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
2025-12-09 2025-12-05 CWT KROPELNICKI MARTIN A CEO, COB Pres G - Gift $0.00 -3,000 136.6K -2% $0
M 2025-12-09 2025-12-05+ CWT KROPELNICKI MARTIN A CEO, COB Pres F - Tax $44.88 -877 139.6K -0.6% -$39.4K
M 2025-12-09 2025-12-05+ CWT Mares Michael S JR SVP Ops F - Tax $44.88 -120 10.7K -1% -$5,386
2025-12-09 2025-12-07 CWT Luu Michael B SVP Corp Svce, Chief Risk Of D - Sale to Iss $44.88 -54 22.6K -0.2% -$2,424
2025-12-09 2025-12-05 CWT Luu Michael B SVP Corp Svce, Chief Risk Of F - Tax $44.88 -69 22.7K -0.3% -$3,097
M 2025-12-09 2025-12-05+ CWT Bunting Shawn C SVP, GC, Business Dev F - Tax $44.88 -114 3,304 -3% -$5,116
M 2025-12-09 2025-12-05+ CWT Mortensen Michelle R VP Corp Sect, Chief of Staff F - Tax $44.88 -130 12.4K -1% -$5,834
2025-12-09 2025-12-05 CWT Lynch James Patrick SVP CFO, Treas F - Tax $44.88 -48 4,069 -1% -$2,154
M 2025-12-09 2025-12-05+ CWT Scanlon Thomas A Corp. Ctrl, PAO F - Tax $44.88 -52 3,975 -1% -$2,334
M 2025-12-09 2025-12-05+ CWT Ouyang Elissa Y VP Facilities Fleet, Procure F - Tax $44.88 -118 13.4K -0.9% -$5,296
M 2025-12-09 2025-12-05+ CWT Milleman Greg A VP Rates, Regulatory Affairs F - Tax $44.88 -117 11.6K -1.0% -$5,251
M 2025-12-09 2025-12-05+ CWT James Sophie Marwieh VP Water Qual, Envir Affairs F - Tax $44.88 -74 6,604 -1% -$3,321
M 2025-12-09 2025-12-05+ CWT Dean Shannon C SVP, Cust Svc, Chief Sust F - Tax $44.88 -130 22.2K -0.6% -$5,834
M 2025-09-09 2025-09-05+ CWT Jenkins Kenneth G VP Water Res Plan, Sustain F - Tax $47.09 -67 3,823 -2% -$3,155
M 2025-09-09 2025-09-05+ CWT Bunting Shawn C SVP, GC, Business Dev F - Tax $47.09 -114 3,418 -3% -$5,368
M 2025-09-09 2025-09-05+ CWT Ouyang Elissa Y VP Facilities Fleet, Procure F - Tax $47.09 -118 13.5K -0.9% -$5,557
M 2025-09-09 2025-09-05+ CWT Mares Michael S JR SVP Ops F - Tax $47.09 -120 10.8K -1% -$5,651
2025-09-09 2025-09-05 CWT Lynch James Patrick SVP CFO, Treas F - Tax $47.09 -48 4,117 -1% -$2,260
M 2025-09-09 2025-09-05+ CWT Luu Michael B SVP Corp Svce, Chief Risk Of F - Tax $47.09 -123 22.6K -0.5% -$5,792
M 2025-09-09 2025-09-05+ CWT Dean Shannon C SVP, Cust Svc, Chief Sust F - Tax $47.09 -130 22.3K -0.6% -$6,122
M 2025-09-09 2025-09-05+ CWT Mortensen Michelle R VP Corp Sect, Chief of Staff F - Tax $47.09 -130 12.6K -1% -$6,122
M 2025-09-09 2025-09-05+ CWT James Sophie Marwieh VP Water Qual, Envir Affairs F - Tax $47.09 -74 6,619 -1% -$3,485
M 2025-09-09 2025-09-05+ CWT KROPELNICKI MARTIN A CEO, COB Pres F - Tax $47.09 -877 140.5K -0.6% -$41.3K
M 2025-09-09 2025-09-05+ CWT Milleman Greg A VP Rates, Regulatory Affairs F - Tax $47.09 -117 11.7K -1.0% -$5,510
M 2025-09-09 2025-09-05+ CWT Scanlon Thomas A Corp. Ctrl, PAO F - Tax $47.09 -52 4,003 -1% -$2,449
2025-06-13 2025-06-12 CWT Snow Lester A Dir S - Sale $46.51 -1,200 26.3K -4% -$55.8K
2025-06-11 2025-06-07 CWT Jenkins Kenneth G VP, Water Res. Plan, Sustain F - Tax $45.62 -29 3,890 -0.7% -$1,323
2025-06-11 2025-06-07 CWT Luu Michael B SVP Corp Svcs, Chief Risk F - Tax $45.62 -54 22.4K -0.2% -$2,463
2025-06-11 2025-06-07 CWT Mortensen Michelle R VP, Corp Sec, Chief of Staff F - Tax $45.62 -57 12.7K -0.4% -$2,600
2025-06-11 2025-06-07 CWT Scanlon Thomas A Ctrl, Principal Acctng F - Tax $45.62 -23 4,008 -0.6% -$1,049
2025-06-11 2025-06-07 CWT Dean Shannon C SVP, Cust Svc, Chief Sust F - Tax $45.62 -57 22.3K -0.3% -$2,600
2025-06-11 2025-06-07 CWT James Sophie Marwieh VP, Water Quality, Env Affairs F - Tax $45.62 -24 6,351 -0.4% -$1,095
2025-06-11 2025-06-07 CWT Ouyang Elissa Y Chief Procurement, Lead CI F - Tax $45.62 -52 13.4K -0.4% -$2,372
2025-06-11 2025-06-07 CWT Mares Michael S JR VP, Ops F - Tax $45.62 -53 10.9K -0.5% -$2,418
2025-06-11 2025-06-07 CWT KROPELNICKI MARTIN A COB, Pres, CEO F - Tax $45.62 -352 140.6K -0.2% -$16.1K
2025-06-11 2025-06-07 CWT Milleman Greg A VP, Rates, Regulatory Aff F - Tax $45.62 -51 11.3K -0.4% -$2,327
2025-06-11 2025-06-07 CWT Bunting Shawn C SVP, GC, Business Dev F - Tax $45.62 -45 3,532 -1% -$2,053
2025-06-09 2025-06-05 CWT Dean Shannon C SVP, Cust Svc, Chief Sust F - Tax $45.85 -71 22.4K -0.3% -$3,255
2025-06-09 2025-06-05 CWT Bunting Shawn C SVP, GC, Business Dev F - Tax $45.85 -67 3,577 -2% -$3,072
2025-06-09 2025-06-05 CWT James Sophie Marwieh VP, Water Quality, Env Affairs F - Tax $45.85 -48 6,375 -0.7% -$2,201
2025-06-09 2025-06-05 CWT Lynch James Patrick SVP, CFO, Treas F - Tax $45.85 -47 3,691 -1% -$2,155
2025-06-09 2025-06-05 CWT KROPELNICKI MARTIN A COB, Pres, CEO F - Tax $45.85 -438 140.9K -0.3% -$20.1K
2025-06-09 2025-06-05 CWT Mortensen Michelle R VP, Corp Sec, Chief of Staff F - Tax $45.85 -71 12.8K -0.6% -$3,255
2025-06-09 2025-06-05 CWT Scanlon Thomas A Ctrl, Principal Acctng F - Tax $45.85 -28 4,031 -0.7% -$1,284
2025-06-09 2025-06-05 CWT Jenkins Kenneth G VP, Water Res. Plan, Sustain F - Tax $45.85 -36 3,919 -0.9% -$1,651
2025-06-09 2025-06-05 CWT Luu Michael B SVP Corp Svcs, Chief Risk F - Tax $45.85 -67 22.4K -0.3% -$3,072
2025-06-09 2025-06-05 CWT Milleman Greg A VP, Rates, Regulatory Aff F - Tax $45.85 -64 11.4K -0.6% -$2,934
2025-06-09 2025-06-05 CWT Mares Michael S JR VP, Ops F - Tax $45.85 -65 11.0K -0.6% -$2,980
2025-06-09 2025-06-06 CWT Ouyang Elissa Y Chief Procurement, Lead CI F - Tax $45.85 -64 13.4K -0.5% -$2,934
2025-03-11 2025-03-07 CWT Ouyang Elissa Y Chief Procurement, Lead CI F - Tax $47.90 -56 13.5K -0.4% -$2,682
2025-03-11 2025-03-07 CWT Mortensen Michelle R VP, Corp Sec, Chief of Staff F - Tax $47.90 -63 12.8K -0.5% -$3,018
2025-03-11 2025-03-07 CWT Scanlon Thomas A Ctrl, Principal Acctng F - Tax $47.90 -26 4,059 -0.6% -$1,245
2025-03-11 2025-03-07 CWT Jenkins Kenneth G VP, Water Res. Plan, Sustain F - Tax $47.90 -33 3,955 -0.8% -$1,581
2025-03-11 2025-03-07 CWT Webb Ronald D VP, Human Resources F - Tax $47.90 -49 26.6K -0.2% -$2,347
2025-03-11 2025-03-07 CWT Bunting Shawn C SVP, GC, Business Dev F - Tax $47.90 -50 3,644 -1% -$2,395
2025-03-11 2025-03-07 CWT Dean Shannon C SVP, Cust Svc, Chief Sust F - Tax $47.90 -56 22.4K -0.2% -$2,682
2025-03-11 2025-03-07 CWT Mares Michael S JR VP, Ops F - Tax $47.90 -53 11.1K -0.5% -$2,539
2025-03-11 2025-03-07 CWT KROPELNICKI MARTIN A COB, Pres, CEO F - Tax $47.90 -332 141.4K -0.2% -$15.9K
2025-03-11 2025-03-07 CWT James Sophie Marwieh VP, Water Quality, Env Affairs F - Tax $47.90 -27 6,423 -0.4% -$1,293
2025-03-11 2025-03-07 CWT Luu Michael B SVP Corp Svcs, Chief Risk F - Tax $47.90 -54 22.5K -0.2% -$2,587
2025-03-11 2025-03-07 CWT Milleman Greg A VP, Rates, Regulatory Aff F - Tax $47.90 -56 11.5K -0.5% -$2,682
2025-03-06 2025-03-04 CWT Pottenger Carol M Dir A - Grant $0.00 +2,645 16.3K +19% $0
2025-03-06 2025-03-05 CWT Webb Ronald D VP, Human Resources F - Tax $46.65 -280 26.6K -1% -$13.1K
2025-03-06 2025-03-05 CWT Dean Shannon C SVP, Cust Svc, Chief Sust F - Tax $46.65 -314 22.5K -1% -$14.6K
2025-03-06 2025-03-04 CWT Patton Charles R. Dir A - Grant $0.00 +2,645 6,215 +74% $0
2025-03-06 2025-03-04 CWT Snow Lester A Dir A - Grant $0.00 +2,645 27.5K +11% $0
2025-03-06 2025-03-04 CWT Esque Shelly Marian Dir A - Grant $0.00 +2,645 15.4K +21% $0
2025-03-06 2025-03-05 CWT Ouyang Elissa Y Chief Procurement, Lead CI F - Tax $56.65 -292 13.4K -2% -$16.5K
2025-03-06 2025-03-05 CWT James Sophie Marwieh VP, Water Quality, Env Affairs F - Tax $46.65 -227 6,403 -3% -$10.6K
2025-03-06 2025-03-05 CWT KROPELNICKI MARTIN A COB, Pres, CEO F - Tax $46.65 -1,699 141.6K -1% -$79.3K
2025-03-06 2025-03-05 CWT Lynch James Patrick SVP, CFO, Treas F - Tax $56.65 -221 3,738 -6% -$12.5K
2025-03-06 2025-03-04 CWT Lynch James Patrick SVP, CFO, Treas A - Grant $0.00 +1,653 3,959 +72% $0
2025-03-06 2025-03-04 CWT Kightlinger Jeffrey Dir A - Grant $0.00 +2,645 5,518 +92% $0
2025-03-06 2025-03-05 CWT Mortensen Michelle R VP, Corp Sec, Chief of Staff F - Tax $46.65 -319 12.9K -2% -$14.9K
2025-03-06 2025-03-05 CWT Scanlon Thomas A Ctrl, Principal Acctng F - Tax $46.65 -134 4,071 -3% -$6,251
2025-03-06 2025-03-04 CWT Scanlon Thomas A Ctrl, Principal Acctng A - Grant $0.00 +992 4,205 +31% $0
2025-03-06 2025-03-04 CWT Wagner Patricia K Dir A - Grant $0.00 +2,645 12.3K +27% $0
2025-03-06 2025-03-05 CWT Luu Michael B SVP Corp Svcs, Chief Risk F - Tax $46.65 -270 22.5K -1% -$12.6K
2025-03-06 2025-03-05 CWT Bunting Shawn C SVP, GC, Business Dev F - Tax $46.65 -303 3,694 -8% -$14.1K
2025-03-06 2025-03-04 CWT Bunting Shawn C SVP, GC, Business Dev A - Grant $0.00 +1,653 3,997 +71% $0
2025-03-06 2025-03-05 CWT Mares Michael S JR VP, Ops F - Tax $46.65 -296 11.1K -3% -$13.8K
2025-03-06 2025-03-04 CWT MORRIS SCOTT L Dir A - Grant $0.00 +2,645 12.3K +27% $0
2025-03-06 2025-03-05 CWT Milleman Greg A VP, Rates, Regulatory Aff F - Tax $46.65 -291 11.4K -2% -$13.6K
2025-03-06 2025-03-05 CWT Jenkins Kenneth G VP, Water Res. Plan, Sustain F - Tax $46.65 -166 3,988 -4% -$7,744
2025-03-06 2025-03-04 CWT Maldonado Yvonne Aida Dir A - Grant $0.00 +2,645 9,754 +37% $0
2025-03-06 2025-03-04 CWT Aliff Gregory E Dir A - Grant $0.00 +2,645 23.1K +13% $0
2025-03-06 2025-03-04 CWT Krummel Thomas M Dir A - Grant $0.00 +2,645 24.6K +12% $0
M 2025-03-05 2025-03-03+ CWT Webb Ronald D VP, Human Resources A - Grant $0.00 +3,467 28.5K +14% $0
M 2025-03-05 2025-03-03 CWT Webb Ronald D VP, Human Resources F - Tax $45.45 -1,016 26.9K -4% -$46.2K
M 2025-03-05 2025-03-03+ CWT Dean Shannon C SVP, Cust Svc, Chief Sust A - Grant $0.00 +3,467 22.8K +18% $0
M 2025-03-05 2025-03-03 CWT Dean Shannon C SVP, Cust Svc, Chief Sust F - Tax $45.45 -1,131 21.2K -5% -$51.4K
M 2025-03-05 2025-03-03+ CWT Mares Michael S JR VP, Ops A - Grant $0.00 +3,467 11.4K +44% $0
M 2025-03-05 2025-03-03 CWT Mares Michael S JR VP, Ops F - Tax $45.45 -1,054 9,823 -10% -$47.9K
M 2025-03-05 2025-03-03+ CWT Luu Michael B SVP Corp Svcs, Chief Risk A - Grant $0.00 +3,467 22.8K +18% $0
M 2025-03-05 2025-03-03 CWT Luu Michael B SVP Corp Svcs, Chief Risk F - Tax $45.45 -1,074 21.2K -5% -$48.8K
2025-03-05 2025-03-04 CWT HAMNER KRISTEN A VP, Chief Human Resource Offcr A - Grant $0.00 +1,378 1,378 New $0
M 2025-03-05 2025-03-03 CWT Ouyang Elissa Y Chief Procurement, Lead CI F - Tax $45.45 -1,040 12.1K -8% -$47.3K
M 2025-03-05 2025-03-03+ CWT Ouyang Elissa Y Chief Procurement, Lead CI A - Grant $0.00 +3,467 13.1K +36% $0
M 2025-03-05 2025-03-03 CWT Mortensen Michelle R VP, Corp Sec, Chief of Staff F - Tax $45.45 -1,136 11.6K -9% -$51.6K
M 2025-03-05 2025-03-03+ CWT Mortensen Michelle R VP, Corp Sec, Chief of Staff A - Grant $0.00 +3,467 13.2K +36% $0

Purchase Sale Sale after option exercise All abbreviations