{"schema_version":"secwatch.filing_event.v1","accession":"0001130464-21-000032","form_type":"8-K","ticker":"BKH","cik":"0001130464","company_name":"BLACK HILLS CORP /SD/","filed_at":"2021-09-17T23:59:59+00:00","discovered_at":"2026-05-14T18:04:17.235087+00:00","generated_at":"2026-06-29T02:52:47.424087+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Black Hills SVP Stuart Wevik to retire summer 2022 after 36 years","bullets":["Stuart A. Wevik, Senior Vice President – Utility Operations, submitted retirement notice on Sept 15, 2021.","He intends to remain with the company until summer 2022 to ensure smooth transition.","No successor has been announced as of the filing date.","Wevik has served the company for 36 years."],"urls":{"canonical":"https://secwatch.observer/filing/0001130464-21-000032","json":"https://secwatch.observer/filing/0001130464-21-000032.json","markdown":"https://secwatch.observer/filing/0001130464-21-000032.md","text":"https://secwatch.observer/filing/0001130464-21-000032.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1130464/000113046421000032/0001130464-21-000032-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1130464/000113046421000032/bkh-20210915.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T02:52:47.424087+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":"907c036bd2","claim":"Stuart A. Wevik retired as Senior Vice President – Utility Operations at BLACK HILLS CORP /SD/.","evidence_excerpt":"On September 15, 2021, Stuart A. Wevik, Senior Vice Present – Utility Operations, of Black Hills Corporation, submitted notice of his intention to retire after 36 years of service to the company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1130464/000113046421000032/0001130464-21-000032-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"Senior Vice President – Utility Operations"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}