Date Name Title Filing Type Shares Traded Price Total Held
Jan 31, 2012
SVP Finance and Admin CFO Trea
SVP Finance and Admin CFO Trea Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 3,893 -- 3,893
Jan 31, 2012
SVP Commercial
SVP Commercial Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 23,128 -- 12,500
Jan 26, 2012
SVP Finance and Admin CFO Trea
SVP Finance and Admin CFO Trea Form 4 Bona fide gift 2,250 -- 87,111
Jan 23, 2012
SVP Finance and Admin CFO Trea
SVP Finance and Admin CFO Trea Form 4 Other acquisition or disposition -- -- 5,416
Jan 19, 2012
SVP Finance and Admin CFO Trea
SVP Finance and Admin CFO Trea Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 40,800 -- 29,279
Jan 19, 2012
SVP Finance and Admin CFO Trea
SVP Finance and Admin CFO Trea Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 10,424 -- 10,424
Jan 12, 2012
Director, Chairman of the Board
Director, Chairman of the Board Form 4 Bona fide gift 3,786 -- 167,761
Jan 11, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Other acquisition or disposition -- -- 1,200
Jan 11, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Other acquisition or disposition -- -- 4,187
Jan 11, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Other acquisition or disposition -- -- 1,200

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