Catalyst Biosciences, Inc. is a biopharmaceutical company which focused on creating and developing medicines to address serious medical conditions. The Company's hemostasis product candidates include CB 813d/PF-0520602, CB 2679d/ISU 304 and FXa. Anti-Complement Product consists of CB 2782 and Ophthalmic which are in clinical different trail. Catalyst Biosciences, Inc., formerly known as Targacept, Inc., is based in South San Francisco, Calif.