| Jun 8, 2026 | Mares Michael S JRofficer: SVP Operations | Tax | 69 | $45.24 |
| Jun 8, 2026 | Peters Todd Kennethofficer: Vice President, Engineering | Tax | 40 | $45.24 |
| Jun 8, 2026 | HAMNER KRISTAN Aofficer: VP, Chief Human Resource Offcr | Tax | 41 | $45.24 |
| 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 | Mares Michael S JRofficer: Vice President, Operations | Sell | 3,892 | $44.00 |
| Mar 24, 2026 | Luu Michael Bofficer: Sr. VP Corp Svcs & Chief Risk | Sell | 740 | $44.53 |
| Mar 9, 2026 | Bunting Shawn Cofficer: Sr. VP, GC and Business Dev | Grant | 750 | — |
| Mar 9, 2026 | Luu Michael Bofficer: SVP Corp Svce & Chief Risk Of | Grant | 205 | — |
Source: CWT SEC Form 4 filings, latest Jun 8, 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
241
New positions
80
Reduced
227
Sold out
70
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 CAPITAL MANAGEMENT LLC | New Position | 5.3M | May 15, 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. | Reduced | 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 |
| 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.