{"schema_version":"secwatch.filing_event.v1","accession":"0000067716-23-000119","form_type":"8-K","ticker":"MDU","cik":"0000067716","company_name":"MDU RESOURCES GROUP INC","filed_at":"2023-11-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:31.756769+00:00","generated_at":"2026-06-07T23:01:23.642327+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"MDU Resources announces $2.8B five-year capital plan; utility spending up 44%","bullets":["Planned capital investments of $2.8B from 2024-2028, a 15% increase vs prior five years.","Regulated energy delivery spending totals $2.708B; electric and gas utilities up 44%.","Rate base for utilities expected to grow 6%-7% compounded annually over five years.","Tax-free spinoff of construction services unit expected to close in late 2024.","Pipeline business includes Wahpeton Expansion project planned for 2024."],"urls":{"canonical":"https://secwatch.observer/filing/0000067716-23-000119","json":"https://secwatch.observer/filing/0000067716-23-000119.json","markdown":"https://secwatch.observer/filing/0000067716-23-000119.md","text":"https://secwatch.observer/filing/0000067716-23-000119.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/67716/000006771623000119/0000067716-23-000119-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/67716/000006771623000119/mdu-20231121.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T23:01:23.642327+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"}