Andrew F. Walters - 02 Jan 2026 Form 4 Insider Report for H2O AMERICA (HTO)

Role: Chief Executive Officer, Director
Signature: /s/ Marisa Joss Attorney-in-Fact for Andrew F. Walters
Issuer symbol: HTO
Transactions as of: 02 Jan 2026
Net transactions value: -$44,358
Form type: 4
Filing time: 06 Jan 2026, 20:49:23 UTC
Previous filing: 14 Nov 2025
Next filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Walters Andrew F	Chief Executive Officer, Director	110 W TAYLOR STREET, SAN JOSE	/s/ Marisa Joss Attorney-in-Fact for Andrew F. Walters	06 Jan 2026	0001598003

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HTO	Common Stock	Tax liability	$33,588	-682	-2.8%	$49.25	23,510	02 Jan 2026	Direct	F1
transaction	HTO	Common Stock	Tax liability	$10,770	-216	-0.92%	$49.86	23,294	03 Jan 2026	Direct	F2, F3
holding	HTO	Common Stock						100	02 Jan 2026	Held by Spouse

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents 682 shares of the issuer's common stock (Common Stock) withheld in satisfaction of applicable withholding taxes upon the vesting of certain shares of Common Stock that became issuable on January 2, 2026 pursuant to the terms of the Restricted Stock Unit Issuance Agreements between the reporting person and the issuer dated January 2, 2024 and January 2, 2025. The shares underlying such restricted stock units (RSUs) were previously reported as Table I securities at the time the RSUs were granted. Accordingly, the issuance of such shares is not a reportable transaction on this Form 4.
F2	Represents 216 shares of the issuer's Common Stock withheld in satisfaction of applicable withholding taxes upon the vesting of certain shares of Common Stock that became issuable on January 3, 2026 pursuant to the terms of the Restricted Stock Unit Issuance Agreement between the reporting person and the issuer dated January 3, 2023. The shares underlying such RSUs were previously reported as Table I securities at the time the RSUs were granted. Accordingly, the issuance of such shares is not a reportable transaction on this Form 4.
F3	Represents 16,825 shares of Common Stock and 6,469 shares of the Common Stock underlying restricted stock units which will vest and become issuable in accordance with their terms.