HTO

H2O AMERICA

Latest Form 4:Purchase$173KbyATLAS Infrastructure Partners (UK) Ltd. (10% Owner) · filed Jul 13, 2026

H2O AMERICA (HTO) has 32 SEC Form 4 filings (46 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Aug 3, 2026.

The most active filer is 10% Owner ATLAS Infrastructure Partners (UK) Ltd. with 6 filings. Insiders have net bought $7.9M over the trailing 6 months. The largest single insider purchase in this window was $3.0M by 10% Owner GIP ATLAS Holdings Ltd on Apr 10, 2026.

  • Industry:Regulated Water
  • CEO:Andrew F. Walters
  • Employees:822
  • HQ:San Jose, CA, US
  • IPO:1972-06-01

Insider Buying

$8.0M

reported purchases (SEC code P)

Insider Selling

$284K

reported sales (SEC code S)

Unique Insiders

3

in the rolling window

Market Cap

$2.7B

latest known value

Source
Purchase$173KJul 13SEC ↗
Sale$102KJul 2SEC ↗
Purchase$130KJul 2SEC ↗
Sale$83KJun 2SEC ↗
Purchase$1.8MJun 2SEC ↗
Purchase$3.0MApr 22SEC ↗
Purchase$3.0MApr 13SEC ↗
Walters Andrew FFirst filing
Sale$99KNov 14SEC ↗

Related companies

H2O AMERICA is in the Energy sector.