ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

Gagnon Advisors, LLC's Holding History (CIK: 0001599466)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 565,570 Value ($000) $3,936 Avg Close $7.05 Range $5.75 - $9.78

Q2 2025

Shares 565,570 Value ($000) $3,348 Avg Close $5.75 Range $4.16 - $6.92

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	565,570	$3,936	$7.05	$5.75 - $9.78
Q2 2025	565,570	$3,348	$5.75	$4.16 - $6.92