| Period | Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2018 Q1 | 0 | $0 | -$146K | 0 | |
| 2017 Q4 | 2.31K | $146K | $0 | $63.12 | 1 |
| 2017 Q3 | 2.31K | $146K | -$4.89B | $63.12 | 1 |
| 2017 Q2 | 80.1M | $4.89B | -$104M | $61.16 | 271 |
| 2017 Q1 | 82.4M | $4.09B | +$472M | $49.59 | 257 |
| 2016 Q4 | 79.7M | $3.5B | +$68.4M | $43.93 | 260 |
| 2016 Q3 | 77.7M | $3.21B | +$115M | $41.25 | 267 |
| 2016 Q2 | 74M | $3.52B | +$13.9M | $47.54 | 257 |
| 2016 Q1 | 71.8M | $2.91B | +$263M | $40.53 | 233 |
| 2015 Q4 | 67.3M | $2.14B | +$30M | $31.79 | 215 |
| 2015 Q3 | 66.5M | $1.72B | +$42.8M | $25.88 | 197 |
| 2015 Q2 | 65.2M | $1.92B | -$68.6M | $29.45 | 209 |
| 2015 Q1 | 67.3M | $2.2B | -$194M | $32.68 | 207 |
| 2014 Q4 | 73.3M | $2.44B | -$129M | $33.24 | 219 |
| 2014 Q3 | 77.2M | $2.09B | +$51.2M | $27.04 | 201 |
| 2014 Q2 | 76.3M | $2.06B | -$31.3M | $26.96 | 199 |
| 2014 Q1 | 76.9M | $1.85B | +$131M | $24.07 | 197 |