| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2021 Q2 | 0 | $0 | -$177,000 | 0 | |
| 2021 Q1 | 655 | $177,000 | -$20,000 | $270.23 | 1 |
| 2020 Q4 | 734 | $186,000 | $253.30 | 2 | |
| 2020 Q3 | 734 | $155,000 | +$126,165 | $212.94 | 2 |
| 2020 Q2 | 134 | $30,000 | $223.88 | 1 | |
| 2020 Q1 | 134 | $21,000 | $156.72 | 1 | |
| 2019 Q4 | 134 | $27,000 | -$2,061,000 | $201.49 | 1 |
| 2019 Q3 | 11,662 | $2,085,000 | -$986,359 | $178.94 | 2 |
| 2019 Q2 | 17,214 | $3,055,000 | +$189,813 | $178.03 | 4 |
| 2019 Q1 | 16,146 | $2,747,000 | -$5,016,688 | $170.78 | 4 |
| 2018 Q4 | 51,971 | $7,320,000 | +$2,443,706 | $141.00 | 5 |
| 2018 Q3 | 33,911 | $5,397,000 | -$4,237,132 | $166.67 | 6 |
| 2018 Q2 | 61,790 | $9,582,000 | -$439,986,903 | $158.59 | 8 |
| 2018 Q1 | 2,971,368 | $449,348,275 | -$99,355,694 | $151.31 | 113 |
| 2017 Q4 | 3,650,365 | $522,032,178 | -$21,589,435 | $142.96 | 142 |
| 2017 Q3 | 3,673,703 | $496,143,501 | -$21,871,520 | $135.03 | 110 |
| 2017 Q2 | 3,864,087 | $482,257,611 | -$5,609,892 | $124.80 | 120 |
| 2017 Q1 | 3,909,721 | $472,069,693 | +$60,901,385 | $120.78 | 106 |
| 2016 Q4 | 3,330,074 | $361,392,326 | -$61,098,021 | $108.50 | 96 |
| 2016 Q3 | 3,959,251 | $417,696,326 | +$163,282,344 | $105.50 | 90 |
| 2016 Q2 | 2,415,333 | $226,599,848 | +$25,900,125 | $93.82 | 85 |
| 2016 Q1 | 2,106,930 | $197,301,938 | -$180,332,499 | $93.76 | 80 |
| 2015 Q4 | 3,996,284 | $368,599,191 | +$141,230,807 | $92.27 | 86 |
| 2015 Q3 | 2,468,557 | $210,292,524 | -$103,719,893 | $85.14 | 80 |
| 2015 Q2 | 3,680,605 | $332,215,689 | +$22,482,358 | $90.24 | 88 |
| 2015 Q1 | 3,429,150 | $315,118,502 | -$5,016,812 | $91.90 | 78 |
| 2014 Q4 | 3,482,069 | $316,027,372 | +$34,752,505 | $90.76 | 81 |
| 2014 Q3 | 3,031,287 | $257,638,051 | +$38,078,357 | $85.03 | 72 |
| 2014 Q2 | 2,583,261 | $216,432,184 | -$70,178,234 | $83.78 | 65 |
| 2014 Q1 | 3,402,736 | $273,059,697 | +$119,465,225 | $80.23 | 54 |