Aspen Aerogels, Inc. (ASPN) Stock Price History
Historical prices from 2014 to 2026
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ASPN Historical Performance
Short-Term Returns
ASPN Stock Price Trajectory (2014–2026)
As of May 8, 2026, Aspen Aerogels, Inc. (ASPN) trades at $5.10, representing a -10.4% return over the past year. The stock has delivered a -73.5% total return over five years (-23.3% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $65.99 on November 22, 2021. From this peak, ASPN has corrected -92.3%, currently trading 4% above its 200-day moving average, indicating continued institutional support.
When compared to Industrials sector peers KALU (+164.8% 1Y), UFPI (-13.5% 1Y), and MTRN (+163.1% 1Y), ASPN has underperformed the peer group average. Compare ASPN vs KALU →
ASPN Historical Price Data (2025–2026)
Showing 30 of 2,994 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 4.67 | 5.55 | 4.61 | 5.10 | 5.39M | +23.79% |
| 2026-05-06 | 4.15 | 4.19 | 4.02 | 4.12 | 1.82M | -0.48% |
| 2026-05-05 | 3.92 | 4.14 | 3.87 | 4.14 | 431K | +6.70% |
| 2026-05-04 | 4.25 | 4.25 | 3.83 | 3.88 | 1.01M | -9.13% |
| 2026-05-01 | 3.82 | 4.27 | 3.75 | 4.27 | 2.21M | +15.09% |
| 2026-04-30 | 3.57 | 3.73 | 3.56 | 3.71 | 2.03M | +2.77% |
| 2026-04-29 | 3.60 | 3.63 | 3.51 | 3.61 | 773K | 0.00% |
| 2026-04-28 | 3.57 | 3.63 | 3.50 | 3.61 | 1.32M | -0.82% |
| 2026-04-27 | 3.52 | 3.67 | 3.46 | 3.64 | 1.30M | +4.00% |
| 2026-04-24 | 3.33 | 3.53 | 3.29 | 3.50 | 1.47M | +4.17% |
| 2026-04-23 | 3.26 | 3.40 | 3.22 | 3.36 | 2.15M | +3.38% |
| 2026-04-22 | 3.56 | 3.64 | 3.15 | 3.25 | 2.86M | -8.45% |
| 2026-04-21 | 3.58 | 3.70 | 3.47 | 3.55 | 1.03M | -0.28% |
| 2026-04-20 | 3.45 | 3.60 | 3.38 | 3.56 | 1.14M | +2.30% |
| 2026-04-17 | 3.54 | 3.73 | 3.42 | 3.48 | 1.67M | -1.14% |
| 2026-04-16 | 3.38 | 3.52 | 3.26 | 3.52 | 1.20M | +5.71% |
| 2026-04-15 | 3.30 | 3.48 | 3.30 | 3.33 | 1.48M | +0.60% |
| 2026-04-14 | 3.58 | 3.59 | 3.22 | 3.31 | 1.36M | -6.23% |
| 2026-04-13 | 3.31 | 3.67 | 3.25 | 3.53 | 1.28M | +5.69% |
| 2026-04-10 | 3.77 | 3.98 | 3.32 | 3.34 | 2.05M | -10.70% |
| 2026-04-09 | 3.67 | 3.79 | 3.48 | 3.74 | 1.79M | +0.81% |
| 2026-04-08 | 3.86 | 3.90 | 3.65 | 3.71 | 757K | +0.54% |
| 2026-04-07 | 3.72 | 3.80 | 3.54 | 3.69 | 963K | -2.38% |
| 2026-04-06 | 3.69 | 3.97 | 3.68 | 3.78 | 984K | +2.44% |
| 2026-04-02 | 3.36 | 3.73 | 3.32 | 3.69 | 1.27M | +6.34% |
| 2026-04-01 | 3.49 | 3.58 | 3.46 | 3.47 | 1.15M | +1.46% |
| 2026-03-31 | 3.28 | 3.45 | 3.23 | 3.42 | 1.03M | +7.89% |
| 2026-03-30 | 3.29 | 3.37 | 3.10 | 3.17 | 2.08M | -3.94% |
| 2026-03-27 | 3.42 | 3.44 | 3.24 | 3.30 | 763K | -3.51% |
| 2026-03-26 | 3.41 | 3.54 | 3.38 | 3.42 | 785K | -0.58% |
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Start ComparisonASPN — Frequently Asked Questions
Quick answers to the most common questions about buying ASPN stock.
How has ASPN stock performed recently?
ASPN declined -10.4% over the past year, below its 5-year annualized CAGR of -23.3%. The stock trades above its 200-day moving average, reflecting the downtrend.
What is ASPN's all-time high price?
Aspen Aerogels, Inc. reached $65.99 on 2021-11-22. The 52-week high is $9.78. Current 1-year return of -10.4% places the stock further from historical peaks.
Where can I download ASPN historical price data?
This page provides ASPN daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2014-2026, downloadable in CSV format.