ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

Boston Partners's Holding History (CIK: 0001386060)

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

Q3 2020

Shares 71,984 Value ($000) $788 Avg Close $7.91 Range $5.78 - $11.28

Q2 2020

Shares 56,378 Value ($000) $371 Avg Close $6.42 Range $5.19 - $8.65

Q1 2020

Shares 90,472 Value ($000) $556 Avg Close $8.12 Range $4.09 - $10.71

Q4 2019

Shares 202,392 Value ($000) $1,571 Avg Close $6.91 Range $5.58 - $8.51

Q3 2019

Shares 145,504 Value ($000) $861 Avg Close $6.36 Range $5.53 - $7.50

Q2 2019

Shares 61,666 Value ($000) $440 Avg Close $4.54 Range $2.42 - $7.15

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	71,984	$788	$7.91	$5.78 - $11.28
Q2 2020	56,378	$371	$6.42	$5.19 - $8.65
Q1 2020	90,472	$556	$8.12	$4.09 - $10.71
Q4 2019	202,392	$1,571	$6.91	$5.58 - $8.51
Q3 2019	145,504	$861	$6.36	$5.53 - $7.50
Q2 2019	61,666	$440	$4.54	$2.42 - $7.15