{"schema_version":"secwatch.filing_event.v1","accession":"0000067716-26-000005","form_type":"8-K","ticker":"MDU","cik":"0000067716","company_name":"MDU RESOURCES GROUP INC","filed_at":"2026-01-16T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.483686+00:00","generated_at":"2026-05-16T09:58:49.173715+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.45,"confidence":"high","headline":"MDU Resources subsidiary extends private shelf facility to Dec 2028; $115M capacity remains","bullets":["WBI Energy Transmission entered Amendment No.1 to its Private Shelf Agreement with PGIM/Prudential.","Issuance period for up to $350M in senior unsecured notes extended to December 22, 2028.","As of date, $115M of shelf capacity remains available for future issuance.","Proceeds to fund general corporate purposes and WBI's previously announced capex.","Structuring fee of $75,000 paid to Prudential in connection with the amendment."],"urls":{"canonical":"https://secwatch.observer/filing/0000067716-26-000005","json":"https://secwatch.observer/filing/0000067716-26-000005.json","markdown":"https://secwatch.observer/filing/0000067716-26-000005.md","text":"https://secwatch.observer/filing/0000067716-26-000005.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/67716/000006771626000005/0000067716-26-000005-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/67716/000006771626000005/mdu-20260115.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T09:58:49.173715+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"}