H2O AMERICA 10-K

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities Market Information Since November 8, 2024, H2O America’s common stock has been trading on the Nasdaq Global Select Market under the symbol “SJW”. Effective May 5, 2025 as a result of a change in the Company’s corporate name the ticker symbol was changed to “HTO.” Prior to November 8, 2024, H2O America’s common stock was traded on the New York Stock Exchange. As of February 19, 2026, there were 242 record holders of H2O America’s common stock, excluding those shares held in street or nominee name. Five-Year Performance Graph The following performance graph compares the changes in the cumulative stockholder return on H2O America’s common stock with the cumulative total return on a Water Utility Index and the Standard & Poor’s 500 Index during the last five years ended December 31, 2025. The comparison assumes $100 was invested on December 31, 2020 in H2O America’s common stock and in each of the foregoing indices and assumes reinvestment of dividends. COMPARISON OF FIVE YEAR CUMULATIVE TOTAL RETURN Among H2O America, a Water Utility Index and the S&P 500 Index The following descriptive data of the performance graph is supplied in accordance with Rule 304(d) of Regulation S-T (numbers represent U.S. dollars ($)): 2020 2021 2022 2023 2024 2025 H2O America 100 108 122 100 78 80 Water Utility Index 100 128 120 101 89 91 S&P 500 Index 100 129 105 133 166 196 The Water Utility Index is an equal-weight index comprised of eight U.S.-based water utilities. The above performance graph and related information shall not be deemed “soliciting material” or to be “filed” with the SEC, nor shall such information be incorporated by reference into any future filing under the Securities Act of 1933 or Securities Exchange Act of 1934, each as amended, except to the extent that the company specifically incorporates it by reference into such filing. Item 6. [Reserved] 33 Table of Contents