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 76-100 of 1,000 matching filings.

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25
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4
425

425

Filing date
19 Aug 2025
Reporting date
Not listed
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425

425

Filing date
19 Aug 2025
Reporting date
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425

425

Filing date
19 Aug 2025
Reporting date
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425

425

Filing date
19 Aug 2025
Reporting date
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425

425

Filing date
19 Aug 2025
Reporting date
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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 File 001-31303

425

Filing date
19 Aug 2025
Reporting date
Not listed
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11-K File 001-31303

11-K

Filing date
23 Jun 2025
Reporting date
31 Dec 2024
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4

PRIMARY DOCUMENT

Filing date
02 May 2025
Reporting date
01 May 2025
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4

PRIMARY DOCUMENT

Filing date
02 May 2025
Reporting date
01 May 2025
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4

PRIMARY DOCUMENT

Filing date
02 May 2025
Reporting date
01 May 2025
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4

PRIMARY DOCUMENT

Filing date
02 May 2025
Reporting date
01 May 2025
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4

PRIMARY DOCUMENT

Filing date
02 May 2025
Reporting date
01 May 2025
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4

PRIMARY DOCUMENT

Filing date
02 May 2025
Reporting date
01 May 2025
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4

PRIMARY DOCUMENT

Filing date
02 May 2025
Reporting date
01 May 2025
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4

PRIMARY DOCUMENT

Filing date
02 May 2025
Reporting date
01 May 2025
SEC evidence
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