Date Name Title Filing Type Shares Traded Price Total Held
Mar 08, 2019
Ten Percent Owner
Ten Percent Owner Form 4 Open market or private sale of non-derivative or derivative security 131,115 $412.17 20,723,717
Dec 16, 2011
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-3 134,585 $52.03 209,407
Aug 07, 2014
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-3 135,108 $340.12 268,540
Aug 06, 2021
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-3 137,145 $607.51 436,176
Feb 23, 2021
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-3 137,998 $458.48 349,090
Nov 20, 2007
Director
Director Form 4 Bona fide gift 138,737 -- --
Dec 12, 2017
Director, President & CEO
Director, President & CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 139,474 -- 139,474
Dec 12, 2017
Director, President & CSO
Director, President & CSO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 139,474 -- 139,474
Aug 31, 2011
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-3 143,587 $60.96 309,000
May 13, 2024
Director, Bd. Co-Chair, President & CEO
Director, Bd. Co-Chair, 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-3 144,433 $976.79 433,200

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