| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2023 | Q2 | 10,170 | -11,430 |
| 2023 | Q1 | 21,600 | +7,700 |
| 2022 | Q4 | 13,900 | |
| 2021 | Q1 | 0 | Liquidated |
| 2020 | Q4 | 22,970 | |
| 2020 | Q1 | 0 | Liquidated |
| 2019 | Q4 | 109,961 | |
| 2018 | Q2 | 0 | Liquidated |
| 2018 | Q1 | 83,595 | -5,180 |
| 2017 | Q4 | 88,775 | -83,437 |
| 2017 | Q3 | 172,212 | -4,803 |
| 2017 | Q2 | 177,015 | -85,952 |
| 2017 | Q1 | 262,967 | +53,040 |
| 2016 | Q4 | 209,927 | +11,027 |
| 2016 | Q3 | 198,900 | -87,055 |
| 2016 | Q2 | 285,955 | +199,175 |
| 2016 | Q1 | 86,780 |