| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2018 | Q2 | 6,639 | |
| 2018 | Q1 | 6,639 | +117 |
| 2017 | Q4 | 6,522 | -295 |
| 2017 | Q3 | 6,817 | +1,041 |
| 2017 | Q2 | 5,776 | -74 |
| 2017 | Q1 | 5,850 | +2,491 |
| 2016 | Q4 | 3,359 | +76 |
| 2016 | Q3 | 3,283 | -25 |
| 2016 | Q2 | 3,308 | +146 |
| 2016 | Q1 | 3,162 | +296 |
| 2015 | Q4 | 2,866 | +190 |
| 2015 | Q3 | 2,676 | +957 |
| 2015 | Q2 | 1,719 |