Northwest Natural Holding Co — 10-K Filings
8 10-K filings on record
This page lists all 10-K filings submitted to the SEC by Northwest Natural Holding Co (NWN), sorted by most recent first. Each row links to the full filing on EdgarLookup. Northwest Natural Holding Co has filed 8 10-K documents with the SEC since 2018. To view all SEC filings by Northwest Natural Holding Co, see the full filings list.
All
10-K
10-Q
11-K
144
3
305B2
4
4/A
424B2
424B3
424B5
5
8-K
8-K12B
ARS
CORRESP
DEF 14A
EFFECT
FWP
S-3ASR
S-4
S-8
S-8 POS
SC 13G
SC 13G/A
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 10-K | 10-K | 0001733998-26-000012 | Feb 27, 2026 | Dec 31, 2025 |
| 10-K | 10-K | 0001733998-25-000020 | Feb 28, 2025 | Dec 31, 2024 |
| 10-K | 10-K | 0001733998-24-000011 | Feb 23, 2024 | Dec 31, 2023 |
| 10-K | 10-K | 0001733998-23-000009 | Feb 24, 2023 | Dec 31, 2022 |
| 10-K | 10-K | 0001733998-22-000005 | Feb 25, 2022 | Dec 31, 2021 |
| 10-K | 10-K | 0001733998-21-000006 | Feb 26, 2021 | Dec 31, 2020 |
| 10-K | 10-K | 0001733998-20-000006 | Mar 2, 2020 | Dec 31, 2019 |
| 10-K | 10-K | 0001733998-19-000004 | Mar 1, 2019 | Dec 31, 2018 |