ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2017

Shares 30,600 Value ($000) $126 Avg Close $4.26 Range $3.84 - $4.86

Q4 2016

Shares 10,700 Value ($000) $44 Avg Close $4.87 Range $3.61 - $6.71

Q3 2016

Shares 29,500 Value ($000) $175 Avg Close $5.04 Range $4.42 - $6.29

Q2 2016

Shares 55,700 Value ($000) $276 Avg Close $4.38 Range $3.91 - $5.39

Q1 2016

Shares 14,100 Value ($000) $63 Avg Close $4.54 Range $3.38 - $6.58

Q4 2015

Shares 10,500 Value ($000) $63 Avg Close $6.92 Range $5.24 - $8.87

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	30,600	$126	$4.26	$3.84 - $4.86
Q4 2016	10,700	$44	$4.87	$3.61 - $6.71
Q3 2016	29,500	$175	$5.04	$4.42 - $6.29
Q2 2016	55,700	$276	$4.38	$3.91 - $5.39
Q1 2016	14,100	$63	$4.54	$3.38 - $6.58
Q4 2015	10,500	$63	$6.92	$5.24 - $8.87