| Period | Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2019 Q4 | 0 | $0 | -$507K | 0 | |
| 2019 Q3 | 7.77K | $507K | -$4.6M | $65.39 | 2 |
| 2019 Q2 | 77.8K | $5.12M | -$112M | $65.79 | 4 |
| 2019 Q1 | 1.99M | $117M | -$2.09B | $65.16 | 15 |
| 2018 Q4 | 39.2M | $2.21B | +$53.3M | $56.54 | 193 |
| 2018 Q3 | 38.1M | $2.26B | +$17.9M | $59.44 | 197 |
| 2018 Q2 | 37.5M | $2.32B | +$51.1M | $61.80 | 194 |
| 2018 Q1 | 36.7M | $2.28B | +$65.1M | $62.18 | 203 |
| 2017 Q4 | 36.2M | $1.82B | +$84.8M | $50.24 | 188 |
| 2017 Q3 | 32.9M | $1.39B | -$40.6M | $42.21 | 167 |
| 2017 Q2 | 34M | $1.11B | -$15.1M | $32.62 | 150 |
| 2017 Q1 | 34.4M | $1.11B | +$35.4M | $32.25 | 170 |
| 2016 Q4 | 33.7M | $1.13B | +$37.4M | $33.41 | 180 |
| 2016 Q3 | 32.7M | $969M | +$14M | $29.61 | 171 |
| 2016 Q2 | 32.3M | $825M | +$135M | $25.55 | 161 |
| 2016 Q1 | 27M | $642M | +$23.4M | $23.78 | 144 |
| 2015 Q4 | 26M | $574M | +$22.1M | $22.13 | 132 |
| 2015 Q3 | 25.3M | $391M | +$8.48M | $15.45 | 116 |
| 2015 Q2 | 24.7M | $513M | -$22M | $20.80 | 124 |
| 2015 Q1 | 25.7M | $411M | -$1.77M | $16.03 | 98 |
| 2014 Q4 | 25.9M | $383M | +$8.39M | $14.80 | 93 |
| 2014 Q3 | 19.6M | $305M | -$1.89M | $15.58 | 88 |
| 2014 Q2 | 19.9M | $301M | -$25.9M | $15.18 | 81 |
| 2014 Q1 | 21.5M | $331M | -$15.4M | $15.39 | 79 |