Northwest Natural Holding Co — 144 Filings
9 144 filings on record
This page lists all 144 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 9 144 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 |
|---|---|---|---|---|
| 144 | — | 0001959173-26-002574 | Mar 23, 2026 | — |
| 144 | — | 0001959173-26-002571 | Mar 23, 2026 | — |
| 144 | — | 0001949846-25-000535 | Oct 20, 2025 | — |
| 144 | — | 0001949846-25-000321 | Jul 21, 2025 | — |
| 144 | — | 0001733998-25-000084 | Mar 31, 2025 | — |
| 144 | — | 0001949846-25-000147 | Mar 24, 2025 | — |
| 144 | — | 0001949846-24-000831 | Dec 20, 2024 | — |
| 144 | — | 0001733998-23-000057 | Aug 8, 2023 | — |
| 144 | — | 0001733998-23-000028 | May 23, 2023 | — |