CWT exec granted 1,650 shares, 325 withheld for taxes

California Water Service Group senior vice president Dean Shannon C reported two stock transactions.

Rhea-AI Filing Summary

California Water Service Group senior vice president Dean Shannon C reported two stock transactions. On March 3, 2026, he acquired 1,650 shares of restricted common stock at $0.00 per share as an equity award, increasing his direct holdings to 23,914.266 shares. On March 4, 2026, 325 shares were withheld at $46.99 per share to cover tax obligations from a prior restricted stock vesting, leaving 23,589.266 shares held directly. The new award vests one-third on March 3, 2027, with the remaining two-thirds vesting quarterly over the following 24 months.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Dean Shannon C

Role SR. VP, Cust Svc & Chief Sust

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	325	$46.99	$15K
Grant/Award	Common Stock	1,650	$0.00	$0.00

Holdings After Transaction: Common Stock — 23,589.266 shares (Direct)

Footnotes (3)

1. F1. 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 one-third on March 3, 2027, and with the remaining 2/3 vesting quarterly over the succeeding 24 months.
2. F2. Includes shares acquired through Dividend Reinvestment and Employee Stock Purchase Plan
3. F3. Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award granted on March 4,2025

FAQ

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

What insider transactions did CWT executive Dean Shannon report on this Form 4?

Dean Shannon reported one stock award and one tax withholding transaction. He received 1,650 restricted shares on March 3, 2026, then had 325 shares withheld on March 4, 2026 to satisfy tax obligations from an earlier restricted stock vesting.

How many California Water Service Group (CWT) shares did Dean Shannon acquire?

He acquired 1,650 shares of restricted common stock as an equity award. The grant was made at $0.00 per share under the company’s equity incentive plan, increasing his direct ownership before tax withholding to 23,914.266 common shares.

Why were 325 CWT shares withheld from Dean Shannon’s holdings?

325 shares were withheld and surrendered to the issuer to cover tax withholding obligations. These obligations arose from the vesting of a restricted stock award granted on March 4, 2025, and the shares were valued at $46.99 per share for this purpose.

What is the vesting schedule for Dean Shannon’s 1,650 restricted CWT shares?

The 1,650 restricted shares vest over three years. One-third vests on March 3, 2027, and the remaining two-thirds vest in equal quarterly installments over the next 24 months, subject to the terms of the equity incentive plan.

How many CWT shares does Dean Shannon hold after these transactions?

After the March 4, 2026 tax withholding, Dean Shannon directly holds 23,589.266 common shares. This total includes shares obtained through the Dividend Reinvestment Plan and the Employee Stock Purchase Plan, as noted in the filing footnotes.

What types of transactions are reflected by codes A and F in this CWT Form 4?

Code A reflects a grant or award acquisition of stock, in this case 1,650 restricted shares. Code F reflects shares withheld and surrendered to the issuer to satisfy tax liabilities related to a prior restricted stock vesting, here involving 325 common shares.

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

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Accepted by SEC EDGAR 03/05/2026 - 08:00 PM Learn about SEC filing dates

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^*

Dean Shannon C

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SR. VP, Cust Svc & Chief Sust

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		1,650(1)	A	$0.0	23,914.266(2)	D
Common Stock	03/04/2026		F		325(3)	D	$46.99	23,589.266	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 one-third on March 3, 2027, and with the remaining 2/3 vesting quarterly over the succeeding 24 months.

2. Includes shares acquired through Dividend Reinvestment and Employee Stock Purchase Plan

3. Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award granted on March 4,2025

	By: /s/ Michelle R. Mortensen For: Shannon C Dean	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.