| Period | Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2017 Q4 | 0 | $0 | -$914M | 0 | |
| 2017 Q3 | 97.5M | $914M | +$36.8M | $9.39 | 159 |
| 2017 Q2 | 93.9M | $766M | +$15.1M | $8.15 | 183 |
| 2017 Q1 | 90M | $858M | +$274M | $9.53 | 204 |
| 2016 Q4 | 67.2M | $883M | -$3.15M | $13.13 | 191 |
| 2016 Q3 | 69.6M | $604M | -$48.2M | $8.69 | 193 |
| 2016 Q2 | 73.4M | $919M | +$7.16M | $12.52 | 204 |
| 2016 Q1 | 72M | $660M | -$77.4M | $9.17 | 205 |
| 2015 Q4 | 79.3M | $811M | +$29.6M | $10.23 | 228 |
| 2015 Q3 | 73.8M | $1.09B | -$36.4M | $14.81 | 238 |
| 2015 Q2 | 72.6M | $1.92B | +$263M | $26.44 | 255 |
| 2015 Q1 | 65.5M | $1.84B | +$73.5M | $28.11 | 261 |
| 2014 Q4 | 64.3M | $1.82B | -$22.7M | $28.37 | 252 |
| 2014 Q3 | 61.4M | $2.68B | +$31.3M | $43.69 | 270 |
| 2014 Q2 | 59.7M | $3.14B | +$102M | $52.48 | 287 |
| 2014 Q1 | 57.7M | $2.91B | -$64.3M | $50.39 | 292 |