BLACK HILLS CORP /SD/

BKH - CIK 0001130464

Market cap$5.60 B

Rank#1316

SEC filings3,087

BLACK HILLS CORP /SD/ has filed 3,087 documents with the SEC between 2000 and 2026. The most frequent type is insider trade (2,124 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.

Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.