0001246360-12-000069.txt : 20120104 0001246360-12-000069.hdr.sgml : 20120104 20120104184534 ACCESSION NUMBER: 0001246360-12-000069 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20111231 FILED AS OF DATE: 20120104 DATE AS OF CHANGE: 20120104 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SHEFFIELD SCOTT D CENTRAL INDEX KEY: 0001034316 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13245 FILM NUMBER: 12508335 MAIL ADDRESS: STREET 1: 5205 NORTH OCONNOR BLVD STREET 2: SUITE 900 CITY: IRVING STATE: TX ZIP: 75039 4 1 form.xml PRIMARY DOCUMENT X0304 4 2011-12-31 false 0001038357 PIONEER NATURAL RESOURCES CO PXD 0001034316 SHEFFIELD SCOTT D 5205 N. O'CONNOR BLVD., SUITE 200 IRVING TX 75039 true true false false Chairman & CEO Common Stock 22103 I 401(k) Common Stock 2011-12-31 4 A false 151148 0 A 790313 D Common Stock 2012-01-04 4 F false 54065 92.63 D 736248 D Consists of shares beneficially owned as a result of reporting person's ownership of units in the Pioneer Natural Resources USA, Inc. 401(k) Plan Mark H. Kleinman, Attorney-in-Fact For Scott D. Sheffield 2012-01-04