CWT VP uses shares to cover RSA tax withholding

California Water Service Group vice president Kenneth G. Jenkins reported routine share dispositions related to tax withholding on vested restricted stock awards.

Rhea-AI Filing Summary

California Water Service Group vice president Kenneth G. Jenkins reported routine share dispositions related to tax withholding on vested restricted stock awards. On June 4 and 5, he surrendered 63 and 38 shares of common stock, respectively, to cover tax obligations at prices of $45.24 and $45.82 per share.

These transactions were coded as tax-withholding dispositions, not open-market sales, and followed the vesting of Restricted Stock Awards granted in June 2024 and March 2025. After these withholdings, Jenkins directly holds 5,228 shares of California Water Service Group common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 101 shares

Exercise Price or Tax Liability 2 txns

Insider Jenkins Kenneth G

Role VP Water Res Plan & Sustain

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	38	$45.82	$2K
Exercise Price or Tax Liability	Common Stock	63	$45.24	$3K

Holdings After Transaction: Common Stock — 5,228 shares (Direct)

Footnotes (2)

1. F1. 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
2. F2. 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 June 5, 2024.

Key Figures

Tax-withholding shares June 5: 38 shares at $45.82 Tax-withholding shares June 4: 63 shares at $45.24 Total tax-withholding shares: 101 shares +1 more

4 metrics

Tax-withholding shares June 5 38 shares at $45.82 Common Stock surrendered for tax withholding on June 5, 2026

Tax-withholding shares June 4 63 shares at $45.24 Common Stock surrendered for tax withholding on June 4, 2026

Total tax-withholding shares 101 shares Total shares withheld across two tax-withholding dispositions

Shares held after transactions 5,228 shares Direct common stock ownership following tax-withholding dispositions

Key Terms

Restricted Stock (RSA) Award, tax withholding obligations, Common Stock, tax-withholding disposition

4 terms

Restricted Stock (RSA) Award financial

"vesting of Restricted Stock (RSA) Award granted on March 4,2025"

tax withholding obligations financial

"to satisfy the tax withholding obligations that arose in connection with the vesting"

Common Stock financial

"security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

FAQ

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

What insider transaction did CWT executive Kenneth Jenkins report on this Form 4?

Kenneth G. Jenkins reported share dispositions used to pay taxes on vested restricted stock awards. He surrendered a total of 101 California Water Service Group common shares, rather than selling them in the open market, as part of standard equity-compensation tax withholding.

How many California Water Service Group (CWT) shares were used for Kenneth Jenkins’ tax withholding?

A total of 101 common shares were withheld and surrendered to satisfy tax withholding obligations. This comprised 63 shares on June 4 and 38 shares on June 5, linked to vesting of prior Restricted Stock (RSA) Awards granted in 2024 and 2025.

At what prices were the CWT shares valued for Kenneth Jenkins’ tax-withholding dispositions?

The surrendered California Water Service Group shares were valued at $45.24 and $45.82 per share. These values reflect the share prices used to calculate the number of shares required to satisfy Jenkins’ tax obligations when his restricted stock awards vested.

Does this CWT Form 4 show open-market buying or selling by Kenneth Jenkins?

No, the Form 4 shows no open-market purchases or sales by Kenneth Jenkins. Both transactions are coded as tax-withholding dispositions, meaning shares were delivered back to the issuer solely to cover tax liabilities from vesting restricted stock awards.

How many CWT shares does Kenneth Jenkins hold after these tax-withholding transactions?

After the reported tax-withholding dispositions, Kenneth G. Jenkins directly holds 5,228 shares of California Water Service Group common stock. This figure, disclosed in the Form 4, reflects his remaining direct ownership stake following the surrender of 101 shares for taxes.

What triggered the tax-withholding share dispositions for CWT executive Kenneth Jenkins?

The tax-withholding share dispositions were triggered by the vesting of Restricted Stock (RSA) Awards. Footnotes state the awards were originally granted on June 5, 2024 and March 4, 2025, and vesting created tax obligations settled by surrendering a portion of the shares.

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

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Accepted by SEC EDGAR 06/08/2026 - 05:27 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^*

Jenkins Kenneth G

(Last) (First) (Middle)

1720 NORTH FIRST STREET

(Street)

SAN JOSE CALIFORNIA 95112

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	VP Water Res Plan & Sustain

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026

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

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

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

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	06/04/2026		F		63(1)	D	$45.24	5,266	D
Common Stock	06/05/2026		F		38(2)	D	$45.82	5,228	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 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

2. 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 June 5, 2024.

	By: /s/ Michelle R. Mortensen For: Kenneth G Jenkins	06/08/2026
	** 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.
* Form 4: SEC 1474 (03-26)