| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2021 Q4 | 0 | $0 | -$306,000 | 0 | |
| 2021 Q3 | 3,200 | $306,000 | +$306,000 | $95.62 | 1 |
| 2020 Q1 | 0 | $0 | -$10,029,000 | 0 | |
| 2019 Q4 | 155,992 | $10,029,000 | -$25,551,104 | $64.29 | 2 |
| 2019 Q3 | 553,493 | $29,180,000 | -$918,852 | $52.72 | 1 |
| 2019 Q2 | 570,922 | $30,698,000 | -$769,491 | $53.77 | 1 |
| 2019 Q1 | 585,233 | $32,059,000 | -$30,255,557 | $54.78 | 1 |
| 2018 Q4 | 1,296,762 | $54,837,000 | -$44,526,737 | $42.28 | 2 |
| 2018 Q3 | 1,918,573 | $143,319,000 | -$2,106,879,140 | $74.72 | 9 |
| 2018 Q2 | 27,728,813 | $2,263,548,290 | +$22,549,026 | $81.62 | 188 |
| 2018 Q1 | 26,124,687 | $2,708,533,813 | -$155,374,014 | $103.70 | 247 |
| 2017 Q4 | 27,976,067 | $3,144,578,059 | -$60,637,845 | $112.40 | 262 |
| 2017 Q3 | 28,162,318 | $2,980,647,453 | +$38,813,828 | $105.92 | 248 |
| 2017 Q2 | 27,647,058 | $3,456,395,132 | +$18,117,719 | $125.04 | 270 |
| 2017 Q1 | 27,440,489 | $3,815,071,709 | +$274,309,641 | $139.01 | 291 |
| 2016 Q4 | 26,636,970 | $3,258,914,826 | -$153,168,454 | $122.33 | 268 |
| 2016 Q3 | 27,702,111 | $3,809,956,421 | +$81,543,113 | $137.69 | 246 |
| 2016 Q2 | 27,219,726 | $3,248,024,502 | +$85,199,837 | $119.31 | 227 |
| 2016 Q1 | 26,452,440 | $2,888,737,482 | +$212,510,107 | $109.28 | 216 |
| 2015 Q4 | 24,598,482 | $2,503,982,938 | -$30,963,434 | $101.80 | 200 |
| 2015 Q3 | 24,944,181 | $2,282,759,722 | +$60,355,674 | $91.51 | 192 |
| 2015 Q2 | 22,974,888 | $2,343,181,659 | +$342,088,401 | $101.99 | 191 |
| 2015 Q1 | 19,911,664 | $1,783,406,213 | -$3,781,331 | $89.56 | 190 |
| 2014 Q4 | 19,801,378 | $1,894,098,758 | -$2,771,393,793 | $95.68 | 191 |
| 2014 Q3 | 50,303,206 | $4,552,359,746 | -$28,584,401 | $90.53 | 162 |
| 2014 Q2 | 50,669,997 | $4,358,236,445 | -$11,211,730 | $86.03 | 157 |
| 2014 Q1 | 50,865,005 | $4,052,969,305 | -$43,930,600 | $79.70 | 148 |