X0306 4 2014-02-26 false 0001168054 CIMAREX ENERGY CO XEC 0001196793 HELMERICH HANS C/O CIMAREX ENERGY CO. 1700 LINCOLN STREET, SUITE 1800 DENVER CO 80203 true false false false Common Stock 52876 I Trustee, 1993 Hans Helmerich Trust Common Stock 11450 I By Wife Common Stock 1062 I Co-Trustee of Family Trust Common Stock 7865 I Trustee of Family Trust Common Stock 2157 I By daughter Hailey Common Stock 55000 I Co-Trustee of The Helmerich Foundation Common Stock 2014-02-26 4 S false 10000 111.1237 D 5988 D Common Stock 2014-02-26 4 S false 28800 111.3144 D 371200 I Trustee of Estate of W.H. Helmerich III Mr. Helmerich disclaims beneficial ownership of these shares. The price reported in Column 4 for February 26, 2014 sales is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.00 to $111.35, inclusive. The reporting person undertakes to provide to Cimarex Energy Co., any security holder of Cimarex Energy Co. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The amount of securities beneficially owned as reported in column 5 includes 5,171 shares of restricted stock subject to service-based vesting. The price reported in Column 4 for February 26, 2014 sales is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.00 to $111.485, inclusive. The reporting person undertakes to provide to Cimarex Energy Co., any security holder of Cimarex Energy Co. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote Mary Kay Rohrer, attorney-in-fact 2014-02-26