California Water Service Group
CWT- Exchange
- NYSE
- Industry
- Water Supply
- SEC CIK
- 0001035201
In the last 90 days, California Water Service Group insiders filed 0 open-market purchases and 2 sales; 346 institutions reported holding it in 13F filings for Q2 2026, worth $2.70B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by California Water Service Group insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 2 filings
- 2 insiders, $211.5K in total
- Insiders trading
- 2
- Net value
- −$211.5K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for California Water Service Group, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Scanlon Thomas A | VP, Corporate Controller & PAO | 5,690 | Sep 8, 2026 | 5 |
| Peters Todd Kenneth | Vice President, Engineering | 8,259 | Sep 8, 2026 | 4 |
| Ouyang Elissa Y | VP Facilities Fleet Procure IT | 14,805 | Sep 8, 2026 | 5 |
| Mortensen Michelle R | VP Corp Sect, Gov & Assurance | 12,807 | Sep 8, 2026 | 6 |
| Mares Michael S JR | SVP Operations | 8,252 | Sep 8, 2026 | 6 |
| Lynch James Patrick | SVP CFO and Treasurer | 6,486 | Sep 8, 2026 | 6 |
| Luu Michael B | SVP Corp Svce & Chief Risk Of | 23,744 | Sep 8, 2026 | 6 |
| Kropelnicki Martin A | Chairman President & CEO | 147,287 | Sep 8, 2026 | 5 |
| Jenkins Kenneth G | VP Water Res Plan & Sustain | 5,126 | Sep 8, 2026 | 5 |
| James Sophie Marwieh | VP Water Qual | 8,287 | Sep 8, 2026 | 5 |
| Hamner Kristen A | VP, Chief Human Resource Offcr | 2,979 | Sep 8, 2026 | 3 |
| Dean Shannon C | SVP, Cust Svc & Chief Sust Of | 23,613 | Sep 8, 2026 | 5 |
| Bunting Shawn C | SVP, Chief Legal Officer & BD | 4,574 | Sep 8, 2026 | 5 |
| Snow Lester A | Director | 17,817 | Sep 1, 2026 | 3 |
| Krummel Thomas M | Director | 20,104 | Aug 14, 2026 | 3 |
| Shimansky Gregory Dale | VP, Rates & Reg Affairs | 1,311 | Aug 5, 2026 | 1 |
| Milleman Greg A | VP Rates & Regulatory Affairs | 13,708 | Jun 8, 2026 | 4 |
| Morris Scott L | Director | 15,209 | Mar 5, 2026 | 1 |
| Patton Charles R. | Director | 9,062 | Mar 5, 2026 | 1 |
| Aliff Gregory E | Director | 26,395 | Mar 5, 2026 | 1 |
| Wagner Patricia K | Director | 15,214 | Mar 5, 2026 | 1 |
| Pottenger Carol M | Director | 19,187 | Mar 5, 2026 | 1 |
| Esque Shelly Marian | Director | 18,331 | Mar 5, 2026 | 1 |
| Maldonado Yvonne Aida | Director | 12,635 | Mar 5, 2026 | 1 |
| Kightlinger Jeffrey | Director | 8,355 | Mar 5, 2026 | 1 |
| Webb Ronald D | VP, Human Resources | 26,580 | Mar 11, 2025 | 0 |
| Healey David B | VP, CEO and Treasurer | 2,381 | Mar 5, 2024 | 0 |
| McGhee Lynne P | VP, General Counsel | 26,981 | Jun 5, 2023 | 0 |
| Smegal Thomas F III | VP, CFO & Treasurer | 46,777 | Jun 5, 2023 | 0 |
| Townsley Paul G. | VP, Rates & Reg Matters | 31,540 | Jun 5, 2023 | 0 |
| Kuta Robert J | VP, Engineering | 12,805 | Jun 5, 2023 | 0 |
| Nelson Peter C | Director | 20,420 | Mar 9, 2023 | 0 |
| Magnuson Richard P | Director | 3,320Indirect | Mar 3, 2022 | 0 |
| Bayer Terry | Director | 16,257 | Mar 3, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2026 (view filing)5:07 PM ET | Sep 1 | Same day | Snow Lester ADirector | SSale | −500 | $50.21 | −$25.1K | −2.7%17.8K after | |
| Aug 14, 2026 (view filing)5:13 PM ET | Aug 13 | 1 day | Krummel Thomas MDirector | SSale | −3.70K | $50.37 | −$186.4K | −15.5%20.1K after | |
| May 27, 2026 (view filing) | May 27 | Same day | Snow Lester ADirector | SSale | −1.10K | $44.00 | −$48.4K | −5.7%18.3K after | |
| May 21, 2026 (view filing) | May 21 | Same day | Krummel Thomas MDirector | SSale | −3.70K | $43.30 | −$160.2K | −13.5%23.8K after | |
| Mar 24, 2026 (view filing) | Mar 20 | 4 days | Luu Michael BSr. VP Corp Svcs & Chief Risk | SSale | −739.85 | $44.53 | −$32.9K | −3.0%23.7K after | |
| Mar 24, 2026 (view filing) | Mar 20 | 4 days | Mares Michael S JRVice President, Operations | SSale | −3.89K | $44.00 | −$171.2K | −31.3%8.52K after | |
| Dec 23, 2025 (view filing) | Dec 23 | Same day | Mortensen Michelle RVP, Corp Sec &Chief of Staff | SSale | −924 | $43.34 | −$40.0K | −7.4%11.5K after | |
| Dec 11, 2025 (view filing) | Dec 10 | 1 day | Lynch James PatrickSVP CFO and Treasurer | PPurchase | +550 | $42.80 | +$23.5K | +13.5%4.62K after | |
| Jun 13, 2025 (view filing) | Jun 12 | 1 day | Snow Lester ADirector | SSale | −1.20K | $46.51 | −$55.8K | −4.4%26.3K after | |
| Nov 25, 2024 (view filing) | Nov 22 | 3 days | Luu Michael BSr. VP Corp Svcs & Chief Risk | SSale | −985 | $51.50 | −$50.7K | −4.6%20.4K after | |
| Sep 4, 2024 (view filing) | Sep 4 | Same day | Krummel Thomas MDirector | SSale | −555 | $55.09 | −$30.6K | −2.5%22.0K after | 10b5-1 |
| Aug 22, 2024 (view filing) | Aug 21 | 1 day | Krummel Thomas MDirector | SSale | −555 | $54.33 | −$30.2K | −2.4%22.5K after | 10b5-1 |
| Aug 8, 2024 (view filing) | Aug 7 | 1 day | Krummel Thomas MDirector | SSale | −555 | $52.91 | −$29.4K | −2.4%23.1K after | 10b5-1 |
| Jul 17, 2024 (view filing) | Jul 17 | Same day | Krummel Thomas MDirector | SSale | −555 | $52.99 | −$29.4K | −2.3%23.6K after | 10b5-1 |
| Jul 11, 2024 (view filing) | Jul 11 | Same day | Krummel Thomas MDirector | SSale | −1.65K | $50.07 | −$82.8K | −6.4%24.2K after | 10b5-1 |
| May 15, 2024 (view filing) | May 15 | Same day | Krummel Thomas MDirector | SSale | −555 | $53.26 | −$29.6K | −2.3%23.3K after | 10b5-1 |
| May 1, 2024 (view filing) | May 1 | Same day | Krummel Thomas MDirector | SSale | −2.22K | $50.00 | −$111.0K | −8.5%23.9K after | 10b5-1 |
| Jan 4, 2024 (view filing) | Jan 3 | 1 day | Krummel Thomas MDirector | SSale | −555 | $51.90 | −$28.8K | −2.1%26.1K after | 10b5-1 |
| Dec 20, 2023 (view filing) | Dec 20 | Same day | Krummel Thomas MDirector | SSale | −555 | $53.45 | −$29.7K | −2.0%26.6K after | 10b5-1 |
| Dec 12, 2023 (view filing) | Dec 12 | Same day | Mortensen Michelle RCorporate Secretary | SSale | −675 | $52.56 | −$35.5K | −7.0%8.98K after | |
| Nov 15, 2023 (view filing) | Nov 15 | Same day | Krummel Thomas MDirector | SSale | −555 | $51.77 | −$28.7K | −2.0%27.7K after | 10b5-1 |
| Nov 3, 2023 (view filing) | Nov 2 | 1 day | Krummel Thomas MDirector | SSale | −2.22K | $50.00 | −$111.0K | −7.3%28.3K after | 10b5-1 |
| May 5, 2023 (view filing) | May 5 | Same day | Kuta Robert JVP, Engineering | SSale | −1.00K | $56.79 | −$56.8K | −7.2%12.9K after | |
| Dec 19, 2022 (view filing) | Dec 13 | 6 daysLate | Krummel Thomas MDirector | SSale | −469 | $64.89 | −$30.4K | −1.6%28.6K after | |
| Nov 30, 2022 (view filing) | Nov 30 | Same day | Krummel Thomas MDirector | SSale | −1.53K | $62.92 | −$96.2K | −5.0%29.1K after | |
| Nov 9, 2022 (view filing) | Nov 7 | 2 days | Healey David BVP, Controller | SSale | −200 | $60.00 | −$12.0K | −1.4%14.2K after | |
| Nov 2, 2022 (view filing) | Nov 2 | Same day | Healey David BVP, Controller | SSale | −300 | $59.78 | −$17.9K | −2.0%14.4K after | |
| Sep 22, 2022 (view filing) | Sep 22 | Same day | Mortensen Michelle RCorporate Secretary | SSale | −615 | $56.74 | −$34.9K | −6.7%8.58K after | |
| Sep 12, 2022 (view filing) | Sep 12 | Same day | Healey David BVP, Controller | SSale | −300 | $59.85 | −$18.0K | −2.0%14.7K after | |
| Aug 30, 2022 (view filing) | Aug 30 | Same day | Healey David BVP, Controller | SSale | −300 | $60.54 | −$18.2K | −1.9%15.1K after | |
| Aug 19, 2022 (view filing) | Aug 19 | Same day | Snow Lester ADirector | SSale | −1.00K | $63.04 | −$63.0K | −4.8%19.9K after | |
| Aug 4, 2022 (view filing) | Aug 3 | 1 day | Luu Michael BVP, Customer Service & IT | SSale | −425 | $60.54 | −$25.7K | −2.3%18.3K after | |
| Jun 6, 2022 (view filing) | Jun 6 | Same day | Healey David BVP, Controller | SSale | −200 | $55.12 | −$11.0K | −1.3%15.4K after | |
| Jun 6, 2022 (view filing) | Jun 3 | 3 days | Kuta Robert JVP, Engineering | SSale | −1.36K | $55.14 | −$75.3K | −10.1%12.1K after | |
| Jun 2, 2022 (view filing) | Jun 2 | Same day | Healey David BVP, Controller | SSale | −300 | $55.00 | −$16.5K | −1.9%15.7K after | |
| May 17, 2022 (view filing) | May 17 | Same day | Healey David BVP, Controller | SSale | −500 | $53.15 | −$26.6K | −3.0%16.0K after | |
| Dec 16, 2021 (view filing) | Dec 16 | Same day | Kuta Robert JVP, Engineering | SSale | −1.20K | $71.23 | −$85.5K | −9.2%11.9K after | |
| Dec 16, 2021 (view filing) | Dec 15 | 1 day | Mortensen Michelle RCorporate Secretary | SSale | −430 | $70.75 | −$30.4K | −5.1%7.97K after | |
| Sep 2, 2021 (view filing) | Sep 2 | Same day | Healey David BVP, Controller | SSale | −250 | $65.12 | −$16.3K | −1.6%15.0K after | |
| Aug 12, 2021 (view filing) | Aug 12 | Same day | Snow Lester ADirector | SSale | −700 | $63.50 | −$44.5K | −3.5%19.2K after | |
| Aug 4, 2021 (view filing) | Aug 4 | Same day | McGhee Lynne PVP, General Counsel | SSale | −746 | $64.00 | −$47.7K | −2.9%25.4K after | |
| Aug 4, 2021 (view filing) | Aug 4 | Same day | Healey David BVP, Controller | SSale | −500 | $63.77 | −$31.9K | −3.2%15.3K after |