Black Hills Corp /SD/ SEC filings BKH

Black Hills Corp /SD/ has 1,001 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 Aug 6, 2026, covering the quarter ended Jun 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
ARS Annual report to shareholders Mar 18, 2026 Dec 31, 2025
10-K Annual report Feb 11, 2026 Dec 31, 2025
ARS Annual report to shareholders Mar 14, 2025 Dec 31, 2024
10-K Annual report Feb 12, 2025 Dec 31, 2024
ARS Annual report to shareholders Mar 15, 2024 Dec 31, 2023
10-K Annual report Feb 14, 2024 Dec 31, 2023
ARS Annual report to shareholders Mar 15, 2023 Dec 31, 2022
10-K Annual report Feb 14, 2023 Dec 31, 2022
10-K Annual report Feb 15, 2022 Dec 31, 2021
10-K Annual report Feb 26, 2021 Dec 31, 2020
10-K Annual report Feb 14, 2020 Dec 31, 2019
10-K Annual report Feb 19, 2019 Dec 31, 2018
10-K Annual report Feb 26, 2018 Dec 31, 2017
10-K Annual report Feb 27, 2017 Dec 31, 2016

Showing 14 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.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

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.