| Date Filed | Type | Description |
| 02/13/2023 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 05/02/2022 |
15-15D
| Form 15-15D - Suspension of duty to report [Section 13 and 15(d)]: |
| 04/29/2022 |
15-12B
| Form 15-12B - Securities registration termination [Section 12(b)]: |
| 04/28/2022 |
10-K/A
| Annual Report for the period ended December 31, 2021 [amend] |
| 04/27/2022 |
8-K
| Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Material Modifications to Rights ... |
| 04/08/2022 |
8-K
| Entry into a Material Definitive Agreement, Financial Statements and Exhibits Interactive Data |
| 03/29/2022 |
15-12B
| Form 15-12B - Securities registration termination [Section 12(b)]: |
| 03/18/2022 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 03/18/2022 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 03/18/2022 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 03/18/2022 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 03/18/2022 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 03/16/2022 |
8-K
| Entry into a Material Definitive Agreement, Completion of Acquisition or Disposition of Assets, Notice of Delisting or Failur... |
| 03/15/2022 |
25-NSE
| Form 25-NSE - Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities: |
| 03/01/2022 |
8-K
| Quarterly results |
| 02/23/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 02/23/2022 |
8-K
| Results of Operations and Financial Condition, Financial Statements and Exhibits Interactive Data |
| 02/11/2022 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/09/2022 |
SC 13G/A
| VANGUARD GROUP INC reports a 8.6% stake in HollyFrontier Corp. |
| 02/09/2022 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/09/2022 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 01/31/2022 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 01/03/2022 |
8-K
| Regulation FD Disclosure, Financial Statements and Exhibits Interactive Data |
| 01/03/2022 |
8-K
| Regulation FD Disclosure Interactive Data |
| 12/14/2021 |
8-K
| Quarterly results |
| 12/10/2021 |
8-K
| Quarterly results |
| 11/30/2021 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 11/30/2021 |
8-K
| Other Events Interactive Data |
| 11/10/2021 |
8-K
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements... |
| 11/03/2021 |
10-Q
| Quarterly Report for the period ended September 30, 2021 |
| 11/03/2021 |
8-K
| Results of Operations and Financial Condition, Financial Statements and Exhibits Interactive Data |
| 11/01/2021 |
8-K
| Regulation FD Disclosure, Other Events, Financial Statements and Exhibits Interactive Data |
| 10/29/2021 |
DEFM14A
| Form DEFM14A - Definitive proxy statement relating to merger or acquisition: |
| 09/22/2021 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
|