CWT executive granted shares, stock withheld for tax

California Water Service Group executive reports equity award and tax withholding transactions.

Rhea-AI Filing Summary

California Water Service Group executive reports equity award and tax withholding transactions. Senior vice president Dean Shannon C received a grant of 900 shares of common stock on March 7, 2026 at a stated price of $0.00 per share as a grant or award acquisition. On the same date, 531 and 62 shares of common stock at $45.59 per share were withheld and surrendered to satisfy tax obligations from vested restricted and performance stock awards. An additional 80 shares at $45.78 per share were previously withheld for taxes on March 5, 2026. After these transactions, the executive directly owned 23,816.266 common shares.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Dean Shannon C

Role SR. VP, Cust Svc & Chief Sust

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	900	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	531	$45.59	$24K
Exercise Price or Tax Liability	Common Stock	62	$45.59	$3K
Exercise Price or Tax Liability	Common Stock	80	$45.78	$4K

Holdings After Transaction: Common Stock — 23,816.266 shares (Direct)

Footnotes (3)

1. F1. Represents the number of shares withheld by and surrendered to the Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of the Restricted Stock Award (RSA)
2. F2. The reporting person was granted a Performance Stock Unit (PSU) award on 3/7/2023. The PSU vested in full based on the satisfaction of certain performance criteria approved by the Board of Directors. The performance criteria was met resulting in 46% payout of the original goal
3. F3. Represents the number of shares withheld by and surrendered to the Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of a Performance Stock Unit (PSU) Award.

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 receiving a grant of 900 shares of California Water Service Group common stock and several share dispositions related to tax withholding. These included 531, 62, and 80 shares withheld and surrendered to the issuer to cover tax obligations from vesting equity awards.

How many CWT shares were granted to the executive in the latest award?

The executive received a grant of 900 shares of California Water Service Group common stock on March 7, 2026. The transaction was reported at a stated price of $0.00 per share, reflecting a grant or award acquisition rather than an open-market purchase.

Why were CWT shares disposed of in the Form 4 for Dean Shannon?

The reported share dispositions reflect tax withholding, not open-market sales. A total of 531, 62, and 80 shares were withheld and surrendered to California Water Service Group to satisfy tax obligations arising from vesting restricted stock and performance stock unit awards.

What is Dean Shannon’s CWT share ownership after these transactions?

After the reported grant and tax withholding transactions, Dean Shannon directly owned 23,816.266 shares of California Water Service Group common stock. This figure reflects the net position following the award of 900 shares and the surrender of shares for tax obligations.

What role does Dean Shannon hold at California Water Service Group (CWT)?

Dean Shannon is a senior officer at California Water Service Group, serving as Senior Vice President, Customer Service and Chief Sustainability Officer. The reported Form 4 transactions relate to equity compensation and associated tax withholding tied to this executive role.

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

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Accepted by SEC EDGAR 03/09/2026 - 06:04 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)
03/05/2026

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	03/05/2026		F		80(1)	D	$45.78	23,509.266	D
Common Stock	03/07/2026		A		900(2)	A	$0.0	24,409.266	D
Common Stock	03/07/2026		F		531(3)	D	$45.59	23,878.266	D
Common Stock	03/07/2026		F		62(1)	D	$45.59	23,816.266	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. Represents the number of shares withheld by and surrendered to the Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of the Restricted Stock Award (RSA)

2. The reporting person was granted a Performance Stock Unit (PSU) award on 3/7/2023. The PSU vested in full based on the satisfaction of certain performance criteria approved by the Board of Directors. The performance criteria was met resulting in 46% payout of the original goal

3. Represents the number of shares withheld by and surrendered to the Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of a Performance Stock Unit (PSU) Award.

	By: /s/ Michelle R. Mortensen For: Shannon C Dean	03/09/2026
	** 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.