Company filings profile · CIK 0001733998

Northwest Natural Holding Co — SEC filings & insider activity.

Real, source-linked SEC EDGAR activity for Northwest Natural Holding Co (NWN): 20 filings in the last 90 days vs 46 in the prior 90 (filing-velocity cooling ↓ · 0.43×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.

✔ Verified against the public SEC EDGAR filing record as of Aug 5, 2026. Source-linked, daily-refreshed.

Material 8-K events — Northwest Natural Holding Co

8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).

FiledEvent
Aug 5, 2026Results of Operations (earnings); Financial Statements and Exhibits
Jul 31, 2026Other Events
Jun 5, 2026Entry into a Material Agreement; Material Direct Financial Obligation; Other Events; Financial Statements and Exhibits
Jun 1, 2026Item 5.07
May 6, 2026Results of Operations (earnings); Financial Statements and Exhibits
Mar 24, 2026Other Events

Watch Northwest Natural Holding Co automatically

Add this company to a watchlist and get a webhook/email the moment it files a material 8-K, an insider Form 4, or changes its risk-factor language.

Insider transactions (Form 4 / 3 / 5)

FiledForm
Jul 21, 20264
Jun 29, 20264
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May 11, 20264
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Recent filings

FiledFormDetail
Aug 5, 202610-Q 10-Q
Aug 5, 20268-K Results of Operations (earnings); Financial Statements and Exhibits
Jul 31, 20268-K Other Events
Jul 21, 20264 FORM 4
Jun 29, 20264 FORM 4
Jun 26, 2026144
Jun 25, 202611-K 11-K
Jun 5, 20268-K Entry into a Material Agreement; Material Direct Financial Obligation; Other Events; Financial Statements and Exhibits
Jun 1, 20268-K Item 5.07
May 29, 20264 FORM 4
May 29, 20264 FORM 4
May 29, 20264 FORM 4
May 29, 20264 FORM 4
May 29, 20264 FORM 4
May 13, 20264 FORM 4
May 12, 2026SCHEDULE 13G
May 11, 20264 FORM 4
May 11, 20264 FORM 4
May 11, 20264 FORM 4
May 11, 20264 FORM 4
May 7, 20264 FORM 4
May 6, 202610-Q 10-Q
May 6, 20268-K Results of Operations (earnings); Financial Statements and Exhibits
Apr 30, 2026SCHEDULE 13G
Apr 29, 2026SCHEDULE 13G
Apr 24, 2026SCHEDULE 13G/A
Apr 17, 2026ARS ARS
Apr 17, 2026DEF 14A DEF 14A
Mar 27, 2026SCHEDULE 13G/A
Mar 25, 20264 FORM 4
Mar 24, 20268-K Other Events
Mar 23, 2026144
Mar 23, 2026144
Mar 9, 20264 FORM 4
Mar 9, 20264 FORM 4
Mar 9, 20264 FORM 4
Mar 9, 20264 FORM 4
Mar 9, 20264 FORM 4
Mar 9, 20264 FORM 4
Mar 9, 20264 FORM 4