| Period | Filings | Shares, Excl. Options | Value, Excl. Options |
|---|---|---|---|
| 2021 Q2 | 1 | 0 | $0 |
| 2021 Q1 | 1 | 0 | $0 |
| 2020 Q4 | 1 | 0 | $0 |
| 2020 Q3 | 1 | 0 | $0 |
| 2020 Q2 | 1 | 0 | $0 |
| 2020 Q1 | 2 | 0 | $0 |
| 2019 Q4 | 1 | 0 | $0 |
| 2019 Q3 | 1 | 0 | $0 |
| 2019 Q2 | 1 | 0 | $0 |
| 2019 Q1 | 1 | 0 | $0 |
| 2018 Q4 | 178 | 34.3 M | $1.91 B |
| 2018 Q3 | 191 | 35.2 M | $1.64 B |
| 2018 Q2 | 204 | 35.5 M | $1.65 B |
| 2018 Q1 | 220 | 36.3 M | $1.57 B |
| 2017 Q4 | 199 | 35.4 M | $1.41 B |
| 2017 Q3 | 192 | 33.2 M | $1.44 B |
| 2017 Q2 | 203 | 32.3 M | $1.55 B |
| 2017 Q1 | 210 | 32.4 M | $1.33 B |
| 2016 Q4 | 196 | 32.6 M | $1.25 B |
| 2016 Q3 | 224 | 30.8 M | $1.66 B |
| 2016 Q2 | 199 | 30.6 M | $1.31 B |
| 2016 Q1 | 174 | 29.7 M | $1.49 B |
| 2015 Q4 | 220 | 29.0 M | $1.83 B |
| 2015 Q3 | 195 | 28.7 M | $1.88 B |
| 2015 Q2 | 171 | 25.9 M | $1.75 B |
| 2015 Q1 | 160 | 26.1 M | $1.12 B |
| 2014 Q4 | 150 | 22.2 M | $1.10 B |
| 2014 Q3 | 140 | 24.6 M | $707 M |
| 2014 Q2 | 139 | 21.1 M | $551 M |
| 2014 Q1 | 142 | 21.1 M | $1.17 B |