ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q2 2025

Shares 166,868 Value ($000) $988 Avg Close $5.75 Range $4.16 - $6.92

Q4 2023

Shares 48,232 Value ($000) $761 Avg Close $10.33 Range $6.62 - $17.32

Q3 2023

Shares 52,156 Value ($000) $449 Avg Close $7.10 Range $5.33 - $8.90

Q3 2021

Shares 4,668 Value ($000) $215 Avg Close $39.64 Range $30.43 - $47.29

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	166,868	$988	$5.75	$4.16 - $6.92
Q4 2023	48,232	$761	$10.33	$6.62 - $17.32
Q3 2023	52,156	$449	$7.10	$5.33 - $8.90
Q3 2021	4,668	$215	$39.64	$30.43 - $47.29