| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2021 Q3 | 0 | $0 | -$57,000 | 0 | |
| 2021 Q2 | 193 | $57,000 | $295.34 | 1 | |
| 2021 Q1 | 193 | $52,000 | $269.43 | 1 | |
| 2020 Q4 | 193 | $50,000 | $259.07 | 1 | |
| 2020 Q2 | 0 | $0 | -$1,438,000 | 0 | |
| 2020 Q1 | 7,563 | $1,438,000 | -$41,066,629 | $190.14 | 1 |
| 2019 Q4 | 192,929 | $42,729,000 | -$1,222,897 | $221.57 | 2 |
| 2019 Q3 | 199,507 | $39,185,000 | -$99,321 | $196.02 | 3 |
| 2019 Q2 | 199,753 | $40,463,000 | +$335,971 | $202.71 | 6 |
| 2019 Q1 | 198,063 | $39,090,000 | +$965,314 | $197.37 | 6 |
| 2018 Q4 | 193,167 | $34,310,000 | -$859,186 | $177.58 | 6 |
| 2018 Q3 | 197,616 | $40,505,000 | -$2,720,764 | $206.09 | 7 |
| 2018 Q2 | 213,578 | $38,993,000 | -$130,551,903 | $182.74 | 10 |
| 2018 Q1 | 940,546 | $168,941,095 | -$62,192,118 | $179.69 | 89 |
| 2017 Q4 | 1,285,936 | $231,061,831 | -$8,805,710 | $179.61 | 115 |
| 2017 Q3 | 1,300,611 | $227,929,612 | -$30,596,595 | $175.24 | 97 |
| 2017 Q2 | 1,475,152 | $256,735,249 | +$53,072,533 | $174.03 | 91 |
| 2017 Q1 | 1,170,448 | $187,162,109 | +$2,089,585 | $159.95 | 83 |
| 2016 Q4 | 1,159,851 | $169,315,460 | +$1,161,826 | $145.92 | 85 |
| 2016 Q3 | 1,020,620 | $158,702,558 | +$5,576,381 | $155.60 | 87 |
| 2016 Q2 | 1,065,841 | $160,821,510 | -$32,034,419 | $150.82 | 74 |
| 2016 Q1 | 1,099,694 | $158,734,797 | -$31,753,354 | $144.30 | 71 |
| 2015 Q4 | 1,398,655 | $214,374,158 | +$1,955,510 | $153.49 | 88 |
| 2015 Q3 | 1,267,866 | $178,257,406 | -$136,437,757 | $140.51 | 83 |
| 2015 Q2 | 2,092,452 | $333,782,349 | +$60,636,044 | $159.51 | 87 |
| 2015 Q1 | 1,712,430 | $265,691,459 | +$98,534,598 | $155.22 | 70 |
| 2014 Q4 | 1,078,698 | $153,802,963 | -$20,430,968 | $142.57 | 66 |
| 2014 Q3 | 1,197,676 | $154,530,807 | +$90,516,588 | $129.04 | 50 |
| 2014 Q2 | 497,380 | $61,403,962 | +$562,162 | $123.48 | 45 |
| 2014 Q1 | 492,812 | $57,856,104 | +$2,140,657 | $117.42 | 38 |