HollyFrontier Corp SEC filing history

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SEC filing history

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8-K File 001-03876

8-K filing

Filing date: 25 Jun 2012
Reporting date: 25 Jun 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 21 Jun 2012
Reporting date: 20 Jun 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 23 May 2012
Reporting date: 23 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-03876

8-K filing

Filing date: 16 May 2012
Reporting date: 16 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-03876

8-K filing

Filing date: 16 May 2012
Reporting date: 16 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 14 May 2012
Reporting date: 11 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-03876

DEFA14A filing

Filing date: 10 May 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-03876

8-K filing

Filing date: 10 May 2012
Reporting date: 10 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-03876

10-Q filing

Filing date: 08 May 2012
Reporting date: 31 Mar 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-03876

8-K filing

Filing date: 07 May 2012
Reporting date: 07 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-03876

8-K filing

Filing date: 05 Apr 2012
Reporting date: 05 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

ARS File 001-03876

AUTO-GENERATED PAPER DOCUMENT

Filing date: 02 Apr 2012
Reporting date: 31 Dec 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 02 Apr 2012
Reporting date: 30 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-03876

8-K filing

Filing date: 30 Mar 2012
Reporting date: 30 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-03876

DEFINITIVE ADDITIONAL MATERIALS

Filing date: 30 Mar 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-03876

DEF 14A

Filing date: 30 Mar 2012
Reporting date: 16 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-03876

8-K filing

Filing date: 26 Mar 2012
Reporting date: 26 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 14 Mar 2012
Reporting date: 13 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 14 Mar 2012
Reporting date: 13 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 14 Mar 2012
Reporting date: 13 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 14 Mar 2012
Reporting date: 13 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 13 Mar 2012
Reporting date: 09 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 09 Mar 2012
Reporting date: 09 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 09 Mar 2012
Reporting date: 07 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 08 Mar 2012
Reporting date: 07 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing