| Period | Filings | Shares, Excl. Options | Value, Excl. Options |
|---|---|---|---|
| 2017 Q4 | 18 | 150 M | $123 M |
| 2017 Q3 | 14 | 130 M | $152 M |
| 2017 Q2 | 19 | 210 M | $210 M |
| 2017 Q1 | 23 | 208 M | $204 M |
| 2016 Q4 | 24 | 215 M | $229 M |
| 2016 Q3 | 27 | 223 M | $203 M |
| 2016 Q2 | 25 | 225 M | $217 M |
| 2016 Q1 | 27 | 258 M | $217 M |
| 2015 Q4 | 29 | 297 M | $173 M |
| 2015 Q3 | 30 | 320 M | $290 M |
| 2015 Q2 | 34 | 381 M | $403 M |
| 2015 Q1 | 37 | 330 M | $407 M |
| 2014 Q4 | 35 | 367 M | $435 M |
| 2014 Q3 | 33 | 337 M | $434 M |
| 2014 Q2 | 5 | 29.2 M | $40.5 M |
| 2014 Q1 | 4 | 20.2 M | $27.6 M |