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HollyFrontier Corp (HFC) Create: Alert

All | News | Filings
Date FiledTypeDescription
11/30/2021 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
09/22/2021 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
09/22/2021 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
08/03/2021 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
08/03/2021 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
03/25/2021 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
04/09/2020 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
03/26/2020 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
03/21/2019 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
04/11/2018 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
03/22/2018 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
03/23/2017 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
03/24/2016 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
03/26/2015 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
03/27/2014 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
03/28/2013 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
05/10/2012 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
03/30/2012 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
03/31/2011 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
03/25/2010 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

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