Northwest Natural Holding Co — SCHEDULE 13G/A Filings
2 SCHEDULE 13G/A filings on record
This page lists all SCHEDULE 13G/A 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 2 SCHEDULE 13G/A 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 |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001982 | Mar 27, 2026 | — |
| SCHEDULE 13G/A | — | 0002052113-25-001950 | Apr 30, 2025 | — |