H2O AMERICA (HTO) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-13

H2O AMERICA (HTO) has filed 17 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-13. 3 Form 8-K material event filings were reported by HTO in the last 90 days. InsiderAlpha tracks every HTO SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About H2O AMERICA (HTO)

SEC CIK	0000766829

90-Day SEC Filing Activity

Form 4 filings (90d)	17
Form 8-K filings (90d)	3
Latest Form 4 filing	2026-07-13

Recent HTO Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-07-07	ATLAS Infrastructure Partners (UK) Ltd.	10% Owner	P — Open-market purchase	2.8K	$62.03	$173K	SEC
2026-07-07	ATLAS Infrastructure Partners (UK) Ltd.	10% Owner	P — Open-market purchase	2.8K	$62.03	$173K	SEC
2026-07-01	ATLAS Infrastructure Partners (UK) Ltd.	10% Owner	S — Open-market sale	1.7K	$60.73	$102K	SEC
2026-07-01	Walters Andrew F	Chief Executive Officer	D — Derivative transaction	374	$60.74	$23K	SEC
2026-07-01	ATLAS Infrastructure Partners (UK) Ltd.	10% Owner	P — Open-market purchase	2.1K	$60.76	$130K	SEC
2026-07-01	Kelly Ann P	CFO and Treasurer	F — Tax withholding / forfeiture	88	$60.74	$5K	SEC
2026-06-05	Walters Andrew F	Chief Executive Officer	G — Bona-fide gift	3.5K	$0.00	—	SEC
2026-05-29	ATLAS Infrastructure Partners (UK) Ltd.	10% Owner	P — Open-market purchase	31.0K	$57.62	$1.79M	SEC
2026-05-29	ATLAS Infrastructure Partners (UK) Ltd.	10% Owner	S — Open-market sale	1.4K	$57.52	$83K	SEC
2026-05-13	KRUGER DENISE L	Director	A — Grant or award	1.9K	$0.00	—	SEC
2026-05-13	Heather Hunt	Director	A — Grant or award	1.9K	$0.00	—	SEC
2026-05-13	Guardino Carl	Director	A — Grant or award	1.9K	$0.00	—	SEC
2026-05-13	HANLEY MARY ANN	Director	A — Grant or award	1.9K	$0.00	—	SEC
2026-05-13	Rowe Nick Orlando	Director	A — Grant or award	1.9K	$0.00	—	SEC
2026-05-13	WALLACE CAROL P	Director	A — Grant or award	1.9K	$0.00	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for H2O AMERICA (HTO). Updated in real time as new filings are submitted to the SEC.

Most-Active HTO Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
ATLAS Infrastructure Partners (UK) Ltd.	6	$2.45M
Walters Andrew F	2	$23K
More Daniel B.	1	—
Kelly Ann P	1	$5K
Johnson A Kristen	1	—

Recent HTO Form 8-K Material Events

2026-06-12 — Item 5.02, 9.01 [SEC]
2026-05-18 — Item 5.07, 9.01 [SEC]
2026-04-28 — Item 2.02, 9.01 [SEC]
2026-03-04 — Item 1.01, 7.01, 8.01, 9.01 · Financing · neutral [SEC]
H2O America announced and priced an equity offering on March 2-3, 2026. Net proceeds will be used primarily to finance the acquisition of Quadvest entities, with flexibility for general corporate purposes including acquisitions, capital expenditures, share repurchases, or debt re
2026-03-02 — Item 9.01 · Acquisition · positive [SEC]
H2O America completed the acquisition of substantially all assets of Quadvest Retail's water and sewer utility business (regulated and wholesale operations) for a combined base purchase price of $540 million ($483.6M for regulated business + $56.4M for wholesale business). This r

Recent Insider Filings

2026-07-13 — ATLAS Infrastructure Partners (UK) Ltd. (10% Owner)
2026-07-08 — ATLAS Infrastructure Partners (UK) Ltd. (10% Owner)
2026-07-06 — Walters Andrew F (Chief Executive Officer)
2026-07-06 — Kelly Ann P (CFO and Treasurer)
2026-07-02 — ATLAS Infrastructure Partners (UK) Ltd. (10% Owner)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in HTO insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

HTO Insider Trading — FAQ

What is the latest insider trade for HTO?: H2O AMERICA (HTO) had 17 insider filings in the last 90 days, with the most recent on 2026-07-13. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying HTO stock?: 0 insider purchases of HTO were filed in the last 90 days.
How many insiders are selling HTO stock?: 0 insider sales of HTO were filed in the last 90 days.
Where can I see HTO SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every HTO SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

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