| Date | Filer | Title | Filing | Type | Shares Traded | Price | Total Held |
|---|---|---|---|---|---|---|---|
| May 26, 2011 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 8,636 | $2.77 | 23,636 | |
| May 26, 2011 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 8,636 | $0.12 | 8,636 | |
| March 23, 2011 | CMO | Form 4 | Conversion of derivative security | 2,500 | $2.40 | 30,687 | |
| March 23, 2011 | CMO | Form 4 | Conversion of derivative security | 6 | -- | -- | |
| March 23, 2011 | CFO | Form 4 | Conversion of derivative security | 3,333 | $2.40 | 13,333 | |
| March 23, 2011 | CFO | Form 4 | Conversion of derivative security | 8 | -- | -- | |
| March 23, 2011 | Director | Form 4 | Conversion of derivative security | 5,000 | $2.40 | 8,000 | |
| March 23, 2011 | Director | Form 4 | Conversion of derivative security | 12 | -- | -- | |
| March 23, 2011 | Director | Form 4 | Conversion of derivative security | 34,583 | $2.40 | 34,583 | |
| March 23, 2011 | Director | Form 4 | Conversion of derivative security | 83 | -- | -- | |
| March 23, 2011 | CEO | Form 4 | Conversion of derivative security | 17,083 | $2.40 | 143,745 | |
| March 23, 2011 | CEO | Form 4 | Conversion of derivative security | 41 | -- | -- | |
| March 23, 2011 | Controller & CAO | Form 4 | Conversion of derivative security | 3,333 | $2.40 | 11,073 | |
| March 23, 2011 | Controller & CAO | Form 4 | Conversion of derivative security | 8 | -- | -- | |
| February 25, 2011 | CMO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 70,000 | $2.49 | 255,000 | |
| February 25, 2011 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 40,000 | $2.49 | 145,000 | |
| February 25, 2011 | CFO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 10,000 | -- | 35,000 | |
| February 25, 2011 | CFO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 70,000 | $2.49 | 170,000 | |
| February 25, 2011 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 40,000 | $2.49 | 70,000 | |
| February 25, 2011 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 50,000 | $2.49 | 219,911 | |
| February 25, 2011 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 15,000 | $2.49 | 45,000 | |
| February 25, 2011 | CEO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 180,000 | $2.49 | 845,000 | |
| February 25, 2011 | CAO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 16,667 | $2.49 | 38,067 | |
| February 25, 2011 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 50,000 | $2.49 | 157,009 | |
| January 14, 2011 | Chief Medical Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 6 | $1,197.80 | 6 |
For recent transactions, including derivative transactions, see our Section 16 SEC filings page.
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.
