| Date | Filer | Title | Filing | Type | Shares Traded | Price | Total Held |
|---|---|---|---|---|---|---|---|
| June 17, 2008 | VP & Chief Medical Officer | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| June 17, 2008 | VP & Chief Medical Officer | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| June 17, 2008 | VP & Chief Medical Officer | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| November 21, 2007 | Chief Accounting Officer | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| November 21, 2007 | Chief Accounting Officer | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| November 21, 2007 | Chief Accounting Officer | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| March 14, 2007 | Director | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| July 29, 2005 | President, CEO | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | 62,500 | |
| March 4, 2005 | VP of Operations | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| March 4, 2005 | VP of Operations | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| February 24, 2005 | VP of Regulatory Affairs | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| February 24, 2005 | VP of Regulatory Affairs | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| May 17, 2021 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 5,000 | $1.07 | 5,357 | |
| February 28, 2020 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 5,000 | $0.90 | 45,000 | |
| November 20, 2019 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 6,000 | $1.42 | 40,000 | |
| November 6, 2019 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 10,000 | $1.39 | 51,491 | |
| November 4, 2019 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 4,000 | $1.61 | 34,000 | |
| August 2, 2019 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 10,000 | $1.73 | 41,491 | |
| July 25, 2019 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 6,000 | $1.76 | 30,000 | |
| July 24, 2019 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 10,000 | $1.73 | 31,491 | |
| June 19, 2019 | CFO | Form 4 | Open market or private purchase of non-derivative or derivative security | 5,000 | $1.89 | 7,298 | |
| May 16, 2019 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 4,000 | $2.15 | 24,000 | |
| May 16, 2019 | Director, Chairman, President and CEO | Form 4 | Open market or private purchase of non-derivative or derivative security | 5,000 | $2.16 | 32,700 | |
| March 6, 2019 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 3,400 | $2.13 | 21,491 | |
| March 6, 2019 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 3,300 | $2.13 | 18,050 |
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.
