{"schema_version":"secwatch.filing_event.v1","accession":"0001733998-26-000137","form_type":"8-K","ticker":"NWN","cik":"0001733998","company_name":"Northwest Natural Holding Co","filed_at":"2026-09-03T20:06:23+00:00","discovered_at":"2026-09-03T20:07:18.108935+00:00","generated_at":"2026-09-03T20:07:22.788272+00:00","sec_items":["2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"NW Natural issues $120M in First Mortgage Bonds: $60M at 5.62% due 2036, $60M at 6.26% due 2056","bullets":["$60M of 5.62% First Mortgage Bonds due Sept 3, 2036; $60M of 6.26% bonds due Sept 3, 2056.","Interest payable semi-annually on March 3 and Sept 3, starting March 3, 2027.","Bonds redeemable at NW Natural's option with make-whole premium before June 3, 2036 / March 3, 2056.","Issued to institutional investors under Section 4(a)(2) exemption; trustee Deutsche Bank Trust Company Americas."],"urls":{"canonical":"https://secwatch.observer/filing/0001733998-26-000137","json":"https://secwatch.observer/filing/0001733998-26-000137.json","markdown":"https://secwatch.observer/filing/0001733998-26-000137.md","text":"https://secwatch.observer/filing/0001733998-26-000137.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1733998/000173399826000137/0001733998-26-000137-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/73020/000173399826000137/nwn-20260903.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-03T20:07:22.788272+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}