ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

PROMETHIUM ADVISORS,LLC's Holding History (CIK: 0002034073)

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

Q1 2025

Shares 63,320 Value ($000) $405 Avg Close $9.64 Range $6.23 - $14.30

Q4 2024

Shares 46,880 Value ($000) $557 Avg Close $17.05 Range $11.59 - $27.25

Q3 2024

Shares 33,065 Value ($000) $916 Avg Close $25.02 Range $16.78 - $33.15

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	63,320	$405	$9.64	$6.23 - $14.30
Q4 2024	46,880	$557	$17.05	$11.59 - $27.25
Q3 2024	33,065	$916	$25.02	$16.78 - $33.15