| Date | Filer | Title | Filing | Type | Shares Traded | Price | Total Held |
|---|---|---|---|---|---|---|---|
| October 3, 2018 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 4,900 | $2.70 | 25,687 | |
| June 11, 2014 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 5,000 | $3.20 | 26,331 | |
| 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 | |
| March 15, 2006 | VP - Regulatory Affairs | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 3,500 | -- | 26,834 | |
| June 13, 2022 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 7,500 | -- | 26,978 | |
| June 13, 2022 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 7,500 | -- | 27,004 | |
| June 16, 2008 | Director, President & CEO | Form 4/A | Open market or private purchase of non-derivative or derivative security | 400 | $4.38 | 27,067 | |
| June 16, 2008 | Director, President & CEO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 400 | $4.38 | 27,067 | |
| June 13, 2022 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 7,500 | -- | 27,242 | |
| June 16, 2008 | Director, President & CEO | Form 4/A | Open market or private purchase of non-derivative or derivative security | 300 | $4.39 | 27,367 | |
| June 16, 2008 | Director, President & CEO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 300 | $4.39 | 27,367 | |
| October 29, 2018 | Director, Chairman, President and CEO | Form 4 | Open market or private purchase of non-derivative or derivative security | 7,500 | $2.06 | 27,700 | |
| 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 | |
| March 15, 2006 | EVP-COO, CFO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 10,478 | -- | 28,423 | |
| December 6, 2011 | CFO | Form 4 | Open market or private purchase of non-derivative or derivative security | 5,000 | $2.15 | 28,636 | |
| February 2, 2016 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 5,000 | $1.33 | 28,999 | |
| June 16, 2008 | Director, President & CEO | Form 4/A | Open market or private purchase of non-derivative or derivative security | 1,800 | $4.40 | 29,167 | |
| June 16, 2008 | Director, President & CEO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 1,800 | $4.40 | 29,167 | |
| February 11, 2014 | Controller and CAO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 10,000 | -- | 29,257 | |
| June 13, 2022 | Controller | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 7,500 | -- | 29,300 | |
| March 15, 2006 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 8,578 | -- | 29,912 | |
| February 11, 2014 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 10,000 | -- | 29,998 | |
| July 25, 2019 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 6,000 | $1.76 | 30,000 | |
| December 15, 2015 | Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 30,000 | -- | 30,000 |
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.
