{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-101196","form_type":"8-K","ticker":"BKH","cik":"0001130464","company_name":"BLACK HILLS CORP /SD/","filed_at":"2023-09-15T23:59:59+00:00","discovered_at":"2026-05-14T18:03:33.207740+00:00","generated_at":"2026-06-10T15:59:13.573074+00:00","sec_items":["1.01","8.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Black Hills completes $450M debt offering; issues 6.150% Notes due 2034","bullets":["Issued $450M of 6.150% Notes due 2034 at 100% of principal; interest payable semi-annually.","Net proceeds to repay/retire $525M of 4.250% Notes maturing Nov 30, 2023.","Notes are unsecured senior obligations ranking equally with existing unsecured debt.","Maturity date: May 15, 2034; first interest payment due May 15, 2024.","Remaining proceeds may be used for capital expenditures, acquisitions, or general corporate purposes."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-101196","json":"https://secwatch.observer/filing/0001104659-23-101196.json","markdown":"https://secwatch.observer/filing/0001104659-23-101196.md","text":"https://secwatch.observer/filing/0001104659-23-101196.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1130464/000110465923101196/0001104659-23-101196-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1130464/000110465923101196/tm2326174d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T15:59:13.573074+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"}