{"schema_version":"secwatch.filing_event.v1","accession":"0001733998-25-000078","form_type":"8-K","ticker":"NWN","cik":"0001733998","company_name":"Northwest Natural Holding Co","filed_at":"2025-03-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.657542+00:00","generated_at":"2026-05-24T14:03:14.491159+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"NWN issues $325M junior subordinated debentures due 2055 at 7.0% initial coupon","bullets":["Issued $325M principal of junior subordinated debentures due September 15, 2055.","Initial rate 7.0% through September 15, 2035; thereafter Five-Year Treasury + 2.701%.","Company may defer interest payments for up to ten consecutive years.","Deferral of interest triggers restrictions on common stock dividends.","Sale closed March 18, 2025; underwritten public offering."],"urls":{"canonical":"https://secwatch.observer/filing/0001733998-25-000078","json":"https://secwatch.observer/filing/0001733998-25-000078.json","markdown":"https://secwatch.observer/filing/0001733998-25-000078.md","text":"https://secwatch.observer/filing/0001733998-25-000078.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000078/0001733998-25-000078-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000078/nwn-20250318.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T14:03:14.491159+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"}