| Period | Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2020 Q1 | 0 | $0 | -$2.21M | 0 | |
| 2019 Q4 | 27K | $2.2M | -$5.36B | $81.59 | 1 |
| 2019 Q3 | 59.1M | $5.41B | +$12M | $91.50 | 278 |
| 2019 Q2 | 58.3M | $5.27B | -$674M | $90.51 | 305 |
| 2019 Q1 | 66.9M | $4.9B | +$54.6M | $73.24 | 282 |
| 2018 Q4 | 66.2M | $4.46B | -$117M | $67.42 | 280 |
| 2018 Q3 | 67.6M | $4.96B | +$87M | $73.31 | 284 |
| 2018 Q2 | 66.4M | $5.35B | +$84.1M | $80.56 | 270 |
| 2018 Q1 | 65.5M | $4.11B | +$136M | $62.81 | 255 |
| 2017 Q4 | 63.4M | $4.02B | +$119M | $63.37 | 283 |
| 2017 Q3 | 60.7M | $4.74B | +$234M | $78.06 | 252 |
| 2017 Q2 | 57.7M | $4.51B | -$146M | $78.20 | 263 |
| 2017 Q1 | 59.9M | $3.45B | +$471M | $57.69 | 239 |
| 2016 Q4 | 57.9M | $2.88B | -$9.62M | $49.67 | 226 |
| 2016 Q3 | 57.6M | $3.21B | -$150M | $55.76 | 222 |
| 2016 Q2 | 60.5M | $2.84B | +$148M | $46.87 | 191 |
| 2016 Q1 | 58.7M | $2.27B | +$29.8M | $38.71 | 179 |
| 2015 Q4 | 57.6M | $2.84B | -$14.7M | $49.29 | 192 |
| 2015 Q3 | 58.1M | $2.45B | -$7.21M | $42.11 | 200 |
| 2015 Q2 | 58.4M | $3.17B | -$63.9M | $54.32 | 203 |
| 2015 Q1 | 59.2M | $2.9B | +$1.66M | $49.04 | 186 |
| 2014 Q4 | 59.4M | $2.84B | +$126M | $47.75 | 186 |
| 2014 Q3 | 57M | $2.52B | +$45.9M | $44.29 | 196 |
| 2014 Q2 | 56M | $2.4B | +$121M | $42.81 | 189 |
| 2014 Q1 | 51.9M | $2.81B | +$75.5M | $54.34 | 200 |