Form 8-K - Current report:
SEC Accession No. 0001733998-25-000125
Filing Date
2025-07-25
Accepted
2025-07-25 16:35:04
Documents
14
Period of Report
2025-07-23
Items
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K nwn-20250723.htm   iXBRL 8-K 33335
2 EX-3.1 ex31northwestnaturalholdin.htm EX-3.1 108256
6 nwn-20250723_g1.jpg GRAPHIC 6027
  Complete submission text file 0001733998-25-000125.txt   306819

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwn-20250723.xsd EX-101.SCH 2155
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwn-20250723_lab.xml EX-101.LAB 23292
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwn-20250723_pre.xml EX-101.PRE 13688
16 EXTRACTED XBRL INSTANCE DOCUMENT nwn-20250723_htm.xml XML 2797
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.: 251152086
SIC: 4924 Natural Gas Distribution
(CF Office: 01 Energy & Transportation)