Date Filer Title Filing Type Shares Traded Price Total Held
May 6, 2013 SVP Investor Relations Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 80,000 -- 300,000
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
December 1, 2015 Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 15,000 $2.15 2,427,423
November 30, 2015 Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 20,000 $2.15 2,442,423
September 8, 2015 Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 10,000 $2.11 2,462,423
August 17, 2015 Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 10,000 $2.19 2,472,423
August 13, 2015 Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 20,000 $2.23 2,482,423
August 5, 2015 Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 10,000 $2.26 2,502,423
February 20, 2015 Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 199,765 $3.30 2,512,423
June 27, 2014 Ten Percent Owner Form 3 Initial Statement of Beneficial Ownership of Securities -- -- 2,712,188
June 9, 2004 Vice President,General Counsel Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 200,000 -- 200,000
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
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
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 15, 2006 VP - Operations Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,534 -- 6,534
March 15, 2006 VP - Operations Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 3,500 -- 20,167
March 15, 2006 VP - Operations Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 2,000 -- 8,534
March 15, 2006 VP - Regulatory Affairs Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 2,369 -- 2,369
March 15, 2006 VP - Regulatory Affairs Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 3,500 -- 26,834
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

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.