Companies: 10,795·Total market cap: $144.5T
Northwest Natural Holding Company

Northwest Natural Holding Company

NWNNYSEUtilities● Active
$49.78
+$0.89(+1.82%)
Market Cap$2.1B
P/E Ratio
52W High$55.99
52W Low$39.25
SEC Filings

Northwest Natural Holding Company (NWN) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0001733998 · NWN · NYSE · as of Jun 8, 2026

Filing snapshot

631
Total Filings
8-K
Latest Form
2026-06-05
Most Recent
1990
Filing Since

Source: SEC EDGAR (data.sec.gov) · CIK 0001733998 · Updated hourly · Not investment advice

Latest Annual Report

10-K · Annual ReportFY
Filed Date
2026-02-27
Fiscal Year End
Feb 27, 2026
Accession No.
0001733998-26-000012
Primary Document
nwn-20251231.htm
Source: data.sec.gov · CIK 0001733998 · Accession 0001733998-26-000012

Latest Key Filings

10-QQuarterly Report
10-Q
2026-05-06
8-KCurrent Report
8-K
2026-06-05Material Event
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

SEC Filing History

Hide Form 4 / 144
8-KCurrent Report
8-K
2026-06-05
View
8-KCurrent Report
8-K
2026-06-01
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-05-12
View
10-QQuarterly Report
10-Q
2026-05-06
View
8-KCurrent Report
8-K
2026-05-06
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-04-30
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-04-29
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-04-24
View
ARSARS
ARS
2026-04-17
View
DEF 14AProxy Statement
DEF 14A
2026-04-17
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-03-27
View
8-KCurrent Report
8-K
2026-03-24
View
S-8Employee Stock Plan Registration
S-8
2026-02-27
View
10-KAnnual Report
10-K
2026-02-27
View
8-KCurrent Report
8-K
2026-02-27
View
Showing 1–15 of 244 filingsForm 4 / 144 hidden· 631 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0001733998  |  Exchange: NYSE · Utilities

Northwest Natural Holding Company (NYSE: NWN) has submitted 631 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 1990. As a Utilities sector company with CIK 0001733998, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Northwest Natural Holding Company's most comprehensive regulatory disclosure. The most recent Northwest Natural Holding Company 10-K was filed on 2026-02-27 for fiscal year ending 2026. Historical NWN 10-K annual reports are available from 2018 through 2026.

Investors researching Northwest Natural Holding Company SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-08

Frequently Asked Questions

NWN SEC Filings · 8 questions

Northwest Natural Holding Company (NWN) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 631 filings and access original documents at no cost. Northwest Natural Holding Company's CIK is 0001733998.

NWN SEC filingsNorthwest Natural Holding Company SEC documentsfind NWN 10-K