Date Filer Title Filing Type Shares Traded Price Total Held
Mar 01, 2013
Director, Chairman, Pres and CEO, Ten Percent Owner
Director, Chairman, Pres and CEO, Ten Percent Owner Form 4 Conversion of derivative security 363 -- 796,309
Mar 01, 2013
Executive Vice President
Executive Vice President 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-3 137 $43.98 12,552
Mar 01, 2013
Executive VP - Operations
Executive VP - Operations 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-3 155 $43.98 8,786
Mar 01, 2013
Senior VP and Secretary
Senior VP and Secretary 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-3 157 $43.98 4,737
Feb 19, 2013
Ten Percent Owner
Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 900 $47.50 1,286,614
Feb 19, 2013
Ten Percent Owner
Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 100 $47.70 1,286,514
Feb 19, 2013
Ten Percent Owner
Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 100 $47.74 1,286,414
Feb 19, 2013
Ten Percent Owner
Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 200 $47.99 1,286,214
Feb 19, 2013
Ten Percent Owner
Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 101 $48.00 1,286,113
Feb 15, 2013
Ten Percent Owner
Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 500 $48.70 1,287,614

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