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CWTNYSE

CALIFORNIA WATER SERVICE GROUP

Water Supply · DE · CIK 1035201

Provides regulated water and wastewater utility services to customers

$2.73B
Market cap
$48.91
Last close
-0.3%
1D
+8.2%
5D
648K
Volume
Price · last 39 sessions+13.6%
May 4L $42.47 · H $49.08Jun 29
180
Total filings
May 21, 2026
Last filing
12/31
Fiscal year end
8-KShareholder VoteMay 21, 20268-KReg FD DisclosureMay 20, 2026424B5424B5May 1, 20268-KCompany UpdateMay 1, 202610-Q10-QApr 30, 20268-KResults of OperationsApr 30, 20268-KCompany UpdateApr 29, 2026DEFA14ADEFA14AApr 17, 2026DEF 14ADEF 14AApr 8, 20268-KCompany UpdateMar 18, 20268-KReg FD DisclosureMar 5, 202610-K10-KFeb 27, 20268-KResults of Operations · Reg FD DisclosureFeb 25, 20268-KCompany UpdateJan 28, 20268-KCompany UpdateNov 20, 202510-Q10-QOct 30, 20258-KResults of OperationsOct 30, 20258-KCompany UpdateOct 29, 20258-KNew Debt / ObligationOct 3, 202510-Q10-QJul 31, 20258-KResults of OperationsJul 31, 20258-KCompany UpdateJul 30, 20258-KReg FD DisclosureJul 10, 20258-KShareholder VoteMay 29, 20258-KMaterial AgreementMay 15, 2025424B5424B5May 14, 2025DEFA14ADEFA14AMay 1, 202510-Q10-QMay 1, 20258-KResults of OperationsMay 1, 20258-KCompany UpdateApr 30, 2025DEF 14ADEF 14AApr 16, 202510-K10-KFeb 27, 20258-KResults of OperationsFeb 27, 20258-KCompany UpdateJan 29, 20258-KReg FD DisclosureJan 16, 202510-Q10-QOct 31, 20248-KResults of OperationsOct 31, 20248-KCompany UpdateOct 31, 20248-KNew Debt / ObligationOct 23, 20248-KExecutive ChangeAug 23, 202410-Q10-QAug 1, 20248-KResults of OperationsAug 1, 20248-KCompany UpdateJul 31, 20248-KReg FD DisclosureJul 9, 20248-KShareholder VoteJun 3, 2024DEFA14ADEFA14AMay 1, 202410-Q10-QApr 25, 20248-KResults of OperationsApr 25, 20248-KCompany UpdateApr 24, 2024DEF 14ADEF 14AApr 17, 20248-KCompany UpdateApr 9, 20248-KReg FD DisclosureMar 11, 202410-K10-KFeb 29, 20248-KResults of OperationsFeb 29, 2024SC 13GSC 13GFeb 14, 20248-KReg FD DisclosureFeb 6, 20248-KCompany UpdateJan 29, 20248-KCompany UpdateJan 26, 20248-KExecutive Change · Reg FD DisclosureJan 4, 20248-KExecutive Change · Reg FD DisclosureOct 27, 202310-Q10-QOct 26, 20238-KResults of OperationsOct 26, 20238-KCompany UpdateOct 25, 20238-KCompany UpdateOct 18, 20238-KReg FD DisclosureAug 1, 202310-Q10-QJul 27, 20238-KResults of OperationsJul 27, 20238-KCompany UpdateJul 26, 20238-KReg FD DisclosureJul 18, 20238-KExecutive ChangeJul 5, 20238-KReg FD DisclosureJul 3, 20238-KReg FD DisclosureJun 16, 20238-KExecutive Change · Shareholder VoteJun 1, 2023DEFA14ADEFA14AMay 23, 20238-KCompany UpdateMay 10, 2023DEFA14ADEFA14AMay 9, 2023DEFA14ADEFA14AMay 5, 2023DEFA14ADEFA14AMay 4, 2023DEFA14ADEFA14AMay 3, 202310-Q10-QApr 28, 2023

Insider Activity

In the 90 days to Mar 20, 2026: 3 sold $244K.

DateInsiderActionSharesPriceValue
Mar 20, 2026Mares Michael S JrVice President, OperationsSell3,892$44.00$171K
Mar 20, 2026Luu Michael BSr. VP Corp Svcs & Chief RiskSell740$44.53$33K
Dec 23, 2025Mortensen Michelle RVP, Corp Sec &Chief of StaffSell924$43.34$40K
Dec 10, 2025Lynch James PatrickSVP CFO and TreasurerBuy550$42.80$24K

Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.

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