| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2023 | Q2 | 24,050 | +11,650 |
| 2023 | Q1 | 12,400 | +3,400 |
| 2022 | Q4 | 9,000 | |
| 2021 | Q1 | 0 | Liquidated |
| 2020 | Q4 | 50,104 | +10,435 |
| 2020 | Q3 | 39,669 | +12,790 |
| 2020 | Q2 | 26,879 | -18,800 |
| 2020 | Q1 | 45,679 | -47,740 |
| 2019 | Q4 | 93,419 | |
| 2013 | Q1 | 0 | Liquidated |
| 2012 | Q4 | 34,899 | -400 |
| 2012 | Q3 | 35,299 | -65,504 |
| 2012 | Q2 | 100,803 | +37,519 |
| 2012 | Q1 | 63,284 | -10,231 |
| 2011 | Q4 | 73,515 |