| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date |
|---|
14159 CAPITAL (GP), LLC Beneficial Owner (10% or more) | Purchase 2012-03-13 | 57,704
2012-03-13 | BAKER BIOTECH CAPITAL (GP), LLC Beneficial Owner (10% or more) | Purchase 2012-03-13 | 232,011
2012-03-13 | BAKER BROTHERS LIFE SCIENCES CAPITAL (GP), LLC Beneficial Owner (10% or more) | Purchase 2012-03-13 | 3,540,015
2012-03-13 | MOORE DAVID Officer | Purchase 2011-09-29 | 1,050 2011-09-29 |
|