Date Name Title Filing Type Shares Traded Price Total Held
Jan 11, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Other acquisition or disposition -- -- 3,906
Jan 11, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Other acquisition or disposition -- -- 16,147
Jan 11, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Other acquisition or disposition -- -- 1,200
Jan 07, 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 $9.49 76,956
Jan 07, 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 2,777 $34.17 74,179
Jan 07, 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 2,616 $34.17 71,563
Jan 07, 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 -- 8,812
Dec 20, 2010
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Other acquisition or disposition -- -- 66,956
Dec 20, 2010
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Other acquisition or disposition -- -- 1,200
Dec 20, 2010
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Other acquisition or disposition -- -- 3,906

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