Date Filer Title Filing Type Shares Traded Price Total Held
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) 300 $4.39 27,367
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) 400 $4.38 27,067
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
March 3, 2006 EVP, CFO Form 4 Open market or private purchase of non-derivative or derivative security 2,500 $4.28 17,944
July 25, 2011 Director Form 4 Open market or private purchase of non-derivative or derivative security 46,838 $4.27 243,942
July 25, 2011 Director Form 4 Open market or private purchase of non-derivative or derivative security 18,735 $4.27 70,360
September 20, 2012 Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 18,735 $4.22 366,385
September 20, 2012 Director Form 4 Exercise of in-the-money or at-the-money derivative security 18,735 $4.22 --
March 20, 2006 VP - Clin. Dev. & Med. Affairs Form 4 Open market or private purchase of non-derivative or derivative security 800 $4.20 1,800
March 20, 2006 VP - Clin. Dev. & Med. Affairs Form 4 Open market or private purchase of non-derivative or derivative security 200 $4.19 2,000
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
March 14, 2006 Director Form 4 Open market or private purchase of non-derivative or derivative security 200 $4.05 200
March 14, 2006 Director Form 4 Open market or private purchase of non-derivative or derivative security 800 $4.05 1,000
March 14, 2006 VP - Clin. Dev. & Med. Affairs Form 4/A Open market or private purchase of non-derivative or derivative security 200 $4.05 200
March 14, 2006 VP - Clin. Dev. & Med. Affairs Form 4/A Open market or private purchase of non-derivative or derivative security 800 $4.05 1,000
March 17, 2006 Director Form 4 Open market or private purchase of non-derivative or derivative security 10,000 $4.03 70,800
May 7, 2010 President & CEO Form 4 Open market or private purchase of non-derivative or derivative security 4,000 $3.95 126,662
May 13, 2009 Director Form 4 Open market or private purchase of non-derivative or derivative security 15,000 $3.90 137,562
March 14, 2014 Director Form 4 Open market or private purchase of non-derivative or derivative security 2,500 $3.86 21,331
March 14, 2014 Director, President and CEO Form 4 Open market or private purchase of non-derivative or derivative security 4,000 $3.84 57,521
November 15, 2013 Director Form 4 Open market or private purchase of non-derivative or derivative security 3,000 $3.80 14,331
May 12, 2006 VP - Clin. Dev. & Med. Affairs Form 4 Open market or private purchase of non-derivative or derivative security 300 $3.75 2,300
May 12, 2006 VP - Clin. Dev. & Med. Affairs Form 4 Open market or private purchase of non-derivative or derivative security 1,700 $3.75 4,000

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.