ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

Nuveen, LLC's Holding History (CIK: 0001871926)

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

Q4 2025

Shares 133,867 Value ($000) $379 Avg Close $5.16 Range $2.79 - $9.35

Q3 2025

Shares 133,867 Value ($000) $932 Avg Close $7.05 Range $5.75 - $9.78

Q2 2025

Shares 133,867 Value ($000) $792 Avg Close $5.75 Range $4.16 - $6.92

Q1 2025

Shares 169,473 Value ($000) $1,083 Avg Close $9.64 Range $6.23 - $14.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	133,867	$379	$5.16	$2.79 - $9.35
Q3 2025	133,867	$932	$7.05	$5.75 - $9.78
Q2 2025	133,867	$792	$5.75	$4.16 - $6.92
Q1 2025	169,473	$1,083	$9.64	$6.23 - $14.30