| Date | Filer | Title | Filing | Type | Shares Traded | Price | Total Held |
|---|---|---|---|---|---|---|---|
| November 16, 2005 | EVP, CFO | Form 4 | Open market or private purchase of non-derivative or derivative security | 21,300 | $0.29 | 21,300 | |
| November 16, 2005 | EVP, CFO | Form 4/A | Open market or private purchase of non-derivative or derivative security | 3,700 | $0.29 | 210,367 | |
| November 15, 2005 | VP of Operations | Form 4/A | Open market or private purchase of non-derivative or derivative security | 20,000 | $0.31 | 30,000 | |
| November 15, 2005 | VP of Operations | Form 4 | Open market or private purchase of non-derivative or derivative security | 20,000 | $0.31 | 20,000 | |
| November 14, 2005 | EVP, CFO | Form 4 | Open market or private purchase of non-derivative or derivative security | 25,000 | $0.32 | 25,000 | |
| November 14, 2005 | President, CEO | Form 4/A | Open market or private purchase of non-derivative or derivative security | 76,645 | $0.33 | 139,145 | |
| November 14, 2005 | President, CEO | Form 4 | Open market or private purchase of non-derivative or derivative security | 76,645 | $0.33 | 76,645 | |
| May 25, 2005 | VP of Operations | Form 4 | Open market or private purchase of non-derivative or derivative security | 10,000 | $0.39 | 10,000 | |
| May 24, 2005 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 55,700 | $0.41 | 720,095 | |
| May 24, 2005 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 20,000 | $0.42 | 148,346 | |
| May 23, 2005 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 44,300 | $0.40 | 664,395 | |
| June 9, 2004 | Exec. VP, Chief Operating Off. | Form 4 | Open market or private purchase of non-derivative or derivative security | 30,000 | $0.70 | 181,667 | |
| December 22, 2003 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 22,938 | $1.09 | 521,411 | |
| December 11, 2023 | Chief Medical Officer | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| October 3, 2022 | Director | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| July 20, 2022 | Director, President and CEO | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| June 9, 2021 | Director | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| June 8, 2021 | Director | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| June 27, 2014 | Ten Percent Owner | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | 2,712,188 | |
| July 12, 2011 | Director | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | 2,000 | |
| January 8, 2010 | Interim Chief Accnt Officer | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| January 8, 2010 | Interim Chief Accnt Officer | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| January 8, 2010 | Interim Chief Accnt 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 | -- | -- | 5,000 | |
| June 17, 2008 | VP & Chief Medical Officer | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- |
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.
