X0306 4 2012-11-13 false 0001038357 PIONEER NATURAL RESOURCES CO PXD 0001465741 Reiman Scott 5205 N. O'CONNOR BLVD., SUITE 200 IRVING TX 75039 true false false false Common Stock 2012-11-13 4 S false 5000 104.6601 D 14912 D This transaction was executed in multiple trades at prices ranging from $104.66 to $104.664. 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 Reiman 2012-11-15