ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

MILLENNIUM MANAGEMENT LLC's Holding History (CIK: 0001273087)

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

Q4 2025

Shares 870,951 Value ($000) $2,465 Avg Close $5.16 Range $2.79 - $9.35

Q3 2025

Shares 1,447,517 Value ($000) $10,075 Avg Close $7.05 Range $5.75 - $9.78

Q2 2025

Shares 906,745 Value ($000) $5,368 Avg Close $5.75 Range $4.16 - $6.92

Q1 2025

Shares 1,599,392 Value ($000) $10,220 Avg Close $9.64 Range $6.23 - $14.30

Q4 2024

Shares 1,622,022 Value ($000) $19,270 Avg Close $17.05 Range $11.59 - $27.25

Q3 2024

Shares 33,390 Value ($000) $925 Avg Close $25.02 Range $16.78 - $33.15

Q2 2024

Shares 391,563 Value ($000) $9,339 Avg Close $23.47 Range $14.52 - $31.74

Q3 2023

Shares 19,159 Value ($000) $165 Avg Close $7.10 Range $5.33 - $8.90

Q2 2023

Shares 417,708 Value ($000) $3,296 Avg Close $6.96 Range $5.41 - $8.70

Q1 2023

Shares 1,270,740 Value ($000) $9 Avg Close $9.94 Range $6.37 - $13.50

Q4 2022

Shares 1,038,970 Value ($000) $12 Avg Close $11.43 Range $8.90 - $14.44

Q3 2022

Shares 100,677 Value ($000) $928 Avg Close $12.11 Range $9.20 - $15.11

Q2 2022

Shares 204,105 Value ($000) $2,017 Avg Close $20.18 Range $7.93 - $35.54

Q1 2022

Shares 212,293 Value ($000) $7,320 Avg Close $32.45 Range $25.00 - $52.00

Q4 2021

Shares 38,538 Value ($000) $1,919 Avg Close $52.70 Range $43.28 - $65.99

Q3 2021

Shares 156,510 Value ($000) $7,201 Avg Close $39.64 Range $30.43 - $47.29

Q2 2021

Shares 442,761 Value ($000) $13,247 Avg Close $20.41 Range $16.33 - $31.00

Q1 2021

Shares 87,484 Value ($000) $1,779 Avg Close $21.09 Range $15.21 - $26.98

Q1 2020

Shares 211,778 Value ($000) $1,300 Avg Close $8.12 Range $4.09 - $10.71

Q4 2017

Shares 30,945 Value ($000) $151 Avg Close $4.66 Range $4.12 - $5.14

Q2 2017

Shares 13,000 Value ($000) $58 Avg Close $4.22 Range $3.95 - $4.62

Q4 2016

Shares 35,746 Value ($000) $148 Avg Close $4.87 Range $3.61 - $6.71

Q3 2015

Shares 27,520 Value ($000) $206 Avg Close $7.28 Range $6.27 - $9.03

Q3 2014

Shares 20,044 Value ($000) $202 Avg Close $10.13 Range $8.04 - $11.56

Q2 2014

Shares 73,894 Value ($000) $817 Avg Close $10.85 Range $10.25 - $11.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	870,951	$2,465	$5.16	$2.79 - $9.35
Q3 2025	1,447,517	$10,075	$7.05	$5.75 - $9.78
Q2 2025	906,745	$5,368	$5.75	$4.16 - $6.92
Q1 2025	1,599,392	$10,220	$9.64	$6.23 - $14.30
Q4 2024	1,622,022	$19,270	$17.05	$11.59 - $27.25
Q3 2024	33,390	$925	$25.02	$16.78 - $33.15
Q2 2024	391,563	$9,339	$23.47	$14.52 - $31.74
Q3 2023	19,159	$165	$7.10	$5.33 - $8.90
Q2 2023	417,708	$3,296	$6.96	$5.41 - $8.70
Q1 2023	1,270,740	$9	$9.94	$6.37 - $13.50
Q4 2022	1,038,970	$12	$11.43	$8.90 - $14.44
Q3 2022	100,677	$928	$12.11	$9.20 - $15.11
Q2 2022	204,105	$2,017	$20.18	$7.93 - $35.54
Q1 2022	212,293	$7,320	$32.45	$25.00 - $52.00
Q4 2021	38,538	$1,919	$52.70	$43.28 - $65.99
Q3 2021	156,510	$7,201	$39.64	$30.43 - $47.29
Q2 2021	442,761	$13,247	$20.41	$16.33 - $31.00
Q1 2021	87,484	$1,779	$21.09	$15.21 - $26.98
Q1 2020	211,778	$1,300	$8.12	$4.09 - $10.71
Q4 2017	30,945	$151	$4.66	$4.12 - $5.14
Q2 2017	13,000	$58	$4.22	$3.95 - $4.62
Q4 2016	35,746	$148	$4.87	$3.61 - $6.71
Q3 2015	27,520	$206	$7.28	$6.27 - $9.03
Q3 2014	20,044	$202	$10.13	$8.04 - $11.56
Q2 2014	73,894	$817	$10.85	$10.25 - $11.74