As of September 29, 2026, the three largest insider holders of CWT are Martin A Kropelnicki (Chairman President Ceo, 147.29K shares), Richard P Magnuson (Director, 59.73K shares), Thomas F Iii Smegal (Vp, Cfo Treasurer, 46.78K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Martin A Kropelnicki | Chairman President Ceo | 147,287 | 0 | 147,287 | 21.1% | 08 Sep, 2026 |
| 2 | Richard P Magnuson | Director | 56,413 | 3,320 | 59,733 | 8.6% | 03 Mar, 2022 |
| 3 | Thomas F Iii Smegal | Vp, Cfo Treasurer | 46,777 | 0 | 46,777 | 6.7% | 05 Jun, 2023 |
| 4 | Paul G. Townsley | Vp, Rates Reg Matters | 31,540 | 0 | 31,540 | 4.5% | 05 Jun, 2023 |
| 5 | Lynne P Mcghee | Vp, General Counsel | 26,981 | 0 | 26,981 | 3.9% | 05 Jun, 2023 |
| 6 | Ronald D Webb | Vp, Human Resources | 26,580 | 0 | 26,580 | 3.8% | 11 Mar, 2025 |
| 7 | Gregory E Aliff | Director | 26,395 | 0 | 26,395 | 3.8% | 05 Mar, 2026 |
| 8 | Michael B Luu | Svp Corp Svce Chief Risk Of | 23,744 | 0 | 23,744 | 3.4% | 08 Sep, 2026 |
| 9 | Shannon C Dean | Svp, Cust Svc Chief Sust Of | 23,613 | 0 | 23,613 | 3.4% | 08 Sep, 2026 |
| 10 | Peter C Nelson | Chairman Ceo | 20,420 | 0 | 20,420 | 2.9% | 09 Mar, 2023 |
| 11 | Thomas M Krummel | Director | 20,104 | 0 | 20,104 | 2.9% | 13 Aug, 2026 |
| 12 | Carol M Pottenger | Director | 19,187 | 0 | 19,187 | 2.8% | 05 Mar, 2026 |
| 13 | Shelly Marian Esque | Director | 18,331 | 0 | 18,331 | 2.6% | 05 Mar, 2026 |
| 14 | Lester A Snow | Director | 17,817 | 0 | 17,817 | 2.6% | 01 Sep, 2026 |
| 15 | Terry Bayer | Director | 16,257 | 0 | 16,257 | 2.3% | 03 Mar, 2022 |
| 16 | Patricia K Wagner | Director | 15,214 | 0 | 15,214 | 2.2% | 05 Mar, 2026 |
| 17 | Scott L Morris | Director | 15,209 | 0 | 15,209 | 2.2% | 05 Mar, 2026 |
| 18 | Elissa Y Ouyang | Vp Facilities Fleet Procure It | 14,805 | 0 | 14,805 | 2.1% | 08 Sep, 2026 |
| 19 | Greg A Milleman | Vp Rates Regulatory Affairs | 13,708 | 0 | 13,708 | 2.0% | 08 Jun, 2026 |
| 20 | Michelle R Mortensen | Vp Corp Sect, Gov Assurance | 12,807 | 0 | 12,807 | 1.8% | 08 Sep, 2026 |
| 21 | Robert J Kuta | Vp, Engineering | 12,805 | 0 | 12,805 | 1.8% | 05 Jun, 2023 |
| 22 | Yvonne Aida Maldonado | Director | 12,635 | 0 | 12,635 | 1.8% | 05 Mar, 2026 |
| 23 | Charles R. Patton | Director | 9,062 | 0 | 9,062 | 1.3% | 05 Mar, 2026 |
| 24 | Kenneth G Jenkins | Vp Water Res Plan Sustain | 9,016 | 0 | 9,016 | 1.3% | 08 Sep, 2026 |
| 25 | Jeffrey Kightlinger | Director | 8,355 | 0 | 8,355 | 1.2% | 05 Mar, 2026 |
| 26 | Sophie Marwieh James | Vp Water Qual | 8,287 | 0 | 8,287 | 1.2% | 08 Sep, 2026 |
| 27 | Todd Kenneth Peters | Vice President, Engineering | 8,259 | 0 | 8,259 | 1.2% | 08 Sep, 2026 |
| 28 | Michael S Jr Mares | Svp Operations | 8,252 | 0 | 8,252 | 1.2% | 08 Sep, 2026 |
| 29 | James Patrick Lynch | Svp Cfo And Treasurer | 6,486 | 0 | 6,486 | 0.9% | 08 Sep, 2026 |
| 30 | Thomas A Scanlon | Vp, Corporate Controller Pao | 5,690 | 0 | 5,690 | 0.8% | 08 Sep, 2026 |
| 31 | Shawn C Bunting | Svp, Chief Legal Officer Bd | 4,574 | 0 | 4,574 | 0.7% | 08 Sep, 2026 |
| 32 | Kristan A Hamner | Vp, Chief Human Resource Offcr | 2,979 | 0 | 2,979 | 0.4% | 08 Sep, 2026 |
| 33 | David B Healey | Vp, Ceo And Treasurer | 2,381 | 0 | 2,381 | 0.3% | 05 Mar, 2024 |
| 34 | Gregory Dale Shimansky | Vp, Rates Reg Affairs | 1,311 | 0 | 1,311 | 0.2% | 05 Aug, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 04 Sep, 2026 | Michael B Luu | Svp Corp Svce Chief Risk Of | Disposed F | 70 | $50.03 | $3.50K | 23,812 | Direct |
| 04 Sep, 2026 | Shawn C Bunting | Svp, Chief Legal Officer Bd | Disposed F | 71 | $50.03 | $3.55K | 4,643 | Direct |
| 04 Sep, 2026 | Michelle R Mortensen | Vp Corp Sect, Gov Assurance | Disposed F | 75 | $50.03 | $3.75K | 12,880 | Direct |
| 04 Sep, 2026 | Shannon C Dean | Svp, Cust Svc Chief Sust Of | Disposed F | 75 | $50.03 | $3.75K | 23,685 | Direct |
| 04 Sep, 2026 | Sophie Marwieh James | Vp Water Qual | Disposed F | 51 | $50.03 | $2.55K | 8,337 | Direct |
| 04 Sep, 2026 | Todd Kenneth Peters | Vice President, Engineering | Disposed F | 41 | $50.03 | $2.05K | 8,299 | Direct |
| 04 Sep, 2026 | James Patrick Lynch | Svp Cfo And Treasurer | Disposed F | 50 | $50.03 | $2.50K | 6,534 | Direct |
| 04 Sep, 2026 | Elissa Y Ouyang | Vp Facilities Fleet Procure It | Disposed F | 68 | $50.03 | $3.40K | 14,871 | Direct |
| 04 Sep, 2026 | Thomas A Scanlon | Vp, Corporate Controller Pao | Disposed F | 30 | $50.03 | $1.50K | 5,720 | Direct |
| 04 Sep, 2026 | Michael S Jr Mares | Svp Operations | Disposed F | 69 | $50.03 | $3.45K | 8,319 | Direct |
| 04 Sep, 2026 | Kenneth G Jenkins | Vp Water Res Plan Sustain | Disposed F | 64 | $50.03 | $3.20K | 5,164 | Direct |
| 04 Sep, 2026 | Kristan A Hamner | Vp, Chief Human Resource Offcr | Disposed F | 42 | $50.03 | $2.10K | 2,979 | Direct |
| 04 Sep, 2026 | Martin A Kropelnicki | Chairman President Ceo | Disposed F | 505 | $50.03 | $25.27K | 147,780 | Direct |
| 05 Sep, 2026 | James Patrick Lynch | Svp Cfo And Treasurer | Disposed F | 48 | $50.03 | $2.40K | 6,486 | Direct |
| 05 Sep, 2026 | Martin A Kropelnicki | Chairman President Ceo | Disposed F | 493 | $50.03 | $24.66K | 147,287 | Direct |
| 05 Sep, 2026 | Shawn C Bunting | Svp, Chief Legal Officer Bd | Disposed F | 69 | $50.03 | $3.45K | 4,574 | Direct |
| 05 Sep, 2026 | Sophie Marwieh James | Vp Water Qual | Disposed F | 50 | $50.03 | $2.50K | 8,287 | Direct |
| 05 Sep, 2026 | Todd Kenneth Peters | Vice President, Engineering | Disposed F | 40 | $50.03 | $2.00K | 8,259 | Direct |
| 05 Sep, 2026 | Shannon C Dean | Svp, Cust Svc Chief Sust Of | Disposed F | 72 | $50.03 | $3.60K | 23,613 | Direct |
| 05 Sep, 2026 | Thomas A Scanlon | Vp, Corporate Controller Pao | Disposed F | 30 | $50.03 | $1.50K | 5,690 | Direct |