0001246360-13-002119.txt : 20130318 0001246360-13-002119.hdr.sgml : 20130318 20130318172813 ACCESSION NUMBER: 0001246360-13-002119 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20130313 FILED AS OF DATE: 20130318 DATE AS OF CHANGE: 20130318 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: 13699088 MAIL ADDRESS: STREET 1: 5205 NORTH OCONNOR BLVD STREET 2: SUITE 200 CITY: IRVING STATE: TX ZIP: 75039 4 1 form.xml PRIMARY DOCUMENT X0306 4 2013-03-13 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 22025 I 401(k) Common Stock 2013-03-13 4 G false 3000 0 D 662217 D Common Stock 2013-03-14 4 S false 10000 127.1861 D 30000 I Family Trust (Officer Trustee) Common Stock 2013-03-15 4 S false 9600 128.8052 D 30400 I Family Trust (Spouse Trustee) Common Stock 2013-03-15 4 S false 400 129.56 D 30000 I Family Trust (Spouse Trustee) 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 This transaction was executed in multiple trades at prices ranging from $127.125 to $127.1805. The price reported above reflects the weighted average sale price. The reporting person will provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $128.31 to $129.29. The price reported above reflects the weighted average sale price. The reporting person will provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Mark H. Kleinman, Attorney-in-Fact For Scott D. Sheffield 2013-03-18