| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2018 | Q2 | 2,987 | |
| 2018 | Q1 | 2,987 | -16 |
| 2017 | Q4 | 3,003 | -1,398 |
| 2017 | Q3 | 4,401 | +100 |
| 2017 | Q2 | 4,301 | +313 |
| 2017 | Q1 | 3,988 | +1,913 |
| 2016 | Q4 | 2,075 | -341 |
| 2016 | Q3 | 2,416 | +480 |
| 2016 | Q2 | 1,936 | +50 |
| 2016 | Q1 | 1,886 | +384 |
| 2015 | Q4 | 1,502 | -550 |
| 2015 | Q3 | 2,052 | +678 |
| 2015 | Q2 | 1,374 |