| Month | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| Dec 31, 2024 | Oberweis Asset Management Inc | 161,800 | 1.72% |
| Nov 30, 2024 | Oberweis Asset Management Inc | 161,800 | 1.72% |
| Oct 31, 2024 | Oberweis Asset Management Inc | 161,800 | 1.74% |
| Sep 30, 2024 | Oberweis Asset Management Inc | 80,900 | 0.86% |
| Sep 30, 2024 | Oberweis Asset Management Inc | 161,800 | 1.75% |
| Aug 31, 2024 | Oberweis Asset Management Inc | 161,800 | 1.75% |
| Jul 31, 2024 | Oberweis Asset Management Inc | 80,900 | 0.88% |
| Jun 30, 2024 | Oberweis Asset Management Inc | 80,900 | 0.87% |