Northwest Natural Holding Co - NWN
All tracked SEC files for this issuer. Showing up to 200 latest records.
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Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 32
Latest filed: Oct 02, 2026
| Form | Count |
|---|---|
| 4 | 21 |
| 8-K | 7 |
| SCHEDULE 13G | 3 |
| 144 | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Oct 02, 2026 | 4 | Oct 01, 2026 | 0001733998-26-000147 | View |
| Sep 23, 2026 | 8-K | Sep 22, 2026 | 0001733998-26-000145 | View |
| Sep 21, 2026 | 4 | Sep 18, 2026 | 0001733998-26-000143 | View |
| Sep 03, 2026 | 8-K | Sep 03, 2026 | 0001733998-26-000137 | View |
| Sep 03, 2026 | 4 | Sep 01, 2026 | 0001733998-26-000141 | View |
| Sep 03, 2026 | 4 | Sep 01, 2026 | 0001733998-26-000139 | View |
| Aug 18, 2026 | 4 | Aug 18, 2026 | 0001733998-26-000135 | View |
| Aug 07, 2026 | 4 | Aug 06, 2026 | 0001733998-26-000129 | View |
| Aug 07, 2026 | 4 | Aug 06, 2026 | 0001733998-26-000131 | View |
| Aug 07, 2026 | 4 | Aug 06, 2026 | 0001733998-26-000133 | View |
| Aug 05, 2026 | 8-K | Aug 05, 2026 | 0001733998-26-000125 | View |
| Jul 31, 2026 | 8-K | Jul 29, 2026 | 0001733998-26-000123 | View |
| Jul 21, 2026 | 4 | Jul 20, 2026 | 0001733998-26-000121 | View |
| Jun 29, 2026 | 4 | Jun 26, 2026 | 0001733998-26-000119 | View |
| Jun 26, 2026 | 144 | — | 0001949846-26-000414 | View |
| Jun 05, 2026 | 8-K | Jun 04, 2026 | 0001733998-26-000114 | View |
| Jun 01, 2026 | 8-K | May 28, 2026 | 0001733998-26-000111 | View |
| May 29, 2026 | 4 | May 28, 2026 | 0001733998-26-000107 | View |
| May 29, 2026 | 4 | May 28, 2026 | 0001733998-26-000109 | View |
| May 29, 2026 | 4 | May 28, 2026 | 0001733998-26-000101 | View |
| May 29, 2026 | 4 | May 28, 2026 | 0001733998-26-000103 | View |
| May 29, 2026 | 4 | May 28, 2026 | 0001733998-26-000105 | View |
| May 13, 2026 | 4 | May 12, 2026 | 0001733998-26-000099 | View |
| May 12, 2026 | SCHEDULE 13G | — | 0000093751-26-000275 | View |
| May 11, 2026 | 4 | May 07, 2026 | 0001733998-26-000091 | View |
| May 11, 2026 | 4 | May 07, 2026 | 0001733998-26-000093 | View |
| May 11, 2026 | 4 | May 07, 2026 | 0001733998-26-000095 | View |
| May 11, 2026 | 4 | May 07, 2026 | 0001733998-26-000097 | View |
| May 07, 2026 | 4 | May 07, 2026 | 0001733998-26-000089 | View |
| May 06, 2026 | 8-K | May 06, 2026 | 0001733998-26-000085 | View |
| Apr 30, 2026 | SCHEDULE 13G | — | 0002100119-26-000806 | View |
| Apr 29, 2026 | SCHEDULE 13G | — | 0002100121-26-000600 | View |