X0306 4 2012-03-19 false 0001358071 CONCHO RESOURCES INC CXO 0001034315 BEAL STEVEN L ONE CONCHO CENTER 600 W. ILLINOIS AVENUE MIDLAND TX 79701 true false false false Common Stock 2012-03-19 4 G false 50000 0 A 50000 I See Footnote Common Stock 2012-03-19 4 G false 50000 0 D 126139 D Common Stock 2012-08-21 4 M false 50000 8 A 176139 D Common Stock 2012-08-21 4 S false 25570 94.31 D 150569 D Common Stock 2012-08-21 4 S false 15830 95.41 D 134739 D Common Stock 2012-08-21 4 S false 8600 96.22 D 126139 D Common Stock 2012-08-22 4 M false 12500 15.4 A 138639 D Common Stock 2012-08-22 4 M false 37500 21.84 A 176139 D Common Stock 2012-08-22 4 S false 29841 93.29 D 146298 D Common Stock 2012-08-22 4 S false 20159 94.04 D 126139 D Employee Stock Option (Right to Buy) 15.4 2012-08-21 4 M false 50000 0 D 2007-06-12 2016-06-12 Common Stock 62500 12500 D Employee Stock Option (Right to Buy) 15.4 2012-08-22 4 M false 12500 0 D 2007-06-12 2016-06-12 Common Stock 12500 0 D Employee Stock Option (Right to Buy) 21.84 2012-08-22 4 M false 37500 0 D 2009-02-27 2018-02-27 Common Stock 150000 112500 D The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose. These securities are owned directly by a partnership, of which the reporting person is the manager of its general partner. Represents shares sold at a weighted-average price of open market same-day sale. Sale of shares took place at actual prices ranging from $94.00 to $94.98 per share. Represents shares sold at a weighted-average price of open market same-day sale. Sale of shares took place at actual prices ranging from $95.01 to $96.00 per share. Represents shares sold at a weighted-average price of open market same-day sale. Sale of shares took place at actual prices ranging from $96.02 to $96.57 per share. Represents shares sold at a weighted-average price of open market same-day sale. Sale of shares took place at actual prices ranging from $92.77 to $93.76 per share. Represents shares sold at a weighted-average price of open market same-day sale. Sale of shares took place at actual prices ranging from $93.77 to $94.28 per share. /s/ C. William Giraud, as attorney-in-fact 2012-08-23