Megan Mattern - 30 Jul 2025 Form 4 Insider Report for H2O AMERICA (HTO)

Role: CAO, PAO and Controller
Signature: /s/ Marisa Joss Attorney-in-Fact for Megan Mattern
Issuer symbol: HTO
Transactions as of: 30 Jul 2025
Net transactions value: $0
Form type: 4
Filing time: 31 Jul 2025, 18:47:03 UTC
Previous filing: 31 Jul 2025
Next filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mattern Megan	CAO, PAO and Controller	110 W. TAYLOR STREET, SAN JOSE	/s/ Marisa Joss Attorney-in-Fact for Megan Mattern	31 Jul 2025	0002079031

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HTO	Common Stock	Award	$0	+2,356		$0.000000	2,356	30 Jul 2025	Direct	F1
transaction	HTO	Common Stock	Award	$0	+10,263	+436%	$0.000000	12,619	30 Jul 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Represents shares of the issuer's common stock ("Common Stock") underlying restricted stock units ("RSUs") granted to the reporting person under the issuer's Long-Term Incentive Plan. Each RSU entitles the reporting person to receive one share of Common Stock upon vesting of the RSU. The RSUs will vest in three annual successive installments upon the completion of the reporting person's each year of service with the issuer for the three-year period measured from the date of grant, subject to accelerated vesting under certain prescribed circumstances.

Content

Represents shares of the issuer's common stock ("Common Stock") underlying restricted stock units ("RSUs") granted to the reporting person under the issuer's Long-Term Incentive Plan. Each RSU entitles the reporting person to receive one share of Common Stock upon vesting of the RSU. The RSUs will vest in three annual successive installments upon the completion of the reporting person's each year of service with the issuer for the three-year period measured from the date of grant, subject to accelerated vesting under certain prescribed circumstances.