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CIK 0001035201 · Large accelerated filer

CALIFORNIA WATER SERVICE GROUP

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Ticker
CWT
Exchange
NYSE
Industry
Water Supply
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
770448994
Phone
4083678200
Business address
1720 N FIRST ST, C/O CALIFORNIA WATER SERVICE CO, SAN JOSE, CA, 95112
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$394,692
in 4 filings

Net −$394,692. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-03-20 Luu Michael B Sr. VP Corp Svcs & Chief Risk Sale −739.85 $44.53 $33K 23,654.89
2026-03-20 Mares Michael S JR Vice President, Operations Sale −3,892 $44.00 $171K 8,524.6
2026-03-07 James Sophie Marwieh VP Water Qual & Envir Affairs Grant or award +548 8,585.71
2026-03-07 James Sophie Marwieh VP Water Qual & Envir Affairs Shares withheld for taxes −232 $45.59 $11K 8,353.71
2026-03-07 James Sophie Marwieh VP Water Qual & Envir Affairs Shares withheld for taxes −27 $45.59 $1K 8,326.71
2026-03-07 Jenkins Kenneth G VP Water Res Plan & Sustain Grant or award +548 5,643
2026-03-07 Jenkins Kenneth G VP Water Res Plan & Sustain Shares withheld for taxes −281 $45.59 $13K 5,362
2026-03-07 Jenkins Kenneth G VP Water Res Plan & Sustain Shares withheld for taxes −33 $45.59 $2K 5,329
2026-03-07 Bunting Shawn C Sr. VP, GC and Business Dev Grant or award +750 5,324
2026-03-07 Bunting Shawn C Sr. VP, GC and Business Dev Shares withheld for taxes −422 $45.59 $19K 4,902
2026-03-07 Bunting Shawn C Sr. VP, GC and Business Dev Shares withheld for taxes −49 $45.59 $2K 4,853
2026-03-07 Peters Todd Kenneth Vice President, Engineering Grant or award +548 8,750
2026-03-07 Peters Todd Kenneth Vice President, Engineering Shares withheld for taxes −296 $45.59 $13K 8,454
2026-03-07 Peters Todd Kenneth Vice President, Engineering Shares withheld for taxes −34 $45.59 $2K 8,420
2026-03-07 Scanlon Thomas A VP, Corporate Controller & CAO Grant or award +548 6,035.14
2026-03-07 Scanlon Thomas A VP, Corporate Controller & CAO Shares withheld for taxes −226 $45.59 $10K 5,809.14
2026-03-07 Scanlon Thomas A VP, Corporate Controller & CAO Shares withheld for taxes −26 $45.59 $1K 5,783.14
2026-03-07 Mares Michael S JR SVP Operations Grant or award +900 12,969.6
2026-03-07 Mares Michael S JR SVP Operations Shares withheld for taxes −495 $45.59 $23K 12,474.6
2026-03-07 Mares Michael S JR SVP Operations Shares withheld for taxes −58 $45.59 $3K 12,416.6

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