$84.2 million quarterly revenue enabled gross margins of 35% and adjusted EBITDA of $9.1 million NORTHBOROUGH, Mass., Feb. 12, 2024 /PRNewswire/ -- Aspen Aerogels, Inc. (NYSE: ASPN) ("Aspen" or the "Company"), a technology leader in sustainability and electrification solutions, today announced financial results for the fourth quarter and full year 2023, which ended December 31, 2023, and discussed recent business developments. Total revenue for the fourth quarter of 2023 was $84.2 million, compared to $59. ...