Date Name Title Filing Type Shares Traded Price Total Held
Aug 31, 2011
Director, Chairman of the Board
Director, Chairman of the Board Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 312,500 $28.01 452,587
May 21, 2020
Director, Chairman of the Board
Director, Chairman of the Board Form 4 Open market or private sale of non-derivative or derivative security 1,168 $556.79 456,175
Jul 10, 2018
Director, Chairman of the Board
Director, Chairman of the Board Form 4 Open market or private sale of non-derivative or derivative security 17,221 $365.56 456,396
May 20, 2020
Director, Chairman of the Board
Director, Chairman of the Board 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 39,720 $570.97 457,343
May 20, 2020
Director, Chairman of the Board
Director, Chairman of the Board Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 77,309 $30.63 459,728
Jun 16, 2005
Director
Director Form 4 Other acquisition or disposition -- -- 465,220
Mar 29, 2005
Director
Director Form 4 Bona fide gift 39,292 -- 465,220
Jun 21, 2018
Director, Chairman of the Board
Director, Chairman of the Board Form 4 Open market or private sale of non-derivative or derivative security 8,047 $325.67 465,610
May 24, 2019
Director, Chairman of the Board
Director, Chairman of the Board Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 153,792 $21.25 468,669
Jul 10, 2018
Director, Chairman of the Board
Director, Chairman of the Board Form 4 Open market or private sale of non-derivative or derivative security 900 $364.75 473,617

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