X0306 4 2019-12-01 false 0001168054 CIMAREX ENERGY CO XEC 0001196784 ALBI JOSEPH R 1700 LINCOLN STREET SUITE 3700 DENVER CO 80203 true true false false Executive VP, COO Common Stock 800 I By IRA Common Stock 454 I By 401(k) Common Stock 2019-12-01 4 J false 10667 0 A 54274 I By Trust Common Stock 2019-12-01 4 F false 8375 45.97 D 100149 D Common Stock 2019-12-01 4 J false 14963 45.97 D 85186 D Common Stock 2019-12-01 4 J false 10667 0 D 74519 D Relates to performance award with a vesting date of 12/1/2019. Represents shares vested but withheld for taxes as permitted by the award agreement. Because the vesting date was not a business day, the number of shares withheld for taxes was determined based on the fair market value of the common stock on November 29, 2019, the previous business day. Represents shares forfeited pursuant to performance conditions under a Performance Award Agreement. The amount of securities beneficially owned as reported in column 5 includes 19,894 shares of restricted stock subject to service-based vesting and 54,625 shares subject to service-based vesting and the satisfaction of certain performance criteria. Represents 12/1/2019 vested shares, which upon vesting were transferred to a trust. Francis B. Barron, as Attorney-in-Fact 2019-12-03