| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date | 14159 CAPITAL (GP), LLC Beneficial Owner (10% or more) | Sale 1-Jun-09 | 120,828
1-Jun-09 | BABU YARLAGADDA S Officer | Automatic Sale 26-Oct-09 | 39,362 26-Oct-09 | BAKER / TISCH CAPITAL (GP), LLC Beneficial Owner (10% or more) | Sale 1-Jun-09 | 17,241
1-Jun-09 | BAKER BIOTECH CAPITAL (GP), LLC Beneficial Owner (10% or more) | Sale 1-Jun-09 | 1,522,015
1-Jun-09 | BAKER BROS. CAPITAL (GP), LLC Beneficial Owner (10% or more) | Sale 1-Jun-09 | 71,997
1-Jun-09 | BAKER BROTHERS LIFE SCIENCES CAPITAL (GP), LLC Beneficial Owner (10% or more) | Sale 1-Jun-09 | 3,831,534
1-Jun-09 | DARWIN MICHAEL A Officer | Purchase 31-Jul-08 | 3,048 31-Jul-08 | ERCK STANLEY C Director | Purchase 12-Mar-09 | 40,000 12-Mar-09 | GRANT STUART Officer | Purchase 30-Jan-09 | 6,000 30-Jan-09 | MILLS MIKE Officer | Option Exercise 23-Jul-09 | 0 23-Jul-09 | SHERIDAN WILLIAM P Officer | Automatic Sale 14-Oct-09 | 0 14-Oct-09 | STONEHOUSE JON P Officer | Purchase 30-Jan-09 | 103,603 30-Jan-09 |
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