Date Name Title Filing Type Shares Traded Price Total Held
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 1,200 $11.64 74,659
Sep 06, 2011
VP Regulatory Development and
VP Regulatory Development and Form 4 Open market or private sale of non-derivative or derivative security 1,200 $67.43 73,459
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 1,685 $11.64 75,144
Sep 06, 2011
VP Regulatory Development and
VP Regulatory Development and Form 4 Open market or private sale of non-derivative or derivative security 1,685 $68.41 73,459
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 -- 16,163
Sep 06, 2011
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 200 -- 15,963
Sep 06, 2011
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 700 -- 15,263
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 3,800 -- 11,463
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 8,578 -- 2,885
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 1,200 -- 1,685

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