Megan H. Berge - 05 Mar 2026 Form 4 Insider Report for Northwest Natural Holding Co (NWN)

Role: SVP, GC, CCO & Corp. Sec.
Signature: Molly J. Wilcox, Attorney-in-Fact
Issuer symbol: NWN
Transactions as of: 05 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 09 Mar 2026, 17:34:14 UTC
Previous filing: 27 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Berge Megan H	SVP, GC, CCO & Corp. Sec.	250 SW TAYLOR STREET, PORTLAND	Molly J. Wilcox, Attorney-in-Fact	09 Mar 2026	0002058274

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NWN	Common Stock	Tax liability		-1,485	-20%	$52.53^*	5,841	05 Mar 2026	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares were withheld by the issuer to cover withholding taxes on issuance of shares due to vesting of 1,029 restricted stock units (RSUs) with performance threshold, and vesting of 2,099 time-based RSUs. Organization and Executive Compensation Committee certification of satisfaction of the performance threshold and vesting for these restricted stock units was reported on Form 4 filed on February 27, 2026. The 2,099 time-based RSUs are part of 6,297 time-based RSUs that have been reported as shares beneficially owned by the reporting person since initially reported on the reporting persons Form 4 on March 3, 2025.
F2	Includes 4,198 time-based restricted stock units granted under the Long Term Incentive Plan of the Issuer. The restricted stock units vest in two equal installments on each of March 1, 2027 and 2028.

Content

Shares were withheld by the issuer to cover withholding taxes on issuance of shares due to vesting of 1,029 restricted stock units (RSUs) with performance threshold, and vesting of 2,099 time-based RSUs. Organization and Executive Compensation Committee certification of satisfaction of the performance threshold and vesting for these restricted stock units was reported on Form 4 filed on February 27, 2026. The 2,099 time-based RSUs are part of 6,297 time-based RSUs that have been reported as shares beneficially owned by the reporting person since initially reported on the reporting persons Form 4 on March 3, 2025.

Includes 4,198 time-based restricted stock units granted under the Long Term Incentive Plan of the Issuer. The restricted stock units vest in two equal installments on each of March 1, 2027 and 2028.