Type	Name	Date
Underwriting agreement	Underwriting Agreement	05/20/2011
Underwriting agreement	Underwriting Agreement	10/09/2009

Type	Name	Date
By-Laws	Amended and Restated Bylaws of Catalyst Biosciences, Inc	12/27/2022

Type	Name	Date
Employment agreement	Amended and Restated Employment Agreement, by and between the Company and Dr. Nassim Usman, Ph.D	08/31/2018
Employment agreement	Amended and Restated Employment Agreement, by and between the Company and Mr. Fletcher Payne	08/31/2018
Employment agreement	Amended and Restated Employment Agreement, by and between Catalyst Biosciences, Inc. and Dr. Nassim Usman, Ph.D	09/22/2017
Employment agreement	Amended and Restated Employment Agreement, by and between Catalyst Biosciences, Inc. and Fletcher Payne	09/22/2017
Separation agreement	Separation Agreement, between the Company and Edwin Madison	09/16/2016

Type	Name	Date
Lease agreement	Lease Agreement, by and between BXP 611 Gateway Center, LP and the Company	11/17/2017
Lease agreement	Lease Agreement, by and between BXP 611 Gateway Center, LP and the Company	11/17/2017