HollyFrontier Corp SEC filing history

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SEC filing history

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425

Filing date: 13 May 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 12 May 2011
Reporting date: 11 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 12 May 2011
Reporting date: 12 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 12 May 2011
Reporting date: 12 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 12 May 2011
Reporting date: 12 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 12 May 2011
Reporting date: 12 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 12 May 2011
Reporting date: 12 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 12 May 2011
Reporting date: 12 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 12 May 2011
Reporting date: 12 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 12 May 2011
Reporting date: 12 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-03876

FORM 8-K

Filing date: 11 May 2011
Reporting date: 11 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

425

FORM 8-K

Filing date: 11 May 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-03876

FORM 10-Q

Filing date: 09 May 2011
Reporting date: 31 Mar 2011
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

425

Filing date: 06 May 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

425

Filing date: 06 May 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 06 May 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 06 May 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-03876

FORM 8-K

Filing date: 05 May 2011
Reporting date: 05 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

425

FORM 425

Filing date: 29 Apr 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-4/A File 333-172978

FORM S-4/A

Filing date: 27 Apr 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 27 Apr 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-03876

FORM 8-K

Filing date: 26 Apr 2011
Reporting date: 25 Apr 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

425

Filing date: 21 Apr 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 19 Apr 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

425

FORM 425

Filing date: 15 Apr 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing