Aspen Aerogels, Inc. announced that it has entered into a definitive securities purchase agreement with new investor Spring Creek Capital, LLC for private placement of 3,462,124 common shares at a price of $21.663 per share for gross proceeds of $74,999,992.21 on June 29, 2021. The transaction is expected to close on or about June 30, 2021, subject to satisfaction of customary closing conditions. The securities will be issued pursuant to exemption provided under Regulation D and Section 4(a)(2) of the Securities Act.