Megan Mattern - 27 Feb 2026 Form 4 Insider Report for H2O AMERICA (HTO)

Reporting relationship: CAO, PAO and Controller
Issuer ticker: HTO
Reported as of: 27 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Mar 2026, 19:12:16 UTC
Prior SEC filing: 31 Jul 2025
Source filing: View source filing
Reporting owner signature: /s/ Marisa Joss Attorney-in-Fact for Megan Mattern

Key filing fact

Megan Mattern filed Form 4 for H2O AMERICA (HTO) on 03 Mar 2026.

Key facts

This page summarizes Megan Mattern's Form 4 filing for H2O AMERICA (HTO).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 03 Mar 2026, 19:12.

Change

Previous filing in this sequence was filed on 31 Jul 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002079031 Primary reporting owner

Mattern Megan

Relationship: CAO, PAO and Controller
Address: 110 W. TAYLOR STREET, SAN JOSE
Signature: /s/ Marisa Joss Attorney-in-Fact for Megan Mattern
Signature date: 03 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HTO transaction

Common Stock

Award

Transaction value: $0
Shares: +2,166
Change %: +17%
Price: $0.000000
Shares after: 14,785
Date: 27 Feb 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents 2,166 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.

Footnote F2

Represents 14,785 shares of the Common Stock underlying RSUs which will vest and become issuable in accordance with their terms.