ASPN - Aspen Aerogels Inc. 2021 Q4 - Results - Earnings Call Presentation March, 03 2022 02:47 PM Aspen Aerogels Inc. The following slide deck was published by Aspen Aerogels, Inc. in conjunction with their 2021 Q4 earnings call. For further details see: Aspen Aerogels, Inc. 2021 Q4 - Results - Earnings Call Presentation