{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-015599","form_type":"8-K","ticker":"BKH","cik":"0001130464","company_name":"BLACK HILLS CORP /SD/","filed_at":"2025-02-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:03.002470+00:00","generated_at":"2026-05-27T00:49:35.551507+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Erik Keller to resign as SVP and CIO of Black Hills Corporation","bullets":["Erik Keller announced resignation as Senior Vice President and Chief Information Officer of Black Hills Corporation on Jan 31, 2025.","Resignation is effective February 28, 2025.","Black Hills Corporation trades on the NYSE under ticker BKH."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-015599","json":"https://secwatch.observer/filing/0000950170-25-015599.json","markdown":"https://secwatch.observer/filing/0000950170-25-015599.md","text":"https://secwatch.observer/filing/0000950170-25-015599.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1130464/000095017025015599/0000950170-25-015599-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1130464/000095017025015599/bkh-20250131.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud","generated_at":"2026-05-27T00:49:35.551507+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":[{"claim_id":"aa58d9a7ef","claim":"Erik Keller resigned as Senior Vice President and Chief Information Officer at BLACK HILLS CORP /SD/.","evidence_excerpt":"On January 31, 2025, Mr. Erik Keller announced his intention to resign as Senior Vice President and Chief Information Officer of Black Hills Corporation, a South Dakota corporation (“BKH”), effective February 28, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1130464/000095017025015599/0000950170-25-015599-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Senior Vice President and Chief Information Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}