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H2O America

HTO
Exchange
Nasdaq
Industry
Water Supply
SEC CIK
0000766829

No open-market purchases or sales by H2O America insiders were filed in the last 90 days; 315 institutions reported holding it in 13F filings for Q2 2026, worth $2.69B in total; Soros Fund Management is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by H2O America insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
0 filings
Insiders trading
0
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for H2O America, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for H2O America
NameTitleLast reported holdingLast filingFilings, past year
ATLAS Infrastructure Partners (UK) Ltd.Other: N/A–Aug 19, 20264
GIP ATLAS Holdings LtdOther: N/A4,582,469Aug 19, 20264
Mattern MeganCAO, PAO and Controller13,631Aug 3, 20262
Walters Andrew FChief Executive Officer26,461Jul 6, 20265
Kelly Ann PCFO and Treasurer9,976Jul 6, 20264
Johnson A KristenChief Administrative Officer14,565Jun 3, 20264
Kruger Denise LDirector6,923May 15, 20261
Hanley Mary AnnDirector11,583May 15, 20261
Wallace Carol PDirector11,238May 15, 20261
Heather HuntDirector11,238May 15, 20261
Rowe Nick OrlandoDirector2,452May 15, 20262
Klein Rebecca ADirector9,208May 15, 20261
More Daniel B.Director1,947May 15, 20261
Guardino CarlDirector9,139May 15, 20261
Hauk Bruce APresident and COO16,616Mar 3, 20262
Brown Willie D. Jr.VP & Gen Counsel13,554Mar 3, 20262
Patla Craig JPresident of CTWS5,200Jun 4, 20250
Landis Gregory PDirector12,803May 15, 20250
Moniz-Witten TanyaPresident, San Jose Water Co.12,812May 1, 20250
Thornburg Eric WPresident & CEO78,418Mar 4, 20250
Busschops DouweChief Information Officer1,768Jan 6, 20250
Zerhouni Mohammed G.SVP of Fin., Prin. Acct. Ofcr.3,567Feb 5, 20240
Gere AndrewPresident of SJWC25,410Mar 2, 20230
Van Valer Robert AOther: Former 10% Owner–Feb 14, 20230
Westbrook Maureen PPresident of CTWS40,590Dec 30, 20220
Lynch James PatrickChief Accounting Officer25,249Nov 4, 20220
Bishop Walter J.Director5,353Apr 29, 20220
Armstrong KatharineDirector6,266Mar 3, 20220
Avila-Walker WendyVP of Finance, Controller5,806Jan 6, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Apr 22, 2026 (view filing)Apr 1012 daysLateGIP ATLAS Holdings Ltd10% OwnerPPurchase+50.4K$59.06+$2.98M+1.1%4.58M after
Nov 14, 2025 (view filing)Nov 131 dayWalters Andrew FChief Executive OfficerSSale−2.10K$47.22−$99.2K−8.0%24.2K after
Aug 23, 2024 (view filing)Aug 221 dayHauk Bruce AChief Operating OfficerSSale−115$57.77−$6.64K−1.4%8.33K after
May 7, 2024 (view filing)May 7Same dayPatla Craig JPresident of CTWSSSale−1.40K$55.62−$77.9K−29.8%3.30K after
May 5, 2023 (view filing)May 32 daysGuardino CarlDirectorSSale−777$76.03−$59.1K−19.6%3.18K after10b5-1
Mar 28, 2023 (view filing)Mar 271 dayPatla Craig JPresident of CTWSSSale−725$76.09−$55.2K−9.3%7.04K after
Dec 22, 2022 (view filing)Mar 2, 20201,025 daysLateGere AndrewPresident and COOPPurchase+36$65.35+$2.35K+9.1%430 after2 lots
Dec 22, 2022 (view filing)Nov 2329 daysLateGere AndrewPresident and COOSSale−830$74.72−$62.0K−100.0%0 after
Nov 4, 2022 (view filing)Nov 31 dayLynch James PatrickChief Accounting OfficerSSale−709$67.27−$47.7K−2.7%25.2K after
Oct 21, 2022 (view filing)Oct 201 dayLynch James PatrickChief Accounting OfficerSSale−803$63.47−$51.0K−3.0%26.0K after
Oct 11, 2022 (view filing)Oct 65 daysLynch James PatrickChief Accounting OfficerSSale−620$61.00−$37.8K−2.3%26.8K after
Sep 26, 2022 (view filing)Sep 224 daysLynch James PatrickChief Accounting OfficerSSale−533$62.35−$33.2K−1.9%27.4K after
Sep 21, 2022 (view filing)Sep 201 dayGuardino CarlDirectorSSale−1.18K$64.32−$75.6K−30.1%2.73K after
Dec 9, 2021 (view filing)Dec 72 daysArmstrong KatharineDirectorSSale−2.30K$69.58−$160.2K−46.0%2.70K after
Dec 6, 2021 (view filing)Dec 33 daysArmstrong KatharineDirectorSSale−2.00K$68.41−$136.8K−28.6%5.00K after