| Period | Filings | Shares, Excl. Options | Value, Excl. Options |
|---|---|---|---|
| 2021 Q2 | 1 | 0 | $0 |
| 2021 Q1 | 1 | 0 | $0 |
| 2020 Q4 | 2 | 131 k | $19.0 M |
| 2020 Q3 | 1 | 0 | $0 |
| 2020 Q2 | 2 | 1.08 k | $128 k |
| 2020 Q1 | 2 | 0 | $0 |
| 2019 Q4 | 1 | 0 | $0 |
| 2019 Q3 | 1 | 0 | $0 |
| 2019 Q2 | 1 | 0 | $0 |
| 2019 Q1 | 3 | 4.07 k | $581 k |
| 2018 Q4 | 333 | 32.3 M | $4.60 B |
| 2018 Q3 | 358 | 32.9 M | $4.68 B |
| 2018 Q2 | 355 | 34.2 M | $4.20 B |
| 2018 Q1 | 358 | 34.4 M | $4.02 B |
| 2017 Q4 | 330 | 34.0 M | $4.02 B |
| 2017 Q3 | 305 | 33.8 M | $3.93 B |
| 2017 Q2 | 326 | 33.5 M | $3.63 B |
| 2017 Q1 | 363 | 34.3 M | $3.70 B |
| 2016 Q4 | 396 | 33.5 M | $4.06 B |
| 2016 Q3 | 383 | 33.7 M | $4.60 B |
| 2016 Q2 | 364 | 33.8 M | $4.12 B |
| 2016 Q1 | 359 | 33.9 M | $3.40 B |
| 2015 Q4 | 356 | 33.1 M | $4.63 B |
| 2015 Q3 | 341 | 31.9 M | $4.55 B |
| 2015 Q2 | 369 | 31.3 M | $3.82 B |
| 2015 Q1 | 370 | 32.8 M | $4.20 B |
| 2014 Q4 | 366 | 33.5 M | $6.38 B |
| 2014 Q3 | 358 | 33.3 M | $3.91 B |
| 2014 Q2 | 368 | 35.9 M | $3.95 B |
| 2014 Q1 | 363 | 34.8 M | $3.45 B |