Date Filer Title Filing Type Shares Traded Price Total Held
Jun 15, 2010
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 11,250 $13.06 44,290
Jun 15, 2010
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Open market or private sale of non-derivative or derivative security 19,550 $21.01 24,740
Jun 15, 2010
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 8,300 -- --
Jun 15, 2010
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 11,250 -- --
Nov 09, 2010
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 12,000 $10.73 36,740
Nov 09, 2010
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Open market or private sale of non-derivative or derivative security 12,000 $25.01 24,740
Nov 10, 2010
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 12,000 -- 55,607
Feb 23, 2011
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 43,950 -- 43,950
Feb 25, 2011
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4/A Grant, award or other acquisition pursuant to Rule 16b-3(d) 12,916 -- 37,656
Feb 25, 2011
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4/A 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 4,242 $24.53 33,414

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