Date Filer Title Filing Type Shares Traded Price Total Held
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
January 19, 2009 VP & Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,000 $2.72 19,000
January 19, 2009 VP & Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 11,667 $2.72 121,667
January 19, 2009 VP & Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 11,667 $2.72 133,334
January 19, 2009 VP & Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 11,666 $2.72 145,000
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
November 19, 2008 VP & Chief Medical Officer Form 4 Open market or private purchase of non-derivative or derivative security 404 $2.50 8,404
June 18, 2008 VP & Chief Medical Officer Form 4 Open market or private purchase of non-derivative or derivative security 3,000 $4.10 8,000
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 -- -- --
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 -- -- --
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 -- -- --
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
March 17, 2015 Chief Scientific Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 37,500 -- 112,500
June 20, 2014 Chief Scientific Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,000 $3.50 5,000
June 20, 2014 Chief Scientific Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 40,000 -- 40,000
June 20, 2014 Chief Scientific Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 35,000 -- 75,000

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.