InsiderClue
← All stocks

CALIFORNIA WATER SERVICE GROUP

CWT Net selling
CIK 0001035201 #1730 in the set updated 18 Sep 2026
Bought (120 mo)
$56.20K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$5.98M
$541.07K on a plan · $0.00 straight out of an exercise
Sold at will
$5.44M
60 of 71 sales
Net
−$5.92M
−$5.38M against sales at will

By person

41 insiders · 92 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
NELSON PETER C
Director
—
$1.55M (5)
−$1.55M
20,420
$1.03M
−51.5%
MAGNUSON RICHARD P
Director
—
$1.13M (1)
−$1.13M
63,059
$3.17M
−8.4%
Krummel Thomas M
Director
—
$1.01M (15) scheduled
−$1.01M
20,104
$1.01M
+14.4%
Healey David B
VP, CEO and Treasurer
—
$560.60K (18)
−$560.60K
2,381
$119.54K
−45.8%
Snow Lester A
Director
—
$367.68K (7)
−$367.68K
17,817
$894.59K
+315.5%
Kuta Robert J
VP, Engineering
—
$339.77K (5)
−$339.77K
12,805
$642.96K
+44.3%
Luu Michael B
SVP Corp Svce & Chief Risk Of
—
$264.96K (6)
−$264.96K
23,744
$1.19M
+81.6%
McGhee Lynne P
VP, General Counsel
—
$213.72K (5)
−$213.72K
26,981
$1.35M
+17.3%
Mares Michael S JR
SVP Operations
—
$171.25K (1)
−$171.25K
8,252
$414.33K
+477.9%
Mortensen Michelle R
VP Corp Sect, Gov & Assurance
—
$140.84K (4)
−$140.84K
12,807
$643.02K
+236.3%
BAYER TERRY
Director
—
$90.86K (1)
−$90.86K
16,257
$816.26K
+126.7%
Ouyang Elissa Y
VP Facilities Fleet Procure IT
—
$80.69K (2)
−$80.69K
14,805
$743.38K
+271.8%
Simon Gerald A
Chief Safety & Preparedness
—
$50.16K (1)
−$50.16K
6,620
$332.41K
+54.4%
VERA GEORGE A
Director
$32.66K (20)
—
+$32.66K
41,514
$2.08M
+7.7%
Lynch James Patrick
SVP CFO and Treasurer
$23.54K (1)
—
+$23.54K
6,486
$325.64K
+2,574%
KROPELNICKI MARTIN A
Chairman President & CEO
—
—
—
147,287
$7.40M
—
Smegal Thomas F III
VP, CFO & Treasurer
—
—
—
89,357
$4.49M
+15.6%
FERRARO FRANCIS S
Retired Officer
—
—
—
38,781
$1.95M
−0.4%
GUILES EDWIN A
Director
—
—
—
33,710
$1.69M
+20.3%
Townsley Paul G.
VP, Rates & Reg Matters
—
—
—
31,540
$1.58M
+59.1%
Rossi Michael J
Retired Vice President
—
—
—
31,039
$1.56M
−0.5%
HILL BONNIE GUITON
Director
—
—
—
27,813
$1.40M
+3.1%
Webb Ronald D
VP, Human Resources
—
—
—
26,580
$1.33M
+206.5%
Aliff Gregory E
Director
—
—
—
26,395
$1.33M
+686.4%
Dean Shannon C
SVP, Cust Svc & Chief Sust Of
—
—
—
23,613
$1.19M
+169.7%
Pottenger Carol M
Director
—
—
—
19,187
$963.37K
—
Esque Shelly Marian
Director
—
—
—
18,331
$920.40K
—
Wagner Patricia K
Director
—
—
—
15,214
$763.88K
—
MORRIS SCOTT L
Director
—
—
—
15,209
$763.66K
—
Treloar Timothy D
VP, Ops and Water Quality
—
—
—
14,907
$748.49K
+11.7%
Milleman Greg A
VP Rates & Regulatory Affairs
—
—
—
13,708
$688.29K
+200.8%
Maldonado Yvonne Aida
Director
—
—
—
12,635
$634.39K
—
Patton Charles R.
Director
—
—
—
9,062
$455.02K
—
Jenkins Kenneth G
VP Water Res Plan & Sustain
—
—
—
9,016
$452.69K
+52.2%
Kightlinger Jeffrey
Director
—
—
—
8,355
$419.49K
—
James Sophie Marwieh
VP Water Qual
—
—
—
8,287
$416.11K
+289.2%
Peters Todd Kenneth
Vice President, Engineering
—
—
—
8,259
$414.68K
+21.9%
Scanlon Thomas A
VP, Corporate Controller & PAO
—
—
—
5,690
$285.71K
+586.2%
Bunting Shawn C
SVP, Chief Legal Officer & BD
—
—
—
4,574
$229.65K
—
HAMNER KRISTAN A
VP, Chief Human Resource Offcr
—
—
—
2,979
$149.59K
+1,229%
Shimansky Gregory Dale
VP, Rates & Reg Affairs
—
—
—
1,311
$65.83K
+51.6%

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Individual transactions

92
Insider
Date
Role
Action
Shares
Price
Amount
Snow Lester A
1 Sep 2026
Director
Sell
500
$50.21
$25.11K
Krummel Thomas M
13 Aug 2026
Director
Sell
3,700
$50.37
$186.35K
Snow Lester A
27 May 2026
Director
Sell
1,100
$44.00
$48.40K
Krummel Thomas M
21 May 2026
Director
Sell
3,700
$43.30
$160.21K
Mares Michael S JR
20 Mar 2026
Vice President, Operations
Sell
3,892
$44.00
$171.25K
Luu Michael B
20 Mar 2026
Sr. VP Corp Svcs & Chief Risk
Sell
740
$44.53
$32.95K
Mortensen Michelle R
23 Dec 2025
VP, Corp Sec &Chief of Staff
Sell
924
$43.34
$40.05K
Lynch James Patrick
10 Dec 2025
SVP CFO and Treasurer
Buy
550
$42.80
$23.54K
Snow Lester A
12 Jun 2025
Director
Sell
1,200
$46.51
$55.81K
Luu Michael B
22 Nov 2024
Sr. VP Corp Svcs & Chief Risk
Sell
985
$51.50
$50.73K
Krummel Thomas M
4 Sep 2024
Director
Sold on a plan
555
$55.09
$30.57K
Krummel Thomas M
21 Aug 2024
Director
Sold on a plan
555
$54.33
$30.15K
Krummel Thomas M
7 Aug 2024
Director
Sold on a plan
555
$52.91
$29.36K
Krummel Thomas M
17 Jul 2024
Director
Sold on a plan
555
$52.99
$29.41K
Krummel Thomas M
11 Jul 2024
Director
Sold on a plan
1,654
$50.07
$82.82K
Krummel Thomas M
15 May 2024
Director
Sold on a plan
555
$53.26
$29.56K
Krummel Thomas M
1 May 2024
Director
Sold on a plan
2,220
$50.00
$111.00K
Krummel Thomas M
3 Jan 2024
Director
Sold on a plan
555
$51.90
$28.80K
Krummel Thomas M
20 Dec 2023
Director
Sold on a plan
555
$53.45
$29.66K
Mortensen Michelle R
12 Dec 2023
Corporate Secretary
Sell
675
$52.56
$35.48K
Krummel Thomas M
15 Nov 2023
Director
Sold on a plan
555
$51.77
$28.73K
Krummel Thomas M
2 Nov 2023
Director
Sold on a plan
2,220
$50.00
$111.00K
Kuta Robert J
5 May 2023
VP, Engineering
Sell
1,000
$56.79
$56.79K
Krummel Thomas M
13 Dec 2022
Director
Sell
469
$64.89
$30.43K
Krummel Thomas M
30 Nov 2022
Director
Sell
1,529
$62.92
$96.20K
Healey David B
7 Nov 2022
VP, Controller
Sell
200
$60.00
$12.00K
Healey David B
2 Nov 2022
VP, Controller
Sell
300
$59.78
$17.93K
Mortensen Michelle R
22 Sep 2022
Corporate Secretary
Sell
615
$56.74
$34.90K
Healey David B
12 Sep 2022
VP, Controller
Sell
300
$59.85
$17.96K
Healey David B
30 Aug 2022
VP, Controller
Sell
300
$60.54
$18.16K
Snow Lester A
19 Aug 2022
Director
Sell
1,000
$63.04
$63.04K
Luu Michael B
3 Aug 2022
VP, Customer Service & IT
Sell
425
$60.54
$25.73K
Healey David B
6 Jun 2022
VP, Controller
Sell
200
$55.12
$11.02K
Kuta Robert J
3 Jun 2022
VP, Engineering
Sell
1,365
$55.14
$75.27K
Healey David B
2 Jun 2022
VP, Controller
Sell
300
$55.00
$16.50K
Healey David B
17 May 2022
VP, Controller
Sell
500
$53.15
$26.58K
Kuta Robert J
16 Dec 2021
VP, Engineering
Sell
1,200
$71.23
$85.48K
Mortensen Michelle R
15 Dec 2021
Corporate Secretary
Sell
430
$70.75
$30.42K
Healey David B
2 Sep 2021
VP, Controller
Sell
250
$65.12
$16.28K
Snow Lester A
12 Aug 2021
Director
Sell
700
$63.50
$44.45K
Healey David B
4 Aug 2021
VP, Controller
Sell
500
$63.77
$31.89K
McGhee Lynne P
4 Aug 2021
VP, General Counsel
Sell
746
$64.00
$47.74K
BAYER TERRY
15 Jun 2021
Director
Sell
1,554
$58.47
$90.86K
Healey David B
7 Jun 2021
VP, Controller
Sell
500
$57.00
$28.50K
Luu Michael B
6 May 2021
VP, Customer Service & IT
Sell
407
$57.98
$23.60K
Simon Gerald A
5 May 2021
Chief Safety & Preparedness
Sell
854
$58.73
$50.16K
Ouyang Elissa Y
15 Mar 2021
Chief Procurement & Lead CI
Sell
500
$53.31
$26.66K
Healey David B
8 Dec 2020
VP, Controller
Sell
1,000
$50.00
$50.00K
McGhee Lynne P
19 Nov 2020
VP, General Counsel
Sell
577
$50.29
$29.02K
Healey David B
16 Nov 2020
VP, Controller
Sell
1,000
$53.00
$53.00K
Kuta Robert J
12 Nov 2020
VP, Engineering
Sell
237
$51.24
$12.17K
Kuta Robert J
11 Dec 2019
VP, Engineering
Sell
2,150
$51.19
$110.07K
NELSON PETER C
15 Nov 2019
Director
Sell
10,000
$49.56
$495.63K
MAGNUSON RICHARD P
3 Sep 2019
Director
Sell
20,000
$56.73
$1.13M
NELSON PETER C
20 Aug 2019
Director
Sell
10,000
$55.54
$555.40K
Healey David B
7 Aug 2019
VP, Controller
Sell
1,000
$52.26
$52.26K
Healey David B
5 Jun 2019
VP, Controller
Sell
1,000
$50.00
$50.00K
NELSON PETER C
30 May 2019
Director
Sell
5,177
$49.17
$254.53K
NELSON PETER C
30 May 2019
Director
Sell
4,823
$49.04
$236.50K
Luu Michael B
29 May 2019
VP, Customer Service & IT
Sell
1,000
$49.23
$49.23K
Ouyang Elissa Y
13 Mar 2019
Chief Procurement & Lead CI
Sell
1,000
$54.03
$54.03K
Snow Lester A
11 Mar 2019
Director
Sell
1,000
$53.69
$53.69K
Healey David B
19 Nov 2018
VP, Controller
Sell
1,000
$45.18
$45.18K
Healey David B
13 Sep 2018
VP, Controller
Sell
1,000
$41.76
$41.76K
NELSON PETER C
1 Aug 2018
Director
Sell
199
$40.20
$7.99K
VERA GEORGE A
11 Apr 2018
Director
Buy
3
$37.25
$100.00
McGhee Lynne P
15 Mar 2018
VP, General Counsel
Sell
1,000
$36.74
$36.74K
VERA GEORGE A
13 Mar 2018
Director
Buy
3
$38.50
$100.00
Snow Lester A
12 Mar 2018
Director
Sell
2,000
$38.59
$77.18K
VERA GEORGE A
6 Mar 2018
Director
Buy
869
$35.40
$30.76K
VERA GEORGE A
13 Feb 2018
Director
Buy
3
$38.00
$100.00
VERA GEORGE A
11 Jan 2018
Director
Buy
2
$42.85
$100.00
VERA GEORGE A
12 Dec 2017
Director
Buy
2
$42.95
$100.00
VERA GEORGE A
13 Nov 2017
Director
Buy
2
$43.40
$100.00
VERA GEORGE A
11 Oct 2017
Director
Buy
2
$41.75
$99.99
McGhee Lynne P
12 Sep 2017
VP, General Counsel
Sell
1,079
$36.94
$39.86K
VERA GEORGE A
11 Sep 2017
Director
Buy
3
$38.15
$99.99
McGhee Lynne P
8 Sep 2017
VP, General Counsel
Sell
1,605
$37.61
$60.36K
VERA GEORGE A
11 Aug 2017
Director
Buy
3
$37.45
$99.99
VERA GEORGE A
11 Jul 2017
Director
Buy
3
$36.79
$100.00
VERA GEORGE A
12 Jun 2017
Director
Buy
3
$37.45
$99.99
Healey David B
8 Jun 2017
VP, Controller
Sell
1,000
$35.90
$35.90K
VERA GEORGE A
11 May 2017
Director
Buy
3
$34.00
$99.72
Healey David B
2 May 2017
VP, Controller
Sell
1,000
$35.70
$35.70K
VERA GEORGE A
11 Apr 2017
Director
Buy
3
$36.35
$100.00
Luu Michael B
16 Mar 2017
VP, Customer Service & IT
Sell
2,400
$34.47
$82.73K
VERA GEORGE A
13 Mar 2017
Director
Buy
3
$34.70
$100.01
VERA GEORGE A
13 Feb 2017
Director
Buy
3
$34.70
$100.01
VERA GEORGE A
11 Jan 2017
Director
Buy
3
$33.25
$100.02
VERA GEORGE A
12 Dec 2016
Director
Buy
3
$34.60
$99.99
VERA GEORGE A
11 Nov 2016
Director
Buy
3
$31.85
$100.01
VERA GEORGE A
11 Oct 2016
Director
Buy
3
$31.75
$100.01

What was left out

Form 4 filings counted 1,216
Amendments (4/A) skipped 27
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 11
Sales straight out of an exercise 0
Sales at will 60
Transactions with no price 0
Shares from compensation/vesting 1,378,377
Sales filed before the plan box existed 49
History held since 6 Sep 2016