| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 | 
   | Officer | $143.49 | 2,163 | $310,368.87 | 8,000 | 2021-08-30 | Filing | 
  | Officer | $143.29 | 4,050 | $580,328.55 | 88,908 | 2021-08-26 | Filing | 
  | Officer | $152.00 | 2,000 | $304,000.00 | 23,486 | 2021-08-10 | Filing | 
  | Officer, Director | $150.12 | 10,000 | $1,501,169.00 | 445,970 | 2021-08-03 | Filing | 
  | Officer | $154.38 | 3,420 | $527,965.92 | 11,031 | 2021-07-30 | Filing | 
  | Officer | $160.30 | 2,000 | $320,600.00 | 23,486 | 2021-07-12 | Filing | 
  | Officer | $165.48 | 3,851 | $637,267.33 | 17,357 | 2021-06-25 | Filing | 
  | Officer | $157.05 | 558 | $87,633.90 | 10,163 | 2021-06-15 | Filing | 
  | Officer | $150.07 | 2,000 | $300,140.00 | 23,486 | 2021-06-10 | Filing | 
  | Officer, Director | $153.34 | 10,000 | $1,533,400.00 | 465,970 | 2021-06-01 | Filing | 
  | Officer | $146.40 | 3,959 | $579,601.56 | 92,958 | 2021-05-26 | Filing | 
  | Officer | $150.00 | 2,000 | $300,000.00 | 23,486 | 2021-05-10 | Filing | 
  | Officer, Director | $172.58 | 300 | $51,774.00 | 671,283 | 2020-06-02 | Filing | 
  | Officer, Director | $171.32 | 100 | $17,132.00 | 671,583 | 2020-06-02 | Filing | 
  | Officer, Director | $170.41 | 600 | $102,247.98 | 671,683 | 2020-06-02 | Filing | 
  | Officer, Director | $169.66 | 7,794 | $1,322,309.78 | 672,283 | 2020-06-02 | Filing | 
  | Officer, Director | $168.80 | 5,791 | $977,497.64 | 680,077 | 2020-06-02 | Filing | 
  | Officer, Director | $167.70 | 4,916 | $824,433.85 | 685,868 | 2020-06-02 | Filing | 
  | Officer, Director | $166.73 | 3,899 | $650,093.14 | 690,784 | 2020-06-02 | Filing | 
  | Officer, Director | $165.60 | 1,600 | $264,962.08 | 694,683 | 2020-06-02 | Filing |