| Month | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| Mar 31, 2025 | Oberweis Asset Management Inc | 214,200 | 0.93% |
| Feb 28, 2025 | Oberweis Asset Management Inc | 214,200 | 0.93% |
| Jan 31, 2025 | Oberweis Asset Management Inc | 210,000 | 0.92% |
| Dec 31, 2024 | Oberweis Asset Management Inc | 107,100 | 0.47% |
| Dec 31, 2024 | Oberweis Asset Management Inc | 210,000 | 0.92% |
| Nov 30, 2024 | Oberweis Asset Management Inc | 210,000 | 0.92% |
| Sep 30, 2024 | Oberweis Asset Management Inc | 105,000 | 0.46% |