Date Name Title Filing Type Shares Traded Price Total Held
Jan 18, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 8,812 $9.49 75,768
Jan 18, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 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 2,397 $34.88 73,371
Jan 18, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 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 2,323 $34.88 71,048
Jan 18, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 10,000 -- --
Jan 18, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 8,812 -- --
Jan 14, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Open market or private sale of non-derivative or derivative security 4,607 $33.99 66,956
Jan 14, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 1,188 $9.49 68,144
Jan 14, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Open market or private sale of non-derivative or derivative security 1,188 $34.49 66,956
Jan 14, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 1,188 -- 10,000
Jan 11, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety 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.