Over the 90-day window ending February 19, 2026, California Water Service's three dominant insider ownership positions are held by Chairman President & Ceo Martin A Kropelnicki (136.25K shares), Director Richard P Magnuson (59.73K shares), Vp And Cfo & Treasurer Thomas F Iii Smegal (46.78K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Martin A Kropelnicki | Chairman President & Ceo | 136,254 | 09 Dec, 2025 |
| Richard P Magnuson | 59,733 | 03 Mar, 2022 | |
| Thomas F Iii Smegal | Vp And Cfo & Treasurer | 46,777 | 05 Jun, 2023 |
| Paul G. Townsley | Vp And Rates & Reg Matters | 31,540 | 05 Jun, 2023 |
| Lynne P Mcghee | Vp And General Counsel | 26,981 | 05 Jun, 2023 |
| Ronald D Webb | Vp And Human Resources | 26,580 | 11 Mar, 2025 |
| Lester A Snow | 26,349 | 13 Jun, 2025 | |
| Thomas M Krummel | 24,624 | 06 Mar, 2025 | |
| Gregory E Aliff | 23,060 | 06 Mar, 2025 | |
| Michael B Luu | Svp Corp Svce & Chief Risk Of | 22,611 | 09 Dec, 2025 |
| Shannon C Dean | Sr. Vp And Cust Svc & Chief Sust | 22,166 | 09 Dec, 2025 |
| Peter C Nelson | 20,420 | 09 Mar, 2023 | |
| Carol M Pottenger | 16,306 | 06 Mar, 2025 | |
| Terry Bayer | 16,257 | 03 Mar, 2022 | |
| Shelly Marian Esque | 15,358 | 06 Mar, 2025 | |
| Elissa Y Ouyang | Vp Facilities Fleet & Procure | 13,445 | 09 Dec, 2025 |
| Robert J Kuta | Vp And Engineering | 12,805 | 05 Jun, 2023 |
| Patricia K Wagner | 12,333 | 06 Mar, 2025 | |
| Scott L Morris | 12,328 | 06 Mar, 2025 | |
| Greg A Milleman | Vp Rates & Regulatory Affairs | 11,553 | 09 Dec, 2025 |
| Michelle R Mortensen | Vp And Corp Sec &Chief Of Staff | 11,512 | 23 Dec, 2025 |
| Michael S Jr Mares | Svp Operations | 10,710 | 09 Dec, 2025 |
| Yvonne Aida Maldonado | 9,754 | 06 Mar, 2025 | |
| Gerald A Simon | Chief Safety & Preparedness | 6,620 | 07 Jun, 2021 |
| Sophie Marwieh James | Vp Water Qual & Envir Affairs | 6,604 | 09 Dec, 2025 |
| Charles R. Patton | 6,215 | 06 Mar, 2025 | |
| Jeffrey Kightlinger | 5,518 | 06 Mar, 2025 | |
| James Patrick Lynch | Svp Cfo And Treasurer | 4,619 | 11 Dec, 2025 |
| Thomas A Scanlon | Corporate Controller & Pao | 3,975 | 09 Dec, 2025 |
| Kenneth G Jenkins | Vp Water Res Plan & Sustain | 3,756 | 09 Dec, 2025 |
| Shawn C Bunting | Sr. Vp And Gc And Business Dev | 3,304 | 09 Dec, 2025 |
| David B Healey | Vp And Ceo And Treasurer | 2,381 | 05 Mar, 2024 |
| Kristen A Hamner | Vp And Chief Human Resource Offcr | 1,378 | 05 Mar, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 23 Dec, 2025 | Michelle R Mortensen | Common Stock | D | 924 | $43.34 | 11,512 | D | S |
| 10 Dec, 2025 | James Patrick Lynch | Common Stock | A | 550 | $42.80 | 4,619 | D | P |
| 07 Dec, 2025 | Martin A Kropelnicki | Common Stock | D | 385 | $44.88 | 136,254 | D | F |
| 07 Dec, 2025 | Michael B Luu | Common Stock | D | 54 | $44.88 | 22,611 | D | D |
| 07 Dec, 2025 | Michelle R Mortensen | Common Stock | D | 57 | $44.88 | 12,436 | D | F |
| 07 Dec, 2025 | Shannon C Dean | Common Stock | D | 57 | $44.88 | 22,166 | D | F |
| 07 Dec, 2025 | Elissa Y Ouyang | Common Stock | D | 52 | $44.88 | 13,445 | D | F |
| 07 Dec, 2025 | Greg A Milleman | Common Stock | D | 51 | $44.88 | 11,553 | D | F |
| 07 Dec, 2025 | Michael S Jr Mares | Common Stock | D | 53 | $44.88 | 10,710 | D | F |
| 07 Dec, 2025 | Thomas A Scanlon | Common Stock | D | 23 | $44.88 | 3,975 | D | F |
| 07 Dec, 2025 | Shawn C Bunting | Common Stock | D | 45 | $44.88 | 3,304 | D | F |
| 07 Dec, 2025 | Kenneth G Jenkins | Common Stock | D | 29 | $44.88 | 3,756 | D | F |
| 07 Dec, 2025 | Sophie Marwieh James | Common Stock | D | 24 | $44.88 | 6,604 | D | F |
| 05 Dec, 2025 | Martin A Kropelnicki | Common Stock | D | 492 | $44.88 | 139,639 | D | F |
| 05 Dec, 2025 | Martin A Kropelnicki | Common Stock | D | 3,000 | $0.00 | 136,639 | D | G |
| 05 Dec, 2025 | James Patrick Lynch | Common Stock | D | 48 | $44.88 | 4,069 | D | F |
| 05 Dec, 2025 | Michael B Luu | Common Stock | D | 69 | $44.88 | 22,665 | D | F |
| 05 Dec, 2025 | Michelle R Mortensen | Common Stock | D | 73 | $44.88 | 12,493 | D | F |
| 05 Dec, 2025 | Shannon C Dean | Common Stock | D | 73 | $44.88 | 22,223 | D | F |
| 05 Dec, 2025 | Elissa Y Ouyang | Common Stock | D | 66 | $44.88 | 13,497 | D | F |