Form 8-K - Current report:
SEC Accession No. 0001733998-25-000142
Filing Date
2025-08-26
Accepted
2025-08-25 17:33:31
Documents
13
Period of Report
2025-08-25
Items
Item 8.01: Other Events

Document Format Files

Seq Description Document Type Size
1 8-K nwn-20250825.htm   iXBRL 8-K 32065
5 nwn-20250825_g1.jpg GRAPHIC 6027
  Complete submission text file 0001733998-25-000142.txt   168332

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwn-20250825.xsd EX-101.SCH 2155
3 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwn-20250825_lab.xml EX-101.LAB 22389
4 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwn-20250825_pre.xml EX-101.PRE 13130
15 EXTRACTED XBRL INSTANCE DOCUMENT nwn-20250825_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.: 251252043
SIC: 4924 Natural Gas Distribution
(CF Office: 01 Energy & Transportation)