OBERWEIS ASSET MANAGEMENT INC/'s ownership history for CHYM

OBERWEIS ASSET MANAGEMENT INC/ currently holds 1.0M shares with a market value of $19.4M. It started holding CHYM on 2026-03-31. At its peak, it held 1.0M shares on 2026-03-31. Its highest holding value was $19.4M on 2026-03-31. At its lowest, it held 1.0M shares on 2026-03-31, with a value of $19.4M on 2026-03-31.