Date Name Title Filing Type Shares Traded Price Total Held
Dec 18, 2006
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 307,579 -- 307,579
Aug 20, 2018
Director, Chairman of the Board
Director, Chairman of the Board Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 210 -- 307,585
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 100 $578.34 307,749
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 3,264 $30.63 307,749
Dec 18, 2009
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 307,795 -- 307,795
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 683 $577.37 307,849
Dec 17, 2007
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 307,938 -- 307,938
Jun 14, 2021
Director
Director Form 4 Bona fide gift 19,000 -- 308,090
Dec 13, 2019
Director, Chairman of the Board
Director, Chairman of the Board Form 4 Open market or private sale of non-derivative or derivative security 5,732 $377.47 308,120
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 206 $576.47 308,532

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