| Filed On | Filing |
|---|---|
| 23 Sep 2026 |
8-K: Regulation FD Disclosure; Other Events
PORTLAND, Ore., Sept. 23, 2026 – NW Natural Holding Company (NYSE: NWN) announced today that its wholly owned subsidiaries SiEnergy Gas, LLC and its gas distribution affiliates (together SiEnergy) reached a settlement with key parties in... |
| 03 Sep 2026 |
8-K: Creation of a Direct Financial Obligation
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| 05 Aug 2026 |
8-K: Results of Operations and Financial Condition
PORTLAND, ORE. — Northwest Natural Holding Company (NYSE: NWN) (NW Natural Holdings or the Company) reported financial results and highlights including: |
| 31 Jul 2026 |
8-K: Other Events
As previously disclosed, on August 29, 2025, Northwest Natural Gas Company (NW Natural), a wholly owned subsidiary of Northwest Natural Holding Company (NW Holdings), filed a request for a general rate increase (Rate Case) with the Washi... |
| 05 Jun 2026 | 8-K: Entry into a Material Definitive Agreement; Creation of a Direct Financial Obligation +1 more |
| 01 Jun 2026 | 8-K: Submission of Matters to a Vote of Security Holders |
| 06 May 2026 |
8-K: Results of Operations and Financial Condition
PORTLAND, ORE. — Northwest Natural Holding Company (NYSE: NWN) (NW Natural Holdings or the Company) reported financial results and highlights including: |
| 24 Mar 2026 |
8-K: Other Events
As previously disclosed, on August 29, 2025, Northwest Natural Gas Company (NW Natural), a wholly owned subsidiary of Northwest Natural Holding Company (NW Holdings), filed a request for a general rate increase (Rate Case) with the Washi... |
| 27 Feb 2026 |
8-K: Results of Operations and Financial Condition
PORTLAND, ORE. — Northwest Natural Holding Company (NYSE: NWN) (NW Natural Holdings) reported financial results and highlights including: |
| 16 Dec 2025 |
8-K: Creation of a Direct Financial Obligation
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| 15 Dec 2025 |
8-K: Departure/Election of Directors or Officers; Compensation; Regulation FD Disclosure
PORTLAND, Ore. – MardiLyn Saathoff, General Counsel for NW Natural Holding Company (NYSE: NWN) (NW Natural Holdings) announced her intent to retire on April 1, 2026, after nearly 18 years of outstanding service to the company. The Board ... |
| 05 Nov 2025 |
8-K: Results of Operations and Financial Condition
PORTLAND, ORE. — Northwest Natural Holding Company (NYSE: NWN) (NW Natural Holdings) reported financial results and highlights including: |
| 28 Oct 2025 |
8-K: Other Events
As previously disclosed, on December 30, 2024, Northwest Natural Gas Company (NW Natural), a wholly owned subsidiary of Northwest Natural Holding Company (NW Holdings), filed a request for a general rate case (Rate Case) with the Public ... |
| 02 Sep 2025 |
8-K: Other Events
On August 29, 2025, Northwest Natural Gas Company (NW Natural), a wholly owned subsidiary of Northwest Natural Holding Company (NW Holdings), filed a request for a general rate increase with the Washington Utilities and Transportation Co... |
| 26 Aug 2025 | 8-K: Other Events |
| 05 Aug 2025 |
8-K: Results of Operations and Financial Condition
PORTLAND, ORE. — Northwest Natural Holding Company (NYSE: NWN) (NW Natural Holdings) reported financial results and highlights including: |
| 25 Jul 2025 | 8-K: Amendments to Articles/Bylaws; Change in Fiscal Year |
| 03 Jul 2025 | 8-K: Departure/Election of Directors or Officers; Compensation; Regulation FD Disclosure |
| 24 Jun 2025 |
8-K: Other Events
As previously disclosed, on December 30, 2024, Northwest Natural Gas Company (NW Natural), a wholly owned subsidiary of Northwest Natural Holding Company (NW Holdings), filed a request for a general rate case (Rate Case) with the Public ... |
| 27 May 2025 | 8-K: Departure/Election of Directors or Officers; Compensation; Submission of Matters to a Vote of Security Holders |
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