Date Filer Title Filing Type Shares Traded Price Total Held
May 10, 2013 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $0.92 165,375
May 17, 2012 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $1.93 21,000
December 12, 2011 CMO Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $2.00 35,687
December 7, 2011 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $2.07 12,000
December 6, 2011 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $2.31 7,000
December 6, 2011 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $2.31 74,125
December 6, 2011 CFO Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $2.15 28,636
August 16, 2011 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $3.00 46,907
March 23, 2011 Director Form 4 Conversion of derivative security 5,000 $2.40 8,000
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
August 17, 2009 Director, President & CEO Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $3.30 65,917
March 17, 2009 Chief Financial Officer Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $2.40 35,000
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 Chief Financial Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,000 $2.72 30,000
October 9, 2007 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $5.84 104,010
October 9, 2007 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $5.84 109,010
October 2, 2018 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,100 $2.70 20,787
October 3, 2006 VP of Research & Development Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,100 $2.44 9,100
October 3, 2006 VP of Research & Development Form 4 Open market or private purchase of non-derivative or derivative security 5,100 -- 18,434
December 3, 2015 Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 5,556 $2.08 2,421,867
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
December 15, 2011 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,875 $1.80 80,000
February 27, 2007 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,896 -- 103,362
February 25, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 6,000 -- 107,357

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.