| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2019 | Q1 | 47,872 | +8,168 |
| 2018 | Q4 | 39,704 | |
| 2017 | Q4 | 0 | Liquidated |
| 2017 | Q3 | 210,709 | +92,163 |
| 2017 | Q2 | 118,546 | +22,501 |
| 2017 | Q1 | 96,045 | |
| 2014 | Q2 | 0 | Liquidated |
| 2014 | Q1 | 396,958 | |
| 2013 | Q4 | 396,958 | |
| 2013 | Q3 | 396,958 | -10,907 |
| 2013 | Q2 | 407,865 | +407,865 |
| 2013 | Q1 | 0 | Liquidated |
| 2012 | Q4 | 416,002 | -36,176 |
| 2012 | Q3 | 452,178 | -33,561 |
| 2012 | Q2 | 485,739 |