| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2020 Q4 | 0 | $0 | -$2,000 | 0 | |
| 2020 Q3 | 31 | $2,000 | -$7,362,677 | $64.52 | 1 |
| 2020 Q2 | 114,326 | $7,365,000 | +$212,571 | $64.46 | 3 |
| 2020 Q1 | 111,026 | $6,295,000 | +$56,757 | $56.70 | 3 |
| 2019 Q4 | 110,026 | $9,462,000 | -$51,563 | $85.94 | 3 |
| 2019 Q3 | 110,600 | $9,086,000 | +$556,000 | $81.15 | 2 |
| 2019 Q2 | 103,650 | $9,105,000 | $83.92 | 2 | |
| 2019 Q1 | 103,650 | $8,735,000 | $82.14 | 2 | |
| 2018 Q4 | 103,650 | $8,387,000 | -$12,000 | $80.46 | 2 |
| 2018 Q3 | 103,800 | $8,029,000 | -$1,068,000 | $80.00 | 3 |
| 2018 Q2 | 114,621 | $9,202,000 | -$11,558,451 | $79.21 | 6 |
| 2018 Q1 | 256,028 | $21,281,274 | -$5,924,289 | $83.12 | 28 |
| 2017 Q4 | 326,290 | $28,818,730 | -$7,927,208 | $88.32 | 29 |
| 2017 Q3 | 418,118 | $33,086,154 | -$21,410,304 | $79.17 | 28 |
| 2017 Q2 | 689,647 | $52,858,459 | -$15,832,518 | $76.64 | 29 |
| 2017 Q1 | 898,015 | $67,133,936 | -$11,164,587 | $74.77 | 31 |
| 2016 Q4 | 1,053,070 | $65,921,000 | +$2,420,367 | $62.60 | 33 |
| 2016 Q3 | 1,012,788 | $69,983,000 | -$238,667,265 | $69.24 | 30 |
| 2016 Q2 | 4,500,632 | $292,783,000 | -$70,808,265 | $65.05 | 33 |
| 2016 Q1 | 5,767,442 | $359,004,000 | -$13,842,850 | $62.79 | 39 |
| 2015 Q4 | 5,986,137 | $379,007,000 | -$53,110,110 | $64.00 | 40 |
| 2015 Q3 | 6,811,779 | $449,869,066 | +$292,204,068 | $66.18 | 39 |
| 2015 Q2 | 2,359,920 | $166,001,369 | -$1,201,854,033 | $70.33 | 41 |
| 2015 Q1 | 18,602,196 | $1,376,650,820 | -$851,542,223 | $74.12 | 47 |
| 2014 Q4 | 30,118,298 | $2,077,973,249 | +$14,422,581 | $69.65 | 47 |
| 2014 Q3 | 29,910,931 | $2,094,277,427 | +$8,585,979 | $70.20 | 50 |
| 2014 Q2 | 29,791,489 | $2,028,340,201 | +$1,147,796 | $68.86 | 53 |
| 2014 Q1 | 29,719,577 | $1,788,318,698 | +$975,893 | $60.63 | 53 |