| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2021 Q2 | 0 | $0 | -$131,000 | 0 | |
| 2021 Q1 | 2,000 | $131,000 | -$131,000 | $65.50 | 1 |
| 2020 Q4 | 4,000 | $232,000 | $58.00 | 1 | |
| 2020 Q3 | 0 | $0 | -$711,595,505 | 0 | |
| 2020 Q2 | 12,919,457 | $710,509,505 | -$43,875,313 | $55.00 | 129 |
| 2020 Q1 | 14,166,776 | $513,623,838 | -$2,637,401 | $36.26 | 121 |
| 2019 Q4 | 14,155,761 | $691,170,526 | +$17,445,017 | $48.83 | 137 |
| 2019 Q3 | 13,797,561 | $566,505,067 | +$3,864,676 | $41.06 | 130 |
| 2019 Q2 | 13,708,063 | $542,663,122 | +$14,053,538 | $39.59 | 128 |
| 2019 Q1 | 13,522,499 | $524,147,194 | -$6,185,762 | $38.76 | 133 |
| 2018 Q4 | 13,687,933 | $500,655,404 | -$2,672,642 | $36.58 | 121 |
| 2018 Q3 | 13,632,128 | $658,626,248 | -$10,608,637 | $48.32 | 122 |
| 2018 Q2 | 13,851,333 | $716,165,852 | +$20,983,896 | $51.71 | 120 |
| 2018 Q1 | 13,458,232 | $574,430,806 | +$26,252,379 | $42.68 | 120 |
| 2017 Q4 | 12,846,720 | $546,396,370 | +$28,506,902 | $42.53 | 125 |
| 2017 Q3 | 12,196,431 | $467,348,418 | -$1,254,186 | $38.32 | 127 |
| 2017 Q2 | 12,224,108 | $461,581,718 | +$3,772,373 | $37.76 | 119 |
| 2017 Q1 | 12,127,098 | $460,320,247 | +$64,159,134 | $37.96 | 129 |
| 2016 Q4 | 12,335,285 | $488,471,584 | +$4,569,134 | $39.60 | 125 |
| 2016 Q3 | 12,227,517 | $475,028,699 | +$16,066,184 | $38.85 | 121 |
| 2016 Q2 | 11,811,781 | $322,400,825 | -$9,895,045 | $27.29 | 113 |
| 2016 Q1 | 12,189,725 | $325,828,721 | -$7,593,816 | $26.73 | 119 |
| 2015 Q4 | 12,397,959 | $414,839,065 | +$21,326,118 | $33.46 | 130 |
| 2015 Q3 | 11,905,825 | $293,952,417 | +$6,857,003 | $24.69 | 119 |
| 2015 Q2 | 11,996,041 | $398,640,527 | +$13,932,697 | $33.24 | 124 |
| 2015 Q1 | 11,484,323 | $341,420,292 | +$5,929,914 | $29.73 | 111 |
| 2014 Q4 | 11,734,586 | $241,331,696 | +$3,619,714 | $20.57 | 83 |
| 2014 Q3 | 9,879,804 | $171,120,784 | -$33,128,740 | $17.32 | 87 |
| 2014 Q2 | 11,514,005 | $229,338,114 | +$12,194,701 | $19.92 | 86 |
| 2014 Q1 | 11,489,297 | $216,079,854 | +$2,146,439 | $18.81 | 78 |