Date Name Title Filing Type Shares Traded Price Total Held
Mar 30, 2011
SVP Res and Dev Sciences
SVP Res and Dev Sciences Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 7,692 $13.00 58,042
Mar 30, 2011
SVP Res and Dev Sciences
SVP Res and Dev Sciences Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 7,692 -- --
Jul 24, 2009
SVP Res and Dev Sciences
SVP Res and Dev Sciences Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 10,537 $9.49 10,887
Jul 24, 2009
SVP Res and Dev Sciences
SVP Res and Dev Sciences Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 89,463 $9.49 89,813
Jul 24, 2009
SVP Res and Dev Sciences
SVP Res and Dev Sciences Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 10,537 -- --
Jul 24, 2009
SVP Res and Dev Sciences
SVP Res and Dev Sciences Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 89,463 -- --
Sep 29, 2008
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,000 $8.77 25,350
Sep 29, 2008
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,000 -- --
Apr 20, 2007
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,000 $8.77 29,297
Apr 20, 2007
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,000 -- 25,000

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