Northwest Natural Holding NWN SEC Filings

NYSE NWN
$47.18 -0.20 (-0.42%)
As of: Oct 5, 2026 · 3:59 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
18-KCurrent Report0001733998-26-000145Sep 23, 2026 11:28 PM
24Insider Transaction0001733998-26-000143Sep 21, 2026 10:57 PM
34Insider Transaction0001733998-26-000141Sep 3, 2026 9:37 PM
44Insider Transaction0001733998-26-000139Sep 3, 2026 9:36 PM
58-KCurrent Report0001733998-26-000137Sep 3, 2026 8:06 PM
64Insider Transaction0001733998-26-000135Aug 18, 2026 11:44 PM
74Insider Transaction0001733998-26-000133Aug 7, 2026 10:56 PM
84Insider Transaction0001733998-26-000131Aug 7, 2026 10:53 PM
94Insider Transaction0001733998-26-000129Aug 7, 2026 10:50 PM
1010-QQuarterly & Annual Report0001733998-26-000127Aug 5, 2026 5:41 PM
118-KCurrent Report0001733998-26-000125Aug 5, 2026 10:32 PM
128-KCurrent Report0001733998-26-000123Jul 31, 2026 8:11 PM
134Insider Transaction0001733998-26-000121Jul 21, 2026 8:03 PM
144Insider Transaction0001733998-26-000119Jun 29, 2026 10:26 PM
15144Insider Transaction0001949846-26-000414Jun 26, 2026 3:29 PM
1611-KOthers0001733998-26-000117Jun 25, 2026 9:23 PM
178-KCurrent Report0001733998-26-000114Jun 5, 2026 10:23 PM
188-KCurrent Report0001733998-26-000111Jun 1, 2026 8:21 PM
194Insider Transaction0001733998-26-000109May 29, 2026 11:27 PM
204Insider Transaction0001733998-26-000107May 29, 2026 11:26 PM
214Insider Transaction0001733998-26-000105May 29, 2026 11:24 PM
224Insider Transaction0001733998-26-000103May 29, 2026 11:23 PM
234Insider Transaction0001733998-26-000101May 29, 2026 11:22 PM
244Insider Transaction0001733998-26-000099May 13, 2026 10:53 PM
25SCHEDULE 13GBeneficial Ownership Report0000093751-26-000275May 12, 2026 3:43 PM
264Insider Transaction0001733998-26-000097May 11, 2026 11:03 PM
274Insider Transaction0001733998-26-000097May 11, 2026 11:03 PM
284Insider Transaction0001733998-26-000097May 11, 2026 11:03 PM
294Insider Transaction0001733998-26-000095May 11, 2026 11:02 PM
304Insider Transaction0001733998-26-000095May 11, 2026 11:02 PM
314Insider Transaction0001733998-26-000095May 11, 2026 11:02 PM
324Insider Transaction0001733998-26-000093May 11, 2026 11:02 PM
334Insider Transaction0001733998-26-000093May 11, 2026 11:02 PM
344Insider Transaction0001733998-26-000093May 11, 2026 11:02 PM
354Insider Transaction0001733998-26-000091May 11, 2026 11:00 PM
364Insider Transaction0001733998-26-000091May 11, 2026 11:00 PM
374Insider Transaction0001733998-26-000091May 11, 2026 11:00 PM
384Insider Transaction0001733998-26-000089May 7, 2026 10:12 PM
394Insider Transaction0001733998-26-000089May 7, 2026 10:12 PM
4010-QQuarterly & Annual Report0001733998-26-000087May 6, 2026 8:11 PM
4110-QQuarterly & Annual Report0001733998-26-000087May 6, 2026 8:11 PM
428-KCurrent Report0001733998-26-000085May 6, 2026 9:42 PM
438-KCurrent Report0001733998-26-000085May 6, 2026 9:42 PM
44SCHEDULE 13GBeneficial Ownership Report0002100119-26-000806Apr 30, 2026 11:34 AM
45SCHEDULE 13GBeneficial Ownership Report0002100121-26-000600Apr 29, 2026 6:45 PM
46SCHEDULE 13GBeneficial Ownership Report0002012383-26-001461Apr 24, 2026 8:11 PM
47ARSOthers0001193125-26-161086Apr 17, 2026 6:04 PM
48DEF 14AOthers0001193125-26-161075Apr 17, 2026 6:02 PM
49SCHEDULE 13GBeneficial Ownership Report0000102909-26-001982Mar 27, 2026 3:07 PM
504Insider Transaction0001733998-26-000083Mar 25, 2026 10:50 PM
...

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