| Period | Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2019 Q1 | 0 | $0 | -$893M | 0 | |
| 2018 Q4 | 29.8M | $893M | +$6.78M | $29.96 | 171 |
| 2018 Q3 | 31.8M | $554M | +$23.9M | $17.45 | 188 |
| 2018 Q2 | 30.5M | $482M | +$25.9M | $15.77 | 195 |
| 2018 Q1 | 28.6M | $553M | -$4.93M | $19.33 | 180 |
| 2017 Q4 | 28.2M | $604M | +$61.5M | $21.43 | 172 |
| 2017 Q3 | 25.2M | $351M | +$21.6M | $13.92 | 130 |
| 2017 Q2 | 24.2M | $200M | +$391K | $8.24 | 106 |
| 2017 Q1 | 24.2M | $169M | +$27.1M | $6.97 | 94 |
| 2016 Q4 | 24M | $142M | +$5.56M | $5.92 | 96 |
| 2016 Q3 | 22M | $124M | +$2.19M | $5.64 | 110 |
| 2016 Q2 | 21.6M | $126M | +$10.4M | $5.84 | 104 |
| 2016 Q1 | 19.7M | $141M | +$8.79M | $7.15 | 95 |
| 2015 Q4 | 18.5M | $96.2M | -$4.94M | $5.19 | 80 |
| 2015 Q3 | 23.5M | $109M | -$7.85M | $4.64 | 78 |
| 2015 Q2 | 24.3M | $128M | -$7.15M | $5.27 | 87 |
| 2015 Q1 | 25.6M | $159M | -$5.03M | $6.18 | 88 |
| 2014 Q4 | 26.3M | $204M | +$3.58M | $7.76 | 97 |
| 2014 Q3 | 25.2M | $171M | -$35.9K | $6.79 | 102 |
| 2014 Q2 | 25.2M | $171M | -$10.1M | $6.81 | 106 |
| 2014 Q1 | 26.4M | $258M | -$1.11M | $9.85 | 106 |