Aspen Aerogels Stock Price History
NYSE: ASPNBasic MaterialsSpecialty ChemicalsUSD
5.65+0.02 (+0.36%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
ASPN price history at a glance
The price history for Aspen Aerogels (ASPN) on this page begins on June 9, 2014, when the stock closed at $10.75; it most recently closed at $5.65 on October 5, 2026. The highest price in this record is $65.99, reached on November 22, 2021; the latest close is 91.4% below that peak. Across the 11 complete calendar years in the table, ASPN finished higher in 5 and lower in 6. Its best year was 2019 (+212.4%) and its worst was 2025 (-77.8%).
Over roughly 12 years the share price changed -47.4%, a -5.1% compound annual price return (excluding dividends). In the last 12 months alone, ASPN has lost 29.1%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2014
- $65.99
- Date of high
- Nov 22, 2021
- Low since 2014
- $1.60
- Date of low
- Dec 24, 2018
- 52-week high
- $9.35
- 52-week low
- $2.30
- IPO year
- 2014
- Last close
- $5.65
ASPN returns
1 week
-0.70%
1 month
+16.74%
3 months
+9.50%
6 months
+69.16%
Year to date
+99.65%
1 year
-29.11%
3 years
-32.09%
5 years
-88.59%
ASPN price return, excluding dividends.
ASPN annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 5.65 | +95.50% |
| 2025 | 2.89 | -77.80% |
| 2024 | 13.02 | -17.49% |
| 2023 | 15.78 | +33.84% |
| 2022 | 11.79 | -76.32% |
| 2021 | 49.79 | +198.32% |
| 2020 | 16.69 | +121.65% |
| 2019 | 7.53 | +212.45% |
| 2018 | 2.41 | -50.61% |
| 2017 | 4.88 | +18.16% |
| 2016 | 4.13 | -31.96% |
| 2015 | 6.07 | -26.87% |
| 2014* | 8.30 | -22.79% |
* Partial year: the record begins after the start of 2014; return measured from the first available close.
2026 return is year to date.
ASPN daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 5.65 | 5.70 | 5.53 | 5.65 | +0.36% | |
| 5.70 | 5.68 | 5.47 | 5.63 | -2.60% | |
| 5.53 | 5.80 | 5.56 | 5.78 | -1.53% | |
| 5.76 | 5.93 | 5.69 | 5.87 | +3.16% | |
| 5.74 | 5.79 | 5.60 | 5.69 | 0.00% | |
| 5.67 | 5.82 | 5.65 | 5.69 | +2.34% | |
| 5.60 | 5.65 | 5.30 | 5.56 | +1.46% | |
| 5.24 | 5.51 | 5.18 | 5.48 | +4.98% | |
| 5.27 | 5.34 | 5.07 | 5.22 | +0.97% | |
| 5.18 | 5.35 | 5.06 | 5.17 | -0.96% | |
| 5.25 | 5.31 | 5.02 | 5.22 | -1.51% | |
| 5.50 | 5.64 | 5.20 | 5.30 | -6.69% | |
| 5.45 | 5.73 | 5.42 | 5.68 | +3.65% | |
| 5.22 | 5.59 | 5.17 | 5.48 | +5.59% | |
| 5.16 | 5.21 | 5.06 | 5.19 | +2.37% | |
| 5.18 | 5.18 | 4.89 | 5.07 | -1.17% | |
| 5.05 | 5.26 | 5.05 | 5.13 | +4.06% | |
| 4.90 | 5.09 | 4.88 | 4.93 | +1.44% | |
| 4.86 | 4.94 | 4.78 | 4.86 | -0.21% | |
| 4.80 | 4.94 | 4.78 | 4.87 | -0.81% | |
| 4.82 | 4.99 | 4.75 | 4.91 | +3.15% | |
| 4.78 | 4.89 | 4.71 | 4.76 | -1.65% | |
| 4.87 | 4.95 | 4.81 | 4.84 | -1.43% | |
| 4.92 | 5.08 | 4.89 | 4.91 | -0.20% | |
| 4.76 | 4.92 | 4.76 | 4.92 | +2.93% | |
| 4.92 | 4.97 | 4.77 | 4.78 | -2.85% | |
| 4.81 | 4.94 | 4.80 | 4.92 | +1.65% | |
| 4.81 | 4.88 | 4.71 | 4.84 | -1.83% | |
| 4.96 | 5.01 | 4.82 | 4.93 | 0.00% | |
| 5.25 | 5.30 | 4.90 | 4.93 | -5.74% | |
| 5.30 | 5.40 | 5.20 | 5.23 | +0.77% | |
| 5.20 | 5.32 | 5.18 | 5.19 | -0.76% | |
| 5.10 | 5.38 | 5.07 | 5.23 | +4.39% | |
| 5.15 | 5.15 | 4.96 | 5.01 | -3.28% | |
| 5.16 | 5.26 | 5.10 | 5.18 | +1.37% | |
| 5.40 | 5.45 | 5.07 | 5.11 | -6.24% | |
| 5.59 | 5.68 | 5.44 | 5.45 | -2.33% | |
| 5.69 | 5.71 | 5.46 | 5.58 | -4.12% | |
| 5.80 | 5.90 | 5.73 | 5.82 | -0.51% | |
| 5.98 | 6.04 | 5.81 | 5.85 | -3.62% | |
| 6.07 | 6.19 | 5.97 | 6.07 | -1.30% | |
| 6.30 | 6.33 | 6.04 | 6.15 | +0.16% | |
| 6.39 | 6.42 | 6.02 | 6.14 | -2.38% | |
| 6.31 | 6.84 | 6.27 | 6.29 | +0.64% | |
| 7.04 | 7.13 | 5.67 | 6.25 | -9.29% | |
| 7.30 | 8.10 | 6.41 | 6.89 | +37.52% | |
| 5.06 | 5.16 | 4.92 | 5.01 | -0.99% | |
| 4.78 | 5.08 | 4.78 | 5.06 | +6.98% | |
| 4.59 | 4.83 | 4.49 | 4.73 | +2.16% | |
| 4.61 | 4.71 | 4.45 | 4.63 | +2.66% | |
| 4.25 | 4.57 | 4.24 | 4.51 | +10.27% | |
| 4.37 | 4.43 | 4.07 | 4.09 | -6.83% | |
| 4.65 | 4.65 | 4.34 | 4.39 | -5.59% | |
| 4.74 | 4.86 | 4.58 | 4.65 | -0.43% | |
| 5.15 | 5.15 | 4.60 | 4.67 | -9.50% | |
| 5.20 | 5.30 | 5.03 | 5.16 | -2.82% | |
| 5.35 | 5.47 | 5.29 | 5.31 | -2.21% | |
| 5.16 | 5.45 | 5.08 | 5.43 | +7.95% | |
| 5.10 | 5.21 | 5.01 | 5.03 | -1.95% | |
| 4.96 | 5.25 | 4.88 | 5.13 | +1.58% | |
| 5.24 | 5.44 | 4.98 | 5.05 | -4.72% | |
| 5.34 | 5.48 | 5.13 | 5.30 | +0.57% | |
| 5.27 | 5.39 | 5.21 | 5.27 | +1.74% | |
| 5.16 | 5.23 | 5.07 | 5.18 | +0.39% | |
| 5.25 | 5.25 | 5.13 | 5.16 | -1.53% | |
| 5.27 | 5.34 | 5.19 | 5.24 | +0.96% | |
| 5.04 | 5.21 | 5.04 | 5.19 | +0.97% | |
| 5.35 | 5.35 | 5.04 | 5.14 | -6.03% | |
| 5.62 | 5.79 | 5.44 | 5.47 | -1.97% | |
| 5.91 | 6.11 | 5.51 | 5.58 | -5.90% | |
| 6.39 | 6.39 | 5.89 | 5.93 | -6.47% | |
| 6.00 | 6.43 | 5.99 | 6.34 | +6.02% | |
| 5.64 | 5.98 | 5.46 | 5.98 | +6.22% | |
| 5.50 | 5.64 | 5.34 | 5.63 | -0.88% | |
| 5.83 | 5.85 | 5.57 | 5.68 | -0.87% | |
| 5.92 | 5.92 | 5.55 | 5.73 | -2.88% | |
| 6.17 | 6.43 | 5.89 | 5.90 | -7.38% | |
| 6.31 | 6.52 | 6.09 | 6.37 | +0.79% | |
| 6.18 | 6.40 | 5.99 | 6.32 | +4.46% | |
| 5.80 | 6.36 | 5.73 | 6.05 | +3.95% | |
| 5.93 | 6.14 | 5.79 | 5.82 | -3.64% | |
| 6.14 | 6.21 | 5.96 | 6.04 | +2.03% | |
| 5.69 | 6.01 | 5.67 | 5.92 | +3.50% | |
| 5.54 | 5.73 | 5.41 | 5.72 | +5.15% | |
| 5.46 | 5.69 | 5.43 | 5.44 | -1.45% | |
| 5.72 | 5.79 | 5.16 | 5.52 | -2.13% | |
| 5.80 | 5.85 | 5.63 | 5.64 | 0.00% | |
| 6.16 | 6.17 | 5.54 | 5.64 | -9.47% | |
| 5.83 | 6.24 | 5.71 | 6.23 | +5.59% | |
| 6.23 | 6.29 | 5.78 | 5.90 | -5.14% | |
| 6.18 | 6.30 | 6.01 | 6.22 | 0.00% | |
| 6.36 | 6.45 | 6.21 | 6.22 | -2.81% | |
| 6.35 | 6.41 | 6.10 | 6.40 | +0.47% | |
| 6.31 | 6.70 | 6.30 | 6.37 | +0.16% | |
| 6.00 | 6.43 | 5.96 | 6.36 | +6.53% | |
| 5.90 | 6.03 | 5.76 | 5.97 | +3.11% | |
| 5.56 | 5.90 | 5.55 | 5.79 | +5.85% | |
| 5.06 | 5.53 | 5.04 | 5.47 | +7.25% | |
| 5.03 | 5.19 | 4.93 | 5.10 | +0.79% | |
| 5.19 | 5.25 | 4.90 | 5.06 | -5.07% | |
| 5.60 | 5.63 | 5.31 | 5.33 | -4.82% | |
| 5.64 | 5.78 | 5.50 | 5.60 | -3.78% | |
| 5.32 | 6.06 | 5.25 | 5.82 | +7.78% | |
| 5.15 | 5.58 | 5.03 | 5.40 | +6.72% | |
| 5.08 | 5.38 | 5.03 | 5.06 | -1.17% | |
| 5.00 | 5.55 | 4.97 | 5.12 | +1.59% | |
| 5.21 | 5.63 | 5.04 | 5.04 | -1.56% | |
| 4.67 | 5.55 | 4.61 | 5.12 | +24.27% | |
| 4.15 | 4.19 | 4.02 | 4.12 | -0.48% | |
| 3.92 | 4.14 | 3.87 | 4.14 | +6.70% | |
| 4.25 | 4.25 | 3.83 | 3.88 | -9.13% | |
| 3.75 | 4.27 | 3.75 | 4.27 | +15.09% | |
| 3.57 | 3.73 | 3.56 | 3.71 | +2.77% | |
| 3.60 | 3.64 | 3.51 | 3.61 | 0.00% | |
| 3.59 | 3.64 | 3.51 | 3.61 | -0.82% | |
| 3.48 | 3.67 | 3.46 | 3.64 | +4.00% | |
| 3.33 | 3.53 | 3.29 | 3.50 | +4.17% | |
| 3.26 | 3.40 | 3.22 | 3.36 | +3.38% | |
| 3.56 | 3.64 | 3.16 | 3.25 | -8.45% | |
| 3.58 | 3.70 | 3.47 | 3.55 | -0.28% | |
| 3.45 | 3.60 | 3.38 | 3.56 | +2.30% | |
| 3.54 | 3.73 | 3.42 | 3.48 | -1.14% | |
| 3.38 | 3.53 | 3.26 | 3.52 | +5.71% | |
| 3.30 | 3.49 | 3.30 | 3.33 | +0.60% | |
| 3.58 | 3.59 | 3.22 | 3.31 | -6.23% | |
| 3.31 | 3.68 | 3.25 | 3.53 | +5.69% | |
| 3.80 | 3.98 | 3.32 | 3.34 | -10.70% | |
| 3.67 | 3.79 | 3.47 | 3.74 | +0.81% | |
| 3.89 | 3.90 | 3.65 | 3.71 | +0.54% | |
| 3.72 | 3.80 | 3.55 | 3.69 | -2.38% | |
| 3.68 | 3.97 | 3.68 | 3.78 | +2.44% | |
| 3.36 | 3.73 | 3.32 | 3.69 | +6.34% | |
| 3.47 | 3.58 | 3.46 | 3.47 | +1.46% | |
| 3.25 | 3.45 | 3.23 | 3.42 | +7.89% | |
| 3.33 | 3.37 | 3.11 | 3.17 | -3.94% | |
| 3.37 | 3.44 | 3.24 | 3.30 | -3.51% | |
| 3.41 | 3.54 | 3.39 | 3.42 | -0.58% | |
| 3.29 | 3.45 | 3.25 | 3.44 | +6.17% | |
| 3.18 | 3.30 | 3.18 | 3.24 | -0.61% | |
| 3.15 | 3.29 | 3.12 | 3.26 | +6.54% | |
| 3.19 | 3.20 | 3.03 | 3.06 | -5.26% | |
| 3.16 | 3.29 | 3.09 | 3.23 | 0.00% | |
| 3.24 | 3.39 | 3.22 | 3.23 | -1.82% | |
| 3.38 | 3.50 | 3.28 | 3.29 | -2.95% | |
| 3.74 | 3.78 | 3.28 | 3.39 | -7.12% | |
| 3.63 | 3.75 | 3.60 | 3.65 | +1.67% | |
| 3.24 | 3.65 | 3.24 | 3.59 | +10.12% | |
| 3.20 | 3.31 | 3.19 | 3.26 | +0.31% | |
| 3.16 | 3.36 | 3.16 | 3.25 | +1.25% | |
| 3.18 | 3.26 | 3.06 | 3.21 | -0.31% | |
| 3.19 | 3.34 | 3.19 | 3.22 | -1.53% | |
| 3.22 | 3.34 | 3.22 | 3.27 | -2.39% | |
| 3.38 | 3.43 | 3.27 | 3.35 | +0.30% | |
| 3.20 | 3.47 | 3.17 | 3.34 | +1.83% | |
| 3.02 | 3.47 | 3.02 | 3.28 | +5.13% | |
| 3.04 | 3.21 | 2.88 | 3.12 | -0.64% | |
| 2.61 | 3.17 | 2.61 | 3.14 | +22.18% | |
| 2.58 | 2.86 | 2.30 | 2.57 | -27.81% | |
| 3.56 | 3.63 | 3.47 | 3.56 | +0.56% | |
| 3.54 | 3.69 | 3.49 | 3.54 | -1.94% | |
| 3.56 | 3.74 | 3.56 | 3.61 | -0.28% | |
| 3.45 | 3.66 | 3.40 | 3.62 | +3.72% | |
| 3.55 | 3.64 | 3.42 | 3.49 | -1.97% | |
| 3.51 | 3.64 | 3.50 | 3.56 | +0.85% | |
| 3.35 | 3.64 | 3.32 | 3.53 | +6.01% | |
| 3.51 | 3.56 | 3.30 | 3.33 | -5.13% | |
| 3.51 | 3.59 | 3.45 | 3.51 | +0.86% | |
| 3.50 | 3.60 | 3.46 | 3.48 | +0.29% | |
| 3.45 | 3.53 | 3.39 | 3.47 | +1.17% | |
| 3.14 | 3.49 | 3.13 | 3.43 | +11.36% | |
| 3.18 | 3.21 | 2.98 | 3.08 | -6.38% | |
| 3.40 | 3.40 | 3.15 | 3.29 | -1.79% | |
| 3.32 | 3.44 | 3.19 | 3.35 | +3.08% | |
| 3.33 | 3.41 | 3.23 | 3.25 | -3.56% | |
| 3.51 | 3.58 | 3.37 | 3.37 | -6.65% | |
| 3.46 | 3.62 | 3.35 | 3.61 | +5.25% | |
| 3.59 | 3.64 | 3.34 | 3.43 | -3.11% | |
| 3.57 | 3.60 | 3.50 | 3.54 | -0.84% | |
| 3.79 | 3.79 | 3.56 | 3.57 | -6.54% | |
| 3.90 | 3.91 | 3.75 | 3.82 | -2.05% | |
| 3.66 | 3.94 | 3.64 | 3.90 | +8.94% | |
| 3.57 | 3.67 | 3.49 | 3.58 | +1.70% | |
| 3.37 | 3.68 | 3.37 | 3.52 | +1.44% | |
| 3.47 | 3.55 | 3.42 | 3.47 | +0.58% | |
| 3.48 | 3.56 | 3.40 | 3.45 | -0.29% | |
| 3.44 | 3.53 | 3.39 | 3.46 | 0.00% | |
| 3.40 | 3.54 | 3.28 | 3.46 | +2.98% | |
| 3.32 | 3.46 | 3.28 | 3.36 | +1.82% | |
| 3.31 | 3.36 | 3.19 | 3.30 | +0.30% | |
| 3.21 | 3.36 | 3.20 | 3.29 | +1.54% | |
| 3.32 | 3.34 | 3.17 | 3.24 | -2.70% | |
| 3.24 | 3.42 | 3.24 | 3.33 | +2.78% | |
| 2.92 | 3.25 | 2.92 | 3.24 | +12.11% | |
| 2.86 | 2.97 | 2.80 | 2.89 | +2.12% | |
| 2.92 | 3.00 | 2.80 | 2.83 | -4.07% | |
| 2.95 | 3.05 | 2.91 | 2.95 | -0.67% | |
| 2.89 | 3.01 | 2.88 | 2.97 | +1.02% | |
| 2.95 | 2.99 | 2.88 | 2.94 | -1.01% | |
| 2.94 | 3.00 | 2.92 | 2.97 | +0.68% | |
| 2.94 | 3.00 | 2.92 | 2.95 | +1.37% | |
| 2.99 | 3.08 | 2.88 | 2.91 | -1.69% | |
| 2.91 | 2.98 | 2.86 | 2.96 | +2.07% | |
| 3.00 | 3.09 | 2.87 | 2.90 | -1.36% | |
| 3.10 | 3.15 | 2.93 | 2.94 | -4.55% | |
| 3.10 | 3.17 | 3.02 | 3.08 | -0.96% | |
| 3.25 | 3.25 | 3.10 | 3.11 | -3.42% | |
| 3.40 | 3.41 | 3.20 | 3.22 | -4.45% | |
| 3.28 | 3.37 | 3.24 | 3.37 | +2.12% | |
| 3.26 | 3.35 | 3.20 | 3.30 | 0.00% | |
| 3.21 | 3.33 | 3.21 | 3.30 | +0.30% | |
| 3.57 | 3.57 | 3.27 | 3.29 | -7.06% | |
| 3.59 | 3.65 | 3.52 | 3.54 | -2.48% | |
| 3.50 | 3.73 | 3.42 | 3.63 | +4.31% | |
| 3.45 | 3.48 | 3.40 | 3.48 | +1.75% | |
| 3.40 | 3.52 | 3.35 | 3.42 | +1.79% | |
| 3.16 | 3.55 | 3.13 | 3.36 | +4.35% | |
| 3.18 | 3.27 | 3.14 | 3.22 | +1.90% | |
| 3.21 | 3.26 | 3.12 | 3.16 | -1.56% | |
| 3.13 | 3.22 | 3.09 | 3.21 | +2.56% | |
| 3.06 | 3.13 | 3.01 | 3.13 | +0.97% | |
| 2.94 | 3.15 | 2.92 | 3.10 | +5.80% | |
| 3.12 | 3.20 | 2.93 | 2.93 | -4.87% | |
| 3.15 | 3.16 | 3.01 | 3.08 | -1.28% | |
| 3.04 | 3.19 | 2.98 | 3.12 | +1.96% | |
| 3.05 | 3.24 | 3.02 | 3.06 | -0.65% | |
| 3.02 | 3.16 | 3.01 | 3.08 | -4.35% | |
| 3.33 | 3.42 | 3.15 | 3.22 | -6.12% | |
| 3.63 | 3.69 | 3.41 | 3.43 | -5.25% | |
| 3.66 | 3.68 | 3.47 | 3.62 | -1.36% | |
| 4.00 | 4.02 | 3.66 | 3.67 | -4.92% | |
| 3.86 | 4.01 | 3.70 | 3.86 | -6.08% | |
| 5.07 | 5.45 | 4.09 | 4.11 | -44.53% | |
| 7.19 | 7.46 | 7.15 | 7.41 | +3.06% | |
| 7.45 | 7.58 | 7.15 | 7.19 | -7.23% | |
| 8.16 | 8.24 | 7.69 | 7.75 | -4.79% | |
| 8.00 | 8.56 | 7.81 | 8.14 | +8.10% | |
| 7.74 | 7.79 | 7.52 | 7.53 | -4.68% | |
| 8.00 | 8.10 | 7.72 | 7.90 | -1.13% | |
| 8.08 | 8.18 | 7.93 | 7.99 | -1.72% | |
| 8.58 | 8.64 | 7.97 | 8.13 | -4.35% | |
| 8.39 | 8.57 | 8.25 | 8.50 | +4.29% | |
| 7.91 | 8.15 | 7.86 | 8.15 | +4.35% | |
| 7.85 | 8.05 | 7.62 | 7.81 | -1.39% | |
| 8.33 | 8.33 | 7.88 | 7.92 | -4.69% | |
| 8.14 | 8.41 | 8.06 | 8.31 | +4.66% | |
| 8.15 | 8.17 | 7.82 | 7.94 | -4.45% | |
| 9.15 | 9.35 | 8.26 | 8.31 | -5.78% | |
| 8.48 | 9.01 | 8.32 | 8.82 | +9.02% | |
| 8.05 | 8.33 | 7.78 | 8.09 | -4.37% | |
| 8.13 | 8.74 | 8.13 | 8.46 | +6.15% | |
| 8.05 | 8.44 | 7.84 | 7.97 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ASPN chart for longer ranges.