ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025
Shares 120,238 Value ($000) $340 Avg Close $5.16 Range $2.79 - $9.35
Q3 2025
Shares 256,790 Value ($000) $1,787 Avg Close $7.05 Range $5.75 - $9.78
Q2 2025
Shares 282,623 Value ($000) $1,673 Avg Close $5.75 Range $4.16 - $6.92
Q1 2025
Shares 213,269 Value ($000) $1,363 Avg Close $9.64 Range $6.23 - $14.30
Q4 2024
Shares 284,408 Value ($000) $3,379 Avg Close $17.05 Range $11.59 - $27.25
Q3 2024
Shares 233,391 Value ($000) $6,463 Avg Close $25.02 Range $16.78 - $33.15
Q2 2024
Shares 238,591 Value ($000) $5,690 Avg Close $23.47 Range $14.52 - $31.74
Q1 2024
Shares 218,323 Value ($000) $3,842 Avg Close $14.74 Range $10.75 - $19.10
Q4 2023
Shares 255,700 Value ($000) $4,035 Avg Close $10.33 Range $6.62 - $17.32
Q3 2023
Shares 95,366 Value ($000) $820 Avg Close $7.10 Range $5.33 - $8.90
Q2 2023
Shares 116,830 Value ($000) $922 Avg Close $6.96 Range $5.41 - $8.70
Q1 2023
Shares 109,334 Value ($000) $815 Avg Close $9.94 Range $6.37 - $13.50
Q4 2022
Shares 102,372 Value ($000) $1,207 Avg Close $11.43 Range $8.90 - $14.44
Q3 2022
Shares 90,952 Value ($000) $839 Avg Close $12.11 Range $9.20 - $15.11
Q2 2022
Shares 29,081 Value ($000) $287 Avg Close $20.18 Range $7.93 - $35.54
Q1 2022
Shares 21,900 Value ($000) $755 Avg Close $32.45 Range $25.00 - $52.00
Q4 2021
Shares 5,300 Value ($000) $264 Avg Close $52.70 Range $43.28 - $65.99
Q3 2021
Shares 7,600 Value ($000) $350 Avg Close $39.64 Range $30.43 - $47.29