Type	Name	Date
Underwriting agreement	Underwriting Agreement, by and among Aspen Aerogels, Inc. and Cowen and Company, LLC and Barclays Capital Inc., as representatives of the several underwriters named therein	11/30/2022

Type	Name	Date
By-Laws	Amended and Restated By-Laws of Aspen Aerogels, Inc	06/19/2014