Penbrook Management LLC's ownership history for PRTA

Penbrook Management LLC currently holds 271.7K shares with a market value of $2.6M. It started holding PRTA on 2026-03-31. At its peak, it held 271.7K shares on 2026-03-31. Its highest holding value was $2.6M on 2026-03-31. At its lowest, it held 271.7K shares on 2026-03-31, with a value of $2.6M on 2026-03-31.