# HollyFrontier Corp — DEF 14A

HollyFrontier Corp of DALLAS, TX filed a DEF 14A with the SEC on 2009-04-10. Industry: Petroleum Refining.

## Filing

- Filed: 2009-04-10
- Form: DEF 14A
- Accession: 0000950134-09-007340
- Registrant: HollyFrontier Corp
- CIK: 0000048039
- Industry (SIC): Petroleum Refining (2911)
- State of incorporation: DE
- Location: DALLAS, TX

## Documents (3)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | DEF 14A |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (57)

_Showing 12 of 57 filings._

| Filed | Form |
| --- | --- |
| [2021-11-30](https://search.stillhousedata.com/proxy/0001193125-21-343782) | DEFA14A |
| [2021-10-29](https://search.stillhousedata.com/proxy/0001193125-21-313179) | DEFM14A |
| [2021-09-22](https://search.stillhousedata.com/proxy/0001193125-21-279523) | DEFA14A |
| [2021-09-22](https://search.stillhousedata.com/proxy/0001193125-21-279448) | DEFA14A |
| [2021-09-17](https://search.stillhousedata.com/proxy/0001193125-21-275987) | PREM14A |
| [2021-08-04](https://search.stillhousedata.com/proxy/0001193125-21-235407) | DEFA14A |
| [2021-08-03](https://search.stillhousedata.com/proxy/0001193125-21-233930) | DEFA14A |
| [2021-03-25](https://search.stillhousedata.com/proxy/0001193125-21-094222) | DEFA14A |
| [2021-03-25](https://search.stillhousedata.com/proxy/0001193125-21-094218) | DEF 14A |
| [2020-04-09](https://search.stillhousedata.com/proxy/0001193125-20-102169) | DEFA14A |
| [2020-03-26](https://search.stillhousedata.com/proxy/0001193125-20-086775) | DEFA14A |
| [2020-03-26](https://search.stillhousedata.com/proxy/0001193125-20-086757) | DEF 14A |

## More

- [CIK 48039 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=48039&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950134-09-007340.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.