Date Filer Title Filing Type Shares Traded Price Total Held
Mar 01, 2007
Director, President and CEO
Director, President and CEO Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 22,500 $5.83 143,752
Mar 01, 2007
Director, President and CEO
Director, President and CEO Form 4 Open market or private sale of non-derivative or derivative security 22,500 $51.65 121,252
Mar 01, 2007
Director, President and CEO
Director, President and CEO Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 22,500 -- 6,132
Feb 27, 2007
Director
Director 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-3 348 $53.40 83,671
Feb 27, 2007
EVP, Chief Development Officer
EVP, Chief Development Officer 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 2,882 $53.40 27,064
Feb 27, 2007
Director, President and CEO
Director, President and CEO Form 5 Bona fide gift 20,780 -- 149,784
Feb 27, 2007
Director, President and CEO
Director, President and CEO Form 5 Bona fide gift 20,780 -- 561,166
Feb 27, 2007
Director, President and CEO
Director, President and CEO 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 5,960 $53.40 115,292
Feb 27, 2007
Vice President, Finance
Vice President, Finance 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-3 690 $53.40 8,689
Feb 27, 2007
EVP, Chief Financial Officer
EVP, Chief Financial Officer 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 2,984 $53.40 26,534

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