ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

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

Q4 2025

Shares 16,005 Value ($000) $45 Avg Close $5.16 Range $2.79 - $9.35

Q1 2025

Shares 11,513 Value ($000) $74 Avg Close $9.64 Range $6.23 - $14.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16,005	$45	$5.16	$2.79 - $9.35
Q1 2025	11,513	$74	$9.64	$6.23 - $14.30