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Black Hills Corp SEC Filings
What Black Hills Corp has told the SEC happened, by the 8-K items and forms it filed under: when it reported results, who joined or left, what it bought or sold, and whether its auditor or its accounts ever changed.
BKH overview →Filings on file
134
since Nov 3, 2016
Warning signs
0
none filed
Last results
Aug 5, 2026
8-K item 2.02
Industry
Electric Services
SIC 4911
Newest first
Each label is a form type or an 8-K item as filed; each row links to the filing.
| Filed | What it reports | Document |
|---|---|---|
| Aug 6, 2026 | Quarterly report 10-Q | Read ↗ |
| Aug 5, 2026 | Results announced 8-K | Read ↗ |
| May 7, 2026 | Quarterly report 10-Q | Read ↗ |
| May 6, 2026 | Results announced 8-K | Read ↗ |
| May 1, 2026 | Shareholder vote 8-K | Read ↗ |
| Apr 2, 2026 | Shareholder vote 8-K | Read ↗ |
| Feb 11, 2026 | Annual report 10-K | Read ↗ |
| Feb 4, 2026 | Results announced 8-K | Read ↗ |
| Jan 30, 2026 | Merger vote or registration S-4 | Read ↗ |
| Nov 6, 2025 | Quarterly report 10-Q | Read ↗ |
| Nov 5, 2025 | Results announced 8-K | Read ↗ |
| Oct 2, 2025 | Material agreementNew debt 8-K | Read ↗ |
| Sep 29, 2025 | Material agreement 8-K | Read ↗ |
| Aug 19, 2025 | Executive or director changeMaterial agreement 8-K | Read ↗ |
| Jul 31, 2025 | Quarterly report 10-Q | Read ↗ |
| Jul 30, 2025 | Results announced 8-K | Read ↗ |
| May 8, 2025 | Material agreement 8-K | Read ↗ |
| May 8, 2025 | Quarterly report 10-Q | Read ↗ |
| May 8, 2025 | Results announced 8-K | Read ↗ |
| Apr 25, 2025 | Shareholder vote 8-K | Read ↗ |
| Feb 12, 2025 | Annual report 10-K | Read ↗ |
| Feb 7, 2025 | Executive or director change 8-K | Read ↗ |
| Feb 5, 2025 | Results announced 8-K | Read ↗ |
| Nov 7, 2024 | Quarterly report 10-Q | Read ↗ |
| Nov 6, 2024 | Results announced 8-K | Read ↗ |
| Nov 1, 2024 | Executive or director change 8-K | Read ↗ |
| Aug 12, 2024 | Executive or director change 8-K | Read ↗ |
| Aug 1, 2024 | Quarterly report 10-Q | Read ↗ |
| Jul 31, 2024 | Results announced 8-K | Read ↗ |
| Jun 5, 2024 | Material agreementNew debt 8-K | Read ↗ |
| May 16, 2024 | Material agreementNew debt 8-K | Read ↗ |
| May 9, 2024 | Quarterly report 10-Q | Read ↗ |
| May 8, 2024 | Results announced 8-K | Read ↗ |
| Apr 26, 2024 | Shareholder vote 8-K | Read ↗ |
| Apr 25, 2024 | Executive or director change 8-K | Read ↗ |
| Feb 14, 2024 | Annual report 10-K | Read ↗ |
| Feb 7, 2024 | Results announced 8-K | Read ↗ |
| Nov 2, 2023 | Quarterly report 10-Q | Read ↗ |
| Nov 1, 2023 | Results announced 8-K | Read ↗ |
| Sep 15, 2023 | Material agreementNew debt 8-K | Read ↗ |
| Sep 11, 2023 | Material agreement 8-K | Read ↗ |
| Aug 3, 2023 | Quarterly report 10-Q | Read ↗ |
| Aug 2, 2023 | Results announced 8-K | Read ↗ |
| Jun 20, 2023 | Material agreement 8-K | Read ↗ |
| Jun 15, 2023 | Executive or director change 8-K | Read ↗ |
| May 4, 2023 | Quarterly report 10-Q | Read ↗ |
| May 3, 2023 | Results announced 8-K | Read ↗ |
| Apr 27, 2023 | Shareholder vote 8-K | Read ↗ |
| Mar 7, 2023 | Material agreementNew debt 8-K | Read ↗ |
| Feb 14, 2023 | Annual report 10-K | Read ↗ |
| Feb 7, 2023 | Results announced 8-K | Read ↗ |
| Nov 3, 2022 | Quarterly report 10-Q | Read ↗ |
| Nov 2, 2022 | Results announced 8-K | Read ↗ |
| Oct 27, 2022 | Executive or director change 8-K | Read ↗ |
| Aug 4, 2022 | Quarterly report 10-Q | Read ↗ |
| Aug 3, 2022 | Results announced 8-K | Read ↗ |
| May 5, 2022 | Quarterly report 10-Q | Read ↗ |
| May 4, 2022 | Results announced 8-K | Read ↗ |
| Apr 28, 2022 | Shareholder vote 8-K | Read ↗ |
| Feb 15, 2022 | Annual report 10-K | Read ↗ |
| Feb 9, 2022 | Results announced 8-K | Read ↗ |
| Nov 3, 2021 | Quarterly report 10-Q | Read ↗ |
| Nov 2, 2021 | Results announced 8-K | Read ↗ |
| Sep 17, 2021 | Executive or director change 8-K | Read ↗ |
| Aug 26, 2021 | Material agreementNew debt 8-K | Read ↗ |
| Aug 4, 2021 | Quarterly report 10-Q | Read ↗ |
| Aug 3, 2021 | Results announced 8-K | Read ↗ |
| Jul 19, 2021 | Material agreementNew debt 8-K | Read ↗ |
| May 5, 2021 | Quarterly report 10-Q | Read ↗ |
| May 4, 2021 | Results announced 8-K | Read ↗ |
| Apr 29, 2021 | Executive or director change 8-K/A | Read ↗ |
| Apr 29, 2021 | Shareholder vote 8-K | Read ↗ |
| Feb 26, 2021 | Annual report 10-K | Read ↗ |
| Feb 25, 2021 | Material agreementNew debt 8-K | Read ↗ |
| Feb 9, 2021 | Results announced 8-K | Read ↗ |
| Nov 3, 2020 | Quarterly report 10-Q | Read ↗ |
| Nov 2, 2020 | Results announced 8-K | Read ↗ |
| Sep 18, 2020 | Executive or director change 8-K | Read ↗ |
| Aug 4, 2020 | Quarterly report 10-Q | Read ↗ |
| Aug 4, 2020 | Material agreement 8-K | Read ↗ |
| Aug 4, 2020 | Results announced 8-K | Read ↗ |
| Jun 17, 2020 | Material agreementNew debt 8-K | Read ↗ |
| May 5, 2020 | Quarterly report 10-Q | Read ↗ |
| May 4, 2020 | Results announced 8-K | Read ↗ |
| May 1, 2020 | Shareholder vote 8-K | Read ↗ |
| May 1, 2020 | Executive or director change 8-K/A | Read ↗ |
| Mar 13, 2020 | Executive or director change 8-K | Read ↗ |
| Feb 27, 2020 | Material agreement 8-K | Read ↗ |
| Feb 14, 2020 | Annual report 10-K | Read ↗ |
| Feb 6, 2020 | Results announced 8-K | Read ↗ |
| Nov 5, 2019 | Quarterly report 10-Q | Read ↗ |
| Nov 4, 2019 | Results announced 8-K | Read ↗ |
| Nov 4, 2019 | Executive or director change 8-K | Read ↗ |
| Oct 4, 2019 | Material agreementNew debt 8-K | Read ↗ |
| Oct 1, 2019 | Material agreement 8-K | Read ↗ |
| Aug 6, 2019 | Quarterly report 10-Q | Read ↗ |
| Aug 5, 2019 | Results announced 8-K | Read ↗ |
| Jun 18, 2019 | Material agreementNew debt 8-K | Read ↗ |
| May 3, 2019 | Shareholder vote 8-K | Read ↗ |
| May 3, 2019 | Quarterly report 10-Q | Read ↗ |
| May 3, 2019 | Results announced 8-K | Read ↗ |
| Feb 19, 2019 | Annual report 10-K | Read ↗ |
| Feb 7, 2019 | Results announced 8-K | Read ↗ |
| Nov 6, 2018 | Quarterly report 10-Q | Read ↗ |
| Nov 5, 2018 | Results announced 8-K | Read ↗ |
| Nov 1, 2018 | Delisting 25-NSE | Read ↗ |
| Nov 1, 2018 | Executive or director change 8-K | Read ↗ |
| Aug 17, 2018 | Material agreementNew debt 8-K | Read ↗ |
| Aug 7, 2018 | Quarterly report 10-Q | Read ↗ |
| Aug 7, 2018 | Results announced 8-K | Read ↗ |
| Jul 31, 2018 | Material agreementNew debt 8-K | Read ↗ |
| Jun 21, 2018 | Executive or director change 8-K | Read ↗ |
| May 4, 2018 | Quarterly report 10-Q | Read ↗ |
| May 4, 2018 | Results announced 8-K | Read ↗ |
| Apr 27, 2018 | Shareholder vote 8-K | Read ↗ |
| Feb 26, 2018 | Annual report 10-K | Read ↗ |
| Feb 26, 2018 | Results announced 8-K | Read ↗ |
| Feb 2, 2018 | Results announced 8-K | Read ↗ |
| Nov 6, 2017 | Quarterly report 10-Q | Read ↗ |
| Nov 3, 2017 | Results announced 8-K | Read ↗ |
| Aug 4, 2017 | Material agreement 8-K | Read ↗ |
| Aug 4, 2017 | Quarterly report 10-Q | Read ↗ |
| Aug 3, 2017 | Results announced 8-K | Read ↗ |
| May 5, 2017 | Quarterly report 10-Q | Read ↗ |
| May 4, 2017 | Results announced 8-K | Read ↗ |
| Apr 28, 2017 | Shareholder vote 8-K | Read ↗ |
| Feb 27, 2017 | Annual report 10-K | Read ↗ |
| Feb 2, 2017 | Results announced 8-K | Read ↗ |
| Jan 31, 2017 | Executive or director change 8-K | Read ↗ |
| Dec 21, 2016 | Executive or director change 8-K | Read ↗ |
| Dec 15, 2016 | Executive or director change 8-K | Read ↗ |
| Nov 16, 2016 | Executive or director change 8-K | Read ↗ |
| Nov 4, 2016 | Quarterly report 10-Q | Read ↗ |
| Nov 3, 2016 | Results announced 8-K | Read ↗ |
Source: Black Hills Corp's EDGAR filing history, the last ten years. The labels are the form types and 8-K item numbers the company filed under, not a reading of what it wrote — an item 5.02 can be a chief executive fired or a director retiring on schedule — so each row links to the filing.
More on BKH
Company overviewEverything on BKH in one place, with the price.Who owns itEvery manager reporting a position in BKH.Funds holding itWhich funds and ETFs hold BKH, and how big a bet.LobbyingWhat BKH spends lobbying Congress, and on what.Who lobbies for itThe lobbyists on BKH's account, and who they worked for.Federal contractsWhat federal agencies pay BKH.PatentsWhat BKH is filing at the patent office.Workplace safetyWhat OSHA found at BKH's sites.AircraftThe jets on BKH's registration.