BLACK HILLS CORP /SD/ reports

Company location: Rapid City, SD
Fiscal year end: 31 December

BLACK HILLS CORP /SD/ has filed 3,092 SEC EDGAR filings since 22 Dec 2000

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SEC filing history

Showing 576-600 of 1,000 matching filings.

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25

Current page

24

4

PRIMARY DOCUMENT

Filing date: 06 Jan 2020
Reporting date: 02 Jan 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Dec 2019
Reporting date: 18 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Dec 2019
Reporting date: 30 Aug 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Dec 2019
Reporting date: 29 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Dec 2019
Reporting date: 29 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Dec 2019
Reporting date: 29 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Dec 2019
Reporting date: 29 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Dec 2019
Reporting date: 29 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Dec 2019
Reporting date: 29 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Dec 2019
Reporting date: 29 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Dec 2019
Reporting date: 29 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Dec 2019
Reporting date: 29 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3

PRIMARY DOCUMENT

Filing date: 25 Nov 2019
Reporting date: 01 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3

PRIMARY DOCUMENT

Filing date: 25 Nov 2019
Reporting date: 01 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Nov 2019
Reporting date: 19 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 07 Nov 2019
Reporting date: 06 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 07 Nov 2019
Reporting date: 06 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 07 Nov 2019
Reporting date: 06 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-31303

10-Q

Filing date: 05 Nov 2019
Reporting date: 30 Sep 2019
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-31303

8-K

Filing date: 04 Nov 2019
Reporting date: 04 Nov 2019
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-31303

8-K

Filing date: 04 Nov 2019
Reporting date: 29 Oct 2019
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 22 Oct 2019
Reporting date: 22 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Oct 2019
Reporting date: 02 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Oct 2019
Reporting date: 02 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Oct 2019
Reporting date: 02 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

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