Form 8-K - Current report:
SEC Accession No. 0001733998-25-000078
Filing Date
2025-03-18
Accepted
2025-03-18 10:58:27
Documents
57
Period of Report
2025-03-18
Items
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K nwn-20250318.htm   iXBRL 8-K 41291
2 EX-1 ex1underwritingagreement.htm EX-1 169362
3 EX-4.(A) ex4aindenture.htm EX-4.(A) 300249
4 EX-4.(B) ex4bofficerscertificate.htm EX-4.(B) 94121
5 EX-4.(C) ex4cdescriptionofcommonsto.htm EX-4.(C) 31382
6 EX-5.(A) ex5a23aopinionofmsaathoff.htm EX-5.(A) 10629
7 EX-5.(B) ex5b23aopinionofmlbllp.htm EX-5.(B) 11363
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48 nwn-20250318_g1.jpg GRAPHIC 6027
  Complete submission text file 0001733998-25-000078.txt   45547100

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwn-20250318.xsd EX-101.SCH 2155
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwn-20250318_lab.xml EX-101.LAB 22389
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwn-20250318_pre.xml EX-101.PRE 13130
59 EXTRACTED XBRL INSTANCE DOCUMENT nwn-20250318_htm.xml XML 2697
Mailing Address 250 SW TAYLOR STREET PORTLAND OR 97204
Business Address 250 SW TAYLOR STREET PORTLAND OR 97204 503-226-4211
Northwest Natural Holding Co (Filer) CIK: 0001733998 (see all company filings)

EIN.: 824710680 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-38681 | Film No.: 25746905
SIC: 4924 Natural Gas Distribution
(CF Office: 01 Energy & Transportation)