X0306 4 2016-02-17 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 2016-02-17 4 S false 64209 95.164 D 662542 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. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person. Represents shares sold at a weighted-average price of open market same-day sale. Sale of shares took place at actual prices ranging from $95.00 to $96.00 per share. /s/ Travis L. Counts, as attorney-in-fact 2016-02-19