# PIONEER NATURAL RESOURCES USA INC — DEFA14A

PIONEER NATURAL RESOURCES USA INC of IRVING, TX filed a DEFA14A with the SEC on 2001-11-16. Industry: Crude Petroleum & Natural Gas.

## Filing

- Filed: 2001-11-16
- Form: DEFA14A
- Accession: 0000950134-01-508769
- Registrant: PIONEER NATURAL RESOURCES USA INC
- CIK: 0000846920
- Industry (SIC): Crude Petroleum & Natural Gas (1311)
- State of incorporation: DE
- Location: IRVING, TX

## Documents (1)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEFA14A | DEFINITIVE PROXY STATEMENT - ADDITIONAL MATERIALS |

## Filing timeline for this registrant (4)

| Filed | Form |
| --- | --- |
| 2001-11-16 | DEFA14A |
| [1999-09-08](https://search.stillhousedata.com/proxy/0000950134-99-008104) | SC 13E3 |
| [1999-09-08](https://search.stillhousedata.com/proxy/0000950134-99-008097) | SC 13E3 |
| [1999-09-08](https://search.stillhousedata.com/proxy/0000950134-99-008062) | PREM14A |

## More

- [CIK 846920 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=846920&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950134-01-508769.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.