Date Filer Title Filing Type Shares Traded Price Total Held
June 9, 2004 Executive VP & Chief Op. Off. Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 100,000 -- 1,720,000
June 9, 2004 Exec. VP, Chief Operating Off. Form 4 Open market or private purchase of non-derivative or derivative security 30,000 $0.70 181,667
June 9, 2004 Exec. VP, Chief Operating Off. Form 4 Exercise of in-the-money or at-the-money derivative security 30,000 -- 1,620,000
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 17, 2004 Director, President and CEO Form 4 Bona fide gift 1,000,000 -- 3,537,176
December 22, 2003 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 41,287 -- --
December 22, 2003 Director Form 4 Open market or private purchase of non-derivative or derivative security 22,938 $1.09 521,411
December 22, 2003 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 18,349 -- 18,349
December 22, 2003 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 18,349 -- 128,346
December 22, 2003 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 18,349 -- 79,308
August 15, 2014 CEO Form 4/A Open market or private purchase of non-derivative or derivative security 4,000 $3.12 74,521
June 20, 2014 Director, CEO Form 4/A Grant, award or other acquisition pursuant to Rule 16b-3(d) 15,000 -- 77,521
June 20, 2014 Director, CEO Form 4/A Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 3,000 $3.50 74,521
June 20, 2014 Director, CEO Form 4/A Grant, award or other acquisition pursuant to Rule 16b-3(d) 140,556 -- 443,885
February 11, 2014 Director, CEO Form 4/A Grant, award or other acquisition pursuant to Rule 16b-3(d) 44,444 -- 303,329
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/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/A Open market or private purchase of non-derivative or derivative security 1,800 $4.40 29,167
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
November 17, 2005 EVP, CFO Form 4/A Open market or private purchase of non-derivative or derivative security 21,300 $0.29 231,667
November 16, 2005 EVP, CFO Form 4/A Open market or private purchase of non-derivative or derivative security 3,700 $0.29 210,367
November 15, 2005 VP of Operations Form 4/A Open market or private purchase of non-derivative or derivative security 20,000 $0.31 30,000
November 14, 2005 President, CEO Form 4/A Open market or private purchase of non-derivative or derivative security 76,645 $0.33 139,145

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.