| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2018 | Q1 | 346,497 | -64,683 |
| 2017 | Q4 | 411,180 | +32,790 |
| 2017 | Q3 | 378,390 | -21,750 |
| 2017 | Q2 | 400,140 | -77,450 |
| 2017 | Q1 | 477,590 | -53,750 |
| 2016 | Q4 | 531,340 | -69,660 |
| 2016 | Q3 | 601,000 | +291,000 |
| 2016 | Q2 | 310,000 | |
| 2015 | Q1 | 0 | Liquidated |
| 2014 | Q4 | 223,300 | -20,500 |
| 2014 | Q3 | 243,800 | +35,000 |
| 2014 | Q2 | 208,800 | +56,300 |
| 2014 | Q1 | 152,500 |