Date Name Title Filing Type Shares Traded Price Total Held
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,438 $21.92 86,582
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,034 $20.32 97,182
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 4,966 -- --
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 4,562 -- --
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,034 -- --
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,438 -- --
Sep 06, 2011
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 4,512 $11.64 71,468
Sep 06, 2011
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 4,512 $11.64 73,838
Sep 06, 2011
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 4,513 $11.64 75,973
Sep 06, 2011
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 300 $11.64 73,759

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