Altimmune, Inc. (ALT)
NASDAQ: ALT · Real-Time Price · USD
2.985
-0.035 (-1.16%)
May 14, 2026, 11:17 AM EDT - Market open
Altimmune Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 14, 2026 | 3.01 | 3.03 | 2.90 | 2.97 | - | -1.82% | 543,711 |
| May 13, 2026 | 2.98 | 3.04 | 2.89 | 3.02 | 3.02 | -1.95% | 3,573,384 |
| May 12, 2026 | 3.08 | 3.11 | 3.01 | 3.08 | 3.08 | -0.32% | 2,394,310 |
| May 11, 2026 | 3.09 | 3.22 | 3.06 | 3.09 | 3.09 | - | 2,932,289 |
| May 8, 2026 | 3.07 | 3.11 | 3.01 | 3.09 | 3.09 | 1.64% | 2,843,290 |
| May 7, 2026 | 3.22 | 3.24 | 3.00 | 3.04 | 3.04 | -6.75% | 3,701,109 |
| May 6, 2026 | 3.06 | 3.26 | 3.04 | 3.26 | 3.26 | 6.54% | 4,068,109 |
| May 5, 2026 | 3.08 | 3.15 | 3.00 | 3.06 | 3.06 | 1.32% | 3,453,060 |
| May 4, 2026 | 2.84 | 3.04 | 2.84 | 3.02 | 3.02 | 7.09% | 5,157,346 |
| May 1, 2026 | 2.59 | 2.82 | 2.56 | 2.82 | 2.82 | 8.46% | 4,849,355 |
| Apr 30, 2026 | 2.66 | 2.68 | 2.58 | 2.60 | 2.60 | -1.14% | 5,636,169 |
| Apr 29, 2026 | 2.71 | 2.73 | 2.60 | 2.63 | 2.63 | -4.01% | 4,877,329 |
| Apr 28, 2026 | 2.78 | 2.85 | 2.72 | 2.74 | 2.74 | -2.14% | 4,870,640 |
| Apr 27, 2026 | 2.86 | 2.91 | 2.75 | 2.80 | 2.80 | -1.75% | 5,894,919 |
| Apr 24, 2026 | 2.95 | 3.01 | 2.82 | 2.85 | 2.85 | -1.38% | 14,733,746 |
| Apr 23, 2026 | 3.08 | 3.16 | 2.80 | 2.89 | 2.89 | -16.71% | 30,489,038 |
| Apr 22, 2026 | 3.45 | 3.51 | 3.42 | 3.47 | 3.47 | 1.76% | 2,948,086 |
| Apr 21, 2026 | 3.56 | 3.64 | 3.39 | 3.41 | 3.41 | -4.21% | 3,251,026 |
| Apr 20, 2026 | 3.45 | 3.58 | 3.39 | 3.56 | 3.56 | 1.71% | 2,161,883 |
| Apr 17, 2026 | 3.55 | 3.60 | 3.42 | 3.50 | 3.50 | -0.28% | 2,868,797 |
| Apr 16, 2026 | 3.40 | 3.55 | 3.35 | 3.51 | 3.51 | 3.24% | 2,580,475 |
| Apr 15, 2026 | 3.33 | 3.42 | 3.29 | 3.40 | 3.40 | 3.34% | 2,080,063 |
| Apr 14, 2026 | 3.25 | 3.32 | 3.23 | 3.29 | 3.29 | 1.86% | 1,990,993 |
| Apr 13, 2026 | 3.23 | 3.28 | 3.18 | 3.23 | 3.23 | -0.31% | 2,122,551 |
| Apr 10, 2026 | 3.39 | 3.41 | 3.22 | 3.24 | 3.24 | -4.14% | 1,936,610 |
| Apr 9, 2026 | 3.35 | 3.44 | 3.31 | 3.38 | 3.38 | 0.30% | 1,989,237 |
| Apr 8, 2026 | 3.48 | 3.54 | 3.36 | 3.37 | 3.37 | -0.30% | 1,695,749 |
| Apr 7, 2026 | 3.34 | 3.45 | 3.26 | 3.38 | 3.38 | 1.50% | 2,039,568 |
| Apr 6, 2026 | 3.34 | 3.48 | 3.30 | 3.33 | 3.33 | -0.30% | 2,360,635 |
| Apr 2, 2026 | 3.10 | 3.35 | 3.07 | 3.34 | 3.34 | 7.05% | 2,737,035 |
| Apr 1, 2026 | 3.14 | 3.23 | 3.10 | 3.12 | 3.12 | 1.30% | 2,111,656 |
| Mar 31, 2026 | 2.98 | 3.12 | 2.95 | 3.08 | 3.08 | 6.94% | 3,290,532 |
| Mar 30, 2026 | 3.03 | 3.03 | 2.87 | 2.88 | 2.88 | -4.64% | 3,116,331 |
| Mar 27, 2026 | 3.16 | 3.19 | 3.02 | 3.02 | 3.02 | -5.63% | 2,674,890 |
| Mar 26, 2026 | 3.26 | 3.33 | 3.19 | 3.20 | 3.20 | -3.32% | 2,194,819 |
| Mar 25, 2026 | 3.30 | 3.39 | 3.24 | 3.31 | 3.31 | 2.16% | 4,369,468 |
| Mar 24, 2026 | 3.37 | 3.41 | 3.23 | 3.24 | 3.24 | -5.81% | 3,345,417 |
| Mar 23, 2026 | 3.40 | 3.53 | 3.31 | 3.44 | 3.44 | 2.99% | 3,449,313 |
| Mar 20, 2026 | 3.43 | 3.52 | 3.31 | 3.34 | 3.34 | -2.34% | 12,523,672 |
| Mar 19, 2026 | 3.38 | 3.51 | 3.34 | 3.42 | 3.42 | - | 2,686,763 |
| Mar 18, 2026 | 3.50 | 3.52 | 3.36 | 3.42 | 3.42 | -3.12% | 3,477,122 |
| Mar 17, 2026 | 3.63 | 3.71 | 3.52 | 3.53 | 3.53 | -2.49% | 2,531,622 |
| Mar 16, 2026 | 3.60 | 3.68 | 3.54 | 3.62 | 3.62 | 3.43% | 2,650,194 |
| Mar 13, 2026 | 3.62 | 3.68 | 3.47 | 3.50 | 3.50 | -2.78% | 3,119,120 |
| Mar 12, 2026 | 3.77 | 3.77 | 3.58 | 3.60 | 3.60 | -5.26% | 2,959,387 |
| Mar 11, 2026 | 3.89 | 3.91 | 3.74 | 3.80 | 3.80 | -1.55% | 2,890,344 |
| Mar 10, 2026 | 3.90 | 4.04 | 3.83 | 3.86 | 3.86 | -0.52% | 3,565,682 |
| Mar 9, 2026 | 3.64 | 3.89 | 3.61 | 3.88 | 3.88 | 9.60% | 5,337,005 |
| Mar 6, 2026 | 3.54 | 3.75 | 3.42 | 3.54 | 3.54 | 1.00% | 5,385,353 |
| Mar 5, 2026 | 4.10 | 4.20 | 3.50 | 3.51 | 3.51 | -17.92% | 7,709,994 |