{"schema_version":"secwatch.filing_event.v1","accession":"0001993004-25-000096","form_type":"8-K","ticker":"NWE","cik":"0001993004","company_name":"NorthWestern Energy Group, Inc.","filed_at":"2025-05-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.651583+00:00","generated_at":"2026-05-22T09:24:41.962817+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"NorthWestern Energy subsidiary issues $100M in 5.49% first mortgage bonds due 2035","bullets":["NWE Public Service issued $100M South Dakota First Mortgage Bonds at 5.49%, maturing May 1, 2035.","Bonds rank equally with all current and future first mortgage lien debt.","Issued under Twenty-second Supplemental Indenture with Bank of New York Mellon as trustee.","Proceeds used for general corporate purposes; redemption at make-whole price prior to maturity."],"urls":{"canonical":"https://secwatch.observer/filing/0001993004-25-000096","json":"https://secwatch.observer/filing/0001993004-25-000096.json","markdown":"https://secwatch.observer/filing/0001993004-25-000096.md","text":"https://secwatch.observer/filing/0001993004-25-000096.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1993004/000199300425000096/0001993004-25-000096-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1993004/000199300425000096/nwe-20250501.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-22T09:24:41.962817+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"}