Northwest Natural Holding NWN SEC Filings

NYSE NWN
$49.88 -0.04 (-0.08%)
At close: Oct 23, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Northwest Natural Holding Co (NWN) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
14Insider Transaction0001733998-26-000149Oct 21, 2026 12:12 AM
2144Insider Transaction0001949846-26-000616Oct 19, 2026 6:13 PM
34Insider Transaction0001733998-26-000147Oct 2, 2026 2:43 AM
48-KCurrent Report0001733998-26-000145Sep 23, 2026 11:28 PM
54Insider Transaction0001733998-26-000143Sep 21, 2026 10:57 PM
64Insider Transaction0001733998-26-000141Sep 3, 2026 9:37 PM
74Insider Transaction0001733998-26-000139Sep 3, 2026 9:36 PM
88-KCurrent Report0001733998-26-000137Sep 3, 2026 8:06 PM
94Insider Transaction0001733998-26-000135Aug 18, 2026 11:44 PM
104Insider Transaction0001733998-26-000133Aug 7, 2026 10:56 PM
114Insider Transaction0001733998-26-000131Aug 7, 2026 10:53 PM
124Insider Transaction0001733998-26-000129Aug 7, 2026 10:50 PM
1310-QQuarterly & Annual Report0001733998-26-000127Aug 5, 2026 5:41 PM
148-KCurrent Report0001733998-26-000125Aug 5, 2026 10:32 PM
158-KCurrent Report0001733998-26-000123Jul 31, 2026 8:11 PM
164Insider Transaction0001733998-26-000121Jul 21, 2026 8:03 PM
174Insider Transaction0001733998-26-000119Jun 29, 2026 10:26 PM
18144Insider Transaction0001949846-26-000414Jun 26, 2026 3:29 PM
1911-KOthers0001733998-26-000117Jun 25, 2026 9:23 PM
208-KCurrent Report0001733998-26-000114Jun 5, 2026 10:23 PM
218-KCurrent Report0001733998-26-000111Jun 1, 2026 8:21 PM
224Insider Transaction0001733998-26-000109May 29, 2026 11:27 PM
234Insider Transaction0001733998-26-000107May 29, 2026 11:26 PM
244Insider Transaction0001733998-26-000105May 29, 2026 11:24 PM
254Insider Transaction0001733998-26-000103May 29, 2026 11:23 PM
264Insider Transaction0001733998-26-000101May 29, 2026 11:22 PM
274Insider Transaction0001733998-26-000099May 13, 2026 10:53 PM
28SCHEDULE 13GBeneficial Ownership Report0000093751-26-000275May 12, 2026 3:43 PM
294Insider Transaction0001733998-26-000097May 11, 2026 11:03 PM
304Insider Transaction0001733998-26-000097May 11, 2026 11:03 PM
314Insider Transaction0001733998-26-000097May 11, 2026 11:03 PM
324Insider Transaction0001733998-26-000095May 11, 2026 11:02 PM
334Insider Transaction0001733998-26-000095May 11, 2026 11:02 PM
344Insider Transaction0001733998-26-000095May 11, 2026 11:02 PM
354Insider Transaction0001733998-26-000093May 11, 2026 11:02 PM
364Insider Transaction0001733998-26-000093May 11, 2026 11:02 PM
374Insider Transaction0001733998-26-000093May 11, 2026 11:02 PM
384Insider Transaction0001733998-26-000091May 11, 2026 11:00 PM
394Insider Transaction0001733998-26-000091May 11, 2026 11:00 PM
404Insider Transaction0001733998-26-000091May 11, 2026 11:00 PM
414Insider Transaction0001733998-26-000089May 7, 2026 10:12 PM
424Insider Transaction0001733998-26-000089May 7, 2026 10:12 PM
4310-QQuarterly & Annual Report0001733998-26-000087May 6, 2026 8:11 PM
4410-QQuarterly & Annual Report0001733998-26-000087May 6, 2026 8:11 PM
458-KCurrent Report0001733998-26-000085May 6, 2026 9:42 PM
468-KCurrent Report0001733998-26-000085May 6, 2026 9:42 PM
47SCHEDULE 13GBeneficial Ownership Report0002100119-26-000806Apr 30, 2026 11:34 AM
48SCHEDULE 13GBeneficial Ownership Report0002100121-26-000600Apr 29, 2026 6:45 PM
49SCHEDULE 13GBeneficial Ownership Report0002012383-26-001461Apr 24, 2026 8:11 PM
50ARSOthers0001193125-26-161086Apr 17, 2026 6:04 PM
...

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