Date Filer Title Filing Type Shares Traded Price Total Held
Feb 27, 2013
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 3,328 $38.11 80,220
Mar 18, 2013
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 15,000 $24.42 95,220
Mar 18, 2013
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Open market or private sale of non-derivative or derivative security 15,000 $38.14 80,220
Mar 18, 2013
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,394 -- 85,614
Mar 18, 2013
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 1,476 $38.30 84,138
Mar 18, 2013
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 15,000 -- 28,950
May 17, 2013
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 16,808 $20.78 100,946
May 17, 2013
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 823 $17.57 101,769
May 17, 2013
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 17,631 $22.72 119,400
May 17, 2013
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Open market or private sale of non-derivative or derivative security 35,262 $39.15 84,138

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