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 |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Nov 4, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 23, 2026 | Oct 22, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 6, 2026 | Oct 6, 2026 |
| 8-K |
Current report
Other events
|
Aug 17, 2026 | Aug 17, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Other events
|
May 15, 2026 | May 15, 2026 |
| 8-K |
Current report
Results of operations
|
May 6, 2026 | May 6, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 1, 2026 | Apr 29, 2026 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
Apr 2, 2026 | Apr 2, 2026 |
| 8-K |
Current report
Other events
|
Feb 19, 2026 | Feb 19, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 4, 2026 | Feb 4, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Oct 2, 2025 | Oct 2, 2025 |
| 8-K |
Current report
Material agreement
|
Sep 29, 2025 | Sep 25, 2025 |
| 8-K |
Current report
Other events
|
Sep 15, 2025 | Sep 15, 2025 |
| 8-K |
Current report
Material agreement, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
|
Aug 19, 2025 | Aug 18, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 19, 2025 | Aug 19, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2025 | Jul 30, 2025 |
| 8-K |
Current report
Material agreement
|
May 8, 2025 | May 8, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 7, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Apr 25, 2025 | Apr 23, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 7, 2025 | Jan 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 5, 2025 | Feb 5, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2024 | Nov 6, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 1, 2024 | Oct 28, 2024 |
| 8-K |
Current report
Officer or director change
|
Aug 12, 2024 | Aug 9, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2024 | Jul 31, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 5, 2024 | May 31, 2024 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
May 16, 2024 | May 13, 2024 |
| 8-K |
Current report
Results of operations
|
May 8, 2024 | May 8, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Apr 26, 2024 | Apr 23, 2024 |
| 8-K |
Current report
Officer or director change
|
Apr 25, 2024 | Apr 24, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 7, 2024 | Feb 7, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2023 | Nov 1, 2023 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Sep 15, 2023 | Sep 15, 2023 |
| 8-K |
Current report
Material agreement
|
Sep 11, 2023 | Sep 6, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2023 | Aug 2, 2023 |
| 8-K |
Current report
Material agreement, Agreement ended
|
Jun 20, 2023 | Jun 16, 2023 |
| 8-K |
Current report
Officer or director change
|
Jun 15, 2023 | Jun 14, 2023 |
| 8-K |
Current report
Results of operations, Bylaw or fiscal year change
|
May 3, 2023 | Apr 24, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Apr 27, 2023 | Apr 25, 2023 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Mar 7, 2023 | Mar 2, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 7, 2023 | Feb 7, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2022 | Nov 2, 2022 |
| 8-K |
Current report
Officer or director change
|
Oct 27, 2022 | Oct 27, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2022 | Aug 3, 2022 |
| 8-K |
Current report
Results of operations
|
May 4, 2022 | May 4, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Apr 28, 2022 | Apr 26, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 9, 2022 | Feb 9, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2021 | Nov 2, 2021 |
| 8-K |
Current report
Officer or director change
|
Sep 17, 2021 | Sep 15, 2021 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Aug 26, 2021 | Aug 23, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2021 | Aug 3, 2021 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 19, 2021 | Jul 19, 2021 |
| 8-K |
Current report
Results of operations
|
May 4, 2021 | May 4, 2021 |
| 8-K/A |
Amended current report
Officer or director change
|
Apr 29, 2021 | Sep 16, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Apr 29, 2021 | Apr 27, 2021 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Feb 25, 2021 | Feb 24, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 9, 2021 | Feb 9, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2020 | Nov 2, 2020 |
| 8-K |
Current report
Officer or director change
|
Sep 18, 2020 | Sep 16, 2020 |
| 8-K |
Current report
Material agreement
|
Aug 4, 2020 | Aug 4, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2020 | Aug 3, 2020 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Jun 17, 2020 | Jun 12, 2020 |
| 8-K |
Current report
Results of operations
|
May 4, 2020 | May 4, 2020 |
| 8-K |
Current report
Shareholder vote results
|
May 1, 2020 | Apr 28, 2020 |
| 8-K/A |
Amended current report
Officer or director change
|
May 1, 2020 | Oct 29, 2019 |
| 8-K |
Current report
Officer or director change
|
Mar 13, 2020 | Mar 9, 2020 |
| 8-K |
Current report
Material agreement, Other events
|
Feb 27, 2020 | Feb 24, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2020 | Feb 6, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2019 | Nov 4, 2019 |
| 8-K |
Current report
Officer or director change
|
Nov 4, 2019 | Oct 29, 2019 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Oct 4, 2019 | Oct 3, 2019 |
| 8-K |
Current report
Material agreement
|
Oct 1, 2019 | Sep 26, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2019 | Aug 5, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 18, 2019 | Jun 17, 2019 |
| 8-K |
Current report
Shareholder vote results
|
May 3, 2019 | Apr 30, 2019 |
| 8-K |
Current report
Results of operations
|
May 3, 2019 | May 2, 2019 |
| 8-K |
Current report
Other events
|
Feb 15, 2019 | Feb 14, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 7, 2019 | Feb 7, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2018 | Nov 5, 2018 |
| 8-K |
Current report
Officer or director change
|
Nov 1, 2018 | Oct 31, 2018 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Aug 17, 2018 | Aug 14, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2018 | Aug 6, 2018 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 31, 2018 | Jul 30, 2018 |
| 8-K |
Current report
Officer or director change
|
Jun 21, 2018 | Jun 19, 2018 |
| 8-K |
Current report
Results of operations
|
May 4, 2018 | May 3, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Apr 27, 2018 | Apr 24, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2018 | Feb 23, 2018 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Feb 5, 2018 | Jan 30, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 2, 2018 | Feb 1, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2017 | Nov 2, 2017 |
| 8-K |
Current report
Material agreement
|
Aug 4, 2017 | Aug 4, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2017 | Aug 3, 2017 |
| 8-K |
Current report
Results of operations
|
May 4, 2017 | May 3, 2017 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Apr 28, 2017 | Apr 28, 2017 |
| 8-K |
Current report
Results of operations
|
Feb 2, 2017 | Feb 1, 2017 |
| 8-K |
Current report
Officer or director change, Other events
|
Jan 31, 2017 | Jan 30, 2017 |
| 8-K |
Current report
Officer or director change
|
Dec 21, 2016 | Dec 21, 2016 |
| 8-K |
Current report
Officer or director change
|
Dec 15, 2016 | Dec 14, 2016 |
| 8-K |
Current report
Officer or director change
|
Nov 16, 2016 | Nov 15, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2016 | Nov 2, 2016 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Aug 19, 2016 | Aug 19, 2016 |
| 8-K |
Current report
Material agreement
|
Aug 16, 2016 | Aug 10, 2016 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 10, 2016 | Aug 9, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2016 | Aug 3, 2016 |
Showing 106 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.