| Month | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| Mar 31, 2025 | Oberweis Asset Management Inc | 91,800 | 0.67% |
| Feb 28, 2025 | Oberweis Asset Management Inc | 91,800 | 0.68% |
| Jan 31, 2025 | Oberweis Asset Management Inc | 88,800 | 0.65% |
| Dec 31, 2024 | Oberweis Asset Management Inc | 45,900 | 0.34% |
| Dec 31, 2024 | Oberweis Asset Management Inc | 88,800 | 0.65% |
| Nov 30, 2024 | Oberweis Asset Management Inc | 88,800 | 0.65% |
| Sep 30, 2024 | Oberweis Asset Management Inc | 44,400 | 0.33% |