Form 8-K

8-K — Northwest Natural Holding Co

Accession: 0001733998-26-000111

Filed: 2026-06-01

Period: 2026-05-28

CIK: 0001733998

SIC: 4924 (NATURAL GAS DISTRIBUTION)

Item: Submission of Matters to a Vote of Security Holders

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8-K — nwn-20260528.htm (Primary)

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

May 28, 2026

Date of Report (Date of earliest event reported)

NORTHWEST NATURAL HOLDING COMPANY

(Exact name of registrant as specified in its charter)

Commission file number 1-38681

Oregon 82-4710680

(State or other jurisdiction of

incorporation) (I.R.S. Employer

Identification No.)

250 S.W. Taylor Street, Portland, Oregon 97204

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (503) 226-4211

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Registrant Title of each class Trading

Symbol Name of each exchange

on which registered

Northwest Natural Holding Company Common Stock NWN New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.07 Submission of Matters to a Vote of Security Holders.

The Annual Meeting of Shareholders of Northwest Natural Holding Company (Company) was held on May 28, 2026. At the meeting, shareholders voted on the following items:

Proposal 1: The following three Class III nominees were elected to serve on the Board of Directors until the 2029 Annual Meeting, or until their successors have been duly qualified and elected:

BROKER

NOMINEE FOR WITHHELD NON-VOTES

David H. Anderson 31,341,086 735,755 4,825,845

Peter J. Bragdon 31,678,027 398,814 4,825,845

Nathan I. Partain 31,099,946 976,895 4,825,845

Proposal 2: The non-binding advisory vote on compensation of the Named Executive Officers was approved.

FOR

30,964,481

AGAINST

911,720

ABSTAIN

200,640

BROKER

NON-VOTES

4,825,845

Proposal 3: The appointment of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm for fiscal year 2026 was ratified.

FOR

35,733,652

AGAINST

1,056,147

ABSTAIN

112,887

BROKER

NON-VOTES

N/A

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NORTHWEST NATURAL HOLDING COMPANY

(Registrant)

Dated: June 1, 2026 /s/ Megan H. Berge

Senior Vice President, General Counsel, Chief Compliance Officer and Corporate Secretary

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Entity Incorporation, State or Country Code

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