Type	Name	Date
Underwriting agreement	Underwriting Agreement	06/19/2019
Underwriting agreement	Underwriting Agreement	06/01/2018
Registration rights agreement	Registration Rights Agreement, by and among Eleven Biotherapeutics, Inc. and the shareholders named therein	09/21/2016
Registration rights agreement	Registration Rights Agreement, by and among the Company and the persons party thereto	12/01/2014
Securities purchase agreement	Securities Purchase Agreement, by and among the Company and the persons party thereto	12/01/2014

Type	Name	Date
By-Laws	Amended and Restated By-laws of Eleven Biotherapeutics, Inc	04/16/2015
By-Laws	Amended and Restated By-laws of Eleven Biotherapeutics, Inc	02/18/2014

Type	Name	Date
Employment agreement	Employment Agreement, by and between Monica Forbes and Sesen Bio, Inc	08/26/2019
Equity incentive plans	2014 Stock Incentive Plan, as amended	06/25/2019
Employment agreement	Employment Agreement, by and between Sesen Bio, Inc. and Dennis Kim, M.D., MPH	12/04/2018
Employment agreement	Employment Agreement, by and between Sesen Bio, Inc. and Thomas R. Cannell	08/13/2018
Employment agreement	Employment Agreement, by and between Eleven Biotherapeutics, Inc. and Richard Fitzgerald	01/25/2018
Employment agreement	Employment Agreement between the Registrant and Stephen A. Hurly	09/21/2016
Employment agreement	Employment Agreement between the Registrant and Arthur P. DeCillis	09/21/2016
Separation agreement	Separation Agreement between the Registrant and Abbie C. Celniker	09/21/2016
Separation agreement	Separation Agreement between the Registrant and Karen L. Tubridy	09/21/2016
Equity incentive plans	Form of Restricted Stock Unit Agreement under 2014 Stock Incentive Plan	06/29/2015