Northwest Natural director reports 7,500-share sale at $46.39 average

Rhea-AI Filing Summary

Northwest Natural Holding Co (NWN) director reported an open-market sale of 7,500 common shares on 10/20/2025, coded “S,” at a weighted average price of $46.3935, executed under a Rule 10b5-1 trading plan.

Following the transaction, the reporting person beneficially owns 44,422 shares directly and 10,504.859 shares indirectly through the Northwest Natural Gas Company Deferred Compensation Plan for Directors and Executives. The plan was established on September 16, 2024, and the individual retired as CEO effective April 1, 2025. The sale occurred in multiple trades between $46.08 and $46.65.

Insider Trade Summary

Net Seller: 7,500 shares ($347,951)

Net Sell 2 txns

Insider ANDERSON DAVID HUGO

Role Director

Sold 7,500 shs ($348K)

Type	Security	Shares	Price	Value
Sale	Common Stock	7,500	$46.3935	$348K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 44,422 shares (Direct); Common Stock — 10,504.859 shares (Indirect, See Footnote)

Footnotes (1)

1. Transaction made pursuant to a Rule 10b5-1 trading plan established by the reporting person on September 16, 2024. As previously disclosed, Mr. Anderson retired from his position as CEO of NW Holdings and NW Natural, effective April 1, 2025. At the time the 10b5-1 Plan was established, Mr. Anderson held more than 8 times his annual salary in NW Holdings' stock; an amount greater than required by the NW Holdings' stock ownership requirements. This trading arrangement allows Mr. Anderson to periodically sell a portion of his NW Holdings common stock to diversify his holdings in connection with his retirement. As of the date of this filing, Mr. Anderson holds the following shares that are not subject to his trading arrangement: 47,459 shares of which 10,505 are held in Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Officers and 36,954 are held in his trust. This transaction was executed in multiple trades on reported date with prices ranging from $46.08 to $46.65, resulting in a weighted average price of $46.3935. Northwest Natural Holding Company (Issuer) will provide upon request by the Commission staff or a security holder of the Issuer full information regarding the number of shares sold at each separate price. Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives.

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).

X

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^*

ANDERSON DAVID HUGO

(Last) (First) (Middle)

250 SW TAYLOR ST

(Street)

PORTLAND OR 97204

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Northwest Natural Holding Co [ NWN ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
10/20/2025

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

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

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

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	10/20/2025		S(1)		7,500	D	$46.3935(2)	44,422	D
Common Stock								10,504.859	I	See Footnote(3)

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:

1. Transaction made pursuant to a Rule 10b5-1 trading plan established by the reporting person on September 16, 2024. As previously disclosed, Mr. Anderson retired from his position as CEO of NW Holdings and NW Natural, effective April 1, 2025. At the time the 10b5-1 Plan was established, Mr. Anderson held more than 8 times his annual salary in NW Holdings' stock; an amount greater than required by the NW Holdings' stock ownership requirements. This trading arrangement allows Mr. Anderson to periodically sell a portion of his NW Holdings common stock to diversify his holdings in connection with his retirement. As of the date of this filing, Mr. Anderson holds the following shares that are not subject to his trading arrangement: 47,459 shares of which 10,505 are held in Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Officers and 36,954 are held in his trust.

2. This transaction was executed in multiple trades on reported date with prices ranging from $46.08 to $46.65, resulting in a weighted average price of $46.3935. Northwest Natural Holding Company (Issuer) will provide upon request by the Commission staff or a security holder of the Issuer full information regarding the number of shares sold at each separate price.

3. Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives.

	Molly J. Wilcox, Attorney-in-Fact	10/22/2025
	** 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.

FAQ

What did NWNs director report on Form 4?

An open-market sale of 7,500 NWN common shares on 10/20/2025, coded S.

At what price were NWN shares sold?

A weighted average price of $46.3935, with trades ranging from $46.08 to $46.65.

How many NWN shares does the insider own after the sale?

44,422 shares directly and 10,504.859 shares indirectly in the Deferred Compensation Plan.

Was the NWN trade under a 10b5-1 plan?

Yes. It was made pursuant to a Rule 10b5-1 trading plan established on September 16, 2024.

What is the insiders relationship to NWN?

Listed as a Director; he retired as CEO effective April 1, 2025.

How were the trades executed on the transaction date?

In multiple trades on 10/20/2025 between $46.08 and $46.65.