Director Carol Pottenger awarded 2,816 CWT restricted shares in equity grant

Rhea-AI Filing Summary

California Water Service Group director Carol M. Pottenger received a grant of 2,816 shares of common stock as restricted stock. The award was granted on March 3, 2026 under the company’s equity incentive plan at a stated price of $0.00 per share, indicating a non-cash, equity-based grant. The restricted stock has a one-year cliff term, vesting 100% on the first anniversary of the grant date. Following this award, Pottenger holds a total of 19,186.8 shares of common stock directly, which includes shares previously acquired through dividend reinvestment.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Pottenger Carol M

Role Director

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

Holdings After Transaction: Common Stock — 19,186.8 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
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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^*

Pottenger Carol M

(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	19,186.8(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: C Pottenger	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 Carol M. Pottenger report in this Form 4 for CWT?

Carol M. Pottenger reported receiving a grant of 2,816 shares of California Water Service Group common stock. The shares are restricted stock awarded under the company’s equity incentive plan and increase her directly held stake to 19,186.8 shares.

What type of shares did Carol M. Pottenger acquire in California Water Service Group (CWT)?

She acquired 2,816 shares of restricted common stock in California Water Service Group. These are equity incentive plan awards, not open-market purchases, and are subject to vesting conditions before they become fully available to her.

When do Carol M. Pottenger’s newly granted CWT restricted shares vest?

The 2,816 restricted shares of California Water Service Group granted to Carol M. Pottenger vest on the first anniversary of the March 3, 2026 grant date. The award uses a one-year cliff vesting schedule, vesting 100% at that time.

Was cash paid for the 2,816 California Water Service Group shares granted to Carol M. Pottenger?

No cash was paid for these shares; the reported price per share is $0.00. The 2,816 restricted shares were granted as an equity incentive award under California Water Service Group’s equity incentive plan, not purchased in the market.

How many California Water Service Group (CWT) shares does Carol M. Pottenger hold after this grant?

After the restricted stock grant, Carol M. Pottenger directly holds 19,186.8 shares of California Water Service Group common stock. This total includes shares that were previously acquired through dividend reinvestment according to the filing footnotes.

Are dividend reinvestment shares included in Carol M. Pottenger’s reported CWT holdings?

Yes. The filing notes that her total of 19,186.8 California Water Service Group shares includes amounts acquired through dividend reinvestment. This means both awarded and reinvested dividends are reflected in her reported direct ownership.