Date Name Title Filing Type Shares Traded Price Total Held
Feb 14, 2012
Director, President & CEO
Director, President & CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,801 -- 1,801
Feb 14, 2012
Director, President & CEO
Director, President & CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 27,475 -- 29,276
Feb 14, 2012
SVP Research and Development S
SVP Research and Development S Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 50,000 -- 69,048
Feb 13, 2012
SVP Research and Development S
SVP Research and Development S Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 63,234 -- 3,432
Feb 13, 2012
SVP Research and Development S
SVP Research and Development S Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 3,432 -- --
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

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