Aspen Aerogels - 12 Year Stock Price History | ASPN

Historical daily share price chart and data for Aspen Aerogels since 2014 adjusted for splits and dividends. The latest closing stock price for Aspen Aerogels as of September 15, 2026 is 4.86.
  • The all-time high Aspen Aerogels stock closing price was 63.66 on November 18, 2021.
  • The Aspen Aerogels 52-week high stock price is 9.35, which is 92.4% above the current share price.
  • The Aspen Aerogels 52-week low stock price is 2.30, which is 52.7% below the current share price.
  • The average Aspen Aerogels stock price for the last 52 weeks is 4.74.
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Aspen Aerogels Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 4.4657 2.8900 6.8900 2.5700 4.8600 71.73%
2025 6.8655 12.1700 13.9000 2.8300 2.8300 -76.18%
2024 20.1188 15.3300 31.7200 10.9100 11.8800 -24.71%
2023 8.5834 10.1000 17.1900 5.5100 15.7800 33.84%
2022 18.9565 50.6900 50.6900 8.4300 11.7900 -76.32%
2021 33.6581 15.7900 63.6600 15.7900 49.7900 198.32%
2020 8.9140 7.7000 17.7100 4.9400 16.6900 115.08%
2019 5.2235 2.2200 8.3900 2.2200 7.7600 264.32%
2018 4.4314 4.9800 5.4000 1.6100 2.1300 -56.35%
2017 4.3780 4.2500 5.0700 3.8899 4.8800 18.16%
2016 4.7077 6.0500 6.5500 3.5500 4.1300 -31.96%
2015 7.1505 8.3000 8.9300 5.3400 6.0700 -23.93%
Sector Industry Market Cap Revenue
Construction Building & Construction Products - Misc. $0.404B $0.271B
Aspen Aerogels, Inc. is an energy technology company that designs, develops and manufactures aerogel insulation used primarily in large-scale energy infrastructure facilities. The Company offers insulation for high temperature steam pipes, vessels, and equipment. Aspen serves petrochemical, refinery, industrial, and power generation sectors. It manufactures Cryogel (R), Pyrogel (R) and Spaceloft (R) products. Aspen Aerogels, Inc. is headquartered in Northborough, Massachusetts.
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