Type	Name	Date
Registration rights agreement	Registration Rights Agreement, by and among Selecta Biosciences, Inc. and the Investors named therein	12/26/2019
Securities purchase agreement	Securities Purchase Agreement, by and among Selecta Biosciences, Inc. and the Investors named therein	12/26/2019
Underwriting agreement	UNDERWRITING AGREEMENT	01/24/2019
Registration rights agreement	Registration Rights Agreement, by and among Selecta Biosciences, Inc. and the Investors named therein	06/28/2017
Securities purchase agreement	Securities Purchase Agreement, by and among Selecta Biosciences, Inc. and the Investors named therein	06/28/2017

Type	Name	Date
By-Laws	Amended and Restated Bylaws of Selecta Biosciences, Inc	06/29/2016

Type	Name	Date
Lease agreement	Fourth Amendment to Lease, by and between ARE-480 Arsenal Street, LLC and Selecta Biosciences, Inc	09/14/2016