Aspen Aerogels, Inc. (ASPN)
NYSE: ASPN · Real-Time Price · USD
3.610
-0.030 (-0.82%)
At close: Apr 28, 2026, 4:00 PM EDT
3.620
+0.010 (0.28%)
After-hours: Apr 28, 2026, 7:14 PM EDT
Aspen Aerogels Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 3.59 | 3.64 | 3.51 | 3.61 | 3.61 | -0.82% | 1,324,200 |
| Apr 27, 2026 | 3.48 | 3.67 | 3.46 | 3.64 | 3.64 | 4.00% | 1,449,048 |
| Apr 24, 2026 | 3.33 | 3.53 | 3.29 | 3.50 | 3.50 | 4.17% | 1,475,813 |
| Apr 23, 2026 | 3.26 | 3.40 | 3.22 | 3.36 | 3.36 | 3.38% | 2,148,287 |
| Apr 22, 2026 | 3.56 | 3.64 | 3.16 | 3.25 | 3.25 | -8.45% | 2,857,624 |
| Apr 21, 2026 | 3.58 | 3.70 | 3.47 | 3.55 | 3.55 | -0.28% | 1,040,626 |
| Apr 20, 2026 | 3.45 | 3.60 | 3.38 | 3.56 | 3.56 | 2.30% | 1,157,722 |
| Apr 17, 2026 | 3.54 | 3.73 | 3.42 | 3.48 | 3.48 | -1.14% | 1,675,410 |
| Apr 16, 2026 | 3.38 | 3.53 | 3.26 | 3.52 | 3.52 | 5.71% | 1,197,703 |
| Apr 15, 2026 | 3.30 | 3.49 | 3.30 | 3.33 | 3.33 | 0.60% | 1,480,300 |
| Apr 14, 2026 | 3.58 | 3.59 | 3.22 | 3.31 | 3.31 | -6.23% | 1,371,558 |
| Apr 13, 2026 | 3.31 | 3.68 | 3.25 | 3.53 | 3.53 | 5.69% | 1,384,532 |
| Apr 10, 2026 | 3.80 | 3.98 | 3.32 | 3.34 | 3.34 | -10.70% | 2,045,285 |
| Apr 9, 2026 | 3.67 | 3.79 | 3.47 | 3.74 | 3.74 | 0.81% | 1,800,390 |
| Apr 8, 2026 | 3.89 | 3.90 | 3.65 | 3.71 | 3.71 | 0.54% | 757,213 |
| Apr 7, 2026 | 3.72 | 3.80 | 3.55 | 3.69 | 3.69 | -2.38% | 968,761 |
| Apr 6, 2026 | 3.68 | 3.97 | 3.68 | 3.78 | 3.78 | 2.44% | 991,979 |
| Apr 2, 2026 | 3.36 | 3.73 | 3.32 | 3.69 | 3.69 | 6.34% | 1,369,965 |
| Apr 1, 2026 | 3.47 | 3.58 | 3.46 | 3.47 | 3.47 | 1.46% | 1,155,128 |
| Mar 31, 2026 | 3.25 | 3.45 | 3.23 | 3.42 | 3.42 | 7.89% | 1,087,542 |
| Mar 30, 2026 | 3.33 | 3.37 | 3.11 | 3.17 | 3.17 | -3.94% | 2,129,192 |
| Mar 27, 2026 | 3.37 | 3.44 | 3.24 | 3.30 | 3.30 | -3.51% | 772,963 |
| Mar 26, 2026 | 3.41 | 3.54 | 3.39 | 3.42 | 3.42 | -0.58% | 797,646 |
| Mar 25, 2026 | 3.29 | 3.45 | 3.25 | 3.44 | 3.44 | 6.17% | 809,966 |
| Mar 24, 2026 | 3.18 | 3.30 | 3.18 | 3.24 | 3.24 | -0.61% | 829,138 |
| Mar 23, 2026 | 3.15 | 3.29 | 3.12 | 3.26 | 3.26 | 6.54% | 948,091 |
| Mar 20, 2026 | 3.19 | 3.20 | 3.03 | 3.06 | 3.06 | -5.26% | 1,948,027 |
| Mar 19, 2026 | 3.16 | 3.29 | 3.09 | 3.23 | 3.23 | - | 1,175,485 |
| Mar 18, 2026 | 3.24 | 3.39 | 3.22 | 3.23 | 3.23 | -1.82% | 1,125,872 |
| Mar 17, 2026 | 3.38 | 3.50 | 3.28 | 3.29 | 3.29 | -2.95% | 1,154,220 |
| Mar 16, 2026 | 3.74 | 3.78 | 3.28 | 3.39 | 3.39 | -7.12% | 1,109,312 |
| Mar 13, 2026 | 3.63 | 3.75 | 3.60 | 3.65 | 3.65 | 1.67% | 1,509,949 |
| Mar 12, 2026 | 3.24 | 3.65 | 3.24 | 3.59 | 3.59 | 10.12% | 1,887,726 |
| Mar 11, 2026 | 3.20 | 3.31 | 3.19 | 3.26 | 3.26 | 0.31% | 1,319,967 |
| Mar 10, 2026 | 3.16 | 3.36 | 3.16 | 3.25 | 3.25 | 1.25% | 1,484,503 |
| Mar 9, 2026 | 3.18 | 3.26 | 3.06 | 3.21 | 3.21 | -0.31% | 1,319,158 |
| Mar 6, 2026 | 3.19 | 3.34 | 3.19 | 3.22 | 3.22 | -1.53% | 1,386,157 |
| Mar 5, 2026 | 3.22 | 3.34 | 3.22 | 3.27 | 3.27 | -2.39% | 1,741,979 |
| Mar 4, 2026 | 3.38 | 3.43 | 3.27 | 3.35 | 3.35 | 0.30% | 1,280,085 |
| Mar 3, 2026 | 3.20 | 3.47 | 3.17 | 3.34 | 3.34 | 1.83% | 1,939,776 |
| Mar 2, 2026 | 3.02 | 3.47 | 3.02 | 3.28 | 3.28 | 5.13% | 1,879,598 |
| Feb 27, 2026 | 3.04 | 3.21 | 2.88 | 3.12 | 3.12 | -0.64% | 2,366,890 |
| Feb 26, 2026 | 2.61 | 3.17 | 2.61 | 3.14 | 3.14 | 22.18% | 2,758,285 |
| Feb 25, 2026 | 2.58 | 2.86 | 2.30 | 2.57 | 2.57 | -27.81% | 7,627,232 |
| Feb 24, 2026 | 3.56 | 3.63 | 3.47 | 3.56 | 3.56 | 0.56% | 1,317,256 |
| Feb 23, 2026 | 3.54 | 3.69 | 3.49 | 3.54 | 3.54 | -1.94% | 1,060,563 |
| Feb 20, 2026 | 3.56 | 3.74 | 3.56 | 3.61 | 3.61 | -0.28% | 1,495,605 |
| Feb 19, 2026 | 3.45 | 3.66 | 3.40 | 3.62 | 3.62 | 3.72% | 1,241,284 |
| Feb 18, 2026 | 3.55 | 3.64 | 3.42 | 3.49 | 3.49 | -1.97% | 1,188,304 |
| Feb 17, 2026 | 3.51 | 3.64 | 3.50 | 3.56 | 3.56 | 0.85% | 1,428,593 |
| Feb 13, 2026 | 3.35 | 3.64 | 3.32 | 3.53 | 3.53 | 6.01% | 1,371,003 |
| Feb 12, 2026 | 3.51 | 3.56 | 3.30 | 3.33 | 3.33 | -5.13% | 1,006,100 |
| Feb 11, 2026 | 3.51 | 3.59 | 3.45 | 3.51 | 3.51 | 0.86% | 919,676 |
| Feb 10, 2026 | 3.50 | 3.60 | 3.46 | 3.48 | 3.48 | 0.29% | 954,141 |
| Feb 9, 2026 | 3.45 | 3.53 | 3.39 | 3.47 | 3.47 | 1.17% | 1,115,094 |
| Feb 6, 2026 | 3.14 | 3.49 | 3.13 | 3.43 | 3.43 | 11.36% | 1,262,322 |
| Feb 5, 2026 | 3.18 | 3.21 | 2.98 | 3.08 | 3.08 | -6.38% | 1,522,253 |
| Feb 4, 2026 | 3.40 | 3.40 | 3.15 | 3.29 | 3.29 | -1.79% | 822,014 |
| Feb 3, 2026 | 3.32 | 3.44 | 3.19 | 3.35 | 3.35 | 3.08% | 1,517,125 |
| Feb 2, 2026 | 3.33 | 3.41 | 3.23 | 3.25 | 3.25 | -3.56% | 1,130,041 |
| Jan 30, 2026 | 3.51 | 3.58 | 3.37 | 3.37 | 3.37 | -6.65% | 1,023,220 |
| Jan 29, 2026 | 3.46 | 3.62 | 3.35 | 3.61 | 3.61 | 5.25% | 1,820,151 |
| Jan 28, 2026 | 3.59 | 3.64 | 3.34 | 3.43 | 3.43 | -3.11% | 2,467,080 |
| Jan 27, 2026 | 3.57 | 3.60 | 3.50 | 3.54 | 3.54 | -0.84% | 833,430 |
| Jan 26, 2026 | 3.79 | 3.79 | 3.56 | 3.57 | 3.57 | -6.54% | 1,057,311 |
| Jan 23, 2026 | 3.90 | 3.91 | 3.75 | 3.82 | 3.82 | -2.05% | 1,313,275 |
| Jan 22, 2026 | 3.66 | 3.94 | 3.64 | 3.90 | 3.90 | 8.94% | 2,113,484 |
| Jan 21, 2026 | 3.57 | 3.67 | 3.49 | 3.58 | 3.58 | 1.70% | 1,418,244 |
| Jan 20, 2026 | 3.37 | 3.68 | 3.37 | 3.52 | 3.52 | 1.44% | 1,534,364 |
| Jan 16, 2026 | 3.47 | 3.55 | 3.42 | 3.47 | 3.47 | 0.58% | 1,806,937 |
| Jan 15, 2026 | 3.48 | 3.56 | 3.40 | 3.45 | 3.45 | -0.29% | 1,202,578 |
| Jan 14, 2026 | 3.44 | 3.53 | 3.39 | 3.46 | 3.46 | - | 1,204,404 |
| Jan 13, 2026 | 3.40 | 3.54 | 3.28 | 3.46 | 3.46 | 2.98% | 1,323,270 |
| Jan 12, 2026 | 3.32 | 3.46 | 3.28 | 3.36 | 3.36 | 1.82% | 1,177,623 |
| Jan 9, 2026 | 3.31 | 3.36 | 3.19 | 3.30 | 3.30 | 0.30% | 1,025,193 |
| Jan 8, 2026 | 3.21 | 3.36 | 3.20 | 3.29 | 3.29 | 1.54% | 890,845 |
| Jan 7, 2026 | 3.32 | 3.34 | 3.17 | 3.24 | 3.24 | -2.70% | 1,572,228 |
| Jan 6, 2026 | 3.24 | 3.42 | 3.24 | 3.33 | 3.33 | 2.78% | 2,234,681 |
| Jan 5, 2026 | 2.92 | 3.25 | 2.92 | 3.24 | 3.24 | 12.11% | 2,809,199 |
| Jan 2, 2026 | 2.86 | 2.97 | 2.80 | 2.89 | 2.89 | 2.12% | 2,191,011 |
| Dec 31, 2025 | 2.92 | 3.00 | 2.80 | 2.83 | 2.83 | -4.07% | 2,767,704 |
| Dec 30, 2025 | 2.95 | 3.05 | 2.91 | 2.95 | 2.95 | -0.67% | 7,000,196 |
| Dec 29, 2025 | 2.89 | 3.01 | 2.88 | 2.97 | 2.97 | 1.02% | 2,231,355 |
| Dec 26, 2025 | 2.95 | 2.99 | 2.88 | 2.94 | 2.94 | -1.01% | 1,222,462 |
| Dec 24, 2025 | 2.94 | 3.00 | 2.92 | 2.97 | 2.97 | 0.68% | 689,927 |
| Dec 23, 2025 | 2.94 | 3.00 | 2.92 | 2.95 | 2.95 | 1.37% | 1,828,384 |
| Dec 22, 2025 | 2.99 | 3.08 | 2.88 | 2.91 | 2.91 | -1.69% | 1,350,974 |
| Dec 19, 2025 | 2.91 | 2.98 | 2.86 | 2.96 | 2.96 | 2.07% | 2,468,973 |
| Dec 18, 2025 | 3.00 | 3.09 | 2.87 | 2.90 | 2.90 | -1.36% | 1,468,706 |
| Dec 17, 2025 | 3.10 | 3.15 | 2.93 | 2.94 | 2.94 | -4.55% | 1,754,775 |
| Dec 16, 2025 | 3.10 | 3.17 | 3.02 | 3.08 | 3.08 | -0.96% | 1,564,572 |
| Dec 15, 2025 | 3.25 | 3.25 | 3.10 | 3.11 | 3.11 | -3.42% | 1,306,628 |
| Dec 12, 2025 | 3.40 | 3.41 | 3.20 | 3.22 | 3.22 | -4.45% | 1,047,447 |
| Dec 11, 2025 | 3.28 | 3.37 | 3.24 | 3.37 | 3.37 | 2.12% | 1,183,374 |
| Dec 10, 2025 | 3.26 | 3.35 | 3.20 | 3.30 | 3.30 | - | 1,584,939 |
| Dec 9, 2025 | 3.21 | 3.33 | 3.21 | 3.30 | 3.30 | 0.30% | 1,514,317 |
| Dec 8, 2025 | 3.57 | 3.57 | 3.27 | 3.29 | 3.29 | -7.06% | 1,708,510 |
| Dec 5, 2025 | 3.59 | 3.65 | 3.52 | 3.54 | 3.54 | -2.48% | 1,886,160 |
| Dec 4, 2025 | 3.50 | 3.73 | 3.42 | 3.63 | 3.63 | 4.31% | 2,560,967 |
| Dec 3, 2025 | 3.45 | 3.48 | 3.40 | 3.48 | 3.48 | 1.75% | 1,529,670 |