https://www.developersdigest.tech/markets/bkh/filings Latest company filings for BLACK HILLS CORP /SD/ (BKH) - annual reports, quarterly reports, major events, and insider trades, newest first. en Mon, 13 Jul 2026 02:52:45 GMT https://www.sec.gov/Archives/edgar/data/1130464/000110465926063508/tm2614724-3_424b5.htm 0001104659-26-063508 Tue, 19 May 2026 12:00:00 GMT 424B5 https://www.sec.gov/Archives/edgar/data/1130464/000110465926063475/tm2614724-1_s3asr.htm 0001104659-26-063475 Tue, 19 May 2026 12:00:00 GMT S-3ASR https://www.sec.gov/Archives/edgar/data/1130464/000119312526226896/bkh-20260515.htm 0001193125-26-226896 Fri, 15 May 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/1130464/000009375126000212/xslSCHEDULE_13G_X02/primary_doc.xml 0000093751-26-000212 Tue, 12 May 2026 12:00:00 GMT SCHEDULE 13G https://www.sec.gov/Archives/edgar/data/1130464/000119312526211037/bkh-20260331.htm 0001193125-26-211037 Thu, 07 May 2026 12:00:00 GMT 10-Q 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