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 |
|---|---|---|---|---|
| EFFECT | — | 9999999995-18-000849 | Apr 18, 2018 | — |
| 424B3 | 424B3 | 0001193125-18-120866 | Apr 18, 2018 | — |
| CORRESP | — | 0001193125-18-117187 | Apr 13, 2018 | — |
| UPLOAD | — | 0000000000-18-008419 | Mar 19, 2018 | — |
| S-4 | S-4 | 0001193125-18-077265 | Mar 9, 2018 | — |