| Period | Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2017 Q3 | 0 | $0 | -$1.12B | 0 | |
| 2017 Q2 | 56.2M | $1.12B | +$90.9M | $19.94 | 114 |
| 2017 Q1 | 53.4M | $951M | +$86.1M | $17.83 | 120 |
| 2016 Q4 | 52M | $690M | -$299M | $13.25 | 126 |
| 2016 Q3 | 70.3M | $1.09B | +$7M | $15.53 | 144 |
| 2016 Q2 | 70.2M | $934M | +$1.62M | $13.30 | 133 |
| 2016 Q1 | 70.7M | $845M | -$5.92M | $11.95 | 123 |
| 2015 Q4 | 71.1M | $876M | +$24.7M | $12.31 | 128 |
| 2015 Q3 | 69.9M | $767M | +$1.32M | $10.97 | 123 |
| 2015 Q2 | 69.1M | $851M | -$161M | $12.33 | 129 |
| 2015 Q1 | 82.1M | $1.01B | +$26.2M | $12.26 | 118 |
| 2014 Q4 | 80M | $932M | -$11.2M | $11.65 | 114 |
| 2014 Q3 | 80.5M | $816M | -$8.64M | $10.13 | 114 |
| 2014 Q2 | 81.2M | $964M | +$41.3M | $11.88 | 111 |
| 2014 Q1 | 77.6M | $926M | +$106M | $11.93 | 94 |