ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

SUMMIT SECURITIES GROUP LLC's Holding History (CIK: 0001531593)

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

Q3 2025

Shares 975 Value ($000) $7 Avg Close $7.05 Range $5.75 - $9.78

Q2 2025

Shares 5,716 Value ($000) $34 Avg Close $5.75 Range $4.16 - $6.92

Q4 2022

Shares 3,387 Value ($000) $0 Avg Close $11.43 Range $8.90 - $14.44

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	975	$7	$7.05	$5.75 - $9.78
Q2 2025	5,716	$34	$5.75	$4.16 - $6.92
Q4 2022	3,387	$0	$11.43	$8.90 - $14.44