Altimmune, Inc. (ALT)
NASDAQ: ALT · Real-Time Price · USD
4.790
+0.240 (5.27%)
At close: Apr 21, 2025, 4:00 PM
4.860
+0.070 (1.46%)
Pre-market: Apr 22, 2025, 7:04 AM EDT
Altimmune Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 21, 2025 | 4.43 | 4.89 | 4.37 | 4.79 | 4.79 | 5.27% | 2,221,181 |
| Apr 17, 2025 | 4.41 | 4.62 | 4.37 | 4.55 | 4.55 | 3.41% | 2,101,826 |
| Apr 16, 2025 | 4.46 | 4.51 | 4.32 | 4.40 | 4.40 | -2.87% | 1,056,944 |
| Apr 15, 2025 | 4.58 | 4.71 | 4.43 | 4.53 | 4.53 | -2.16% | 1,285,340 |
| Apr 14, 2025 | 4.70 | 4.75 | 4.43 | 4.63 | 4.63 | 4.99% | 2,290,854 |
| Apr 11, 2025 | 4.17 | 4.41 | 4.12 | 4.41 | 4.41 | 6.01% | 1,422,128 |
| Apr 10, 2025 | 4.21 | 4.28 | 3.93 | 4.16 | 4.16 | -1.65% | 2,120,934 |
| Apr 9, 2025 | 3.60 | 4.47 | 3.60 | 4.23 | 4.23 | 15.26% | 4,002,966 |
| Apr 8, 2025 | 4.12 | 4.21 | 3.55 | 3.67 | 3.67 | -7.79% | 2,775,387 |
| Apr 7, 2025 | 4.00 | 4.22 | 3.75 | 3.98 | 3.98 | -6.13% | 3,564,936 |
| Apr 4, 2025 | 4.30 | 4.44 | 4.13 | 4.24 | 4.24 | -4.93% | 2,987,712 |
| Apr 3, 2025 | 4.48 | 4.73 | 4.43 | 4.46 | 4.46 | -6.69% | 2,014,963 |
| Apr 2, 2025 | 4.67 | 4.96 | 4.65 | 4.78 | 4.78 | 0.74% | 2,842,816 |
| Apr 1, 2025 | 4.95 | 5.13 | 4.70 | 4.75 | 4.75 | -5.10% | 2,394,966 |
| Mar 31, 2025 | 5.07 | 5.12 | 4.78 | 5.00 | 5.00 | -6.02% | 3,598,863 |
| Mar 28, 2025 | 5.57 | 5.57 | 5.30 | 5.32 | 5.32 | -4.49% | 1,339,598 |
| Mar 27, 2025 | 5.58 | 5.63 | 5.45 | 5.57 | 5.57 | -0.36% | 1,624,675 |
| Mar 26, 2025 | 5.86 | 5.92 | 5.56 | 5.59 | 5.59 | -5.09% | 1,431,795 |
| Mar 25, 2025 | 6.01 | 6.04 | 5.84 | 5.89 | 5.89 | -2.64% | 1,589,704 |
| Mar 24, 2025 | 5.84 | 6.16 | 5.82 | 6.05 | 6.05 | 4.13% | 2,299,661 |
| Mar 21, 2025 | 5.65 | 5.87 | 5.60 | 5.81 | 5.81 | 0.52% | 2,037,626 |
| Mar 20, 2025 | 5.74 | 5.87 | 5.64 | 5.78 | 5.78 | -0.52% | 1,706,647 |
| Mar 19, 2025 | 5.60 | 5.88 | 5.55 | 5.81 | 5.81 | 3.57% | 1,743,836 |
| Mar 18, 2025 | 5.87 | 5.89 | 5.48 | 5.61 | 5.61 | -6.03% | 2,530,000 |
| Mar 17, 2025 | 5.92 | 6.01 | 5.45 | 5.97 | 5.97 | 0.84% | 5,879,994 |
| Mar 14, 2025 | 5.39 | 6.05 | 5.36 | 5.92 | 5.92 | 13.85% | 12,203,885 |
| Mar 13, 2025 | 5.46 | 5.62 | 5.14 | 5.20 | 5.20 | -6.31% | 2,931,735 |
| Mar 12, 2025 | 5.41 | 5.61 | 5.39 | 5.55 | 5.55 | 5.51% | 3,033,642 |
| Mar 11, 2025 | 5.38 | 5.45 | 5.15 | 5.26 | 5.26 | -3.57% | 3,241,047 |
| Mar 10, 2025 | 5.49 | 5.57 | 5.23 | 5.46 | 5.46 | -2.06% | 2,257,309 |
| Mar 7, 2025 | 5.53 | 5.64 | 5.46 | 5.57 | 5.57 | -0.36% | 2,392,363 |
| Mar 6, 2025 | 5.58 | 5.66 | 5.41 | 5.59 | 5.59 | -2.27% | 2,997,278 |
| Mar 5, 2025 | 5.94 | 6.09 | 5.71 | 5.72 | 5.72 | -4.03% | 3,508,405 |
| Mar 4, 2025 | 5.82 | 6.07 | 5.50 | 5.96 | 5.96 | -0.50% | 2,811,737 |
| Mar 3, 2025 | 6.71 | 6.71 | 5.93 | 5.99 | 5.99 | -9.92% | 2,646,507 |
| Feb 28, 2025 | 6.25 | 6.68 | 6.20 | 6.65 | 6.65 | 3.58% | 3,370,902 |
| Feb 27, 2025 | 6.01 | 6.78 | 5.96 | 6.42 | 6.42 | 8.08% | 4,447,497 |
| Feb 26, 2025 | 5.92 | 6.09 | 5.89 | 5.94 | 5.94 | 0.51% | 1,935,610 |
| Feb 25, 2025 | 6.20 | 6.23 | 5.80 | 5.91 | 5.91 | -3.27% | 2,369,897 |
| Feb 24, 2025 | 6.40 | 6.46 | 6.03 | 6.11 | 6.11 | -4.98% | 2,025,392 |
| Feb 21, 2025 | 6.72 | 6.77 | 6.33 | 6.43 | 6.43 | -3.02% | 1,639,061 |
| Feb 20, 2025 | 6.80 | 6.84 | 6.51 | 6.63 | 6.63 | -2.21% | 1,694,536 |
| Feb 19, 2025 | 6.45 | 7.10 | 6.41 | 6.78 | 6.78 | 4.63% | 3,628,331 |
| Feb 18, 2025 | 6.45 | 6.69 | 6.37 | 6.48 | 6.48 | 1.73% | 2,524,958 |
| Feb 14, 2025 | 6.22 | 6.53 | 6.17 | 6.37 | 6.37 | 2.25% | 2,431,086 |
| Feb 13, 2025 | 6.25 | 6.33 | 6.07 | 6.23 | 6.23 | 0.16% | 2,066,597 |
| Feb 12, 2025 | 6.22 | 6.29 | 6.06 | 6.22 | 6.22 | -1.11% | 2,011,044 |
| Feb 11, 2025 | 6.52 | 6.52 | 6.16 | 6.29 | 6.29 | -4.84% | 2,581,008 |
| Feb 10, 2025 | 6.70 | 6.76 | 6.48 | 6.61 | 6.61 | -0.75% | 1,565,723 |
| Feb 7, 2025 | 6.87 | 7.05 | 6.64 | 6.66 | 6.66 | -3.62% | 1,443,648 |