| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2018 | Q4 | 783,084 | -162,305 |
| 2018 | Q3 | 945,389 | -69,675 |
| 2018 | Q2 | 1,015,064 | |
| 2018 | Q1 | 1,015,064 | -52,116 |
| 2017 | Q4 | 1,067,180 | -144,758 |
| 2017 | Q3 | 1,211,938 | |
| 2017 | Q2 | 1,211,938 | |
| 2017 | Q1 | 1,211,938 | |
| 2016 | Q4 | 1,211,938 | -379,096 |
| 2016 | Q3 | 1,591,034 | -144,353 |
| 2016 | Q2 | 1,735,387 | +287,110 |
| 2016 | Q1 | 1,448,277 | -210,770 |
| 2015 | Q4 | 1,659,047 | +324,259 |
| 2015 | Q3 | 1,334,788 | +218,221 |
| 2015 | Q2 | 1,116,567 | +94,225 |
| 2015 | Q1 | 1,022,342 | +49,233 |
| 2014 | Q4 | 973,109 | +27,386 |
| 2014 | Q3 | 945,723 |