| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2021 | Q1 | 0 | Liquidated |
| 2020 | Q4 | 26,735 | |
| 2020 | Q2 | 0 | Liquidated |
| 2020 | Q1 | 19,952 | -1,200 |
| 2019 | Q4 | 21,152 | |
| 2019 | Q3 | 21,152 | +7,500 |
| 2019 | Q2 | 13,652 | +5,000 |
| 2019 | Q1 | 8,652 | |
| 2018 | Q4 | 8,652 | -11,900 |
| 2018 | Q3 | 20,552 | |
| 2018 | Q2 | 20,552 | -5,676 |
| 2018 | Q1 | 26,228 | +1,600 |
| 2017 | Q4 | 24,628 |