| Month | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| Dec 31, 2024 | Oberweis Asset Management Inc | 3,516 | 0.00% |
| Sep 30, 2024 | Oberweis Asset Management Inc | 3,709 | 0.00% |
| Jun 30, 2024 | Oberweis Asset Management Inc | 3,807 | 0.00% |
| Mar 31, 2024 | Oberweis Asset Management Inc | 3,804 | 0.00% |
| Sep 30, 2023 | Oberweis Asset Management Inc | 4,004 | 0.00% |
| Jun 30, 2023 | Oberweis Asset Management Inc | 4,095 | 0.00% |
| Mar 31, 2023 | Oberweis Asset Management Inc | 4,092 | 0.00% |
| Dec 31, 2022 | Oberweis Asset Management Inc | 4,089 | 0.00% |