Date Name Title Filing Type Shares Traded Price Total Held
Feb 15, 2012
Director, President & CEO
Director, President & CEO Form 4 Other acquisition or disposition -- -- 5,416
Feb 15, 2012
SVP Research and Development S
SVP Research and Development S Form 4 Other acquisition or disposition -- -- 5,335
Feb 13, 2012
Director, Chairman of the Board
Director, Chairman of the Board Form 5 Other acquisition or disposition -- -- 40,087
Feb 13, 2012
Director, Chairman of the Board
Director, Chairman of the Board Form 5 Other acquisition or disposition -- -- 100,000
Feb 13, 2012
Director, Chairman of the Board
Director, Chairman of the Board Form 5 Other acquisition or disposition -- -- 2,271
Feb 13, 2012
Director, Chairman of the Board
Director, Chairman of the Board Form 5 Other acquisition or disposition -- -- 94,222
Feb 13, 2012
Director, Chairman of the Board
Director, Chairman of the Board Form 5 Other acquisition or disposition -- -- 160,000
Feb 13, 2012
Director, Chairman of the Board
Director, Chairman of the Board Form 5 Other acquisition or disposition -- -- 1,203
Feb 08, 2012
SVP Finance and Admin CFO Trea
SVP Finance and Admin CFO Trea Form 4 Other acquisition or disposition -- -- 5,416
Feb 02, 2012
SVP Finance and Admin CFO Trea
SVP Finance and Admin CFO Trea Form 4 Other acquisition or disposition -- -- 5,416

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.