ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q4 2025

Shares 6,088 Value ($000) $0 Avg Close $5.16 Range $2.79 - $9.35

Q3 2025

Shares 6,088 Value ($000) $0 Avg Close $7.05 Range $5.75 - $9.78

Q2 2025

Shares 6,088 Value ($000) $0 Avg Close $5.75 Range $4.16 - $6.92

Q1 2025

Shares 6,088 Value ($000) $0 Avg Close $9.64 Range $6.23 - $14.30

Q4 2024

Shares 6,088 Value ($000) $0 Avg Close $17.05 Range $11.59 - $27.25

Q3 2024

Shares 6,088 Value ($000) $0 Avg Close $25.02 Range $16.78 - $33.15

Q2 2024

Shares 6,088 Value ($000) $0 Avg Close $23.47 Range $14.52 - $31.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,088	$0	$5.16	$2.79 - $9.35
Q3 2025	6,088	$0	$7.05	$5.75 - $9.78
Q2 2025	6,088	$0	$5.75	$4.16 - $6.92
Q1 2025	6,088	$0	$9.64	$6.23 - $14.30
Q4 2024	6,088	$0	$17.05	$11.59 - $27.25
Q3 2024	6,088	$0	$25.02	$16.78 - $33.15
Q2 2024	6,088	$0	$23.47	$14.52 - $31.74