ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 540,323 Value ($000) $1,529 Avg Close $5.16 Range $2.79 - $9.35

Q3 2025

Shares 572,588 Value ($000) $3,985 Avg Close $7.05 Range $5.75 - $9.78

Q2 2025

Shares 545,843 Value ($000) $3,231 Avg Close $5.75 Range $4.16 - $6.92

Q1 2025

Shares 487,731 Value ($000) $3,117 Avg Close $9.64 Range $6.23 - $14.30

Q4 2024

Shares 549,709 Value ($000) $6,531 Avg Close $17.05 Range $11.59 - $27.25

Q3 2024

Shares 509,430 Value ($000) $14,106 Avg Close $25.02 Range $16.78 - $33.15

Q2 2024

Shares 167,177 Value ($000) $3,987 Avg Close $23.47 Range $14.52 - $31.74

Q1 2024

Shares 143,351 Value ($000) $2,523 Avg Close $14.74 Range $10.75 - $19.10

Q4 2023

Shares 146,742 Value ($000) $2,316 Avg Close $10.33 Range $6.62 - $17.32

Q3 2023

Shares 149,158 Value ($000) $1,283 Avg Close $7.10 Range $5.33 - $8.90

Q2 2023

Shares 144,904 Value ($000) $1,143 Avg Close $6.96 Range $5.41 - $8.70

Q1 2023

Shares 136,834 Value ($000) $1,019 Avg Close $9.94 Range $6.37 - $13.50

Q4 2022

Shares 93,546 Value ($000) $1,103 Avg Close $11.43 Range $8.90 - $14.44

Q3 2022

Shares 79,090 Value ($000) $730 Avg Close $12.11 Range $9.20 - $15.11

Q2 2022

Shares 71,608 Value ($000) $708 Avg Close $20.18 Range $7.93 - $35.54

Q1 2022

Shares 58,592 Value ($000) $2,021 Avg Close $32.45 Range $25.00 - $52.00

Q4 2021

Shares 57,622 Value ($000) $2,869 Avg Close $52.70 Range $43.28 - $65.99

Q3 2021

Shares 56,326 Value ($000) $2,592 Avg Close $39.64 Range $30.43 - $47.29

Q2 2021

Shares 57,797 Value ($000) $1,730 Avg Close $20.41 Range $16.33 - $31.00

Q1 2021

Shares 54,232 Value ($000) $1,104 Avg Close $21.09 Range $15.21 - $26.98

Q4 2020

Shares 77,805 Value ($000) $1,299 Avg Close $13.15 Range $10.17 - $18.22

Q3 2020

Shares 71,127 Value ($000) $779 Avg Close $7.91 Range $5.78 - $11.28

Q2 2020

Shares 50,327 Value ($000) $332 Avg Close $6.42 Range $5.19 - $8.65

Q2 2019

Shares 14,261 Value ($000) $102 Avg Close $4.54 Range $2.42 - $7.15

Q1 2019

Shares 14,261 Value ($000) $37 Avg Close $2.97 Range $2.13 - $3.79

Q1 2015

Shares 12,000 Value ($000) $88 Avg Close $7.57 Range $6.50 - $8.58

Q4 2014

Shares 12,000 Value ($000) $96 Avg Close $8.49 Range $6.46 - $10.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	540,323	$1,529	$5.16	$2.79 - $9.35
Q3 2025	572,588	$3,985	$7.05	$5.75 - $9.78
Q2 2025	545,843	$3,231	$5.75	$4.16 - $6.92
Q1 2025	487,731	$3,117	$9.64	$6.23 - $14.30
Q4 2024	549,709	$6,531	$17.05	$11.59 - $27.25
Q3 2024	509,430	$14,106	$25.02	$16.78 - $33.15
Q2 2024	167,177	$3,987	$23.47	$14.52 - $31.74
Q1 2024	143,351	$2,523	$14.74	$10.75 - $19.10
Q4 2023	146,742	$2,316	$10.33	$6.62 - $17.32
Q3 2023	149,158	$1,283	$7.10	$5.33 - $8.90
Q2 2023	144,904	$1,143	$6.96	$5.41 - $8.70
Q1 2023	136,834	$1,019	$9.94	$6.37 - $13.50
Q4 2022	93,546	$1,103	$11.43	$8.90 - $14.44
Q3 2022	79,090	$730	$12.11	$9.20 - $15.11
Q2 2022	71,608	$708	$20.18	$7.93 - $35.54
Q1 2022	58,592	$2,021	$32.45	$25.00 - $52.00
Q4 2021	57,622	$2,869	$52.70	$43.28 - $65.99
Q3 2021	56,326	$2,592	$39.64	$30.43 - $47.29
Q2 2021	57,797	$1,730	$20.41	$16.33 - $31.00
Q1 2021	54,232	$1,104	$21.09	$15.21 - $26.98
Q4 2020	77,805	$1,299	$13.15	$10.17 - $18.22
Q3 2020	71,127	$779	$7.91	$5.78 - $11.28
Q2 2020	50,327	$332	$6.42	$5.19 - $8.65
Q2 2019	14,261	$102	$4.54	$2.42 - $7.15
Q1 2019	14,261	$37	$2.97	$2.13 - $3.79
Q1 2015	12,000	$88	$7.57	$6.50 - $8.58
Q4 2014	12,000	$96	$8.49	$6.46 - $10.50