California Water Service (CWT) director Shelly Esque granted 2,816 restricted shares

Rhea-AI Filing Summary

California Water Service Group director Shelly Marian Esque received a grant of 2,816 shares of restricted common stock on March 3, 2026. The award was granted at no cash cost under the company’s equity incentive plan and will vest 100% on the first anniversary of the grant date.

After this grant, Esque directly holds 18,331 common shares, which the footnotes state include shares previously acquired through dividend reinvestment.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Esque Shelly Marian

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,816	$0.00	--

Holdings After Transaction: Common Stock — 18,331 shares (Direct)

Footnotes (1)

1. Restricted stock granted on 3/3/2026 pursuant to the California Water Service Group equity incentive plan in a transaction exempt under Rule 16-b-3 vests with a one-year cliff vesting term, vesting 100% on the first anniversary of the grant date. Includes shares acquired through Dividend Reinvestment.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Esque Shelly Marian

(Last) (First) (Middle)

1720 NORTH FIRST STREET

(Street)

SAN JOSE CA 95112

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CALIFORNIA WATER SERVICE GROUP [ CWT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/03/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/03/2026		A		2,816(1)	A	$0.0	18,331(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Restricted stock granted on 3/3/2026 pursuant to the California Water Service Group equity incentive plan in a transaction exempt under Rule 16-b-3 vests with a one-year cliff vesting term, vesting 100% on the first anniversary of the grant date.

2. Includes shares acquired through Dividend Reinvestment.

	By: /s/ Michelle R. Mortensen For: Shelly Esque	03/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did California Water Service Group (CWT) disclose about Shelly Marian Esque’s latest equity award?

California Water Service Group reported that director Shelly Marian Esque received a grant of 2,816 restricted common shares on March 3, 2026. The shares were issued under the company’s equity incentive plan at no cash cost as a compensatory stock award.

How many California Water Service Group (CWT) shares does Shelly Marian Esque hold after this Form 4 transaction?

Following the restricted stock grant, Shelly Marian Esque directly owns 18,331 shares of California Water Service Group common stock. A footnote explains this total includes shares that were previously acquired through the company’s dividend reinvestment program.

What are the vesting terms of Shelly Marian Esque’s new restricted stock in California Water Service Group (CWT)?

The restricted stock granted to Shelly Marian Esque vests using a one-year cliff schedule, with 100% of the 2,816 shares vesting on the first anniversary of the March 3, 2026 grant date. No partial vesting occurs before that one-year mark.

Was Shelly Marian Esque’s California Water Service Group (CWT) stock grant a market purchase or a compensatory award?

The transaction was a compensatory stock award, not a market purchase. The Form 4 identifies the code as “A” for grant, award, or other acquisition, and shows a price of $0.0000 per share, reflecting no cash paid for the shares.

Under what plan was Shelly Marian Esque’s restricted stock from California Water Service Group (CWT) granted?

The restricted shares were granted under the California Water Service Group equity incentive plan. The filing notes the grant was made in a transaction exempt under Rule 16b-3, which commonly governs insider equity compensation arrangements approved by a company’s board or compensation committee.