Altimmune Inc. (ALT)
NASDAQ: ALT
· Real-Time Price · USD
3.64
-0.05 (-1.36%)
At close: Sep 12, 2025, 3:59 PM
3.65
0.27%
After-hours: Sep 12, 2025, 07:55 PM EDT
ALT Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 12, 2025 | 3.69 | 3.73 | 3.63 | 3.64 | 3.64 | -1.36% | 1,754,875 |
| 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 |
| Sep 4, 2025 | 3.65 | 3.65 | 3.54 | 3.56 | 3.56 | -3.26% | 1,733,200 |
| Sep 3, 2025 | 3.73 | 3.84 | 3.66 | 3.68 | 3.68 | -1.87% | 1,599,800 |
| Sep 2, 2025 | 3.81 | 3.83 | 3.57 | 3.75 | 3.75 | -2.09% | 2,601,500 |
| Aug 29, 2025 | 3.72 | 3.86 | 3.66 | 3.83 | 3.83 | 3.23% | 2,752,229 |
| Aug 28, 2025 | 3.79 | 3.84 | 3.63 | 3.71 | 3.71 | 1.09% | 4,097,036 |
| Aug 27, 2025 | 3.47 | 3.70 | 3.43 | 3.67 | 3.67 | 6.69% | 5,196,706 |
| Aug 26, 2025 | 3.38 | 3.46 | 3.35 | 3.44 | 3.44 | 1.47% | 1,728,238 |
| Aug 25, 2025 | 3.53 | 3.55 | 3.37 | 3.39 | 3.39 | -4.24% | 2,624,000 |
| Aug 22, 2025 | 3.51 | 3.66 | 3.51 | 3.54 | 3.54 | 0.28% | 2,836,100 |
| Aug 21, 2025 | 3.59 | 3.61 | 3.52 | 3.53 | 3.53 | -2.75% | 1,918,509 |
| Aug 20, 2025 | 3.58 | 3.65 | 3.53 | 3.63 | 3.63 | 0.28% | 2,242,546 |
| Aug 19, 2025 | 3.70 | 3.78 | 3.53 | 3.62 | 3.62 | 1.69% | 5,046,100 |
| Aug 18, 2025 | 3.59 | 3.63 | 3.51 | 3.56 | 3.56 | -1.93% | 2,915,300 |
| Aug 15, 2025 | 3.68 | 3.74 | 3.62 | 3.63 | 3.63 | -1.36% | 3,043,400 |