Altimmune, Inc. (ALT)
NASDAQ: ALT · Real-Time Price · USD
5.49
+0.07 (1.29%)
At close: Jun 4, 2025, 4:00 PM
5.53
+0.04 (0.73%)
After-hours: Jun 4, 2025, 7:59 PM EDT
Altimmune Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 4, 2025 | 5.39 | 5.57 | 5.34 | 5.49 | 5.49 | 1.29% | 4,179,999 |
| Jun 3, 2025 | 5.37 | 5.53 | 5.29 | 5.42 | 5.42 | 2.26% | 2,502,769 |
| Jun 2, 2025 | 5.46 | 5.52 | 5.15 | 5.30 | 5.30 | -2.39% | 2,508,820 |
| May 30, 2025 | 5.50 | 5.59 | 5.35 | 5.43 | 5.43 | -3.21% | 3,980,867 |
| May 29, 2025 | 5.56 | 5.74 | 5.42 | 5.61 | 5.61 | 2.19% | 1,416,176 |
| May 28, 2025 | 5.52 | 5.56 | 5.38 | 5.49 | 5.49 | -0.36% | 1,424,792 |
| May 27, 2025 | 5.77 | 5.81 | 5.48 | 5.51 | 5.51 | -3.50% | 2,435,370 |
| May 23, 2025 | 5.63 | 5.79 | 5.62 | 5.71 | 5.71 | -1.04% | 1,652,579 |
| May 22, 2025 | 5.59 | 5.92 | 5.54 | 5.77 | 5.77 | 3.22% | 1,473,761 |
| May 21, 2025 | 5.73 | 5.95 | 5.54 | 5.59 | 5.59 | -4.44% | 2,179,614 |
| May 20, 2025 | 5.51 | 5.99 | 5.41 | 5.85 | 5.85 | 6.36% | 2,014,887 |
| May 19, 2025 | 5.46 | 5.55 | 5.34 | 5.50 | 5.50 | -1.43% | 1,502,978 |
| May 16, 2025 | 5.80 | 5.88 | 5.51 | 5.58 | 5.58 | -3.46% | 2,140,858 |
| May 15, 2025 | 5.75 | 5.85 | 5.60 | 5.78 | 5.78 | 1.40% | 1,726,473 |
| May 14, 2025 | 5.79 | 5.89 | 5.60 | 5.70 | 5.70 | -1.04% | 2,189,148 |
| May 13, 2025 | 6.07 | 6.13 | 5.49 | 5.76 | 5.76 | -4.16% | 4,603,974 |
| May 12, 2025 | 5.80 | 6.07 | 5.80 | 6.01 | 6.01 | 7.51% | 2,976,914 |
| May 9, 2025 | 5.88 | 6.05 | 5.52 | 5.59 | 5.59 | -3.62% | 2,850,813 |
| May 8, 2025 | 5.50 | 5.90 | 5.25 | 5.80 | 5.80 | 8.21% | 2,611,027 |
| May 7, 2025 | 5.18 | 5.36 | 5.07 | 5.36 | 5.36 | 6.56% | 2,044,220 |
| May 6, 2025 | 5.36 | 5.37 | 4.95 | 5.03 | 5.03 | -7.37% | 2,904,922 |
| May 5, 2025 | 5.68 | 5.76 | 5.39 | 5.43 | 5.43 | -5.89% | 2,169,765 |
| May 2, 2025 | 5.27 | 6.05 | 5.26 | 5.77 | 5.77 | 11.61% | 4,884,189 |
| May 1, 2025 | 5.25 | 5.37 | 5.08 | 5.17 | 5.17 | -1.52% | 2,094,707 |
| Apr 30, 2025 | 5.01 | 5.30 | 4.98 | 5.25 | 5.25 | 2.94% | 1,804,924 |
| Apr 29, 2025 | 5.05 | 5.21 | 4.95 | 5.10 | 5.10 | 0.79% | 1,613,191 |
| Apr 28, 2025 | 5.08 | 5.23 | 4.93 | 5.06 | 5.06 | -0.20% | 1,770,366 |
| Apr 25, 2025 | 5.12 | 5.21 | 5.01 | 5.07 | 5.07 | -1.93% | 1,025,164 |
| Apr 24, 2025 | 4.97 | 5.18 | 4.92 | 5.17 | 5.17 | 4.02% | 1,474,332 |
| Apr 23, 2025 | 5.00 | 5.23 | 4.95 | 4.97 | 4.97 | 2.47% | 1,723,683 |
| Apr 22, 2025 | 4.88 | 4.94 | 4.71 | 4.85 | 4.85 | 1.25% | 1,814,311 |
| 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 |