California Water Service Group (CWT) Insider Ownership

Historic Insider Ownership Trends

CWT's three largest insider shareholders as of March 23, 2026 are Martin A Kropelnicki (Chairman President Ceo, 148.83K shares), Richard P Magnuson (Director, 59.73K shares), Thomas F Iii Smegal (Vp, Cfo Treasurer, 46.78K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Martin A Kropelnicki Chairman President Ceo 148,828 0 09 Mar, 2026
Richard P Magnuson 56,413 3,320 03 Mar, 2022
Thomas F Iii Smegal Vp, Cfo Treasurer 46,777 0 05 Jun, 2023
Paul G. Townsley Vp, Rates Reg Matters 31,540 0 05 Jun, 2023
Thomas M Krummel 27,505 0 05 Mar, 2026
Lynne P Mcghee Vp, General Counsel 26,981 0 05 Jun, 2023
Ronald D Webb Vp, Human Resources 26,580 0 11 Mar, 2025
Gregory E Aliff 26,395 0 05 Mar, 2026
Michael B Luu Svp Corp Svce Chief Risk Of 24,395 0 09 Mar, 2026
Shannon C Dean Sr. Vp, Cust Svc Chief Sust 23,816 0 09 Mar, 2026
Peter C Nelson 20,420 0 09 Mar, 2023
Lester A Snow 19,416 0 05 Mar, 2026
Carol M Pottenger 19,187 0 05 Mar, 2026
Shelly Marian Esque 18,331 0 05 Mar, 2026
Terry Bayer 16,257 0 03 Mar, 2022
Patricia K Wagner 15,214 0 05 Mar, 2026
Scott L Morris 15,209 0 05 Mar, 2026
Elissa Y Ouyang Vp Facilities Fleet Procure 15,066 0 09 Mar, 2026
Greg A Milleman Vp Rates Regulatory Affairs 13,387 0 09 Mar, 2026
Michelle R Mortensen Vp Corp Sect Chief Of Staff 13,101 0 09 Mar, 2026
Robert J Kuta Vp, Engineering 12,805 0 05 Jun, 2023
Yvonne Aida Maldonado 12,635 0 05 Mar, 2026
Michael S Jr Mares Svp Operations 12,417 0 09 Mar, 2026
Charles R. Patton 9,062 0 05 Mar, 2026
Todd Kenneth Peters Vice President, Engineering 8,420 0 09 Mar, 2026
Jeffrey Kightlinger 8,355 0 05 Mar, 2026
Sophie Marwieh James Vp Water Qual Envir Affairs 8,327 0 09 Mar, 2026
Gerald A Simon Chief Safety Preparedness 6,620 0 07 Jun, 2021
James Patrick Lynch Svp Cfo And Treasurer 6,206 0 09 Mar, 2026
Thomas A Scanlon Vp, Corporate Controller Cao 5,783 0 09 Mar, 2026
Kenneth G Jenkins Vp Water Res Plan Sustain 5,329 0 09 Mar, 2026
Shawn C Bunting Sr. Vp, Gc And Business Dev 4,853 0 09 Mar, 2026
Kristan A Hamner Vp, Chief Human Resource Offcr 2,943 0 05 Mar, 2026
David B Healey Vp, Ceo And Treasurer 2,381 0 05 Mar, 2024

* 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
05 Mar, 2026 Greg A Milleman Common Stock D 73 $45.78 13,030 D F
05 Mar, 2026 Sophie Marwieh James Common Stock D 57 $45.78 8,038 D F
05 Mar, 2026 Shawn C Bunting Common Stock D 76 $45.78 4,574 D F
05 Mar, 2026 Thomas A Scanlon Common Stock D 34 $45.78 5,487 D F
05 Mar, 2026 Michael B Luu Common Stock D 76 $45.78 23,968 D F
05 Mar, 2026 James Patrick Lynch Common Stock D 56 $45.78 6,206 D F
05 Mar, 2026 Martin A Kropelnicki Common Stock D 493 $45.78 146,523 D F
05 Mar, 2026 Elissa Y Ouyang Common Stock D 74 $45.78 14,711 D F
05 Mar, 2026 Michael S Jr Mares Common Stock D 75 $45.78 12,070 D F
05 Mar, 2026 Kenneth G Jenkins Common Stock D 42 $45.78 5,095 D F
05 Mar, 2026 Todd Kenneth Peters Common Stock D 44 $45.78 8,202 D F
05 Mar, 2026 Shannon C Dean Common Stock D 80 $45.78 23,509 D F
05 Mar, 2026 Michelle R Mortensen Common Stock D 80 $45.78 12,798 D F
07 Mar, 2026 Sophie Marwieh James Common Stock A 548 $0.00 8,586 D A
07 Mar, 2026 Todd Kenneth Peters Common Stock A 548 $0.00 8,750 D A
07 Mar, 2026 Shannon C Dean Common Stock A 900 $0.00 24,409 D A
07 Mar, 2026 Elissa Y Ouyang Common Stock A 900 $0.00 15,611 D A
07 Mar, 2026 Michael B Luu Common Stock A 900 $0.00 24,868 D A
07 Mar, 2026 Michael S Jr Mares Common Stock A 900 $0.00 12,970 D A
07 Mar, 2026 Michelle R Mortensen Common Stock A 900 $0.00 13,698 D A