California Water Service director plans $187K sale

The notice describes the shares as restricted stock vested in 2019 and says the trade is to be placed in the Thomas and Susan Krummel family trust.

Available on EDGAR 11/06/2026 - 10:58 AM EST Accepted by SEC EDGAR 11/06/2026 - 10:57 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

California Water Service Group (CWT) director Thomas M. Krummel filed a notice to sell 3,700 common shares, with an aggregate market value of $186,998.00 and an approximate sale date of November 6, 2026. The notice lists 62,876,955 shares outstanding and identifies NYSE as the exchange. It says the shares were acquired from the issuer through restricted stock vesting on November 19, 2019, and that the trade is to be placed in the Thomas & Susan Krummel family trust. It also reports a sale of 3,700 common shares on August 13, 2026, for $186,345.94.

Key Figures

Shares listed for sale: 3,700 common shares Aggregate market value: $186,998.00 Shares outstanding: 62,876,955 shares +3 more

6 metrics

Shares listed for sale 3,700 common shares Approximate sale date November 6, 2026

Aggregate market value $186,998.00 For the shares listed for sale

Shares outstanding 62,876,955 shares Figure listed with the securities-to-be-sold information

Prior-period shares sold 3,700 common shares Reported sale on August 13, 2026

Prior-period sale value $186,345.94 Reported for the August 13, 2026 sale

Shares acquired through restricted stock vesting 3,700 shares November 19, 2019

Key Terms

Rule 144, Restricted Stock Vesting, TTEE

3 terms

Rule 144 regulatory

"definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting technical

"Restricted Stock Vesting"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

TTEE technical

"T KRUMMEL & S KRUMMEL TTEE THOMAS & SUSAN KRUMMEL"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many CWT shares does Thomas M. Krummel plan to sell?

Thomas M. Krummel's notice lists 3,700 common shares for sale, with an aggregate market value of $186,998.00. The approximate sale date is November 6, 2026, and the notice identifies NYSE as the exchange.

What CWT shares did Thomas Krummel report selling in the prior three months?

The notice reports that Thomas Krummel sold 3,700 common shares on August 13, 2026, for $186,345.94 during the prior three-month period. This is a reported past sale, separate from the 3,700 shares listed for sale.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001495768
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	CALIFORNIA WATER SERVICE GROUP
SEC File Number	001-13883
Address of Issuer	1720 N FIRST ST C/O CALIFORNIA WATER SERVICE CO SAN JOSE CALIFORNIA 95112
Phone	4083678200
Name of Person for Whose Account the Securities are To Be Sold	Krummel Thomas M
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Charles Schwab Corp 3000 SCHWAB WAY WESTLAKE TX 76262	3700	186998.00	62876955	11/06/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	11/19/2019	Restricted Stock Vesting	Issuer			3700	11/19/2019	Services Rendered

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Thomas Krummel 1720 N FIRST ST SAN JOSE CA 95112	Common	08/13/2026	3700	186345.94

144: Remarks and Signature

Remarks	trade to be placed in trust: T KRUMMEL & S KRUMMEL TTEE THOMAS & SUSAN KRUMMEL FAM TR U/A DTD 04/16/2001
Date of Notice	11/06/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Thomas Krummel
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)