Date Name Title Filing Type Shares Traded Price Total Held
Sep 18, 2013
Director, President & CEO
Director, President & CEO 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-3 108,632 $304.38 145,036
Dec 13, 2017
Director, President & CEO
Director, President & CEO 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-3 121,586 $385.08 271,593
Dec 15, 2016
Director, President & CEO
Director, President & CEO 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-3 122,032 $380.09 157,409
Nov 06, 2006
Director, Chief Exec Officer & President, Ten Percent Owner
Director, Chief Exec Officer & President, Ten Percent Owner Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 122,630 $8.62 194,679
Nov 06, 2006
Director, Chief Exec Officer & President, Ten Percent Owner
Director, Chief Exec Officer & President, Ten Percent Owner Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 122,630 -- 37,370
Dec 12, 2019
Director, President & CEO
Director, President & CEO Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 124,900 $21.25 448,962
Dec 12, 2019
Director, President & CEO
Director, President & CEO Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 124,900 -- 187,500
May 11, 2020
Director, President & CEO
Director, President & CEO Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 125,000 $30.63 599,499
May 11, 2020
Director, President & CEO
Director, President & CEO Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 125,000 -- 187,500
Dec 13, 2018
Director, President & CEO
Director, President & CEO Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 125,000 $16.80 488,014

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