Date Name Title Filing Type Shares Traded Price Total Held
Feb 23, 2012
SVP Clinical Development & Reg
SVP Clinical Development & Reg Form 4 Other acquisition or disposition -- -- 1,532
Feb 23, 2012
Director
Director Form 4 Conversion of derivative security 10,000 -- 10,000
Feb 23, 2012
Director
Director Form 4 Conversion of derivative security 10,000 -- 10,000
Feb 23, 2012
Director
Director Form 4 Conversion of derivative security 10,000 -- 10,000
Feb 23, 2012
Director
Director Form 4 Conversion of derivative security 10,000 -- 10,000
Feb 21, 2012
SVP Clinical Development & Reg
SVP Clinical Development & Reg Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 49,428 -- --
Feb 21, 2012
SVP Clinical Development & Reg
SVP Clinical Development & Reg Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 15,000 -- 30,000
Feb 21, 2012
SVP Clinical Development & Reg
SVP Clinical Development & Reg Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 20,000 -- --
Feb 21, 2012
SVP Clinical Development & Reg
SVP Clinical Development & Reg Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,438 -- --
Feb 16, 2012
VP Controller and Asst Treasur
VP Controller and Asst Treasur Form 4 Other acquisition or disposition -- -- 4,264

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