GIP ATLAS adds 50,385 H2O AMERICA (HTO) shares in purchase

Rhea-AI Filing Summary

GIP ATLAS Holdings Ltd, a ten percent owner of H2O AMERICA, made an open-market purchase of 50,385 shares of Common Stock at $59.0636 per share. After this transaction, GIP ATLAS Holdings Ltd directly holds 4,582,469 shares of H2O AMERICA Common Stock.

Insider Trade Summary

Net Buyer: 50,385 shares ($2,975,919)

Net Buy 1 txn

Insider GIP ATLAS Holdings Ltd

Role null

Bought 50,385 shs ($2.98M)

Type	Security	Shares	Price	Value
Purchase	Common Stock	50,385	$59.0636	$2.98M

Holdings After Transaction: Common Stock — 4,582,469 shares (Direct, null)

Footnotes (1)

Key Figures

Shares purchased: 50,385 shares Purchase price: $59.0636 per share Shares held after transaction: 4,582,469 shares

3 metrics

Shares purchased 50,385 shares Open-market purchase of Common Stock

Purchase price $59.0636 per share Price paid in the reported transaction

Shares held after transaction 4,582,469 shares Direct holdings of Common Stock following purchase

Key Terms

open-market purchase, ten percent owner, Common Stock, Form 4

4 terms

open-market purchase financial

"the transaction is described as an open-market purchase of Common Stock"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

ten percent owner regulatory

"GIP ATLAS Holdings Ltd is identified as a ten percent owner"

Common Stock financial

"the security involved in the transaction is Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"the insider transaction is reported on a Form 4 filing"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

GIP ATLAS Holdings Ltd

(Last) (First) (Middle)

1ST FLOOR WEST, 1-3 COLLEGE HILL

(Street)

LONDON EC4R 2RA

(City) (State) (Zip)

UNITED KINGDOM

(Country)

2. Issuer Name and Ticker or Trading Symbol
H2O AMERICA [ HTO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/10/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/10/2026		P		50,385	A	$59.0636	4,582,469	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Clinton Joyner	04/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did GIP ATLAS report for H2O AMERICA (HTO)?

GIP ATLAS Holdings Ltd reported an open-market purchase of 50,385 shares of H2O AMERICA Common Stock. The transaction was coded as a purchase, indicating it was a standard market buy rather than an option exercise or other derivative-related action.

At what price did GIP ATLAS buy H2O AMERICA (HTO) shares?

GIP ATLAS Holdings Ltd bought the H2O AMERICA shares at an average price of $59.0636 per share. This figure reflects the per-share consideration paid in the reported open-market transaction on the Form 4 filing for the company’s Common Stock.

How many H2O AMERICA (HTO) shares does GIP ATLAS hold after this trade?

After the reported purchase, GIP ATLAS Holdings Ltd directly holds 4,582,469 shares of H2O AMERICA Common Stock. This total includes the 50,385 shares acquired in the latest open-market transaction disclosed in the Form 4 insider filing.

Was the H2O AMERICA (HTO) insider transaction a buy or a sell?

The insider transaction reported by GIP ATLAS Holdings Ltd was a buy. It is classified as an open-market purchase, with a transaction code of “P,” and no corresponding sale transactions were reported in this particular Form 4 filing.

Does the H2O AMERICA (HTO) Form 4 involve derivative securities?

The Form 4 transaction for H2O AMERICA reported by GIP ATLAS Holdings Ltd involves only non-derivative Common Stock. The derivative summary section is empty, indicating no options, warrants, or other derivative securities were exercised or converted in this filing.