| Period | Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2021 Q4 | 0 | $0 | -$1.52M | 0 | |
| 2021 Q3 | 12.3K | $1.52M | -$1.25M | $123.21 | 1 |
| 2021 Q2 | 20.4K | $3.08M | +$77.3K | $150.73 | 2 |
| 2021 Q1 | 19.9K | $3.51M | -$67.6K | $176.77 | 3 |
| 2020 Q4 | 21.6K | $3.27M | -$3.28B | $151.27 | 6 |
| 2020 Q3 | 23M | $3.28B | -$801M | $142.81 | 186 |
| 2020 Q2 | 28.7M | $4.01B | -$133M | $139.54 | 286 |
| 2020 Q1 | 29.8M | $3.4B | +$65.3M | $114.14 | 283 |
| 2019 Q4 | 29M | $4.19B | -$53.7M | $144.32 | 312 |
| 2019 Q3 | 29.2M | $4.12B | -$11.2M | $141.21 | 285 |
| 2019 Q2 | 29.3M | $3.23B | +$48M | $110.08 | 275 |
| 2019 Q1 | 29.1M | $3.26B | +$159M | $111.96 | 293 |
| 2018 Q4 | 27.9M | $2.66B | +$208M | $95.35 | 289 |
| 2018 Q3 | 25.6M | $2.64B | +$97.8M | $103.17 | 247 |
| 2018 Q2 | 24.7M | $2.66B | -$6.73M | $107.56 | 235 |
| 2018 Q1 | 24.8M | $2.66B | +$67.6M | $107.11 | 235 |
| 2017 Q4 | 24.4M | $2.3B | +$13.9M | $94.08 | 239 |
| 2017 Q3 | 24.2M | $1.93B | +$6.03M | $79.93 | 212 |
| 2017 Q2 | 24.3M | $1.79B | +$21.1M | $73.83 | 234 |
| 2017 Q1 | 24.3M | $1.86B | +$248M | $76.61 | 218 |
| 2016 Q4 | 24M | $1.52B | -$6.86M | $63.17 | 204 |
| 2016 Q3 | 24M | $1.27B | +$15.3M | $52.91 | 180 |
| 2016 Q2 | 23.6M | $999M | +$5.14M | $42.34 | 162 |
| 2016 Q1 | 23.1M | $946M | +$705K | $40.91 | 163 |
| 2015 Q4 | 23M | $1.01B | -$24.9M | $43.78 | 176 |
| 2015 Q3 | 23.1M | $893M | -$8.6M | $38.74 | 176 |
| 2015 Q2 | 23.3M | $1.1B | -$7.91M | $47.11 | 177 |
| 2015 Q1 | 23.4M | $1.17B | +$25.7M | $49.97 | 179 |
| 2014 Q4 | 23.1M | $1.09B | -$16.4M | $47.32 | 165 |
| 2014 Q3 | 23.4M | $970M | +$21.3M | $41.45 | 159 |
| 2014 Q2 | 22.8M | $1.02B | -$9.28M | $44.65 | 169 |
| 2014 Q1 | 23M | $1.01B | -$11M | $44.00 | 163 |