| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2018 | Q4 | 0 | Liquidated |
| 2018 | Q3 | 174,213 | -170,000 |
| 2018 | Q2 | 344,213 | |
| 2018 | Q1 | 344,213 | -120,600 |
| 2017 | Q4 | 464,813 | |
| 2017 | Q3 | 464,813 | |
| 2017 | Q2 | 464,813 | |
| 2017 | Q1 | 464,813 | +36,100 |
| 2016 | Q4 | 428,713 | -289,384 |
| 2016 | Q3 | 718,097 | -79,001 |
| 2016 | Q2 | 797,098 | -8,737 |
| 2016 | Q1 | 805,835 | -284,727 |
| 2015 | Q4 | 1,090,562 | -26,248 |
| 2015 | Q3 | 1,116,810 | -29,816 |
| 2015 | Q2 | 1,146,626 | -402,700 |
| 2015 | Q1 | 1,549,326 | -78,509 |
| 2014 | Q4 | 1,627,835 | +34,000 |
| 2014 | Q3 | 1,593,835 |