| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date |
14159 CAPITAL (GP), LLC Beneficial Owner (10% or more) | Ownership Statement 19-Oct-09 | 156,591
19-Oct-09 |
BAKER / TISCH CAPITAL (GP), LLC Beneficial Owner (10% or more) | Ownership Statement 19-Oct-09 | 5,967
19-Oct-09 |
BAKER BIOTECH CAPITAL (GP), LLC Beneficial Owner (10% or more) | Ownership Statement 19-Oct-09 | 1,432,692
19-Oct-09 |
BAKER BROS. CAPITAL (GP), LLC Beneficial Owner (10% or more) | Ownership Statement 19-Oct-09 | 1,786
19-Oct-09 |
BAKER BROTHERS LIFE SCIENCES CAPITAL (GP), LLC Beneficial Owner (10% or more) | Ownership Statement 19-Oct-09 | 5,264,782
19-Oct-09 |
GODDARD PAUL Director | Acquisition (Non Open Market) 27-May-09 | 104,750 27-May-09 |
PRENTKI RONALD J Officer | Disposition (Non Open Market) 8-Jul-09 | 42,399 8-Jul-09 |
RIEPENHAUSEN PETER Director | Acquisition (Non Open Market) 28-May-08 | 9,000 28-May-08 |
ROSENBLATT TOBY Director | Acquisition (Non Open Market) 27-May-09 | 100,301 27-May-09 |
TANG KEVIN C Director | Purchase 19-Oct-09 | 10,436,506
19-Oct-09 |
TAYLOR ARTHUR T Director | Acquisition (Non Open Market) 28-May-08 | 12,000 28-May-08 |
TURNBULL GREG Director | Acquisition (Non Open Market) 27-May-09 | 135,159 27-May-09 |
ZERBE ROBERT L MD Director | Acquisition (Non Open Market) 27-May-09 | 92,139 27-May-09 |