Black Hills Corp /Sd/

Symbol
BKH on NYSE
Entity
Company
Business address
7001 Mt Rushmore Rd, Po Box 1400, 57709 Rapid City, SD
Phone
6057212343
State of incorporation
SD
Fiscal year end
December 31
Category
Large accelerated filer
Former names
BLACK HILLS HOLDING CORP (to 12/26/2000)
All SEC filings
View on sec.gov
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Black Hills Corp /Sd/ has filed 3,024 SEC EDGAR filings since 12/22/2000

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open Document | Data Open Filing 8-K Sep 15, 2025 Sep 15, 2025 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Aug 21, 2025 Aug 1, 2025
3 Open Document Open Filing PRIMARY DOCUMENT Aug 20, 2025 Jul 21, 2025
425 Open Document Open Filing 425 Aug 19, 2025
425 Open Document Open Filing 425 Aug 19, 2025
425 Open Document Open Filing 425 Aug 19, 2025
425 Open Document Open Filing 425 Aug 19, 2025
425 Open Document Open Filing 425 Aug 19, 2025
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425 Open Document Open Filing 425 Aug 19, 2025
425 Open Document Open Filing 425 Aug 19, 2025
425 Open Document Open Filing 425 Aug 19, 2025
425 Open Document Open Filing 425 Aug 19, 2025
425 Open Document Open Filing 425 Aug 19, 2025
425 Open Document Open Filing 425 Aug 19, 2025
425 Open Document Open Filing 425 Aug 19, 2025
425 Open Document Open Filing 425 Aug 19, 2025
425 Open Document Open Filing 425 Aug 19, 2025 001-31303
8-K Open Document | Data Open Filing FORM 8-K Aug 19, 2025 Aug 18, 2025 001-31303
8-K Open Document | Data Open Filing FORM 8-K Aug 19, 2025 Aug 19, 2025 001-31303
10-Q Open Document | Data Open Filing 10-Q Jul 31, 2025 Jun 30, 2025 001-31303
8-K Open Document | Data Open Filing 8-K Jul 30, 2025 Jul 30, 2025 001-31303
11-K Open Document Open Filing 11-K Jun 23, 2025 Dec 31, 2024 001-31303
8-K Open Document | Data Open Filing FORM 8-K May 8, 2025 May 8, 2025 001-31303
424B5 Open Document | Data Open Filing 424B5 May 8, 2025 333-272739
10-Q Open Document | Data Open Filing 10-Q May 8, 2025 Mar 31, 2025 001-31303
8-K Open Document | Data Open Filing 8-K May 8, 2025 May 7, 2025 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2025 May 1, 2025
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2025 May 1, 2025
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2025 May 1, 2025
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4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2025 May 1, 2025
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2025 May 1, 2025
SCHEDULE 13G/A Open Document Open Filing Apr 30, 2025 005-80081
3 Open Document Open Filing PRIMARY DOCUMENT Apr 28, 2025 Apr 23, 2025
3 Open Document Open Filing PRIMARY DOCUMENT Apr 28, 2025 Apr 23, 2025
8-K Open Document | Data Open Filing 8-K Apr 25, 2025 Apr 23, 2025 001-31303
ARS Open Document Open Filing ARS Mar 14, 2025 Dec 31, 2024 001-31303
DEF 14A Open Document | Data Open Filing DEF 14A Mar 14, 2025 Mar 12, 2025 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Feb 20, 2025 Feb 18, 2025
5 Open Document Open Filing PRIMARY DOCUMENT Feb 18, 2025 Dec 31, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Feb 14, 2025 Feb 12, 2025
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4 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2025 Feb 11, 2025
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4 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2025 Feb 11, 2025
10-K Open Document | Data Open Filing 10-K Feb 12, 2025 Dec 31, 2024 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Feb 10, 2025 Feb 7, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Feb 10, 2025 Feb 7, 2025
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5 Open Document Open Filing PRIMARY DOCUMENT Feb 10, 2025 Dec 31, 2024
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8-K Open Document | Data Open Filing 8-K Feb 7, 2025 Jan 31, 2025 001-31303
8-K Open Document | Data Open Filing 8-K Feb 5, 2025 Feb 5, 2025 001-31303
SCHEDULE 13G/A Open Document Open Filing Feb 5, 2025 005-80081
3 Open Document Open Filing PRIMARY DOCUMENT Nov 19, 2024 Nov 13, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Nov 12, 2024 Nov 8, 2024
3 Open Document Open Filing PRIMARY DOCUMENT Nov 7, 2024 Nov 7, 2024
10-Q Open Document | Data Open Filing 10-Q Nov 7, 2024 Sep 30, 2024 001-31303
8-K Open Document | Data Open Filing 8-K Nov 6, 2024 Nov 6, 2024 001-31303
8-K Open Document | Data Open Filing 8-K Nov 1, 2024 Oct 28, 2024 001-31303
8-K Open Document | Data Open Filing 8-K Aug 12, 2024 Aug 9, 2024 001-31303
10-Q Open Document | Data Open Filing 10-Q Aug 1, 2024 Jun 30, 2024 001-31303
8-K Open Document | Data Open Filing 8-K Jul 31, 2024 Jul 31, 2024 001-31303
11-K Open Document Open Filing 11-K Jun 20, 2024 Dec 31, 2023 001-31303
8-K Open Document | Data Open Filing 8-K Jun 5, 2024 May 31, 2024 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Jun 3, 2024 May 30, 2024
144 Open Document Open Filing May 30, 2024 001-31303
8-K Open Document | Data Open Filing FORM 8-K May 16, 2024 May 13, 2024 001-31303
424B2 Open Document Open Filing 424B2 May 14, 2024 333-272739
FWP Open Document Open Filing FWP May 13, 2024 333-272739
424B5 Open Document Open Filing 424B5 May 13, 2024 333-272739
10-Q Open Document | Data Open Filing 10-Q May 9, 2024 Mar 31, 2024 001-31303
8-K Open Document | Data Open Filing 8-K May 8, 2024 May 8, 2024 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2024 Apr 30, 2024
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8-K Open Document | Data Open Filing 8-K Apr 26, 2024 Apr 23, 2024 001-31303
8-K Open Document | Data Open Filing 8-K Apr 25, 2024 Apr 24, 2024 001-31303
ARS Open Document Open Filing ARS Mar 15, 2024 Dec 31, 2023 001-31303
DEF 14A Open Document | Data Open Filing DEF 14A Mar 15, 2024 Mar 15, 2024 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Mar 6, 2024 Mar 5, 2024
10-K Open Document | Data Open Filing 10-K Feb 14, 2024 Dec 31, 2023 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2024 Jan 10, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2024 Feb 9, 2024
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SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 13, 2024 005-80081
5 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2024 Dec 31, 2023
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5 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2024 Dec 31, 2023
8-K Open Document | Data Open Filing 8-K Feb 7, 2024 Feb 7, 2024 001-31303
SC 13G/A Open Document Open Filing Jan 25, 2024 005-80081
SC 13G/A Open Document Open Filing Jan 22, 2024 005-80081
4 Open Document Open Filing PRIMARY DOCUMENT Dec 29, 2023 Aug 5, 2023
10-Q Open Document | Data Open Filing 10-Q Nov 2, 2023 Sep 30, 2023 001-31303
8-K Open Document | Data Open Filing 8-K Nov 1, 2023 Nov 1, 2023 001-31303
8-K Open Document | Data Open Filing FORM 8-K Sep 15, 2023 Sep 15, 2023 001-31303
8-K Open Document | Data Open Filing FORM 8-K Sep 11, 2023 Sep 6, 2023 001-31303
424B2 Open Document Open Filing 424B2 Sep 7, 2023 333-272739
FWP Open Document Open Filing FWP Sep 6, 2023 333-272739
424B5 Open Document Open Filing 424B5 Sep 6, 2023 333-272739
10-Q Open Document | Data Open Filing 10-Q Aug 3, 2023 Jun 30, 2023 001-31303
8-K Open Document | Data Open Filing 8-K Aug 2, 2023 Aug 2, 2023 001-31303
POSASR Open Document Open Filing POSASR Jul 10, 2023 333-240319
3 Open Document Open Filing PRIMARY DOCUMENT Jun 26, 2023 Jun 15, 2023
3 Open Document Open Filing PRIMARY DOCUMENT Jun 26, 2023 Jun 15, 2023
11-K Open Document Open Filing 11-K Jun 22, 2023 Dec 31, 2022 001-31303
8-K Open Document | Data Open Filing FORM 8-K Jun 20, 2023 Jun 16, 2023 001-31303
424B5 Open Document Open Filing 424B5 Jun 16, 2023 333-272739
S-3ASR Open Document Open Filing S-3ASR Jun 16, 2023 333-272739
8-K Open Document | Data Open Filing 8-K Jun 15, 2023 Jun 14, 2023 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT May 9, 2023 May 8, 2023
144 Open Document Open Filing May 8, 2023 001-31303
10-Q Open Document | Data Open Filing 10-Q May 4, 2023 Mar 31, 2023 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT May 3, 2023 May 1, 2023
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8-K Open Document | Data Open Filing 8-K May 3, 2023 Apr 24, 2023 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2023 Apr 30, 2023
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2023 Apr 30, 2023
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8-K Open Document | Data Open Filing 8-K Apr 27, 2023 Apr 25, 2023 001-31303
3 Open Document Open Filing PRIMARY DOCUMENT Apr 6, 2023 Apr 1, 2023
ARS Open Document Open Filing ARS Mar 15, 2023 Dec 31, 2022 001-31303
DEF 14A Open Document | Data Open Filing DEF 14A Mar 15, 2023 001-31303
8-K Open Document | Data Open Filing 8-K Mar 7, 2023 Mar 2, 2023 001-31303
424B2 Open Document Open Filing 424B2 Mar 3, 2023 333-240320
FWP Open Document Open Filing FWP Mar 2, 2023 333-240320
424B5 Open Document Open Filing 424B5 Mar 2, 2023 333-240320
4 Open Document Open Filing PRIMARY DOCUMENT Feb 14, 2023 Feb 10, 2023
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10-K Open Document | Data Open Filing 10-K Feb 14, 2023 Dec 31, 2022 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2023 Feb 9, 2023
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SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 9, 2023 005-80081
SC 13G/A Open Document Open Filing Feb 9, 2023 005-80081
8-K Open Document | Data Open Filing 8-K Feb 7, 2023 Feb 7, 2023 001-31303
5 Open Document Open Filing PRIMARY DOCUMENT Feb 1, 2023 Dec 31, 2022
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SC 13G/A Open Document Open Filing Jan 26, 2023 005-80081
SC 13G/A Open Document Open Filing Jan 20, 2023 005-80081
10-Q Open Document | Data Open Filing 10-Q Nov 3, 2022 Sep 30, 2022 001-31303
8-K Open Document | Data Open Filing 8-K Nov 2, 2022 Nov 2, 2022 001-31303
8-K Open Document | Data Open Filing 8-K Oct 27, 2022 Oct 27, 2022 001-31303
10-Q Open Document | Data Open Filing 10-Q Aug 4, 2022 Jun 30, 2022 001-31303
8-K Open Document | Data Open Filing 8-K Aug 3, 2022 Aug 3, 2022 001-31303
SC 13G/A Open Document Open Filing Jul 11, 2022 005-80081
4 Open Document Open Filing PRIMARY DOCUMENT Jun 28, 2022 Jun 27, 2022
11-K Open Document Open Filing 11-K Jun 23, 2022 Dec 31, 2021 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Jun 3, 2022 Mar 1, 2022
4 Open Document Open Filing PRIMARY DOCUMENT May 23, 2022 May 20, 2022
4 Open Document Open Filing PRIMARY DOCUMENT May 10, 2022 May 6, 2022
S-8 Open Document Open Filing S-8 May 5, 2022 333-264703
10-Q Open Document | Data Open Filing 10-Q May 5, 2022 Mar 31, 2022 001-31303
8-K Open Document | Data Open Filing 8-K May 4, 2022 May 4, 2022 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT May 3, 2022 Apr 30, 2022
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8-K Open Document | Data Open Filing 8-K Apr 28, 2022 Apr 26, 2022 001-31303
DEF 14A Open Document Open Filing DEF 14A Mar 17, 2022 Apr 26, 2022 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Feb 15, 2022 Feb 11, 2022
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10-K Open Document | Data Open Filing 10-K Feb 15, 2022 Dec 31, 2021 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Feb 14, 2022 Feb 10, 2022
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SC 13G/A Open Document Open Filing Feb 10, 2022 005-80081
8-K Open Document | Data Open Filing 8-K Feb 9, 2022 Feb 9, 2022 001-31303
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 9, 2022 005-80081
SC 13G/A Open Document Open Filing Jan 28, 2022 005-80081
5 Open Document Open Filing PRIMARY DOCUMENT Jan 12, 2022 Dec 31, 2021
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10-Q Open Document | Data Open Filing 10-Q Nov 3, 2021 Sep 30, 2021 001-31303
8-K Open Document | Data Open Filing 8-K Nov 2, 2021 Nov 2, 2021 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Oct 8, 2021 Oct 6, 2021
8-K Open Document | Data Open Filing 8-K Sep 17, 2021 Sep 15, 2021 001-31303
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8-K Open Document | Data Open Filing FORM 8-K Aug 26, 2021 Aug 23, 2021 001-31303
424B2 Open Document Open Filing 424B2 Aug 24, 2021 333-240320
FWP Open Document Open Filing FWP Aug 23, 2021 333-240320
424B5 Open Document Open Filing 424B5 Aug 23, 2021 333-240320
4 Open Document Open Filing PRIMARY DOCUMENT Aug 5, 2021 Aug 4, 2021
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10-Q Open Document | Data Open Filing 10-Q Aug 4, 2021 Jun 30, 2021 001-31303
8-K Open Document | Data Open Filing 8-K Aug 3, 2021 Aug 3, 2021 001-31303
8-K Open Document | Data Open Filing 8-K Jul 19, 2021 Jul 19, 2021 001-31303
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11-K Open Document Open Filing 11-K Jun 22, 2021 Dec 31, 2020 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Jun 1, 2021 May 28, 2021
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10-Q Open Document | Data Open Filing 10-Q May 5, 2021 Mar 31, 2021 001-31303
8-K Open Document | Data Open Filing 8-K May 4, 2021 May 4, 2021 001-31303
8-K/A Open Document | Data Open Filing 8-K/A Apr 29, 2021 Sep 16, 2020 001-31303
8-K Open Document | Data Open Filing 8-K Apr 29, 2021 Apr 27, 2021 001-31303
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DEF 14A Open Document Open Filing DEF 14A Mar 18, 2021 Apr 27, 2021 001-31303
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10-K Open Document | Data Open Filing 10-K Feb 26, 2021 Dec 31, 2020 001-31303
8-K Open Document | Data Open Filing 8-K Feb 25, 2021 Feb 24, 2021 001-31303
4 Open Document Open Filing PRIMARY DOCUMENT Feb 16, 2021 Feb 11, 2021
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SC 13G Open Document Open Filing Feb 11, 2021 005-80081
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 10, 2021 005-80081
4 Open Document Open Filing PRIMARY DOCUMENT Feb 9, 2021 Feb 5, 2021
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8-K Open Document | Data Open Filing 8-K Feb 9, 2021 Feb 9, 2021 001-31303
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8-K Open Document Open Filing 8-K Nov 3, 2016 Nov 2, 2016 001-31303
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