Type	Name	Date
Underwriting agreement	UNDERWRITING AGREEMENT	11/23/2020
Underwriting agreement	Underwriting Agreement, by and among the Company and BofA Securities, Inc. and Piper Jaffray & Co., as representatives of the underwriters named therein	08/09/2019
Securities purchase agreement	Securities Purchase Agreement, by and among the Company and the Investors named therein	03/04/2019