CWT executive equity grant and tax share disposals

California Water Service Group senior vice president and general counsel Shawn C. Bunting reported equity award activity in company common stock.

Rhea-AI Filing Summary

California Water Service Group senior vice president and general counsel Shawn C. Bunting reported equity award activity in company common stock. On March 7, 2026, he acquired 750 shares at $0.00 per share as a grant or award tied to prior performance-based and restricted stock awards.

On March 5 and March 7, a total of 547 shares were disposed of at prices around $45.59–$45.78 per share to satisfy tax withholding obligations upon vesting of restricted stock and performance stock units, rather than open-market sales. Following these transactions, he directly owned 4,574 common shares.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Bunting Shawn C

Role Sr. VP, GC and Business Dev

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	750	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	422	$45.59	$19K
Exercise Price or Tax Liability	Common Stock	49	$45.59	$2K
Exercise Price or Tax Liability	Common Stock	76	$45.78	$3K

Holdings After Transaction: Common Stock — 4,853 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 Shawn Bunting report on this Form 4?

Shawn C. Bunting reported receiving a grant of 750 shares of California Water Service Group common stock and disposing of 547 shares to cover tax withholding obligations tied to vesting equity awards, leaving him with 4,574 directly owned shares after the reported transactions.

Was the CWT insider activity a stock purchase or mainly tax withholding?

The activity was mainly tax withholding. Bunting received 750 shares as an equity grant, then 547 shares were withheld and surrendered back to California Water Service Group to satisfy tax obligations from vesting restricted stock and performance stock unit awards, not discretionary open-market sales.

How many CWT shares does Shawn Bunting own after these reported transactions?

After the reported Form 4 transactions, Shawn C. Bunting directly owns 4,574 shares of California Water Service Group common stock. This figure reflects the net amount after receiving the 750-share grant and having 547 shares withheld to satisfy related tax withholding obligations.

What prices were used for the CWT tax-withholding share dispositions?

The tax-withholding dispositions were recorded at per-share prices of $45.59 and $45.78. These prices applied to the 547 California Water Service Group shares withheld and surrendered to cover tax liabilities arising from the vesting of restricted stock and performance stock unit awards.

What performance outcome affected the CWT performance stock unit award for Bunting?

A performance stock unit award granted to Bunting on March 7, 2023 vested based on performance criteria approved by the board, resulting in a 46% payout of the original goal. That vesting contributed to the 750-share grant and related tax-withholding share dispositions reported.

Is the CWT insider Form 4 filing indicative of open-market buying or selling?

The Form 4 does not show open-market buying or selling. It reflects an equity grant of 750 shares and disposals coded as tax-withholding, where 547 shares were withheld and surrendered to California Water Service Group to pay tax obligations related to vesting stock awards.

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

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Accepted by SEC EDGAR 03/09/2026 - 06:02 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^*

Bunting Shawn 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, GC and Business Dev

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		76(1)	D	$45.78	4,574	D
Common Stock	03/07/2026		A		750(2)	A	$0.0	5,324	D
Common Stock	03/07/2026		F		422(3)	D	$45.59	4,902	D
Common Stock	03/07/2026		F		49(1)	D	$45.59	4,853	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: Shawn C Bunting	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.