| Period | Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2021 Q1 | 0 | $0 | -$4.8M | 0 | |
| 2020 Q4 | 54.7K | $4.8M | $0 | $87.74 | 1 |
| 2020 Q3 | 54.7K | $4.11M | $0 | $75.17 | 1 |
| 2020 Q2 | 54.7K | $4.18M | -$2K | $76.34 | 1 |
| 2020 Q1 | 54.8K | $2.91M | -$3.73M | $56.02 | 2 |
| 2019 Q4 | 176K | $22.2M | -$3.34B | $125.76 | 6 |
| 2019 Q3 | 25.7M | $3.39B | -$125M | $131.84 | 154 |
| 2019 Q2 | 27.2M | $2.47B | +$127M | $90.89 | 157 |
| 2019 Q1 | 27M | $2.16B | -$31.4M | $80.13 | 155 |
| 2018 Q4 | 26.9M | $2.79B | -$35.9M | $103.42 | 176 |
| 2018 Q3 | 26.9M | $3.68B | -$45.7M | $136.61 | 160 |
| 2018 Q2 | 27.2M | $3.95B | -$73.1M | $144.96 | 159 |
| 2018 Q1 | 27.7M | $4.29B | -$342M | $154.70 | 174 |
| 2017 Q4 | 30.1M | $3.61B | -$241M | $119.88 | 156 |
| 2017 Q3 | 31.8M | $3.11B | +$395M | $97.66 | 129 |
| 2017 Q2 | 27.8M | $2.62B | +$60.7M | $94.53 | 135 |
| 2017 Q1 | 31.1M | $2.68B | +$202M | $86.19 | 135 |
| 2016 Q4 | 29.9M | $2.74B | -$90.9M | $91.61 | 142 |
| 2016 Q3 | 30.5M | $3.08B | +$19.7M | $101.18 | 140 |
| 2016 Q2 | 30.3M | $2.8B | -$75.2M | $92.48 | 153 |
| 2016 Q1 | 31.4M | $2.84B | -$139M | $90.69 | 132 |
| 2015 Q4 | 32.9M | $2.67B | -$46.2M | $81.14 | 140 |
| 2015 Q3 | 33.3M | $2.54B | +$235M | $76.11 | 136 |
| 2015 Q2 | 30.2M | $2.54B | +$41.3K | $84.16 | 159 |
| 2015 Q1 | 30.1M | $2.54B | -$11.5M | $84.38 | 154 |
| 2014 Q4 | 30.3M | $2.27B | +$2.15B | $74.84 | 126 |
| 2014 Q3 | 49.2K | $2.7M | -$3.52M | $54.82 | 2 |
| 2014 Q2 | 113K | $4.59M | +$1.52M | $40.50 | 2 |
| 2014 Q1 | 75.8K | $3.73M | +$577K | $49.22 | 1 |