Date Filer Title Filing Type Shares Traded Price Total Held
May 16, 2008
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 13,459 -- 13,459
May 13, 2010
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 12,151 -- 12,151
Feb 16, 2012
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 12,000 $16.56 654,933
Feb 16, 2012
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 12,000 -- --
Sep 07, 2007
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 12,000 $3.74 698,998
Sep 07, 2007
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 12,000 $2.92 710,998
Sep 07, 2007
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 12,000 $5.83 722,998
Sep 07, 2007
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 12,000 $7.13 734,998
Sep 07, 2007
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 12,000 $11.89 746,998
Sep 07, 2007
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 12,000 $12.32 758,998

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.