ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's Holding History (CIK: 0001535845)

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

Q4 2025

Shares 157,400 Value ($000) $445 Avg Close $5.16 Range $2.79 - $9.35

Q3 2024

Shares 88,714 Value ($000) $2,456 Avg Close $25.02 Range $16.78 - $33.15

Q2 2024

Shares 80,591 Value ($000) $1,922 Avg Close $23.47 Range $14.52 - $31.74

Q1 2024

Shares 48,348 Value ($000) $851 Avg Close $14.74 Range $10.75 - $19.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	157,400	$445	$5.16	$2.79 - $9.35
Q3 2024	88,714	$2,456	$25.02	$16.78 - $33.15
Q2 2024	80,591	$1,922	$23.47	$14.52 - $31.74
Q1 2024	48,348	$851	$14.74	$10.75 - $19.10