-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, UfS28FBRSFAvNzNmwpWBGOFBqFGgWzGDZLnvQUoKoJho0AFsQ4mAFijS9OWAGSrg yp1EHSVpYNP0dkNz8pRzcQ== 0001246360-10-001606.txt : 20100316 0001246360-10-001606.hdr.sgml : 20100316 20100316175954 ACCESSION NUMBER: 0001246360-10-001606 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20100312 FILED AS OF DATE: 20100316 DATE AS OF CHANGE: 20100316 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: 10686832 MAIL ADDRESS: STREET 1: 5205 NORTH OCONNOR BLVD STREET 2: SUITE 900 CITY: IRVING STATE: TX ZIP: 75039 4 1 form.xml PRIMARY DOCUMENT X0303 4 2010-03-12 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 22133 I 401(k) Common Stock 2010-03-12 4 M false 10000 25.58 A 632283 D Common Stock 2010-03-12 4 S false 1400 52.2096 D 630883 D Common Stock 2010-03-12 4 S false 500 52.21 D 630383 D Common Stock 2010-03-12 4 S false 1900 52.2142 D 628483 D Common Stock 2010-03-12 4 S false 326 52.225 D 628157 D Common Stock 2010-03-12 4 S false 500 52.23 D 627657 D Common Stock 2010-03-12 4 S false 1200 52.2392 D 626457 D Common Stock 2010-03-12 4 S false 500 52.24 D 625957 D Common Stock 2010-03-12 4 S false 1100 52.2468 D 624857 D Common Stock 2010-03-12 4 S false 400 52.2687 D 624457 D Common Stock 2010-03-12 4 S false 200 52.27 D 624257 D Common Stock 2010-03-12 4 S false 200 52.28 D 624057 D Common Stock 2010-03-12 4 S false 374 52.2804 D 623683 D Common Stock 2010-03-12 4 S false 400 52.285 D 623283 D Common Stock 2010-03-12 4 S false 200 52.29 D 623083 D Common Stock 2010-03-12 4 S false 200 52.38 D 622883 D Common Stock 2010-03-12 4 S false 500 52.39 D 622383 D Common Stock 2010-03-12 4 S false 100 52.41 D 622283 D Non-Qualified Stock Option (right to buy) 25.58 2010-03-12 4 M false 10000 0 D 2005-08-19 2010-08-19 Common Stock 10000 0 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 2010-03-16 -----END PRIVACY-ENHANCED MESSAGE-----