March 8, 2026 · Form 4 insider transaction
Young Donald R sold 4,275 shares of Aspen Aerogels, Inc. at $3.22 per share, a transaction worth $13.8K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.
1. Shares withheld by Registrant to satisfy minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs").; Represents 438,349 shares of Common Stock and 199,485 RSUs.