| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date |
BAVP, L.P. Beneficial Owner (10% or more) | Disposition (Non Open Market) 20-Aug-08 | 0 20-Aug-08 |
BOCK LOUIS C Director | Disposition (Non Open Market) 20-Aug-08 | 0
20-Aug-08 |
BURLEY STEPHEN Officer | Disposition (Non Open Market) 20-Aug-08 | 0 20-Aug-08 |
BVF PARTNERS L P/IL Beneficial Owner (10% or more) | Disposition (Non Open Market) 20-Aug-08 | 1,847,200 20-Aug-08 |
EASTHAM KARIN Director | Disposition (Non Open Market) 20-Aug-08 | 0 20-Aug-08 |
GREY MICHAEL G Officer | Disposition (Non Open Market) 20-Aug-08 | 0
20-Aug-08 |
HENNEY CHRISTOPHER S Director | Disposition (Non Open Market) 20-Aug-08 | 0 20-Aug-08 |
MYERS W TODD Officer | Disposition (Non Open Market) 20-Aug-08 | 0 20-Aug-08 |
REICH SIEGFRIED Officer | Disposition (Non Open Market) 20-Aug-08 | 0 20-Aug-08 |