| Date | Filer | Title | Filing | Type | Shares Traded | Price | Total Held |
|---|---|---|---|---|---|---|---|
| February 19, 2010 | Chief Executive Offier | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 85,000 | $2.94 | 698,334 | |
| July 8, 2011 | Chief Financial Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 75,000 | $3.46 | 232,009 | |
| July 6, 2010 | Chief Financial Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 25,000 | -- | 25,000 | |
| July 6, 2010 | Chief Financial Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 100,000 | $3.39 | 100,000 | |
| March 17, 2009 | Chief Financial Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 5,000 | $2.40 | 35,000 | |
| January 19, 2009 | Chief Financial Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 5,000 | $2.72 | 30,000 | |
| January 19, 2009 | Chief Financial Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 6,667 | $2.72 | 106,667 | |
| January 19, 2009 | Chief Financial Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 6,667 | $2.72 | 113,334 | |
| January 19, 2009 | Chief Financial Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 6,666 | $2.72 | 120,000 | |
| December 8, 2008 | Chief Financial Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 25,000 | $3.00 | 25,000 | |
| December 8, 2008 | Chief Financial Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 100,000 | $3.00 | 100,000 | |
| December 11, 2023 | Chief Medical Officer | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| December 7, 2023 | Chief Medical Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 20,000 | -- | 20,000 | |
| December 7, 2023 | Chief Medical Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 80,000 | -- | 80,000 | |
| January 14, 2011 | Chief Medical Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 6 | $1,197.80 | 6 | |
| January 14, 2011 | Chief Medical Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 2,499 | -- | 2,500 | |
| September 22, 2010 | Chief Medical Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 1,550 | $3.03 | 28,087 | |
| September 22, 2010 | Chief Medical Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 100 | $3.04 | 28,187 | |
| February 19, 2010 | Chief Medical Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 7,537 | $2.94 | 26,537 | |
| February 19, 2010 | Chief Medical Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 40,000 | $2.94 | 185,000 | |
| March 15, 2024 | Chief Scientific Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 25,000 | -- | 110,688 | |
| March 17, 2023 | Chief Scientific Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 40,000 | -- | 85,688 | |
| May 15, 2018 | Chief Scientific Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 100,000 | -- | 124,643 | |
| May 30, 2017 | Chief Scientific Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 21,786 | -- | 21,786 | |
| February 2, 2016 | Chief Scientific Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 40,000 | -- | 152,500 |
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.
