X0306 4 2016-12-15 false 0001358071 CONCHO RESOURCES INC CXO 0001034312 LEACH TIMOTHY A ONE CONCHO CENTER 600 W. ILLINOIS AVENUE MIDLAND TX 79701 true true false false Chairman, CEO and President Common Stock 74291 I See Footnote Common Stock 74291 I See Footnote Common Stock 2016-12-15 5 G false 1725 0 D 656263 D Common Stock 2017-01-02 4 A false 17350 0 A 673613 D Common Stock 2017-01-02 4 A false 114736 0 A 788349 D Common Stock 2017-01-02 4 F false 50971 133.65 D 737378 D Common Stock 2017-01-03 4 S false 10140 134.055 D 727238 D Common Stock 2017-01-03 4 S false 19000 135.157 D 708238 D Common Stock 2017-01-03 4 S false 16010 136.106 D 692228 D Common Stock 2017-01-03 4 S false 1000 136.627 D 691228 D Common Stock 2017-01-04 4 F false 2450 135.695 D 688778 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 a restricted stock grant that vests in four annual installments beginning on January 2, 2018. Shares issued pursuant to performance units granted on January 2, 2014. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 28, 2016. Represents shares sold at a weighted-average price of open market same-day sale. Sale of shares took place at actual prices ranging from $133.55 to $134.54 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 $134.585 to $135.58 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 $135.59 to $136.58 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 $136.59 to $136.69 per share. /s/ Travis L. Counts, as attorney-in-fact 2017-01-04