PERKINS CAPITAL MANAGEMENT INC's ownership history for CSTL

PERKINS CAPITAL MANAGEMENT INC currently holds 28.1K shares with a market value of $640.9K. It started holding CSTL on 2024-09-30. At its peak, it held 34.2K shares on 2024-12-31. Its highest holding value was $930.9K on 2024-09-30. At its lowest, it held 28.0K shares on 2025-06-30, with a value of $571.7K on 2025-06-30. In the recent 180 days, PERKINS CAPITAL MANAGEMENT INC has decreased its shares by 5.8K. In the recent year, PERKINS CAPITAL MANAGEMENT INC has decreased its shares by 4.5K.