HollyFrontier Corp SEC filing history

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SEC filing history

Showing 1–25 of 124 matching filings.

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15-15D File 333-228429

15-15D

Filing date
02 May 2022
Reporting date
Not listed
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15-12B File 001-03876

15-12B

Filing date
29 Apr 2022
Reporting date
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15-12B File 001-03876

15-12B

Filing date
29 Mar 2022
Reporting date
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S-8 POS File 333-54612

S-8 POS

Filing date
18 Mar 2022
Reporting date
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S-8 POS File 333-184877

S-8 POS

Filing date
18 Mar 2022
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S-8 POS File 333-211557

S-8 POS

Filing date
18 Mar 2022
Reporting date
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S-8 POS File 333-175428

S-8 POS

Filing date
18 Mar 2022
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S-8 POS File 333-238835

S-8 POS

Filing date
18 Mar 2022
Reporting date
Not listed
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25-NSE File 001-03876

25-NSE filing

Filing date
15 Mar 2022
Reporting date
Not listed
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DEFA14A File 001-03876

DEFA14A

Filing date
30 Nov 2021
Reporting date
Not listed
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DEFM14A File 001-03876

DEFM14A

Filing date
29 Oct 2021
Reporting date
Not listed
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DEFA14A File 001-03876

DEFA14A

Filing date
22 Sep 2021
Reporting date
Not listed
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DEFA14A File 001-03876

DEFA14A

Filing date
22 Sep 2021
Reporting date
Not listed
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PREM14A File 001-03876

PREM14A

Filing date
17 Sep 2021
Reporting date
17 Sep 2021
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DEFA14A File 001-03876

DEFA14A

Filing date
04 Aug 2021
Reporting date
Not listed
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DEFA14A File 001-03876

DEFA14A

Filing date
03 Aug 2021
Reporting date
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SD File 001-03876

SD

Filing date
28 May 2021
Reporting date
Not listed
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DEFA14A File 001-03876

DEFA14A

Filing date
25 Mar 2021
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DEF 14A File 001-03876

DEF 14A

Filing date
25 Mar 2021
Reporting date
12 May 2021
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424B5 File 333-228429

424B5

Filing date
16 Sep 2020
Reporting date
Not listed
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FWP File 333-228429

FWP

Filing date
15 Sep 2020
Reporting date
Not listed
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424B5 File 333-228429

424B5

Filing date
14 Sep 2020
Reporting date
Not listed
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S-8 File 333-238835

S-8

Filing date
01 Jun 2020
Reporting date
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SD File 001-03876

SD

Filing date
28 May 2020
Reporting date
Not listed
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DEFA14A File 001-03876

DEFA14A

Filing date
09 Apr 2020
Reporting date
Not listed
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