ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 866,218 Value ($000) $2,451 Avg Close $5.16 Range $2.79 - $9.35

Q3 2025

Shares 1,114,590 Value ($000) $7,758 Avg Close $7.05 Range $5.75 - $9.78

Q2 2025

Shares 163,032 Value ($000) $965 Avg Close $5.75 Range $4.16 - $6.92

Q1 2025

Shares 577,760 Value ($000) $3,692 Avg Close $9.64 Range $6.23 - $14.30

Q4 2024

Shares 624,230 Value ($000) $7,416 Avg Close $17.05 Range $11.59 - $27.25

Q3 2024

Shares 397,785 Value ($000) $11,015 Avg Close $25.02 Range $16.78 - $33.15

Q2 2024

Shares 630,556 Value ($000) $15,039 Avg Close $23.47 Range $14.52 - $31.74

Q1 2024

Shares 52,276 Value ($000) $920 Avg Close $14.74 Range $10.75 - $19.10

Q4 2023

Shares 275,053 Value ($000) $4,340 Avg Close $10.33 Range $6.62 - $17.32

Q3 2023

Shares 667,829 Value ($000) $5,743 Avg Close $7.10 Range $5.33 - $8.90

Q2 2023

Shares 429,658 Value ($000) $3,390 Avg Close $6.96 Range $5.41 - $8.70

Q1 2023

Shares 685,519 Value ($000) $5,107 Avg Close $9.94 Range $6.37 - $13.50

Q4 2022

Shares 238,067 Value ($000) $2,807 Avg Close $11.43 Range $8.90 - $14.44

Q3 2022

Shares 100,500 Value ($000) $927 Avg Close $12.11 Range $9.20 - $15.11

Q2 2022

Shares 55,589 Value ($000) $549 Avg Close $20.18 Range $7.93 - $35.54

Q1 2022

Shares 191,838 Value ($000) $6,614 Avg Close $32.45 Range $25.00 - $52.00

Q4 2021

Shares 122,683 Value ($000) $6,109 Avg Close $52.70 Range $43.28 - $65.99

Q3 2021

Shares 45,015 Value ($000) $2,071 Avg Close $39.64 Range $30.43 - $47.29

Q2 2021

Shares 31,078 Value ($000) $930 Avg Close $20.41 Range $16.33 - $31.00

Q1 2021

Shares 49,199 Value ($000) $1,000 Avg Close $21.09 Range $15.21 - $26.98

Q4 2020

Shares 22,795 Value ($000) $380 Avg Close $13.15 Range $10.17 - $18.22

Q1 2020

Shares 17,273 Value ($000) $106 Avg Close $8.12 Range $4.09 - $10.71

Q1 2017

Shares 10,428 Value ($000) $43 Avg Close $4.26 Range $3.84 - $4.86

Q4 2015

Shares 38,659 Value ($000) $235 Avg Close $6.92 Range $5.24 - $8.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	866,218	$2,451	$5.16	$2.79 - $9.35
Q3 2025	1,114,590	$7,758	$7.05	$5.75 - $9.78
Q2 2025	163,032	$965	$5.75	$4.16 - $6.92
Q1 2025	577,760	$3,692	$9.64	$6.23 - $14.30
Q4 2024	624,230	$7,416	$17.05	$11.59 - $27.25
Q3 2024	397,785	$11,015	$25.02	$16.78 - $33.15
Q2 2024	630,556	$15,039	$23.47	$14.52 - $31.74
Q1 2024	52,276	$920	$14.74	$10.75 - $19.10
Q4 2023	275,053	$4,340	$10.33	$6.62 - $17.32
Q3 2023	667,829	$5,743	$7.10	$5.33 - $8.90
Q2 2023	429,658	$3,390	$6.96	$5.41 - $8.70
Q1 2023	685,519	$5,107	$9.94	$6.37 - $13.50
Q4 2022	238,067	$2,807	$11.43	$8.90 - $14.44
Q3 2022	100,500	$927	$12.11	$9.20 - $15.11
Q2 2022	55,589	$549	$20.18	$7.93 - $35.54
Q1 2022	191,838	$6,614	$32.45	$25.00 - $52.00
Q4 2021	122,683	$6,109	$52.70	$43.28 - $65.99
Q3 2021	45,015	$2,071	$39.64	$30.43 - $47.29
Q2 2021	31,078	$930	$20.41	$16.33 - $31.00
Q1 2021	49,199	$1,000	$21.09	$15.21 - $26.98
Q4 2020	22,795	$380	$13.15	$10.17 - $18.22
Q1 2020	17,273	$106	$8.12	$4.09 - $10.71
Q1 2017	10,428	$43	$4.26	$3.84 - $4.86
Q4 2015	38,659	$235	$6.92	$5.24 - $8.87