| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date |
|---|
AISLING CAPITAL II LP
Beneficial Owner (10% or more) | Purchase
Feb 6, 2012 | 3,293,060
Feb 6, 2012 | FERNANDES PRABHAVATHI
Officer | Ownership Statement
Feb 1, 2012 | 203,684
Feb 1, 2012 | GILL DAVID N
Director | Ownership Statement
Mar 31, 2012 | 0
Mar 31, 2012 | GOLDSTEIN DOV A MD
Director | Purchase
Feb 6, 2012 | 3,293,060
Feb 6, 2012 | HAHN MARK W
Officer | Ownership Statement
Feb 1, 2012 | 0
Feb 1, 2012 | INTERSOUTH ASSOCIATES VI, LLC
Beneficial Owner (10% or more) | Purchase
Feb 7, 2012 | 1,970,729
Feb 7, 2012 | JOHNSON JOHN
Director | Ownership Statement
Feb 1, 2012 | 0
Feb 1, 2012 | KENT RICHARD S
Director | Ownership Statement
Feb 1, 2012 | 1,482,070
Feb 1, 2012 | KONG GARHENG
Director | Ownership Statement
Feb 1, 2012 | 0
Feb 1, 2012 | MORRIS I WISTAR III
Beneficial Owner (10% or more) | Option Exercise
Aug 16, 2012 | 1,262,099
Aug 16, 2012 | NEFF P SHERRILL
Director | Purchase
Feb 7, 2012 | 3,262,154
Feb 7, 2012 |
|
0.25(3.63%) May 24, 4:00PM EDT