X0303 4 2009-12-17 false 0001168054 CIMAREX ENERGY CO XEC 0001196784 ALBI JOSEPH R 1700 LINCOLN STREET SUITE 1800 DENVER CO 80203 false true false false Executive VP Common Stock 800 I By IRA Common Stock 5139 I By 401(k) Common Stock 2009-12-17 4 M false 17800 16.65 A 175801 D Common Stock 2009-12-17 4 S false 10734 51.359 D 165067 D Common Stock 2009-12-18 4 S false 3510 51.9845 D 161557 D Stock Option 16.65 2009-12-17 4 M false 17800 0 D 2003-12-06 2012-12-06 Common Stock 17800 20000 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.33 to $51.39, 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 price reported in Column 4 for December 18, 2009 sales is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.75 to $52.02, 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. Includes 14,273 shares of restricted stock that may not be sold until December 6, 2010, 90,000 performance shares and 45,500 restricted stock units. Thomas A. Richardson, attorney in fact 2009-12-18