| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2023 | Q2 | 224,400 | |
| 2023 | Q1 | 224,400 | |
| 2022 | Q4 | 224,400 | |
| 2022 | Q3 | 224,400 | +3,570 |
| 2022 | Q2 | 220,830 | -3,260 |
| 2022 | Q1 | 224,090 | +33,230 |
| 2021 | Q4 | 190,860 | |
| 2021 | Q2 | 0 | Liquidated |
| 2021 | Q1 | 168,360 | |
| 2020 | Q4 | 168,360 | |
| 2020 | Q3 | 168,360 | -8,600 |
| 2020 | Q2 | 176,960 | +3,750 |
| 2020 | Q1 | 173,210 | |
| 2019 | Q4 | 173,210 | -38,290 |
| 2019 | Q3 | 211,500 | |
| 2019 | Q2 | 211,500 | |
| 2019 | Q1 | 211,500 |