Form 4 for NWN Northwest Natural Holding Co

Accepted 2026-03-09 00:00:00 ET · period of report 2026-03-05 · accession 0001733998-26-000066 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2026-03-09	2026-03-05	NWN	RUSH KIMBERLY HEITING	Pres, NW Natural	F - Tax	$52.53	-4,871	30.1K	-14%	-$255.9K
M	2026-03-09	2026-03-05	NWN	RUSH KIMBERLY HEITING	Pres, NW Natural	S - Sale	$52.53	-1.17	27.1K	-0.0%	-$61.46

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-03-05	F	D	3,000	$52.53	27,064.16	D	—	—	(F2) Shares were withheld by the issuer to cover withholding taxes on issuance of performance shares. Organization and Executive Compensation Committee certification of the payout of these performance shares was reported on Form 4 filed on February 27, 2026.
2	Common	Common Stock	2026-03-05	S	D	0.79	$52.53	27,063.38	D	—	—	(F3) Disposition of fractional shares in connection with the transfer of whole shares between accounts directly held by the reporting person.
3	Common	Common Stock	2026-03-05	F	D	1,871	$52.53	30,064.16	D	—	—	(F1) Shares were withheld by the issuer to cover withholding taxes on issuance of shares due to vesting of restricted stock units. 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.
4	Common	Common Stock	2026-03-05	S	D	0.38	$52.53	27,063	D	—	—	(F3) Disposition of fractional shares in connection with the transfer of whole shares between accounts directly held by the reporting person.