Date Filer Title Filing Type Shares Traded Price Total Held
May 20, 2013
Director
Director Form 4/A Other acquisition or disposition (describe transaction) 1,591 -- 17,279
Dec 04, 2013
Director
Director 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 2,238 $33.49 19,740
Dec 04, 2013
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 7,405 $10.12 21,978
Feb 19, 2014
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 3,242 -- 22,588
Dec 01, 2014
Director
Director Form 4 Open market or private sale of non-derivative or derivative security 1,702 $37.08 23,722
Nov 21, 2014
Director
Director 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 1,164 $36.02 25,424
Feb 19, 2015
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 2,609 -- 26,331
Nov 21, 2014
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 4,000 $10.48 26,588
Mar 13, 2015
Director
Director 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 2,674 $39.61 33,762
Mar 13, 2015
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 10,105 $10.48 36,436

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