Insider Transactions
| Date | Name | Title | Type | Filing | Shares Traded | Price Range | Total Held |
|---|---|---|---|---|---|---|---|
| Feb 01, 2008 | Director, Ten Percent Owner | Open market or private purchase of non-derivative or derivative security | Form 4 | 1,800 | $9.58 | 345,750 | |
| Feb 01, 2008 | Director, Ten Percent Owner | Open market or private purchase of non-derivative or derivative security | Form 4 | 1,800 | $9.13 | 301,615 | |
| Aug 06, 2008 | Director | Open market or private sale of non-derivative or derivative security | Form 4 | 1,812 | $16.75 | 1,884,079 | |
| Jul 16, 2008 | Director | Open market or private sale of non-derivative or derivative security | Form 4 | 1,832 | $13.16 | 1,959,621 | |
| Feb 11, 2009 | Director | Open market or private sale of non-derivative or derivative security | Form 4 | 1,839 | $9.42 | 1,652,390 | |
| Jun 15, 2020 | Chief Medical Officer | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | Form 4 | 1,846 | $11.14 | 165,108 | |
| Jun 17, 2019 | Chief Medical Officer | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | Form 4 | 1,846 | $11.35 | 148,500 | |
| Feb 06, 2008 | Ten Percent Owner | Open market or private purchase of non-derivative or derivative security | Form 4 | 1,885 | $10.21 | 536,252 | |
| Feb 06, 2008 | Director, Ten Percent Owner | Open market or private purchase of non-derivative or derivative security | Form 4 | 1,885 | $10.21 | 536,252 | |
| Feb 12, 2008 | Ten Percent Owner | Open market or private purchase of non-derivative or derivative security | Form 4 | 1,891 | $10.02 | 614,067 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.