749 filings
Page 5 of 38
8-K
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18 May 20
HollyFrontier Corporation Announces Retirement of Mark Plake and Appointment of Bruce Lerner as President of its Lubricants & Specialties Segment
4:19pm
8-K
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15 May 20
Departure of Directors or Certain Officers
12:00am
8-K
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13 May 20
HollyFrontier Corporation Announces Regular Cash Dividend
4:27pm
8-K
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7 May 20
HollyFrontier Corporation Reports Quarterly Results
6:27am
DEFA14A
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9 Apr 20
Additional proxy soliciting materials
9:00am
8-K
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8 Apr 20
HollyFrontier Corporation Provides Business Update Related to COVID-19
6:46am
8-K
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2 Apr 20
HollyFrontier Corporation Announces New Chief Operating Officer
6:42am
DEFA14A
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26 Mar 20
Additional proxy soliciting materials
2:59pm
8-K
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16 Mar 20
HOLLYFRONTIER INVESTOR PRESENTATION March 2020
6:45am
8-K
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20 Feb 20
HollyFrontier Corporation Reports 2019 Fourth Quarter and Full Year Results
6:30am
8-K
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12 Feb 20
HollyFrontier Corporation Announces Regular Cash Dividend
4:13pm
8-K
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11 Feb 20
Departure of Directors or Certain Officers
4:17pm
8-K
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6 Jan 20
Departure of Directors or Certain Officers
4:47pm
8-K/A
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26 Nov 19
Departure of Directors or Certain Officers
5:19pm
8-K
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18 Nov 19
HollyFrontier Corporation Announces New Growth Opportunity and Shareholder Return Initiatives
6:40am
8-K
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15 Nov 19
HollyFrontier Corporation Announces CEO Retirement and Appointment of New CEO
6:52am
8-K
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13 Nov 19
HollyFrontier Corporation Announces Increase in Regular Dividend
4:40pm