ATLAS Infrastructure Partners (UK) Ltd. 4

What Happened
ATLAS Infrastructure Partners (UK) Ltd., a 10% owner of H2O AMERICA (HTO), purchased 50,385 shares on April 10, 2026 at $59.06 per share for a total of $2,975,919. The transaction is reported as a purchase (code P — open market or private purchase), which is an acquisition rather than a sale.

Key Details

• Transaction date: 2026-04-10; Price: $59.06 per share; Total value: $2,975,919.
• Transaction type/code: Purchase (P) — open market or private purchase.
• Filed with the SEC on 2026-04-13 (reported timely under the standard two-business-day Form 4 window).
• Shares owned after the transaction: not specified in the provided filing excerpt.
• No footnotes, 10b5-1 plan, option exercise, gift, or tax-withholding details disclosed in the summary provided.

Context
This purchase was made by a 10% institutional owner, not an executive officer. Institutional buys can reflect portfolio/position adjustments and are not direct statements of management sentiment. For retail investors, purchases by large holders are worth noting but should be considered alongside other company and market information.