Type	Name	Date
Underwriting agreement	Underwriting Agreement	12/05/2019
Registration rights agreement	Registration Rights Agreement, by and among the Company and the persons party thereto	03/14/2013
Securities purchase agreement	Securities Purchase Agreement, by and among the Company and the persons party thereto	03/14/2013
Registration rights agreement	Registration Rights Agreement, by and among the Company and the persons party thereto	08/14/2012