| Period | Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2017 Q3 | 0 | $0 | -$3.9M | 0 | |
| 2017 Q2 | 30K | $3.9M | -$1.49B | $130.00 | 1 |
| 2017 Q1 | 11.3M | $1.49B | +$586K | $132.08 | 102 |
| 2016 Q4 | 11.8M | $1.41B | +$14.3M | $119.26 | 93 |
| 2016 Q3 | 11.7M | $997M | +$455M | $85.44 | 82 |
| 2016 Q2 | 6.55M | $180M | +$28.9M | $27.46 | 63 |
| 2016 Q1 | 5.76M | $51.4M | -$50M | $8.92 | 59 |
| 2015 Q4 | 6.7M | $198M | -$16.7M | $29.57 | 77 |
| 2015 Q3 | 6.99M | $271M | +$25.2M | $38.81 | 78 |
| 2015 Q2 | 6.2M | $408M | +$5.91M | $65.75 | 90 |
| 2015 Q1 | 6.26M | $318M | +$18.8M | $50.63 | 87 |
| 2014 Q4 | 5.7M | $364M | -$10.7M | $63.80 | 98 |
| 2014 Q3 | 5.34M | $515M | -$8.79M | $96.45 | 115 |
| 2014 Q2 | 5.27M | $724M | +$1.7M | $137.37 | 135 |
| 2014 Q1 | 5.28M | $598M | +$32.4M | $113.01 | 120 |