BLACK HILLS CORP /SD/ reports

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

BLACK HILLS CORP /SD/ has filed 3,089 SEC EDGAR filings since 22 Dec 2000

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SEC filing history

Showing 801-825 of 1,000 matching filings.

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25

Current page

33

4

PRIMARY DOCUMENT

Filing date: 06 Feb 2018
Reporting date: 02 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

5

PRIMARY DOCUMENT

Filing date: 06 Feb 2018
Reporting date: 31 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

5

PRIMARY DOCUMENT

Filing date: 06 Feb 2018
Reporting date: 31 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

5

PRIMARY DOCUMENT

Filing date: 06 Feb 2018
Reporting date: 31 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

5

PRIMARY DOCUMENT

Filing date: 06 Feb 2018
Reporting date: 31 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-31303

BHC 8K AMENDED ARTICLES 013018

Filing date: 05 Feb 2018
Reporting date: 30 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-31303

8-K

Filing date: 02 Feb 2018
Reporting date: 01 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Jan 2018
Reporting date: 03 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Jan 2018
Reporting date: 03 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Jan 2018
Reporting date: 03 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Jan 2018
Reporting date: 03 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Jan 2018
Reporting date: 03 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Jan 2018
Reporting date: 03 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2017
Reporting date: 30 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2017
Reporting date: 30 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2017
Reporting date: 30 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2017
Reporting date: 30 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2017
Reporting date: 30 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2017
Reporting date: 30 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2017
Reporting date: 18 Sep 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2017
Reporting date: 30 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2017
Reporting date: 30 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-31303

10-Q

Filing date: 06 Nov 2017
Reporting date: 30 Sep 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-31303

8-K

Filing date: 03 Nov 2017
Reporting date: 02 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 02 Nov 2017
Reporting date: 01 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

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