Date Filer Title Filing Type Shares Traded Price Total Held
May 08, 2007
Director
Director Form 4 Open market or private sale of non-derivative or derivative security 18,000 $60.50 81,671
May 08, 2007
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 18,000 -- 29,709
Apr 17, 2007
Director
Director Form 4 Other acquisition or disposition -- -- 343,499
Apr 17, 2007
Director
Director Form 4 Other acquisition or disposition -- -- 34,500
Apr 17, 2007
Director
Director Form 4 Other acquisition or disposition -- -- 168,733
Apr 16, 2007
Director
Director Form 4 Open market or private sale of non-derivative or derivative security 22,500 $53.58 454,228
Apr 11, 2007
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 10,000 $19.97 37,064
Apr 11, 2007
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Open market or private sale of non-derivative or derivative security 10,000 $52.74 27,064
Apr 11, 2007
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 10,000 -- 35,000
Apr 02, 2007
Director, President and CEO
Director, President and CEO Form 4 Other acquisition or disposition -- -- 270,193

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