457 filings
8-K
HF Sinclair Corp.
27 Apr 22
Entry into a Material Definitive Agreement
4:33pm
8-K
HF Sinclair Corp.
8 Apr 22
Entry into a Material Definitive Agreement
4:46pm
8-K
HF Sinclair Corp.
16 Mar 22
Entry into a Material Definitive Agreement
4:38pm
8-K
HF Sinclair Corp.
1 Mar 22
HOLLYFRONTIER INVESTOR PRESENTATION March 2022
6:23am
8-K
HF Sinclair Corp.
23 Feb 22
HollyFrontier Corporation Reports 2021 Fourth Quarter and Full Year Results
6:35am
8-K
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3 Jan 22
HOLLYFRONTIER INVESTOR PRESENTATION January 2022
4:39pm
8-K
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3 Jan 22
Regulation FD Disclosure
6:21am
8-K
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14 Dec 21
Regulation FD Disclosure
6:35am
8-K
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10 Dec 21
Submission of Matters to a Vote of Security Holders
6:50am
8-K
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30 Nov 21
Other Events
5:02pm
8-K
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16 Nov 21
HOLLYFRONTIER INVESTOR PRESENTATION November 2021
12:00am
8-K
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10 Nov 21
HollyFrontier Announces Promotion of Tim Go to President and Chief Operating Officer
4:32pm
8-K
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3 Nov 21
HollyFrontier Corporation Reports Quarterly Results
6:36am
8-K
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1 Nov 21
HollyFrontier Closes Acquisition of Puget Sound Refinery
3:20pm
8-K
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22 Sep 21
Regulation FD Disclosure
4:57pm
8-K
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22 Sep 21
Other Events
4:19pm
8-K
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15 Sep 21
Amendments to Articles of Incorporation or Bylaws
12:00am
8-K
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8 Sep 21
HOLLYFRONTIER INVESTOR PRESENTATION September 2021
12:00am
8-K
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3 Aug 21
Regulation FD Disclosure
9:48pm
8-K
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3 Aug 21
HollyFrontier Corporation Reports Quarterly Results
6:17am