STOCK TITAN

California Water (NYSE: CWT) VP surrenders 133 shares to cover RSU tax

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

CALIFORNIA WATER SERVICE GROUP vice president Elissa Y. Ouyang reported two tax-related share dispositions tied to restricted stock vesting. On June 4, 2026, 67 shares of common stock were withheld at $45.24 per share, and on June 5, 2026, 66 shares were withheld at $45.82 per share. These F-code transactions reflect shares surrendered to the issuer to cover tax withholding obligations from Restricted Stock Awards granted in June 2024 and March 2025, not open-market sales. After these transactions, Ouyang directly holds about 14,939.041 common shares, which include shares acquired through the Employee Stock Purchase Program.

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Insider Ouyang Elissa Y
Role VP Facilities Fleet Procure IT
Type Security Shares Price Value
Tax Withholding Common Stock 66 $45.82 $3K
Tax Withholding Common Stock 67 $45.24 $3K
Holdings After Transaction: Common Stock — 14,939.041 shares (Direct)
Footnotes (1)
  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 Includes shares acquired through the Employee Stock Purchase Program (ESPP). 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.
Shares withheld June 4, 2026 67 shares at $45.24 F-code tax-withholding disposition of common stock
Shares withheld June 5, 2026 66 shares at $45.82 F-code tax-withholding disposition of common stock
Total shares withheld for taxes 133 shares Sum of two F-code tax-withholding transactions
Shares held after June 5 transaction 14,939.041 shares Direct common stock ownership following tax withholding
March 4, 2025 RSA grant reference Restricted Stock Award Award whose vesting caused part of tax withholding
June 5, 2024 RSA grant reference Restricted Stock Award Award whose vesting caused part of tax withholding
Restricted Stock (RSA) Award financial
"vesting of Restricted Stock (RSA) Award granted on March 4, 2025"
Employee Stock Purchase Program (ESPP) financial
"Includes shares acquired through the Employee Stock Purchase Program (ESPP)."
tax withholding obligations financial
"to satisfy the tax withholding obligations that arose in connection with the vesting"
Common Stock financial
"security_title: Common Stock for both reported transactions"
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.
Form 4 regulatory
"INSIDER FILING DATA (Form 4)"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
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FAQ

What insider transactions did CWT executive Elissa Ouyang report on this Form 4?

Elissa Ouyang reported two F-code transactions where a total of 133 common shares of California Water Service Group were withheld. These shares were surrendered to the issuer to cover tax obligations arising from vesting Restricted Stock Awards, not from open-market sales.

Were the reported CWT share dispositions open-market sales by Elissa Ouyang?

No, the filing shows F-code tax-withholding dispositions, not open-market sales. Shares were withheld and surrendered to California Water Service Group to satisfy tax withholding obligations triggered by vesting Restricted Stock Awards granted in June 2024 and March 2025.

How many CWT shares were withheld for taxes in Elissa Ouyang’s Form 4?

The Form 4 reports 133 common shares withheld in total. This includes 67 shares at $45.24 on June 4, 2026 and 66 shares at $45.82 on June 5, 2026, all surrendered to satisfy tax withholding obligations.

How many California Water Service Group shares does Elissa Ouyang hold after these transactions?

After the tax-withholding dispositions, Elissa Ouyang directly holds about 14,939.041 CWT common shares. The filing notes that this figure includes shares acquired through the company’s Employee Stock Purchase Program (ESPP), providing context for her ongoing ownership stake.

What awards triggered the CWT tax-withholding share dispositions for Elissa Ouyang?

The dispositions relate to vesting of Restricted Stock (RSA) Awards. Footnotes state that tax withholding obligations arose from RSAs granted on June 5, 2024 and March 4, 2025, leading to shares being withheld and surrendered rather than sold in the open market.

What does transaction code F mean in this CWT Form 4?

Transaction code F indicates shares delivered to pay an exercise price or tax liability. In this filing, code F reflects common shares withheld and surrendered to California Water Service Group to cover tax withholding obligations from vesting restricted stock, not discretionary buying or selling.
SEC Form 4
FORM 4UNITED 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*
Ouyang Elissa Y

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
VP Facilities Fleet Procure IT
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/04/2026F67(1)D$45.2415,005.041(2)D
Common Stock06/05/2026F66(3)D$45.8214,939.041D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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. Includes shares acquired through the Employee Stock Purchase Program (ESPP).
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 June 5, 2024.
By: /s/ Michelle R. Mortensen For: Elissa Y Ouyang06/08/2026
** Signature of Reporting PersonDate
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)