Date Name Title Filing Type Shares Traded Price Total Held
Apr 29, 2011
Director
Director Form 4 Conversion of derivative security 20,000 -- 48,237
Feb 11, 2011
SVP F&A, CFO, Treas & Asst Sec
SVP F&A, CFO, Treas & Asst Sec Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 20,000 $19.43 97,734
Feb 11, 2011
SVP F&A, CFO, Treas & Asst Sec
SVP F&A, CFO, Treas & Asst Sec Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 20,000 -- 30,911
Jun 03, 2010
SVP F&A, CFO, Treas & Asst Sec
SVP F&A, CFO, Treas & Asst Sec Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 20,000 $13.00 63,734
Jun 03, 2010
SVP F&A, CFO, Treas & Asst Sec
SVP F&A, CFO, Treas & Asst Sec Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 20,000 -- 32,308
Dec 18, 2006
SVP, Clinical Development
SVP, Clinical Development Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 20,000 -- 20,000
Feb 07, 2006
Director
Director Form 4 Conversion of derivative security 20,000 -- 35,258
Feb 07, 2006
Director
Director Form 4 Conversion of derivative security 20,000 -- 35,349
Feb 11, 2005
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 20,000 $6.00 25,258
Feb 11, 2005
Director
Director Form 4 Open market or private sale of non-derivative or derivative security 20,000 $7.01 5,258

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