Altimmune Inc. (ALT)
NASDAQ: ALT
· Real-Time Price · USD
3.91
-0.02 (-0.51%)
At close: Oct 03, 2025, 3:59 PM
3.90
-0.26%
After-hours: Oct 03, 2025, 04:45 PM EDT
ALT Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 2, 2025 | 3.88 | 3.95 | 3.83 | 3.93 | 3.93 | 1.55% | 2,088,874 |
| Oct 1, 2025 | 3.76 | 4.05 | 3.75 | 3.87 | 3.87 | 2.65% | 3,045,300 |
| Sep 30, 2025 | 3.77 | 3.80 | 3.68 | 3.77 | 3.77 | -0.53% | 2,667,118 |
| Sep 29, 2025 | 4.01 | 4.02 | 3.75 | 3.79 | 3.79 | -5.25% | 3,181,032 |
| Sep 26, 2025 | 3.92 | 4.00 | 3.79 | 4.00 | 4.00 | 2.04% | 2,499,805 |
| Sep 25, 2025 | 3.91 | 4.14 | 3.83 | 3.92 | 3.92 | 0.00% | 3,222,500 |
| Sep 24, 2025 | 3.80 | 3.96 | 3.80 | 3.92 | 3.92 | 3.43% | 1,956,100 |
| Sep 23, 2025 | 3.96 | 3.97 | 3.78 | 3.79 | 3.79 | -4.29% | 1,795,203 |
| Sep 22, 2025 | 3.78 | 4.06 | 3.69 | 3.96 | 3.96 | 4.76% | 3,106,031 |
| Sep 19, 2025 | 3.89 | 3.93 | 3.77 | 3.78 | 3.78 | -2.33% | 4,438,129 |
| Sep 18, 2025 | 3.70 | 4.19 | 3.67 | 3.87 | 3.87 | 8.40% | 6,514,900 |
| Sep 17, 2025 | 3.63 | 3.68 | 3.55 | 3.57 | 3.57 | -1.65% | 1,991,500 |
| Sep 16, 2025 | 3.58 | 3.72 | 3.56 | 3.63 | 3.63 | 1.11% | 1,919,300 |
| Sep 15, 2025 | 3.63 | 3.68 | 3.54 | 3.59 | 3.59 | -1.37% | 2,061,831 |
| Sep 12, 2025 | 3.69 | 3.73 | 3.63 | 3.64 | 3.64 | -1.36% | 1,764,600 |
| Sep 11, 2025 | 3.67 | 3.74 | 3.65 | 3.69 | 3.69 | 0.54% | 2,068,500 |
| Sep 10, 2025 | 3.78 | 3.78 | 3.60 | 3.67 | 3.67 | -2.91% | 1,673,017 |
| Sep 9, 2025 | 3.68 | 3.79 | 3.65 | 3.78 | 3.78 | 1.89% | 1,552,626 |
| Sep 8, 2025 | 3.78 | 3.82 | 3.70 | 3.71 | 3.71 | -1.85% | 1,513,800 |
| Sep 5, 2025 | 3.59 | 3.79 | 3.55 | 3.78 | 3.78 | 6.18% | 2,657,523 |
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