๐Ÿ•ต๏ธ H2O America ($HTO)

SEC insider & ownership activity, last 12 months ยท CIK 766829 ยท every row links its SEC filing

Over the last 12 months insiders sold $284K against $8.0M of open-market buying. Atlas Infrastructure Partners (UK) Ltd. bought $5.1M (Aprโ€“Jul). No red-flag 8-Ks in the window.

Aug 2025: net +$0 Sep 2025: net +$0 Oct 2025: net +$0 Nov 2025: net -$99K Dec 2025: net +$0 Jan 2026: net +$0 Mar 2026: net +$0 Mar 2026: net +$0 Apr 2026: net +$6.0M May 2026: net +$1.7M Jun 2026: net +$0 Jul 2026: net +$200K
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

2 buyers, $8.0M (5 lots) ยท 2 sellers, $284K (3 lots)

InsiderBuysBoughtSellsSoldLast
Atlas Infrastructure Partners (UK) Ltd.4$5.1M 2$185KJul 7, 2026
GIP Atlas Holdings Ltd1$3.0M 0โ€“Apr 10, 2026
Andrew F. Walters0โ€“ 1$99KNov 13, 2025

5%+ holders

HolderStakeClassScheduleEvent
Blackrock, Inc. 15.8% 13GJul 28, 2026 filing โ†—
Atlas Infrastructure Partners (UK) Ltd. 10.8% 13GMar 10, 2026 filing โ†—
Atlas Infrastructure Partners (UK) Ltd. 10.8% 13GApr 8, 2026 filing โ†—
GIP Atlas Holdings Limited 10.8% 13GApr 8, 2026 filing โ†—
Future Fund Board of Guardians 6.2% 13GMar 6, 2026 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Andrew F. Walters$99KNov 13, 2025 filing โ†—

Material events (8-K)

ItemEvent date
Earnings (2.02)Jul 27, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jul 27, 2026 filing โ†—
Officer/director changes (5.02)Jun 10, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 10, 2026 filing โ†—
Shareholder vote (5.07)May 13, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 13, 2026 filing โ†—
Earnings (2.02)Apr 28, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 28, 2026 filing โ†—
Material agreement (1.01)Mar 4, 2026 filing โ†—
Reg FD disclosure (7.01)Mar 4, 2026 filing โ†—
Other events (8.01)Mar 4, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 4, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 2, 2026 filing โ†—
Earnings (2.02)Feb 25, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 25, 2026 filing โ†—
Other events (8.01)Dec 29, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Dec 29, 2025 filing โ†—
Officer/director changes (5.02)Dec 9, 2025 filing โ†—
Earnings (2.02)Oct 27, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 27, 2025 filing โ†—
Material agreement (1.01)Sep 16, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Sep 16, 2025 filing โ†—