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Who

Thomas M. Krummel

Director

Company insider

Files Form 4 as: Director, California Water Service Group; Director, PROCEPT BioRobotics.

In numbers

Trades disclosed
62
Buys
5
Sells
18
Bought
$311K
Sold
$4.3M
Companies
2
Companies where not an officer
2
First trade
5 Aug 2010
Last trade
13 Aug 2026
Last filed
14 Aug 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
CWT California Water Service GroupDirector · Gas & Water Utilities · last 13 Aug 20264 buys · 15 sells
PRCT PROCEPT BioRoboticsDirector · Medical Devices · last 4 Jun 20241 buy · 3 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
13 Aug 2026filed 14 Aug 2026CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Sold$186K3,700 at $50.37filing
13 Aug 2026filed 14 Aug 2026CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Sold$186K3,700 at $50.37filing
21 May 2026filed 21 May 2026CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Sold$160K3,700 at $43.30filing
21 May 2026filed 21 May 2026CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Sold$160K3,700 at $43.30filing
3 Mar 2026filed 5 Mar 2026CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Code A—2,816 at $0.00filing
3 Mar 2026filed 5 Mar 2026CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Code A—2,816 at $0.00filing
4 Mar 2025filed 6 Mar 2025CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Code A—2,645 at $0.00filing
4 Sep 2024filed 4 Sep 2024CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Sold$31K555 at $55.09filing
21 Aug 2024filed 22 Aug 2024CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Sold$30K555 at $54.33filing
7 Aug 2024filed 8 Aug 2024CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Sold$29K555 at $52.91filing
17 Jul 2024filed 17 Jul 2024CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Sold$29K555 at $52.99filing
11 Jul 2024filed 11 Jul 2024CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Sold$83K1,654 at $50.07filing
5 Jun 2024filed 6 Jun 2024CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Code A$123K2,488 at $49.62filing
4 Jun 2024filed 6 Jun 2024PRCT PROCEPT BioRoboticsoption or derivative · Medical DevicesSEC FORM 4 Code A—2,526 at $0.00filing
4 Jun 2024filed 6 Jun 2024PRCT PROCEPT BioRoboticsMedical DevicesSEC FORM 4 Code A—1,376 at $0.00filing
15 May 2024filed 15 May 2024CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Sold$30K555 at $53.26filing
1 May 2024filed 3 May 2024PRCT PROCEPT BioRoboticsMedical DevicesSEC FORM 4 Sold$1.2M20,000 at $60.00filing
1 May 2024filed 1 May 2024CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Sold$111K2,220 at $50.00filing
5 Mar 2024filed 18 Mar 2024CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Code A—0 at $0.00filing
5 Mar 2024filed 7 Mar 2024CWT California Water Service GroupGas & Water UtilitiesSEC FORM 4 Code A$112K2,477 at $45.37filing

News

California Water Service Group (NYSE:CWT) Shares Gap Up – What's Next?CWT · dailypolitical.com · 15 Oct 2026

0 headlines in the last 90 days name Thomas M. Krummel; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Utilities19
Health Care4

Buys in green, sells in red, by the company’s sector.

Related people

Michelle R. MortensenVP Corp Sect, Gov & Assurance · VP Corp Sect, Gov & Assurance at California Water Service Group, filing Form 4 there in the last year
Todd Kenneth PetersVice President, Engineering · Vice President, Engineering at California Water Service Group, filing Form 4 there in the last year
Shawn C. BuntingSVP, Chief Legal Officer & BD · SVP, Chief Legal Officer & BD at California Water Service Group, filing Form 4 there in the last year
Kenneth G. JenkinsVP Water Res Plan & Sustain · VP Water Res Plan & Sustain at California Water Service Group, filing Form 4 there in the last year
Sophie Marwieh JamesVP Water Qual · VP Water Qual at California Water Service Group, filing Form 4 there in the last year
Alaleh NouriEVP, CLO, Corp. Sec. · Also traded PRCT in the last 90 days
Barry L. TemplinEVP, Chief Technology Officer · Also traded PRCT in the last 90 days
Kevin WatersEVP, CFO · Also traded PRCT in the last 90 days