HollyFrontier Corp of DALLAS, TX filed a DEFM14A with the SEC on 2021-10-29. Industry: Petroleum Refining.
| Seq | Type | Description |
|---|---|---|
| 1 | DEFM14A | DEFM14A |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | GRAPHIC | GRAPHIC |
| 6 | GRAPHIC | GRAPHIC |
| 7 | GRAPHIC | GRAPHIC |
| 8 | GRAPHIC | GRAPHIC |
| 9 | GRAPHIC | GRAPHIC |
| 10 | GRAPHIC | GRAPHIC |
Showing 12 of 57 filings.
| Filed | Form |
|---|---|
| 2021-11-30 | DEFA14A |
| 2021-10-29 | DEFM14A |
| 2021-09-22 | DEFA14A |
| 2021-09-22 | DEFA14A |
| 2021-09-17 | PREM14A |
| 2021-08-04 | DEFA14A |
| 2021-08-03 | DEFA14A |
| 2021-03-25 | DEFA14A |
| 2021-03-25 | DEF 14A |
| 2020-04-09 | DEFA14A |
| 2020-03-26 | DEFA14A |
| 2020-03-26 | DEF 14A |