| Month | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| Dec 31, 2024 | Perkins Capital Management Inc | 13,276 | 0.31% |
| Sep 30, 2024 | Perkins Capital Management Inc | 1,932,959 | 3.02% |
| Jun 30, 2024 | Perkins Capital Management Inc | 1,965,405 | 3.10% |
| Mar 31, 2024 | Perkins Capital Management Inc | 1,996,905 | 3.22% |
| Dec 31, 2023 | Perkins Capital Management Inc | 1,999,405 | 3.38% |
| Sep 30, 2023 | Perkins Capital Management Inc | 1,495,405 | 2.54% |
| Jun 30, 2023 | Perkins Capital Management Inc | 1,543,239 | 2.62% |
| Mar 31, 2023 | Perkins Capital Management Inc | 1,560,339 | 2.66% |