Date Filer Title Filing Type Shares Traded Price Total Held
Feb 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 $5.83 128,943
Feb 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 $48.79 106,443
Feb 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 -- 28,632
Jan 16, 2007
Director
Director Form 4 Open market or private sale of non-derivative or derivative security 22,500 $45.89 521,728
Jan 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 33,394
Jan 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 $45.03 23,394
Jan 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 -- 65,000
Jan 10, 2007
EVP, Chief Financial Officer
EVP, Chief Financial Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 15,000 $5.83 37,966
Jan 10, 2007
EVP, Chief Financial Officer
EVP, Chief Financial Officer Form 4 Open market or private sale of non-derivative or derivative security 15,000 $44.40 22,966
Jan 10, 2007
EVP, Chief Financial Officer
EVP, Chief Financial Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 15,000 -- 862

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