CRBU CARIBOU BIOSCIENCES INC US FDA Inspections 8-K Filing 2023 - FDA Clearance for CB-012 CAR-T Cell Therapy Caribou Biosciences, Inc. announced FDA clearance of its investigational new drug application for CB-012 CAR-T cell therapy for r/r AML.Get access to all SEC 8-K filings of the CARIBOU BIOSCIENCES INC