| Period | Filings | Shares, Excl. Options | Value, Excl. Options |
|---|---|---|---|
| 2017 Q4 | 34 | 49.4 M | $50.3 M |
| 2017 Q3 | 40 | 54.7 M | $60.1 M |
| 2017 Q2 | 40 | 58.9 M | $60.6 M |
| 2017 Q1 | 44 | 186 M | $191 M |
| 2016 Q4 | 45 | 183 M | $188 M |
| 2016 Q3 | 38 | 165 M | $170 M |
| 2016 Q2 | 39 | 160 M | $164 M |
| 2016 Q1 | 34 | 185 M | $181 M |
| 2015 Q4 | 39 | 176 M | $172 M |
| 2015 Q3 | 39 | 166 M | $162 M |
| 2015 Q2 | 35 | 168 M | $169 M |
| 2015 Q1 | 31 | 171 M | $174 M |
| 2014 Q4 | 30 | 177 M | $178 M |
| 2014 Q3 | 30 | 183 M | $191 M |
| 2014 Q2 | 30 | 183 M | $197 M |
| 2014 Q1 | 26 | 184 M | $199 M |