ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

Harbour Capital Advisors, LLC's Holding History (CIK: 0001682501)

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

Q3 2025

Shares 58,675 Value ($000) $473 Avg Close $7.05 Range $5.75 - $9.78

Q3 2024

Shares 43,525 Value ($000) $988 Avg Close $25.02 Range $16.78 - $33.15

Q2 2024

Shares 43,350 Value ($000) $1,019 Avg Close $23.47 Range $14.52 - $31.74

Q1 2024

Shares 24,115 Value ($000) $404 Avg Close $14.74 Range $10.75 - $19.10

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	58,675	$473	$7.05	$5.75 - $9.78
Q3 2024	43,525	$988	$25.02	$16.78 - $33.15
Q2 2024	43,350	$1,019	$23.47	$14.52 - $31.74
Q1 2024	24,115	$404	$14.74	$10.75 - $19.10