0001246360-12-003776.txt : 20120913 0001246360-12-003776.hdr.sgml : 20120913 20120913163514 ACCESSION NUMBER: 0001246360-12-003776 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120912 FILED AS OF DATE: 20120913 DATE AS OF CHANGE: 20120913 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BERG MARK STEPHEN CENTRAL INDEX KEY: 0001238881 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13245 FILM NUMBER: 121090484 MAIL ADDRESS: STREET 1: 5205 N OCONNOR BLVD 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 X0306 4 2012-09-12 false 0001038357 PIONEER NATURAL RESOURCES CO PXD 0001238881 BERG MARK STEPHEN 5205 N. O'CONNOR BLVD., SUITE 200 IRVING TX 75039 false true false false EVP & General Counsel Common Stock 2012-09-12 4 S false 6000 106.4791 D 89401 D This transaction was executed in multiple trades at prices ranging from $106.47 to $106.484. 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 Mark S. Berg 2012-09-13