MardiLyn Saathoff - 05 Mar 2026 Form 4 Insider Report for Northwest Natural Holding Co (NWN)

Reporting relationship: Chief Legal Officer & SVP, Reg
Issuer ticker: NWN
Reported as of: 05 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 09 Mar 2026, 17:32:12 UTC
Prior SEC filing: 27 Feb 2026
Source filing: View source filing
Reporting owner signature: Molly J. Wilcox, Attorney-in-Fact

Key filing fact

MardiLyn Saathoff filed Form 4 for Northwest Natural Holding Co (NWN) on 09 Mar 2026.

Key facts

This page summarizes MardiLyn Saathoff's Form 4 filing for Northwest Natural Holding Co (NWN).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 09 Mar 2026, 17:32.

Change

Previous filing in this sequence was filed on 27 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001445672 Primary reporting owner

Saathoff MardiLyn

Relationship: Chief Legal Officer & SVP, Reg
Address: 250 SW TAYLOR ST, PORTLAND
Signature: Molly J. Wilcox, Attorney-in-Fact
Signature date: 09 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NWN transaction

Common Stock

Tax liability

Transaction value
Shares: -2,095
Change %: -5.2%
Price: $52.53^*
Shares after: 38,445
Date: 05 Mar 2026
Ownership: Direct
Footnotes: F1

NWN transaction

Common Stock

Tax liability

Transaction value
Shares: -3,747
Change %: -9.7%
Price: $52.53^*
Shares after: 34,698
Date: 05 Mar 2026
Ownership: Direct
Footnotes: F2

NWN holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 16,161
Date: 05 Mar 2026
Ownership: See Footnote
Footnotes: F3

NWN holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 693
Date: 05 Mar 2026
Ownership: See Footnote
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote 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.

Footnote 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.

Footnote F3

Shares have been credited to the reporting persons account under the Northwest Natural Gas Company Deferred Compensation Plan for Directors and Executives.

Footnote F4

Shares held in the reporting persons account under the Northwest Natural Retirement K Savings Plan as of February 28, 2026.