PERKINS CAPITAL MANAGEMENT INC's ownership history for CSTL

PERKINS CAPITAL MANAGEMENT INC currently holds 15.4K shares with a market value of $378.4K. 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 $1.1M on 2025-12-31. At its lowest, it held 15.4K shares on 2026-03-31, with a value of $378.4K on 2026-03-31. In the recent 180 days, PERKINS CAPITAL MANAGEMENT INC has decreased its shares by 12.7K. In the recent year, PERKINS CAPITAL MANAGEMENT INC has decreased its shares by 18.6K.