X0306 4 2018-01-24 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 and CEO Common Stock 74291 I See Footnote Common Stock 74291 I See Footnote Common Stock 2018-01-24 5 G false 6410 0 D 695317 D Common Stock 2018-01-25 5 G false 3205 0 D 692112 D Common Stock 2018-06-15 5 G false 15200 0 D 676912 D Common Stock 2018-12-28 5 G false 16667 0 D 660245 D Common Stock 2019-01-02 4 A false 26940 0 A 687185 D Common Stock 2019-01-02 4 A false 81731 0 A 768916 D Common Stock 2019-01-02 4 F false 34166 103.56 D 734750 D Common Stock 2019-01-04 4 F false 2298 109.78 D 732452 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, 2020. Shares issued pursuant to performance units granted on January 4, 2016. /s/ Travis L. Counts, as attorney-in-fact 2019-01-04