Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Rapid City, SD
SEC filing record 1 source field available
Fiscal year end
31 December
BLACK HILLS CORP /SD/ has filed 3,089 SEC EDGAR filings since 22 Dec 2000

SEC filing history

Showing 51-75 of 1,000 matching filings.

Per page
25
Current page
3
425

425

Filing date
30 Jan 2026
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
12 Nov 2025
Reporting date
10 Nov 2025
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4

PRIMARY DOCUMENT

Filing date
10 Nov 2025
Reporting date
07 Nov 2025
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425

425

Filing date
10 Nov 2025
Reporting date
Not listed
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DRS File 377-08629

DRS filing

Filing date
30 Oct 2025
Reporting date
Not listed
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3

PRIMARY DOCUMENT

Filing date
17 Oct 2025
Reporting date
13 Oct 2025
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FWP File 333-272739

FWP

Filing date
25 Sep 2025
Reporting date
Not listed
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424B5 File 333-272739

424B5

Filing date
25 Sep 2025
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
21 Aug 2025
Reporting date
01 Aug 2025
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3

PRIMARY DOCUMENT

Filing date
20 Aug 2025
Reporting date
21 Jul 2025
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425

425

Filing date
19 Aug 2025
Reporting date
Not listed
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425

425

Filing date
19 Aug 2025
Reporting date
Not listed
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425

425

Filing date
19 Aug 2025
Reporting date
Not listed
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425

425

Filing date
19 Aug 2025
Reporting date
Not listed
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425

425

Filing date
19 Aug 2025
Reporting date
Not listed
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425

425

Filing date
19 Aug 2025
Reporting date
Not listed
SEC evidence
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425

425

Filing date
19 Aug 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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