InsiderTrades

CWT CALIFORNIA WATER SERVICE GROUP

NYSE · SEC CIK 1035201 · EDGAR

Bought, last 12 months
$23.5K
1 purchases by 1 insiders
Sold, last 12 months
$664.3K
7 sales by 5 insiders
Filings on record
542
since 2021-08-04, latest 2026-09-08 16:38
Buying vs selling by month open-market trades, last 24 months
BoughtSold

Most active insiders, 12 months

InsiderTitleBoughtSold
Krummel Thomas MDir —$346.6K
Mares Michael S JRVP, Ops —$171.2K
Snow Lester ADir —$73.5K
Mortensen Michelle RVP, Corp Sec, Chief of Staff —$40.0K
Luu Michael BSVP Corp Svcs, Chief Risk —$32.9K
Lynch James PatrickSVP CFO, Treas $23.5K—
Shimansky Gregory DaleVP, Rates, Reg Affairs ——
HAMNER KRISTAN AVP, Chief Human Resource Offcr ——
Kightlinger JeffreyDir ——
James Sophie MarwiehVP Water Qual, Envir Affairs ——

Transactions 633

Type
Reset
X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2026-09-08 16:38 2026-09-04+ CWT Scanlon Thomas A VP, Corp. Ctrl, PAO F - Tax $50.03 -60 5,690 -1% -$3,002
M 2026-09-08 16:36 2026-09-04+ CWT Peters Todd Kenneth VP, Engineering F - Tax $50.03 -81 8,259 -1.0% -$4,052
M 2026-09-08 16:34 2026-09-04+ CWT Ouyang Elissa Y VP Facilities Fleet Procure IT F - Tax $50.03 -134 14.8K -0.9% -$6,704
M 2026-09-08 16:32 2026-09-04+ CWT Mortensen Michelle R VP Corp Sect, Gov, Assurance F - Tax $50.03 -148 12.8K -1% -$7,404
M 2026-09-08 16:30 2026-09-04+ CWT Mares Michael S JR SVP Ops F - Tax $50.03 -136 8,252 -2% -$6,804
M 2026-09-08 16:28 2026-09-04+ CWT Lynch James Patrick SVP CFO, Treas F - Tax $50.03 -98 6,486 -1% -$4,903
M 2026-09-08 16:26 2026-09-04+ CWT Luu Michael B SVP Corp Svce, Chief Risk Of F - Tax $50.03 -138 23.7K -0.6% -$6,904
M 2026-09-08 16:24 2026-09-04+ CWT KROPELNICKI MARTIN A CEO, COB Pres F - Tax $50.03 -998 147.3K -0.7% -$49.9K
M 2026-09-08 16:20 2026-09-04+ CWT Jenkins Kenneth G VP Water Res Plan, Sustain F - Tax $50.03 -102 5,126 -2% -$5,103
M 2026-09-08 16:16 2026-09-04+ CWT James Sophie Marwieh VP Water Qual F - Tax $50.03 -101 8,287 -1% -$5,053
2026-09-08 16:14 2026-09-04 CWT HAMNER KRISTAN A VP, Chief Human Resource Offcr F - Tax $50.03 -42 2,979 -1% -$2,101
M 2026-09-08 16:11 2026-09-04+ CWT Dean Shannon C SVP, Cust Svc, Chief Sust Of F - Tax $50.03 -147 23.6K -0.6% -$7,354
M 2026-09-08 16:08 2026-09-04+ CWT Bunting Shawn C SVP, CLO, BD F - Tax $50.03 -140 4,574 -3% -$7,004
2026-09-01 17:07 2026-09-01 CWT Snow Lester A Dir S - Sale $50.21 -500 17.8K -3% -$25.1K
2026-08-14 17:13 2026-08-13 CWT Krummel Thomas M Dir S - Sale $50.37 -3,700 20.1K -16% -$186.4K
2026-08-05 15:17 2026-08-04 CWT Shimansky Gregory Dale VP, Rates, Reg Affairs A - Grant $0.00 +446 1,311 +52% $0
M 2026-06-08 17:49 2026-06-04+ CWT Scanlon Thomas A VP, Corp. Ctrl, PAO F - Tax $45.53 -60 5,723 -1% -$2,732
M 2026-06-08 17:46 2026-06-04+ CWT Peters Todd Kenneth VP, Engineering F - Tax $45.53 -80 8,340 -1.0% -$3,642
M 2026-06-08 17:43 2026-06-04+ CWT Ouyang Elissa Y VP Facilities Fleet Procure IT F - Tax $45.53 -133 14.9K -0.9% -$6,055
M 2026-06-08 17:40 2026-06-04+ CWT Mortensen Michelle R VP Corp Sect, Gov, Assurance F - Tax $45.53 -147 13.0K -1% -$6,693
M 2026-06-08 17:38 2026-06-04+ CWT Milleman Greg A VP Rates, Regulatory Affairs F - Tax $45.53 -133 13.7K -1.0% -$6,055
M 2026-06-08 17:36 2026-06-04+ CWT Mares Michael S JR SVP Ops F - Tax $45.53 -137 8,388 -2% -$6,237
M 2026-06-08 17:33 2026-06-04+ CWT Lynch James Patrick SVP CFO, Treas F - Tax $45.53 -98 6,583 -1% -$4,462
M 2026-06-08 17:31 2026-06-04+ CWT Luu Michael B SVP Corp Svce, Chief Risk Of F - Tax $45.53 -139 23.8K -0.6% -$6,328
M 2026-06-08 17:29 2026-06-04+ CWT KROPELNICKI MARTIN A CEO, COB Pres F - Tax $45.53 -997 148.3K -0.7% -$45.4K
M 2026-06-08 17:27 2026-06-04+ CWT Jenkins Kenneth G VP Water Res Plan, Sustain F - Tax $45.46 -101 5,228 -2% -$4,591
M 2026-06-08 17:23 2026-06-04+ CWT James Sophie Marwieh VP Water Qual F - Tax $45.53 -101 8,321 -1% -$4,598
2026-06-08 17:20 2026-06-04 CWT HAMNER KRISTAN A VP, Chief Human Resource Offcr F - Tax $45.24 -41 3,004 -1% -$1,855
M 2026-06-08 17:19 2026-06-04+ CWT Dean Shannon C SVP, Cust Svc, Chief Sust F - Tax $45.53 -147 23.7K -0.6% -$6,693
M 2026-06-08 17:16 2026-06-04+ CWT Bunting Shawn C SVP, GC, Business Dev F - Tax $45.53 -139 4,714 -3% -$6,328
2026-05-27 19:58 2026-05-27 CWT Snow Lester A Dir S - Sale $44.00 -1,100 18.3K -6% -$48.4K
2026-05-21 18:23 2026-05-21 CWT Krummel Thomas M Dir S - Sale $43.30 -3,700 23.8K -13% -$160.2K
2026-03-24 2026-03-20 CWT Mares Michael S JR VP, Ops S - Sale $44.00 -3,892 8,525 -31% -$171.2K
2026-03-24 2026-03-20 CWT Luu Michael B SVP Corp Svcs, Chief Risk S - Sale $44.53 -739.85 23.7K -3% -$32.9K
2026-03-09 2026-03-05 CWT Lynch James Patrick SVP CFO, Treas F - Tax $45.78 -56 6,206 -0.9% -$2,564
M 2026-03-09 2026-03-05+ CWT Mortensen Michelle R VP Corp Sect, Chief of Staff F - Tax $45.61 -677 13.2K -5% -$30.9K
2026-03-09 2026-03-07 CWT Mortensen Michelle R VP Corp Sect, Chief of Staff A - Grant $0.00 +900 13.7K +7% $0
M 2026-03-09 2026-03-05+ CWT Peters Todd Kenneth VP, Engineering F - Tax $45.61 -374 8,454 -4% -$17.1K
2026-03-09 2026-03-07 CWT Peters Todd Kenneth VP, Engineering A - Grant $0.00 +548 8,750 +7% $0
M 2026-03-09 2026-03-05+ CWT Luu Michael B SVP Corp Svce, Chief Risk Of F - Tax $45.61 -754 24.0K -3% -$34.4K
M 2026-03-09 2026-03-07 CWT Luu Michael B SVP Corp Svce, Chief Risk Of A - Grant $0.00 +1,105 24.6K +5% $0
M 2026-03-09 2026-03-05+ CWT Dean Shannon C SVP, Cust Svc, Chief Sust F - Tax $45.61 -673 23.5K -3% -$30.7K
2026-03-09 2026-03-07 CWT Dean Shannon C SVP, Cust Svc, Chief Sust A - Grant $0.00 +900 24.4K +4% $0
2026-03-09 2026-03-07 CWT Mares Michael S JR SVP Ops A - Grant $0.00 +900 13.0K +7% $0
M 2026-03-09 2026-03-05+ CWT Mares Michael S JR SVP Ops F - Tax $45.61 -628 12.5K -5% -$28.6K
M 2026-03-09 2026-03-05+ CWT Bunting Shawn C SVP, GC, Business Dev F - Tax $45.62 -547 4,574 -11% -$25.0K
2026-03-09 2026-03-07 CWT Bunting Shawn C SVP, GC, Business Dev A - Grant $0.00 +750 5,324 +16% $0
2026-03-09 2026-03-07 CWT KROPELNICKI MARTIN A CEO, COB Pres A - Grant $0.00 +6,507 153.0K +4% $0
M 2026-03-09 2026-03-05+ CWT KROPELNICKI MARTIN A CEO, COB Pres F - Tax $45.61 -4,695 149.2K -3% -$214.1K
M 2026-03-09 2026-03-05+ CWT Scanlon Thomas A VP, CAO, Corp. Ctrl F - Tax $45.61 -286 5,783 -5% -$13.0K
2026-03-09 2026-03-07 CWT Scanlon Thomas A VP, CAO, Corp. Ctrl A - Grant $0.00 +548 6,035 +10% $0
M 2026-03-09 2026-03-05+ CWT Ouyang Elissa Y VP Facilities Fleet, Procure F - Tax $45.61 -619 14.7K -4% -$28.2K
2026-03-09 2026-03-07 CWT Ouyang Elissa Y VP Facilities Fleet, Procure A - Grant $0.00 +900 15.6K +6% $0
M 2026-03-09 2026-03-05+ CWT James Sophie Marwieh VP Water Qual, Envir Affairs F - Tax $45.62 -316 8,327 -4% -$14.4K
2026-03-09 2026-03-07 CWT James Sophie Marwieh VP Water Qual, Envir Affairs A - Grant $0.00 +548 8,586 +7% $0
M 2026-03-09 2026-03-05+ CWT Milleman Greg A VP Rates, Regulatory Affairs F - Tax $45.61 -616 13.4K -4% -$28.1K
2026-03-09 2026-03-07 CWT Milleman Greg A VP Rates, Regulatory Affairs A - Grant $0.00 +900 13.9K +7% $0
2026-03-09 2026-03-07 CWT Jenkins Kenneth G VP Water Res Plan, Sustain A - Grant $0.00 +548 5,643 +11% $0
M 2026-03-09 2026-03-05+ CWT Jenkins Kenneth G VP Water Res Plan, Sustain F - Tax $45.61 -356 5,362 -6% -$16.2K
2026-03-05 2026-03-03 CWT Krummel Thomas M Dir A - Grant $0.00 +2,816 27.5K +11% $0
2026-03-05 2026-03-03 CWT Pottenger Carol M Dir A - Grant $0.00 +2,816 19.2K +17% $0
2026-03-05 2026-03-04 CWT Scanlon Thomas A Corp. Ctrl, PAO F - Tax $46.99 -137 5,521 -2% -$6,438
2026-03-05 2026-03-03 CWT Scanlon Thomas A Corp. Ctrl, PAO A - Grant $0.00 +1,650 5,658 +41% $0
2026-03-05 2026-03-03 CWT Luu Michael B SVP Corp Svce, Chief Risk Of A - Grant $0.00 +1,650 24.4K +7% $0
2026-03-05 2026-03-04 CWT Luu Michael B SVP Corp Svce, Chief Risk Of F - Tax $46.99 -309 24.0K -1% -$14.5K
2026-03-05 2026-03-04 CWT Mares Michael S JR SVP Ops F - Tax $46.99 -303 12.1K -2% -$14.2K
2026-03-05 2026-03-03 CWT Mares Michael S JR SVP Ops A - Grant $0.00 +1,650 12.4K +15% $0
2026-03-05 2026-03-03 CWT Patton Charles R. Dir A - Grant $0.00 +2,816 9,062 +45% $0
2026-03-05 2026-03-04 CWT Milleman Greg A VP Rates, Regulatory Affairs F - Tax $46.99 -298 13.1K -2% -$14.0K
2026-03-05 2026-03-03 CWT Milleman Greg A VP Rates, Regulatory Affairs A - Grant $0.00 +1,650 13.4K +14% $0
2026-03-05 2026-03-03 CWT Kightlinger Jeffrey Dir A - Grant $0.00 +2,816 8,355 +51% $0
2026-03-05 2026-03-03 CWT Peters Todd Kenneth VP, Engineering A - Grant $0.00 +1,650 8,425 +24% $0
2026-03-05 2026-03-04 CWT Peters Todd Kenneth VP, Engineering F - Tax $46.99 -179 8,246 -2% -$8,411
2026-03-05 2026-03-04 CWT Bunting Shawn C SVP, GC, Business Dev F - Tax $46.99 -310 4,650 -6% -$14.6K
2026-03-05 2026-03-03 CWT Bunting Shawn C SVP, GC, Business Dev A - Grant $0.00 +1,650 4,960 +50% $0
2026-03-05 2026-03-03 CWT Dean Shannon C SVP, Cust Svc, Chief Sust A - Grant $0.00 +1,650 23.9K +7% $0
2026-03-05 2026-03-04 CWT Dean Shannon C SVP, Cust Svc, Chief Sust F - Tax $46.99 -325 23.6K -1% -$15.3K
2026-03-05 2026-03-03 CWT Aliff Gregory E Dir A - Grant $0.00 +2,816 26.4K +12% $0
2026-03-05 2026-03-03 CWT Maldonado Yvonne Aida Dir A - Grant $0.00 +2,816 12.6K +29% $0
2026-03-05 2026-03-03 CWT MORRIS SCOTT L Dir A - Grant $0.00 +2,816 15.2K +23% $0
2026-03-05 2026-03-03 CWT Lynch James Patrick SVP CFO, Treas A - Grant $0.00 +1,650 6,488 +34% $0
2026-03-05 2026-03-04 CWT Lynch James Patrick SVP CFO, Treas F - Tax $46.99 -226 6,262 -3% -$10.6K
2026-03-05 2026-03-04 CWT Jenkins Kenneth G VP Water Res Plan, Sustain F - Tax $46.99 -283 5,137 -5% -$13.3K
2026-03-05 2026-03-03 CWT Jenkins Kenneth G VP Water Res Plan, Sustain A - Grant $0.00 +1,650 5,420 +44% $0
2026-03-05 2026-03-03 CWT HAMNER KRISTAN A VP, Chief Human Resource Offcr A - Grant $0.00 +1,650 3,133 +111% $0
2026-03-05 2026-03-04 CWT HAMNER KRISTAN A VP, Chief Human Resource Offcr F - Tax $46.99 -190 2,943 -6% -$8,928
2026-03-05 2026-03-03 CWT Wagner Patricia K Dir A - Grant $0.00 +2,816 15.2K +23% $0
2026-03-05 2026-03-04 CWT James Sophie Marwieh VP Water Qual, Envir Affairs F - Tax $46.99 -233 8,095 -3% -$10.9K
2026-03-05 2026-03-03 CWT James Sophie Marwieh VP Water Qual, Envir Affairs A - Grant $0.00 +1,650 8,328 +25% $0
2026-03-05 2026-03-04 CWT KROPELNICKI MARTIN A CEO, COB Pres F - Tax $46.99 -2,017 147.0K -1% -$94.8K
2026-03-05 2026-03-03 CWT KROPELNICKI MARTIN A CEO, COB Pres A - Grant $0.00 +10.3K 149.0K +7% $0
2026-03-05 2026-03-03 CWT Esque Shelly Marian Dir A - Grant $0.00 +2,816 18.3K +18% $0
2026-03-05 2026-03-03 CWT Snow Lester A Dir A - Grant $0.00 +2,816 19.4K +17% $0
2026-03-05 2026-03-03 CWT Ouyang Elissa Y VP Facilities Fleet, Procure A - Grant $0.00 +1,650 15.1K +12% $0
2026-03-05 2026-03-04 CWT Ouyang Elissa Y VP Facilities Fleet, Procure F - Tax $46.99 -299 14.8K -2% -$14.1K
2026-03-05 2026-03-03 CWT Mortensen Michelle R VP Corp Sect, Chief of Staff A - Grant $0.00 +1,650 13.2K +14% $0
2026-03-05 2026-03-04 CWT Mortensen Michelle R VP Corp Sect, Chief of Staff F - Tax $46.99 -327 12.9K -2% -$15.4K
2025-12-23 2025-12-23 CWT Mortensen Michelle R VP, Corp Sec, Chief of Staff S - Sale $43.34 -924 11.5K -7% -$40.0K
2025-12-11 2025-12-10 CWT Lynch James Patrick SVP CFO, Treas P - Purchase $42.80 +550 4,619 +14% +$23.5K
M 2025-12-09 2025-12-05+ CWT Jenkins Kenneth G VP Water Res Plan, Sustain F - Tax $44.88 -67 3,756 -2% -$3,007

Purchase Sale Sale after option exercise All abbreviations