Joseph S. Karney - 05 Mar 2026 Form 4 Insider Report for Northwest Natural Holding Co (NWN)

Reporting relationship: VP, Eng. & Utility Operations, NW Natural
Issuer ticker: NWN
Reported as of: 05 Mar 2026
Net transaction value: -$59.96
SEC form: 4
Accepted by SEC: 09 Mar 2026, 17:20:13 UTC
Prior SEC filing: 27 Feb 2026
Next SEC filing: 29 May 2026
Source filing: View source filing
Reporting owner signature: Molly J. Wilcox, Attorney-in-Fact

Key filing fact

Joseph S. Karney filed Form 4 for Northwest Natural Holding Co (NWN) on 09 Mar 2026.

Key facts

This page summarizes Joseph S. Karney's Form 4 filing for Northwest Natural Holding Co (NWN).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 09 Mar 2026, 17:20.

Change

Previous filing in this sequence was filed on 27 Feb 2026.
Current net transaction value: -$59.96.

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 0001972619 Primary reporting owner

Karney Joseph S

Relationship: VP, Eng. & Utility Operations, NW Natural
Address: 250 SW TAYLOR STREET, 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: -136
Change %: -2.6%
Price: $52.53^*
Shares after: 5,147
Date: 05 Mar 2026
Ownership: Direct
Footnotes: F1

NWN transaction

Common Stock

Tax liability

Transaction value
Shares: -636
Change %: -12%
Price: $52.53^*
Shares after: 4,511
Date: 05 Mar 2026
Ownership: Direct
Footnotes: F2

NWN transaction

Common Stock

Sale

Transaction value: $30.15
Shares: -1
Change %: -0.01%
Price: $52.53
Shares after: 4,511
Date: 05 Mar 2026
Ownership: Direct
Footnotes: F3

NWN transaction

Common Stock

Sale

Transaction value: $29.81
Shares: -1
Change %: -0.01%
Price: $52.53
Shares after: 4,510
Date: 05 Mar 2026
Ownership: Direct
Footnotes: F3

NWN holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 982
Date: 05 Mar 2026
Ownership: See Footnote
Footnotes: F4

NWN holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 241
Date: 05 Mar 2026
Ownership: See Footnote
Footnotes: F5

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Shares were withheld by the issuer to cover withholding taxes on issuance of shares due to vesting of 231 restricted stock units (RSUs) with a performance threshold and vesting of 54 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 54 time-based RSUs are part of 180 time-based RSUs that have been reported as shares beneficially owned by the reporting person since initially reported on the reporting persons Form 3 on April 12, 2023.

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

Disposition of fractional shares in connection with the transfer of whole shares between accounts directly held by the reporting person.

Footnote F4

Shares have been credited to the reporting persons account under the Northwest Natural Gas Company Deferred Compensation Plan for Directors and Executives. Includes 6 shares underlying time-based RSUs which vested March 1, 2026 and were deferred. The 6 time-based RSUs were part of 180 time-based RSUs that have been reported as shares beneficially owned by the reporting person since initially reported on the reporting persons Form 3 on April 12, 2023.

Footnote F5

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