| Period | Filings | Shares, Excl. Options | Value, Excl. Options |
|---|---|---|---|
| 2018 Q1 | 3 | 246 k | $2.58 M |
| 2017 Q4 | 111 | 42.4 M | $503 M |
| 2017 Q3 | 118 | 39.0 M | $434 M |
| 2017 Q2 | 107 | 40.3 M | $521 M |
| 2017 Q1 | 102 | 40.2 M | $613 M |
| 2016 Q4 | 117 | 38.3 M | $423 M |
| 2016 Q3 | 120 | 39.9 M | $434 M |
| 2016 Q2 | 101 | 43.9 M | $403 M |
| 2016 Q1 | 103 | 47.9 M | $575 M |
| 2015 Q4 | 119 | 51.8 M | $643 M |
| 2015 Q3 | 112 | 51.9 M | $721 M |
| 2015 Q2 | 128 | 51.7 M | $871 M |
| 2015 Q1 | 132 | 53.9 M | $1.12 B |
| 2014 Q4 | 131 | 55.4 M | $1.07 B |
| 2014 Q3 | 149 | 56.3 M | $1.35 B |
| 2014 Q2 | 159 | 57.5 M | $1.50 B |
| 2014 Q1 | 161 | 58.6 M | $1.85 B |