ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q2 2025

Shares 10,571 Value ($000) $63 Avg Close $5.75 Range $4.16 - $6.92

Q1 2025

Shares 10,157 Value ($000) $65 Avg Close $9.64 Range $6.23 - $14.30

Q4 2021

Shares 5,177 Value ($000) $258 Avg Close $52.70 Range $43.28 - $65.99

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	10,571	$63	$5.75	$4.16 - $6.92
Q1 2025	10,157	$65	$9.64	$6.23 - $14.30
Q4 2021	5,177	$258	$52.70	$43.28 - $65.99