0001246360-12-002525.txt : 20120521 0001246360-12-002525.hdr.sgml : 20120521 20120521171029 ACCESSION NUMBER: 0001246360-12-002525 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120517 FILED AS OF DATE: 20120521 DATE AS OF CHANGE: 20120521 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: RAMSEY CHARLES E JR CENTRAL INDEX KEY: 0001034310 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13245 FILM NUMBER: 12859637 MAIL ADDRESS: STREET 1: 5205 N O CONNOR BLVD STREET 2: SUITE 900 CITY: IRVING STATE: TX ZIP: 75039 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: PIONEER NATURAL RESOURCES CO CENTRAL INDEX KEY: 0001038357 STANDARD INDUSTRIAL CLASSIFICATION: CRUDE PETROLEUM & NATURAL GAS [1311] IRS NUMBER: 752702753 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 200 WILLIAMS SQUARE WEST STREET 2: 5205 N OCONNOR BLVD CITY: IRVING STATE: TX ZIP: 75039 BUSINESS PHONE: 9724449001 MAIL ADDRESS: STREET 1: 200 WILLIAMS SQUARE WEST STREET 2: 5205 N OCONNOR BLVD CITY: IRVING STATE: TX ZIP: 75039 4 1 form.xml PRIMARY DOCUMENT X0305 4 2012-05-17 false 0001038357 PIONEER NATURAL RESOURCES CO PXD 0001034310 RAMSEY CHARLES E JR 5205 N. O'CONNOR BLVD., SUITE 200 IRVING TX 75039 true false false false Common Stock 14248 I by Trust Common Stock 2012-05-17 4 A false 2476 0 A 3151 D Mark H. Kleinman, Attorney-in-Fact For Charles E. Ramsey, Jr. 2012-05-21