Northwest Natural Holding Co SEC filings NWN
Northwest Natural Holding Co has 651 filings in SEC EDGAR's recent list, going back to Mar 9, 2018. Its latest annual report, Form ARS, was filed on Apr 17, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 5, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEF 14A | Proxy statement | Apr 17, 2026 | May 28, 2026 |
| DEF 14A | Proxy statement | Apr 10, 2025 | May 22, 2025 |
| DEF 14A | Proxy statement | Apr 11, 2024 | May 23, 2024 |
| DEF 14A | Proxy statement | Apr 13, 2023 | — |
| DEF 14A | Proxy statement | Apr 14, 2022 | May 23, 2022 |
| DEF 14A | Proxy statement | Apr 15, 2021 | May 27, 2021 |
| DEF 14A | Proxy statement | Apr 16, 2020 | May 28, 2020 |
| DEF 14A | Proxy statement | Apr 11, 2019 | May 23, 2019 |
Showing 8 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Natural Gas Distribution (SIC 4924)
- Listed as
- NWN (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- OR
- Headquarters
- Portland, OR
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1733998
Other Natural Gas Distribution companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.