| Date | Filer | Title | Filing | Type | Shares Traded | Price | Total Held |
|---|---|---|---|---|---|---|---|
| May 30, 2017 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,500 | -- | 12,500 | |
| May 30, 2017 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,500 | -- | 12,500 | |
| February 2, 2016 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 5,000 | $1.33 | 12,676 | |
| May 26, 2011 | Controller & CAO | Form 4 | Open market or private purchase of non-derivative or derivative security | 1,727 | $2.77 | 12,800 | |
| February 20, 2018 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 3,000 | $2.17 | 12,841 | |
| March 23, 2011 | CFO | Form 4 | Conversion of derivative security | 3,333 | $2.40 | 13,333 | |
| November 20, 2008 | VP & Chief Medical Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 5,596 | $2.50 | 14,000 | |
| March 15, 2024 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 4,500 | -- | 14,166 | |
| March 15, 2024 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 4,500 | -- | 14,166 | |
| November 15, 2013 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 3,000 | $3.80 | 14,331 | |
| September 20, 2018 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 2,500 | $2.70 | 14,750 | |
| September 16, 2010 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 5,000 | $3.10 | 15,000 | |
| February 19, 2010 | Interim CAO, Controller | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 5,000 | $2.94 | 15,000 | |
| October 29, 2007 | Chief Accounting Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 1,666 | $6.10 | 15,000 | |
| October 29, 2007 | Chief Accounting Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 1,666 | $6.10 | 15,000 | |
| October 29, 2007 | Chief Accounting Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 1,666 | $6.10 | 15,000 | |
| February 23, 2007 | VP of Research & Development | Form 4 | Open market or private purchase of non-derivative or derivative security | 6,000 | $3.55 | 15,100 | |
| February 25, 2020 | Controller | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 14,500 | $1.16 | 15,258 | |
| August 15, 2018 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 2,750 | $2.37 | 15,591 | |
| February 20, 2018 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 13,625 | $2.18 | 15,687 | |
| March 19, 2012 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 4,000 | $1.85 | 16,000 | |
| March 4, 2022 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 6,250 | -- | 16,337 | |
| March 17, 2023 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 2,000 | -- | 16,430 | |
| May 26, 2011 | CFO | Form 4 | Open market or private purchase of non-derivative or derivative security | 3,454 | $2.77 | 16,787 | |
| December 7, 2012 | President & CEO | Form 4 | Exercise of in-the-money or at-the-money derivative security | 17,271 | $2.77 | 17,083 |
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.
