| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2018 | Q2 | 3,207 | |
| 2018 | Q1 | 3,207 | +137 |
| 2017 | Q4 | 3,070 | -1,657 |
| 2017 | Q3 | 4,727 | +445 |
| 2017 | Q2 | 4,282 | -258 |
| 2017 | Q1 | 4,540 | +1,694 |
| 2016 | Q4 | 2,846 | +143 |
| 2016 | Q3 | 2,703 | -214 |
| 2016 | Q2 | 2,917 | +465 |
| 2016 | Q1 | 2,452 | +267 |
| 2015 | Q4 | 2,185 | -352 |
| 2015 | Q3 | 2,537 | +795 |
| 2015 | Q2 | 1,742 |