California Water Service Group
Last updated September 27, 2026
Organization details
- Legal name
- California Water Service Group
- Ownership
- Public
- Status
- Active
- SIC code
- 4941 — Water Supply
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- SAN Jose
- Headquarters state / province
- California
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- CWT
- Primary stock exchange
- NYSE
Identifiers
- SEC CIK
- 0001035201
- EIN
- 77-0448994
Board of directors
-
Carol M. Pottenger · DirectorSince 2023
-
Charles R. Patton · DirectorSince 2023
-
Gregory E. Aliff · DirectorSince 2023
-
Jeffrey Kightlinger · DirectorSince 2023
-
Lester A. Snow · DirectorSince 2023
-
Patricia K. Wagner · DirectorSince 2023
-
Peter C. Nelson · DirectorSince 2023
-
Scott L. Morris · DirectorSince 2023
-
Shelly Marian Esque · DirectorSince 2023
-
Thomas M. Krummel · DirectorSince 2023
-
Yvonne Aida Maldonado · DirectorSince 2023
Director election results
Annual meeting of May 20, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
95.7%
-
97.7%
-
98.6%
-
98.8%
-
99.5%
-
99.5%
-
99.5%
-
99.5%
-
99.7%
-
99.8%
Board connections
5 of this board's directors also sit on 8 other boards.
- via Charles R. Patton
- via Patricia K. Wagner
- via Scott L. Morris
- via Charles R. Patton
- via Gregory E. Aliff
- via Thomas M. Krummel
- via Patricia K. Wagner
- via Charles R. Patton
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $23,540
- 1 purchase by 1 insider
- Sold, last 12 months
- $664,305
- 7 sales by 5 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 5, 2026 | Bunting Shawn C Officer (SVP, Chief Legal Officer & BD) | Shares withheld for tax | −69 | $50.03 | $3,452 |
| Sep 5, 2026 | KROPELNICKI MARTIN A Officer (Chairman President & CEO) | Shares withheld for tax | −493 | $50.03 | $24,665 |
| Sep 5, 2026 | Lynch James Patrick Officer (SVP CFO and Treasurer) | Shares withheld for tax | −48 | $50.03 | $2,401 |
| Sep 5, 2026 | Luu Michael B Officer (SVP Corp Svce & Chief Risk Of) | Shares withheld for tax | −68 | $50.03 | $3,402 |
| Sep 5, 2026 | Mortensen Michelle R Officer (VP Corp Sect, Gov & Assurance) | Shares withheld for tax | −73 | $50.03 | $3,652 |
| Sep 5, 2026 | Dean Shannon C Officer (SVP, Cust Svc & Chief Sust Of) | Shares withheld for tax | −72 | $50.03 | $3,602 |
| Sep 5, 2026 | Ouyang Elissa Y Officer (VP Facilities Fleet Procure IT) | Shares withheld for tax | −66 | $50.03 | $3,302 |
| Sep 5, 2026 | Mares Michael S JR Officer (SVP Operations) | Shares withheld for tax | −67 | $50.03 | $3,352 |
| Sep 5, 2026 | Scanlon Thomas A Officer (VP, Corporate Controller & PAO) | Shares withheld for tax | −30 | $50.03 | $1,501 |
| Sep 5, 2026 | Peters Todd Kenneth Officer (Vice President, Engineering) | Shares withheld for tax | −40 | $50.03 | $2,001 |
| Sep 5, 2026 | Jenkins Kenneth G Officer (VP Water Res Plan & Sustain) | Shares withheld for tax | −38 | $50.03 | $1,901 |
| Sep 5, 2026 | James Sophie Marwieh Officer (VP Water Qual) | Shares withheld for tax | −50 | $50.03 | $2,502 |
| Sep 4, 2026 | Bunting Shawn C Officer (SVP, Chief Legal Officer & BD) | Shares withheld for tax | −71 | $50.03 | $3,552 |
| Sep 4, 2026 | KROPELNICKI MARTIN A Officer (Chairman President & CEO) | Shares withheld for tax | −505 | $50.03 | $25,265 |
| Sep 4, 2026 | Lynch James Patrick Officer (SVP CFO and Treasurer) | Shares withheld for tax | −50 | $50.03 | $2,502 |
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