United States Water Utilities

California Water Service Group (CWT)

Track

Over the past 90 days, California Water Service Group has seen three insider sell transactions totaling approximately $369,009. These sales occurred amid a 15.3% stock price increase over the same period. The company recently reported earnings that exceeded expectations by 17.72%, with the stock currently trading at 72.84% of its 52-week range.
Ticker: CWT Exchange: NYS
Preparing chart...
Download chart Copy chart image Copy link Share to X Share


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Upgrade for signal details

Upgrade to see score, net flow, insiders and context.

Upgrade to see full signal details →

Insider trades have triggered activity signals for California Water Service Group. Upgrade to see score, net flow, insiders and the full signal context.

Open in Activity Signals screener →
Top insiders
Trades
Proposed sale 13 Aug 2026
Value US$4,354,096.06 | Price 394.20 | Shares 25,146
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-13 2026-08-13 PrS Proposed sale
3.2
Krummel Thomas M

Director

Non-Executive Director
25,146
394.20
US$4,354,096 		25,146 394.20 US$4,354,096
2026-05-27 2026-05-27 S Sale
3.1
Snow Lester A
Non-Executive Director
71,636 -35.0%
323.65
US$1,401,356 		71,636 -35.0% 323.65 US$1,401,356
2026-05-21 2026-05-21 S Sale
3.2
Krummel Thomas M
Non-Executive Director
70,610 +27.5%
333.64
US$4,044,285 		70,610 +27.5% 333.64 US$4,044,285
2026-05-21 2026-05-21 PrS Proposed sale
3.2
Krummel Thomas M

Director

Non-Executive Director
3,700
43.35
US$160,395 		3,700 43.35 US$160,395
2026-03-24 2026-03-20 S Sale
2.8
Luu Michael B

Sr. VP Corp Svcs & Chief Risk

Officer
740 -3.0%
44.53
US$32,945 		740 -3.0% 44.53 US$32,945
2026-03-24 2026-03-20 S Sale
0.8
Mares Michael S JR

Vice President, Operations

Officer
3,892 -31.3%
44.00
US$171,248 		3,892 -31.3% 44.00 US$171,248
2026-03-20 2026-03-20 PrS Proposed sale
0.8
MICHAEL MARES

Officer

Officer
3,892
44.00
US$171,248 		3,892 44.00 US$171,248
2025-12-23 2025-12-23 S Sale
3.1
Mortensen Michelle R

VP, Corp Sec &Chief of Staff

Officer
924 -7.4%
43.34
US$40,046 		924 -7.4% 43.34 US$40,046
2025-12-11 2025-12-10 B Purchase
3.6
Lynch James Patrick

SVP CFO and Treasurer

Officer
550 +13.5%
42.80
US$23,540 		550 +13.5% 42.80 US$23,540
2025-06-13 2025-06-12 S Sale
3.1
Snow Lester A
Non-Executive Director
1,200 -4.4%
46.51
US$55,812 		1,200 -4.4% 46.51 US$55,812
2024-11-25 2024-11-22 S Sale
2.8
Luu Michael B

Sr. VP Corp Svcs & Chief Risk

Officer
985 -4.6%
51.50
US$50,728 		985 -4.6% 51.50 US$50,728
2024-11-22 2024-11-22 PrS Proposed sale
2.8
Luu Michael B

Officer; Sr. VP Corp. Svcs. & Chief Risk

Officer
985
51.50
US$50,727 		985 51.50 US$50,727
2024-09-04 2024-09-04 S Sale
3.2
Krummel Thomas M
Non-Executive Director
555 -2.5%
55.09
US$30,575 		555 -2.5% 55.09 US$30,575
2024-08-22 2024-08-21 S Sale
3.2
Krummel Thomas M
Non-Executive Director
555 -2.4%
54.33
US$30,153 		555 -2.4% 54.33 US$30,153
2024-08-08 2024-08-07 S Sale
3.2
Krummel Thomas M
Non-Executive Director
555 -2.4%
52.91
US$29,364 		555 -2.4% 52.91 US$29,364
2024-08-07 2024-08-07 PrS Proposed sale
3.2
Krummel Thomas M

Director

Non-Executive Director
1,665
50.97
US$84,864 		1,665 50.97 US$84,864
2024-07-17 2024-07-17 S Sale
3.2
Krummel Thomas M
Non-Executive Director
555 -2.3%
52.99
US$29,409 		555 -2.3% 52.99 US$29,409
2024-07-11 2024-07-11 S Sale
3.2
Krummel Thomas M
Non-Executive Director
1,654 -6.4%
50.07
US$82,816 		1,654 -6.4% 50.07 US$82,816
2024-05-15 2024-05-15 S Sale
3.2
Krummel Thomas M
Non-Executive Director
555 -2.3%
53.26
US$29,557 		555 -2.3% 53.26 US$29,557
2024-05-01 2024-05-01 PrS Proposed sale
3.2
Krummel Thomas M

Director

Non-Executive Director
4,995
50.00
US$249,755 		4,995 50.00 US$249,755
2024-05-01 2024-05-01 S Sale
3.2
Krummel Thomas M
Non-Executive Director
2,220 -8.5%
50.00
US$111,000 		2,220 -8.5% 50.00 US$111,000
2024-01-04 2024-01-03 S Sale
3.2
Krummel Thomas M
Non-Executive Director
555 -2.1%
51.90
US$28,804 		555 -2.1% 51.90 US$28,804
2023-12-20 2023-12-20 S Sale
3.2
Krummel Thomas M
Non-Executive Director
555 -2.0%
53.45
US$29,665 		555 -2.0% 53.45 US$29,665
2023-12-12 2023-12-12 PrS Proposed sale
3.1
Mortensen Michelle R

Officer; Corporate Secretary

Officer
675
52.57
US$35,485 		675 52.57 US$35,485
2023-12-12 2023-12-12 S Sale
3.1
Mortensen Michelle R

Corporate Secretary

Officer
675 -7.0%
52.56
US$35,478 		675 -7.0% 52.56 US$35,478
2023-11-15 2023-11-15 S Sale
3.2
Krummel Thomas M
Non-Executive Director
555 -2.0%
51.77
US$28,731 		555 -2.0% 51.77 US$28,731
2023-11-03 2023-11-02 PrS Proposed sale
3.2
Krummel Thomas M

Director

Non-Executive Director
4,995
50.00
US$249,755 		4,995 50.00 US$249,755
2023-11-03 2023-11-02 S Sale
3.2
Krummel Thomas M
Non-Executive Director
2,220 -7.3%
50.00
US$111,000 		2,220 -7.3% 50.00 US$111,000
2023-06-14 2023-06-14 PrS Proposed sale
2.8
Luu Michael B

Officer; VP, Customer Service & IT

Officer
1,837
54.99
US$101,011 		1,837 54.99 US$101,011
2023-05-05 2023-05-05 PrS Proposed sale
3.2
Kuta Robert J

Officer; VP of Engineering

Officer
1,000
56.54
US$56,540 		1,000 56.54 US$56,540
2023-05-05 2023-05-05 S Sale
3.2
Kuta Robert J

VP, Engineering

Officer
1,000 -7.2%
56.79
US$56,790 		1,000 -7.2% 56.79 US$56,790
2022-12-19 2022-12-13 S Sale
3.2
Krummel Thomas M
Non-Executive Director
469 -1.6%
64.89
US$30,433 		469 -1.6% 64.89 US$30,433
2022-11-30 2022-11-30 S Sale
3.2
Krummel Thomas M
Non-Executive Director
1,529 -5.0%
62.92
US$96,205 		1,529 -5.0% 62.92 US$96,205
2022-11-09 2022-11-07 S Sale
2.4
Healey David B

VP, Controller

Officer
200 -1.4%
60.00
US$12,000 		200 -1.4% 60.00 US$12,000
2022-11-02 2022-11-02 S Sale
2.4
Healey David B

VP, Controller

Officer
300 -2.0%
59.78
US$17,934 		300 -2.0% 59.78 US$17,934
2022-09-22 2022-09-22 S Sale
3.1
Mortensen Michelle R

Corporate Secretary

Officer
615 -6.7%
56.74
US$34,895 		615 -6.7% 56.74 US$34,895
2022-09-12 2022-09-12 S Sale
2.4
Healey David B

VP, Controller

Officer
300 -2.0%
59.85
US$17,955 		300 -2.0% 59.85 US$17,955
2022-08-30 2022-08-30 S Sale
2.4
Healey David B

VP, Controller

Officer
300 -1.9%
60.54
US$18,162 		300 -1.9% 60.54 US$18,162
2022-08-19 2022-08-19 S Sale
3.1
Snow Lester A
Non-Executive Director
1,000 -4.8%
63.04
US$63,040 		1,000 -4.8% 63.04 US$63,040
2022-08-04 2022-08-03 S Sale
2.8
Luu Michael B

VP, Customer Service & IT

Officer
425 -2.3%
60.54
US$25,730 		425 -2.3% 60.54 US$25,730
2022-06-06 2022-06-06 S Sale
2.4
Healey David B

VP, Controller

Officer
200 -1.3%
55.12
US$11,024 		200 -1.3% 55.12 US$11,024
2022-06-06 2022-06-03 S Sale
3.2
Kuta Robert J

VP, Engineering

Officer
1,365 -10.1%
55.14
US$75,266 		1,365 -10.1% 55.14 US$75,266
2022-06-02 2022-06-02 S Sale
2.4
Healey David B

VP, Controller

Officer
300 -1.9%
55.00
US$16,500 		300 -1.9% 55.00 US$16,500
2022-05-17 2022-05-17 S Sale
2.4
Healey David B

VP, Controller

Officer
500 -3.0%
53.15
US$26,575 		500 -3.0% 53.15 US$26,575
2021-12-16 2021-12-16 S Sale
3.2
Kuta Robert J

VP, Engineering

Officer
1,200 -9.2%
71.23
US$85,476 		1,200 -9.2% 71.23 US$85,476
2021-12-16 2021-12-15 S Sale
3.1
Mortensen Michelle R

Corporate Secretary

Officer
430 -5.1%
70.75
US$30,422 		430 -5.1% 70.75 US$30,422
2021-06-15 2021-06-15 S Sale
1.1
BAYER TERRY
Non-Executive Director
1,554 -9.6%
58.47
US$90,862 		1,554 -9.6% 58.47 US$90,862
2021-06-07 2021-06-07 S Sale
2.4
Healey David B

VP, Controller

Officer
500 -3.1%
57.00
US$28,500 		500 -3.1% 57.00 US$28,500
2021-05-06 2021-05-06 S Sale
2.8
Luu Michael B

VP, Customer Service & IT

Officer
407 -2.4%
57.98
US$23,598 		407 -2.4% 57.98 US$23,598
2021-05-06 2021-05-05 S Sale
1.5
Simon Gerald A

Chief Safety & Preparedness

Officer
854 -11.3%
58.73
US$50,155 		854 -11.3% 58.73 US$50,155
2021-03-16 2021-03-15 S Sale
2.6
Ouyang Elissa Y

Chief Procurement & Lead CI

Officer
500 -7.5%
53.31
US$26,657 		500 -7.5% 53.31 US$26,657
2020-12-08 2020-12-08 S Sale
2.4
Healey David B

VP, Controller

Officer
1,000 -6.8%
50.00
US$50,000 		1,000 -6.8% 50.00 US$50,000
2020-11-19 2020-11-19 S Sale
0.9
McGhee Lynne P

VP, General Counsel

Officer
577 -2.4%
50.29
US$29,017 		577 -2.4% 50.29 US$29,017
2020-11-17 2020-11-16 S Sale
2.4
Healey David B

VP, Controller

Officer
1,000 -6.3%
53.00
US$53,000 		1,000 -6.3% 53.00 US$53,000
2020-11-13 2020-11-12 S Sale
3.2
Kuta Robert J

VP, Engineering

Officer
237 -2.2%
51.24
US$12,168 		237 -2.2% 51.24 US$12,168
2019-12-11 2019-12-11 S Sale Kuta Robert J

VP, Engineering
2,150 -20.4%
51.19
US$110,068 		2,150 -20.4% 51.19 US$110,068
2019-11-19 2019-11-15 S Sale NELSON PETER C
10,000 -41.2%
49.56
US$495,626 		10,000 -41.2% 49.56 US$495,626
2019-09-04 2019-09-03 S Sale
2.9
MAGNUSON RICHARD P
20,000 -28.0%
56.73
US$1,134,520 		20,000 -28.0% 56.73 US$1,134,520
2019-08-20 2019-08-20 S Sale NELSON PETER C
10,000 -29.1%
55.54
US$555,400 		10,000 -29.1% 55.54 US$555,400
2019-08-09 2019-08-07 S Sale Healey David B

VP, Controller
1,000 -6.7%
52.26
US$52,257 		1,000 -6.7% 52.26 US$52,257
2019-06-06 2019-06-05 S Sale
2.4
Healey David B

VP, Controller
1,000 -6.2%
50.00
US$50,000 		1,000 -6.2% 50.00 US$50,000
2019-05-31 2019-05-30 S Sale
1.4
NELSON PETER C
5,177 -13.1%
49.17
US$254,532 		5,177 -13.1% 49.17 US$254,532
2019-05-31 2019-05-30 S Sale
1.4
NELSON PETER C
4,823 -10.9%
49.04
US$236,496 		4,823 -10.9% 49.04 US$236,496
2019-05-30 2019-05-29 S Sale
2.8
Luu Michael B

VP, Customer Service & IT
1,000 -7.7%
49.23
US$49,230 		1,000 -7.7% 49.23 US$49,230
2019-03-14 2019-03-13 S Sale
2.6
Ouyang Elissa Y

Chief Procurement & Lead CI
1,000 -21.4%
54.03
US$54,034 		1,000 -21.4% 54.03 US$54,034
2019-03-12 2019-03-11 S Sale
3.1
Snow Lester A
1,000 -5.2%
53.69
US$53,691 		1,000 -5.2% 53.69 US$53,691
2018-11-20 2018-11-19 S Sale Healey David B

VP, Controller
1,000 -6.9%
45.18
US$45,177 		1,000 -6.9% 45.18 US$45,177
2018-09-14 2018-09-13 S Sale Healey David B

VP, Controller
1,000 -6.5%
41.76
US$41,756 		1,000 -6.5% 41.76 US$41,756
2019-02-12 2018-08-01 S Sale
1.4
NELSON PETER C
199 -0.5%
40.20
US$7,992 		199 -0.5% 40.20 US$7,992
2018-04-11 2018-04-11 B Purchase VERA GEORGE A
3 +0.0%
37.25
US$100 		3 +0.0% 37.25 US$100
2018-03-16 2018-03-15 S Sale McGhee Lynne P

VP, General Counsel
1,000 -4.7%
36.74
US$36,736 		1,000 -4.7% 36.74 US$36,736
2018-03-13 2018-03-13 B Purchase VERA GEORGE A
3 +0.0%
38.50
US$100 		3 +0.0% 38.50 US$100
2018-03-13 2018-03-12 S Sale Snow Lester A
2,000 -10.3%
38.59
US$77,180 		2,000 -10.3% 38.59 US$77,180
2018-03-08 2018-03-06 B Purchase VERA GEORGE A
869 +2.1%
35.40
US$30,763 		869 +2.1% 35.40 US$30,763
2018-02-14 2018-02-13 B Purchase VERA GEORGE A
3 +0.0%
38.00
US$100 		3 +0.0% 38.00 US$100
Explore more

More insider trading research around California Water Service Group

More insider trades in United States
Similar Utilities companies with insider activity
More Utilities companies with insider activity
More Water Utilities companies with insider activity
Insider trading in North America