ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

STRS OHIO's Holding History (CIK: 0000820478)

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

Q1 2022

Shares 27,100 Value ($000) $934 Avg Close $32.45 Range $25.00 - $52.00

Q4 2021

Shares 1,100 Value ($000) $54 Avg Close $52.70 Range $43.28 - $65.99

Q3 2021

Shares 1,100 Value ($000) $50 Avg Close $39.64 Range $30.43 - $47.29

Q3 2014

Shares 1,900 Value ($000) $19 Avg Close $10.13 Range $8.04 - $11.56

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	27,100	$934	$32.45	$25.00 - $52.00
Q4 2021	1,100	$54	$52.70	$43.28 - $65.99
Q3 2021	1,100	$50	$39.64	$30.43 - $47.29
Q3 2014	1,900	$19	$10.13	$8.04 - $11.56