X0306 4 2020-12-10 false 0001168054 CIMAREX ENERGY CO XEC 0001811822 McCOY THOMAS F 1700 LINCOLN STREET SUITE 3700 DENVER CO 80203 false true false false SVP-Production Common Stock 1976 I By 401(k) Common Stock 2020-12-10 4 A false 15244 0 A 38070 D Common Stock 2020-12-10 4 A false 14482 0 A 52552 D Represents an award of restricted stock that will vest in its entirety on December 1, 2023 provided that the reporting person remains in the continuous employment of Cimarex through that date. Represents a performance award of restricted stock that is subject to the satisfaction of certain performance criteria through December 1, 2023 provided that the reporting person remains in continuous employment with Cimarex through that date. The amount of securities beneficially owned as reported in column 5 includes 35,244 shares of restricted stock subject to service-based vesting and 14,482 shares subject to service-based vesting and the satisfaction of certain performance criteria. Francis B. Barron, as Attorney-in-Fact 2020-12-14