Northwest Natural Holding Co — All Filings
610 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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 |
|---|---|---|---|---|
| 4 | FORM 4 | 0001733998-25-000170 | Oct 22, 2025 | Oct 20, 2025 |
| 144 | — | 0001949846-25-000535 | Oct 20, 2025 | — |
| 4 | FORM 4 | 0001733998-25-000168 | Oct 16, 2025 | Oct 15, 2025 |
| 4 | FORM 4 | 0001733998-25-000166 | Oct 14, 2025 | Oct 10, 2025 |
| 4 | FORM 4 | 0001733998-25-000164 | Oct 2, 2025 | Oct 1, 2025 |
| 4 | FORM 4 | 0001733998-25-000158 | Oct 2, 2025 | Sep 30, 2025 |
| 4 | FORM 4 | 0001733998-25-000161 | Oct 2, 2025 | Oct 1, 2025 |
| 4 | FORM 4 | 0001733998-25-000156 | Sep 19, 2025 | Sep 18, 2025 |
| 3 | FORM 3 | 0001733998-25-000154 | Sep 15, 2025 | Sep 8, 2025 |
| 4 | FORM 4 | 0001733998-25-000149 | Sep 4, 2025 | Sep 2, 2025 |
| 4 | FORM 4 | 0001733998-25-000151 | Sep 4, 2025 | Sep 2, 2025 |
| 8-K | 8-K | 0001733998-25-000144 | Sep 2, 2025 | Aug 29, 2025 |
| 8-K | 8-K | 0001733998-25-000142 | Aug 26, 2025 | Aug 25, 2025 |
| 4 | FORM 4 | 0001733998-25-000140 | Aug 20, 2025 | Aug 19, 2025 |
| 4 | — | 0001733998-25-000134 | Aug 7, 2025 | Aug 6, 2025 |
| 4 | — | 0001733998-25-000136 | Aug 7, 2025 | Aug 6, 2025 |
| 4 | — | 0001733998-25-000138 | Aug 7, 2025 | Aug 6, 2025 |
| 10-Q | 10-Q | 0001733998-25-000132 | Aug 5, 2025 | Jun 30, 2025 |
| 8-K | 8-K | 0001733998-25-000130 | Aug 5, 2025 | — |
| 8-K | 8-K | 0001733998-25-000125 | Jul 25, 2025 | Jul 23, 2025 |
| 4 | — | 0001733998-25-000121 | Jul 22, 2025 | Jul 21, 2025 |
| 144 | — | 0001949846-25-000321 | Jul 21, 2025 | — |
| 3 | — | 0001733998-25-000119 | Jul 18, 2025 | Jul 12, 2025 |
| 8-K | 8-K | 0001733998-25-000117 | Jul 3, 2025 | Jun 30, 2025 |
| 11-K | 11-K | 0001733998-25-000115 | Jun 26, 2025 | Dec 31, 2024 |
| 8-K | 8-K | 0001733998-25-000111 | Jun 24, 2025 | Jun 23, 2025 |
| 4 | — | 0001733998-25-000113 | Jun 24, 2025 | Jun 20, 2025 |
| 8-K | 8-K | 0001733998-25-000108 | May 27, 2025 | May 22, 2025 |
| 4 | — | 0001733998-25-000106 | May 23, 2025 | May 21, 2025 |
| 4 | — | 0001733998-25-000099 | May 9, 2025 | May 7, 2025 |
| 4 | — | 0001733998-25-000101 | May 9, 2025 | May 7, 2025 |
| 4 | — | 0001733998-25-000097 | May 9, 2025 | May 7, 2025 |
| 4 | — | 0001733998-25-000103 | May 9, 2025 | May 7, 2025 |
| 10-Q | 10-Q | 0001733998-25-000094 | May 6, 2025 | Mar 31, 2025 |
| 8-K | 8-K | 0001733998-25-000091 | May 6, 2025 | — |
| SCHEDULE 13G/A | — | 0002052113-25-001950 | Apr 30, 2025 | — |
| 4 | — | 0001733998-25-000088 | Apr 23, 2025 | Apr 21, 2025 |
| ARS | ARS | 0001193125-25-077786 | Apr 10, 2025 | Dec 31, 2024 |
| DEF 14A | DEF 14A | 0001193125-25-077782 | Apr 10, 2025 | May 22, 2025 |
| 4 | — | 0001733998-25-000086 | Apr 1, 2025 | Mar 31, 2025 |
| 144 | — | 0001733998-25-000084 | Mar 31, 2025 | — |
| 4/A | — | 0001733998-25-000080 | Mar 26, 2025 | Feb 26, 2025 |
| 4 | — | 0001733998-25-000082 | Mar 26, 2025 | Mar 24, 2025 |
| 144 | — | 0001949846-25-000147 | Mar 24, 2025 | — |
| 8-K | 8-K | 0001733998-25-000078 | Mar 18, 2025 | — |
| 424B5 | 424B5 | 0001193125-25-054581 | Mar 14, 2025 | — |
| 424B3 | 424B3 | 0001193125-25-052592 | Mar 12, 2025 | — |
| 305B2 | 305B2 | 0001193125-25-052599 | Mar 12, 2025 | — |
| FWP | FWP | 0001193125-25-052953 | Mar 12, 2025 | — |
| 4 | — | 0001733998-25-000074 | Mar 7, 2025 | Mar 5, 2025 |