{"schema_version":"secwatch.filing_event.v1","accession":"0000067716-25-000095","form_type":"8-K","ticker":"MDU","cik":"0000067716","company_name":"MDU RESOURCES GROUP INC","filed_at":"2025-12-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:41.922335+00:00","generated_at":"2026-05-16T13:25:33.486789+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.35,"confidence":"high","headline":"MDU Resources extends revolving credit maturity to Dec 2030; terms largely unchanged","bullets":["Maturity extended from May 2028 to December 11, 2030 under amended $200M credit facility.","Outstanding borrowings of $33.85M and $1M in letters of credit as of December 11, 2025.","Facility includes $25M standby LC subfacility, $25M swingline, and potential $50M accordion.","Financial covenant limits funded debt to total capitalization to 65%.","Facility fee currently 0.175% of commitment, interest rate based on debt rating."],"urls":{"canonical":"https://secwatch.observer/filing/0000067716-25-000095","json":"https://secwatch.observer/filing/0000067716-25-000095.json","markdown":"https://secwatch.observer/filing/0000067716-25-000095.md","text":"https://secwatch.observer/filing/0000067716-25-000095.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000095/0000067716-25-000095-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000095/mdu-20251211.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T13:25:33.486789+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"}