Black Hills Corp /SD/ SEC filings BKH

Black Hills Corp /SD/ has 1,002 filings in SEC EDGAR's recent list, going back to Aug 4, 2016. Its latest annual report, Form ARS, was filed on Mar 18, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations). The company's fiscal year ends on December 31.

Form Description Filed Period
DEF 14A Proxy statement Mar 18, 2026 Apr 29, 2026
DEF 14A Proxy statement Mar 14, 2025 Mar 12, 2025
DEF 14A Proxy statement Mar 15, 2024 Mar 15, 2024
DEF 14A Proxy statement Mar 15, 2023 —
DEF 14A Proxy statement Mar 17, 2022 Apr 26, 2022
DEF 14A Proxy statement Mar 18, 2021 Apr 27, 2021
DEFA14A Additional proxy material Apr 15, 2020 —
DEF 14A Proxy statement Mar 13, 2020 Apr 28, 2020
DEF 14A Proxy statement Mar 15, 2019 Dec 31, 2018
DEF 14A Proxy statement Mar 15, 2018 Mar 15, 2018
DEF 14A Proxy statement Mar 16, 2017 Dec 31, 2016

Showing 11 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

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Company profile

Industry
Electric Services (SIC 4911)
Listed as
BKH (NYSE)
Fiscal year ends
December 31
Incorporated in
SD
Headquarters
Rapid City, SD
SEC filer status
Large accelerated filer
SEC CIK
1130464
Former names
BLACK HILLS HOLDING CORP (until Dec 26, 2000)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.