List of insiders holdings for CALIFORNIA WATER SERVICE GROUP:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | KROPELNICKI MARTIN A Chairman, President & CEO | 2025-06-11 11:53:58 | 140,571 0 | 140,571 | Form 4 |
| 2 | MAGNUSON RICHARD P Director | 2022-03-03 12:40:42 | 56,413 3,370 | 59,783 | Form 4 |
| 3 | MCFARLANE CHRISTINE L VP & Chief Admin Officer | 2013-04-04 19:24:47 | 55,139 0 | 55,139 | Form 4/A |
| 4 | FOY ROBERT W Director | 2012-03-07 19:23:25 | 53,187 0 | 53,187 | Form 4 |
| 5 | Smegal Thomas F III VP, CFO & Treasurer | 2023-06-05 18:36:48 | 46,777 0 | 46,777 | Form 4 |
| 6 | EKSTROM PAUL G VP CS, HR AND IT | 2012-03-07 17:55:17 | 43,678 0 | 43,678 | Form 4 |
| 7 | VERA GEORGE A Director | 2018-04-11 14:27:07 | 41,514 0 | 41,514 | Form 4 |
| 8 | BREED CALVIN L Controller, Retired | 2012-08-29 18:08:23 | 39,859 0 | 39,859 | Form 4 |
| 9 | FERRARO FRANCIS S Retired Officer | 2016-12-06 18:21:49 | 38,781 0 | 38,781 | Form 4 |
| 10 | GUILES EDWIN A Director | 2019-03-07 19:51:33 | 33,710 0 | 33,710 | Form 4 |
| 11 | Townsley Paul G. VP, Rates & Reg Matters | 2023-06-05 20:31:52 | 31,540 0 | 31,540 | Form 4 |
| 12 | Rossi Michael J Retired Vice President | 2016-12-06 18:11:34 | 31,039 0 | 31,039 | Form 4 |
| 13 | MEIER LINDA R Director | 2016-03-03 20:31:47 | 30,465 0 | 30,465 | Form 4 |
| 14 | GUZZETTA ROBERT Retired Officer | 2014-11-19 18:59:14 | 30,016 0 | 30,016 | Form 4 |
| 15 | HILL BONNIE GUITON Director | 2017-03-02 19:42:05 | 27,813 0 | 27,813 | Form 4 |
| 16 | McGhee Lynne P VP, General Counsel | 2023-06-05 20:14:49 | 26,981 0 | 26,981 | Form 4 |
| 17 | Webb Ronald D VP, Human Resources | 2025-03-11 19:43:17 | 26,580 0 | 26,580 | Form 4 |
| 18 | Snow Lester A Director | 2025-06-13 20:47:53 | 26,349 0 | 26,349 | Form 4 |
| 19 | Krummel Thomas M Director | 2025-03-06 18:36:15 | 24,624 0 | 24,624 | Form 4 |
| 20 | BROWN DOUGLAS M Director | 2013-04-04 20:59:21 | 24,341 0 | 24,341 | Form 4/A |
| 21 | Aliff Gregory E Director | 2025-03-06 18:24:48 | 23,060 0 | 23,060 | Form 4 |
| 22 | Luu Michael B Sr. VP Corp Svcs & Chief Risk | 2025-06-11 11:54:50 | 22,380 0 | 22,380 | Form 4 |
| 23 | Dean Shannon C SR. VP, Cust Svc & Chief Sust. | 2025-06-11 11:48:01 | 22,308 0 | 22,308 | Form 4 |
| 24 | NELSON PETER C Director | 2023-03-09 18:15:42 | 20,420 0 | 20,420 | Form 4 |
| 25 | Pottenger Carol M Director | 2025-03-06 18:48:05 | 16,306 0 | 16,306 | Form 4 |
| 26 | BAYER TERRY Director | 2022-03-03 12:29:45 | 16,257 0 | 16,257 | Form 4 |
| 27 | Esque Shelly Marian Director | 2025-03-06 18:29:42 | 15,358 0 | 15,358 | Form 4 |
| 28 | Treloar Timothy D VP, Ops and Water Quality | 2019-12-09 17:08:48 | 14,907 0 | 14,907 | Form 4 |
| 29 | Ouyang Elissa Y Chief Procurement & Lead CI | 2025-06-11 11:45:27 | 13,370 0 | 13,370 | Form 4 |
| 30 | Kuta Robert J VP, Engineering | 2023-06-05 19:52:00 | 12,805 0 | 12,805 | Form 4 |
| 31 | Mortensen Michelle R VP, Corp Sec &Chief of Staff | 2025-06-11 11:49:00 | 12,696 0 | 12,696 | Form 4 |
| 32 | Wagner Patricia K Director | 2025-03-06 19:05:15 | 12,333 0 | 12,333 | Form 4 |
| 33 | MORRIS SCOTT L Director | 2025-03-06 18:41:04 | 12,328 0 | 12,328 | Form 4 |
| 34 | Milleman Greg A VP, Rates and Regulatory Aff | 2025-06-11 11:50:33 | 11,345 0 | 11,345 | Form 4 |
| 35 | Mares Michael S JR Vice President, Operations | 2025-06-11 11:51:19 | 10,950 0 | 10,950 | Form 4 |
| 36 | KARRAKER DAVID R VP, Customer Svc & IT | 2013-04-04 19:18:52 | 10,435 0 | 10,435 | Form 4/A |
| 37 | DEL GROSSO HELEN R VP, HR | 2014-03-05 20:39:38 | 9,844 0 | 9,844 | Form 4 |
| 38 | Maldonado Yvonne Aida Director | 2025-03-06 18:38:41 | 9,754 0 | 9,754 | Form 4 |
| 39 | Simon Gerald A Chief Safety & Preparedness | 2021-06-07 13:19:45 | 6,620 0 | 6,620 | Form 4 |
| 40 | James Sophie Marwieh VP, Water Quality/ Env Affairs | 2025-06-11 11:49:47 | 6,351 0 | 6,351 | Form 4 |
| 41 | Patton Charles R. Director | 2025-03-06 18:43:28 | 6,215 0 | 6,215 | Form 4 |
| 42 | HARRIS EDWARD D JR Director | 2010-03-03 14:42:54 | 5,679 0 | 5,679 | Form 4 |
| 43 | Kightlinger Jeffrey Director | 2025-03-06 18:32:56 | 5,518 0 | 5,518 | Form 4 |
| 44 | Tootle John S corporate counsel | 2006-05-10 14:13:18 | 310 4,763 | 5,073 | Form 4 |
| 45 | TAYLOR RAYMOND H Vice President, Operations | 2005-08-03 12:49:27 | 4,250 821.6 | 5,072 | Form 4 |
| 46 | Scanlon Thomas A Controller & Principal Acctng | 2025-06-11 11:46:55 | 4,008 0 | 4,008 | Form 4 |
| 47 | Jenkins Kenneth G VP, Water Res. Plan & Sustain | 2025-06-11 11:53:06 | 3,890 0 | 3,890 | Form 4 |
| 48 | Lynch James Patrick Sr. VP, CFO & Treasurer | 2025-06-09 18:17:28 | 3,691 0 | 3,691 | Form 4 |
| 49 | Bunting Shawn C Sr. VP, GC and Business Dev | 2025-06-11 11:52:10 | 3,532 0 | 3,532 | Form 4 |
| 50 | KENNEDY DAVID N Director | 2007-03-07 20:27:59 | 3,075 0 | 3,075 | Form 4 |
| 51 | STOCKTON DAN L V.P. & Corporate Secretary | 2006-05-11 18:49:10 | 2,825 0 | 2,825 | Form 4 |
| 52 | Healey David B VP, CEO and Treasurer | 2024-03-05 19:44:50 | 2,381 0 | 2,381 | Form 4 |
| 53 | HAMNER KRISTEN A VP, Chief Human Resource Offcr | 2025-03-05 21:56:45 | 1,378 0 | 1,378 | Form 4 |