ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

NEXPOINT ASSET MANAGEMENT, L.P.'s Holding History (CIK: 0001469877)

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

Q4 2023

Shares 11,650 Value ($000) $184 Avg Close $10.33 Range $6.62 - $17.32

Q3 2023

Shares 16,650 Value ($000) $143 Avg Close $7.10 Range $5.33 - $8.90

Q2 2023

Shares 24,650 Value ($000) $194 Avg Close $6.96 Range $5.41 - $8.70

Q1 2023

Shares 28,050 Value ($000) $209 Avg Close $9.94 Range $6.37 - $13.50

Q4 2022

Shares 17,050 Value ($000) $201 Avg Close $11.43 Range $8.90 - $14.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	11,650	$184	$10.33	$6.62 - $17.32
Q3 2023	16,650	$143	$7.10	$5.33 - $8.90
Q2 2023	24,650	$194	$6.96	$5.41 - $8.70
Q1 2023	28,050	$209	$9.94	$6.37 - $13.50
Q4 2022	17,050	$201	$11.43	$8.90 - $14.44