Altimmune, Inc. (ALT)
NASDAQ: ALT · Real-Time Price · USD
4.120
+0.040 (0.98%)
Jul 21, 2025, 2:06 PM - Market open
Altimmune Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jul 21, 2025 | 4.13 | 4.26 | 4.05 | 4.11 | - | 0.74% | 1,458,948 |
| Jul 18, 2025 | 4.14 | 4.25 | 4.05 | 4.08 | 4.08 | 0.74% | 3,496,406 |
| Jul 17, 2025 | 4.17 | 4.20 | 3.93 | 4.05 | 4.05 | -3.11% | 4,986,991 |
| Jul 16, 2025 | 4.20 | 4.28 | 4.15 | 4.18 | 4.18 | - | 2,666,565 |
| Jul 15, 2025 | 4.29 | 4.29 | 4.13 | 4.18 | 4.18 | -1.88% | 2,838,958 |
| Jul 14, 2025 | 4.10 | 4.29 | 4.07 | 4.26 | 4.26 | 2.90% | 2,759,610 |
| Jul 11, 2025 | 4.32 | 4.35 | 4.10 | 4.14 | 4.14 | -5.91% | 4,159,229 |
| Jul 10, 2025 | 4.00 | 4.50 | 3.92 | 4.40 | 4.40 | -7.17% | 9,363,153 |
| Jul 9, 2025 | 4.59 | 4.79 | 4.58 | 4.74 | 4.74 | 3.49% | 3,881,030 |
| Jul 8, 2025 | 4.51 | 4.64 | 4.47 | 4.58 | 4.58 | 3.39% | 3,681,017 |
| Jul 7, 2025 | 4.68 | 4.71 | 4.33 | 4.43 | 4.43 | -6.93% | 6,127,439 |
| Jul 3, 2025 | 4.99 | 5.03 | 4.64 | 4.76 | 4.76 | -2.86% | 6,331,621 |
| Jul 2, 2025 | 4.27 | 5.00 | 4.27 | 4.90 | 4.90 | 15.84% | 14,705,162 |
| Jul 1, 2025 | 3.84 | 4.23 | 3.77 | 4.23 | 4.23 | 9.30% | 11,555,330 |
| Jun 30, 2025 | 3.42 | 4.04 | 3.30 | 3.87 | 3.87 | 10.57% | 19,100,530 |
| Jun 27, 2025 | 3.64 | 3.77 | 3.38 | 3.50 | 3.50 | -3.05% | 20,035,686 |
| Jun 26, 2025 | 2.98 | 3.83 | 2.90 | 3.61 | 3.61 | -53.18% | 86,115,534 |
| Jun 25, 2025 | 7.24 | 7.73 | 6.89 | 7.71 | 7.71 | 7.23% | 5,498,072 |
| Jun 24, 2025 | 7.14 | 7.29 | 6.94 | 7.19 | 7.19 | 2.86% | 4,276,212 |
| Jun 23, 2025 | 6.88 | 7.12 | 6.71 | 6.99 | 6.99 | -0.57% | 5,564,353 |
| Jun 20, 2025 | 6.85 | 7.52 | 6.64 | 7.03 | 7.03 | 3.69% | 7,871,809 |
| Jun 18, 2025 | 6.88 | 7.20 | 6.61 | 6.78 | 6.78 | -1.60% | 5,719,572 |
| Jun 17, 2025 | 6.85 | 6.97 | 6.65 | 6.89 | 6.89 | 0.29% | 4,107,501 |
| Jun 16, 2025 | 7.09 | 7.37 | 6.79 | 6.87 | 6.87 | -0.72% | 4,153,061 |
| Jun 13, 2025 | 6.94 | 7.41 | 6.75 | 6.92 | 6.92 | -3.22% | 4,336,494 |
| Jun 12, 2025 | 6.50 | 7.48 | 6.38 | 7.15 | 7.15 | 9.33% | 6,645,814 |
| Jun 11, 2025 | 6.79 | 7.08 | 6.52 | 6.54 | 6.54 | -2.97% | 3,852,624 |
| Jun 10, 2025 | 6.07 | 6.97 | 6.05 | 6.74 | 6.74 | 13.28% | 7,966,504 |
| Jun 9, 2025 | 5.75 | 5.96 | 5.57 | 5.95 | 5.95 | 5.87% | 2,766,169 |
| Jun 6, 2025 | 5.48 | 5.81 | 5.47 | 5.62 | 5.62 | 2.93% | 3,875,228 |
| Jun 5, 2025 | 5.50 | 5.66 | 5.38 | 5.46 | 5.46 | -0.55% | 2,309,612 |
| Jun 4, 2025 | 5.39 | 5.57 | 5.34 | 5.49 | 5.49 | 1.29% | 4,201,575 |
| 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 |