H2O AMERICA

0000766829 FALSE 0000766829 2026-05-18 2026-05-18 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 13, 2026 H2O America (Exact name of registrant as specified in its charter) Delaware 001-8966 77-0066628 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 110 West Taylor Street, San Jose, CA 95110 (Address of principal executive offices) (Zip Code) (408) 279-7800 Registrant’s telephone number, including area code Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, par value $0.001 per share HTO Nasdaq Global Select Market Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter): Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act ☐ Item 5.07 Submission of Matters to a Vote of Security Holders. On May 13, 2026, the Company held its 2026 stockholders' meeting. The following proposals were approved by the stockholders at the meeting: (i) the election of the nine nominees listed in the Company's 2026 proxy statement to serve on the Board, (ii) the compensation of named executive officers as disclosed in the proxy statement, on an advisory basis, and (iii) the ratification of the appointment of Deloitte & Touche LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026, each by the votes set forth below: Proposal 1: Election of Directors Name of Director For Against Abstain Broker Non-Votes Carl Guardino 34,314,990 1,092,889 70,936 3,289,848 Mary Ann Hanley 34,240,746 1,200,874 37,195 3,289,848 Heather Hunt 34,965,025 469,384 44,406 3,289,848 Rebecca A. Klein 35,123,504 318,135 37,176 3,289,848 Denise L. Kruger 34,670,194 769,500 39,121 3,289,848 Daniel B. More 34,998,522 412,814 67,479 3,289,848 Nick O. Rowe 34,665,232 775,649 37,934 3,289,848 Carol P. Wallace 35,280,879 159,551 38,385 3,289,848 Andrew F. Walters 34,807,444 604,468 66,903 3,289,848 Proposal 2: Approval, on an advisory basis, of the compensation of named executive officers as disclosed in the proxy statement: For Against Abstain Broker Non-Votes 34,474,021 908,548 96,246 3,289,848 Proposal 3: Ratification of appointment of Independent Registered Public Accounting Firm: For Against Abstain Broker Non-Votes 38,440,303 267,952 60,408 0 Item 9:01. Financial Statements and Exhibits (d) Exhibits Exhibit Number Description of Documents 104 Cover Page Interactive Data File - the cover page XBRL tabs are embedded within Inline XBRL document SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. H2O AMERICA Dated: May 18, 2026 /s/ Marisa Joss Marisa Joss, Vice President, Corporate & Securities and Corporate Secretary