Atossa Therapeutics, Inc. (ATOS)
NASDAQ: ATOS · Real-Time Price · USD
1.880
+0.110 (6.21%)
At close: Jun 26, 2026, 4:00 PM EDT
1.887
+0.007 (0.37%)
After-hours: Jun 26, 2026, 7:50 PM EDT
Atossa Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | 1.76 | 1.91 | 1.73 | 1.88 | 1.88 | 6.21% | 376,680 |
| Jun 25, 2026 | 1.77 | 1.78 | 1.70 | 1.77 | 1.77 | 1.14% | 143,238 |
| Jun 24, 2026 | 1.89 | 1.89 | 1.75 | 1.75 | 1.75 | -7.89% | 301,735 |
| Jun 23, 2026 | 1.82 | 1.96 | 1.78 | 1.90 | 1.90 | 3.83% | 534,686 |
| Jun 22, 2026 | 2.03 | 2.03 | 1.81 | 1.83 | 1.83 | -8.96% | 466,072 |
| Jun 18, 2026 | 2.01 | 2.03 | 1.95 | 2.01 | 2.01 | 1.26% | 191,880 |
| Jun 17, 2026 | 2.21 | 2.21 | 1.95 | 1.99 | 1.99 | -10.59% | 683,983 |
| Jun 16, 2026 | 2.36 | 2.38 | 2.16 | 2.22 | 2.22 | -5.53% | 309,549 |
| Jun 15, 2026 | 2.51 | 2.51 | 2.31 | 2.35 | 2.35 | -4.47% | 472,677 |
| Jun 12, 2026 | 2.57 | 2.70 | 2.45 | 2.46 | 2.46 | -4.84% | 638,935 |
| Jun 11, 2026 | 2.81 | 2.81 | 2.52 | 2.59 | 2.59 | -41.25% | 1,398,491 |
| Jun 10, 2026 | 4.39 | 4.59 | 4.36 | 4.40 | 4.40 | -0.23% | 29,872 |
| Jun 9, 2026 | 4.55 | 4.59 | 4.36 | 4.41 | 4.41 | -3.08% | 53,781 |
| Jun 8, 2026 | 4.56 | 4.56 | 4.35 | 4.55 | 4.55 | 1.79% | 35,993 |
| Jun 5, 2026 | 4.78 | 4.80 | 4.40 | 4.47 | 4.47 | -7.84% | 80,839 |
| Jun 4, 2026 | 4.67 | 4.87 | 4.65 | 4.85 | 4.85 | 3.19% | 46,767 |
| Jun 3, 2026 | 4.80 | 4.80 | 4.68 | 4.70 | 4.70 | -3.09% | 45,065 |
| Jun 2, 2026 | 5.06 | 5.15 | 4.80 | 4.85 | 4.85 | -5.09% | 76,765 |
| Jun 1, 2026 | 5.14 | 5.20 | 4.93 | 5.11 | 5.11 | -2.29% | 58,515 |
| May 29, 2026 | 5.21 | 5.30 | 5.00 | 5.23 | 5.23 | 0.77% | 42,865 |
| May 28, 2026 | 5.19 | 5.25 | 4.98 | 5.19 | 5.19 | 1.37% | 51,680 |
| May 27, 2026 | 4.95 | 5.18 | 4.86 | 5.12 | 5.12 | 3.43% | 39,639 |
| May 26, 2026 | 4.95 | 5.06 | 4.86 | 4.95 | 4.95 | -0.20% | 30,275 |
| May 22, 2026 | 4.93 | 5.10 | 4.84 | 4.96 | 4.96 | -0.20% | 26,902 |
| May 21, 2026 | 4.79 | 5.06 | 4.66 | 4.97 | 4.97 | 2.69% | 54,947 |
| May 20, 2026 | 4.71 | 4.96 | 4.66 | 4.84 | 4.84 | 2.00% | 38,113 |
| May 19, 2026 | 4.80 | 4.92 | 4.66 | 4.75 | 4.75 | -0.73% | 50,569 |
| May 18, 2026 | 4.85 | 4.95 | 4.70 | 4.78 | 4.78 | -1.44% | 42,712 |
| May 15, 2026 | 5.11 | 5.11 | 4.85 | 4.85 | 4.85 | -5.83% | 46,175 |
| May 14, 2026 | 5.16 | 5.16 | 4.96 | 5.15 | 5.15 | -0.19% | 29,915 |
| May 13, 2026 | 5.23 | 5.31 | 5.15 | 5.16 | 5.16 | - | 31,995 |
| May 12, 2026 | 5.43 | 5.43 | 5.08 | 5.16 | 5.16 | -6.18% | 60,136 |
| May 11, 2026 | 5.58 | 5.71 | 5.45 | 5.50 | 5.50 | -1.79% | 37,720 |
| May 8, 2026 | 5.42 | 5.65 | 5.42 | 5.60 | 5.60 | -1.23% | 31,401 |
| May 7, 2026 | 5.81 | 5.83 | 5.61 | 5.67 | 5.67 | -2.24% | 47,864 |
| May 6, 2026 | 5.53 | 5.89 | 5.49 | 5.80 | 5.80 | 3.94% | 60,166 |
| May 5, 2026 | 5.86 | 6.18 | 5.24 | 5.58 | 5.58 | -4.78% | 199,073 |
| May 4, 2026 | 5.33 | 5.97 | 5.33 | 5.86 | 5.86 | 9.94% | 98,641 |
| May 1, 2026 | 5.43 | 5.43 | 5.16 | 5.33 | 5.33 | -0.74% | 35,695 |
| Apr 30, 2026 | 5.28 | 5.46 | 5.19 | 5.37 | 5.37 | 1.70% | 24,715 |
| Apr 29, 2026 | 5.47 | 5.51 | 5.21 | 5.28 | 5.28 | -3.83% | 28,962 |
| Apr 28, 2026 | 5.49 | 5.74 | 5.32 | 5.49 | 5.49 | 0.73% | 29,616 |
| Apr 27, 2026 | 5.68 | 5.78 | 5.32 | 5.45 | 5.45 | -4.39% | 36,791 |
| Apr 24, 2026 | 5.73 | 5.80 | 5.54 | 5.70 | 5.70 | -0.52% | 42,677 |
| Apr 23, 2026 | 5.93 | 5.93 | 5.61 | 5.73 | 5.73 | -3.70% | 39,354 |
| Apr 22, 2026 | 5.87 | 6.02 | 5.75 | 5.95 | 5.95 | 3.12% | 40,243 |
| Apr 21, 2026 | 6.20 | 6.20 | 5.76 | 5.77 | 5.77 | -6.48% | 91,412 |
| Apr 20, 2026 | 5.83 | 6.28 | 5.80 | 6.17 | 6.17 | 5.83% | 127,941 |
| Apr 17, 2026 | 5.81 | 5.94 | 5.67 | 5.83 | 5.83 | 1.04% | 54,755 |
| Apr 16, 2026 | 5.64 | 5.78 | 5.52 | 5.77 | 5.77 | 0.52% | 34,062 |
| Apr 15, 2026 | 5.37 | 5.76 | 5.35 | 5.74 | 5.74 | 7.29% | 100,072 |
| Apr 14, 2026 | 5.30 | 5.44 | 5.23 | 5.35 | 5.35 | 0.75% | 35,516 |
| Apr 13, 2026 | 4.92 | 5.36 | 4.92 | 5.31 | 5.31 | 7.49% | 71,445 |
| Apr 10, 2026 | 4.99 | 4.99 | 4.81 | 4.94 | 4.94 | -0.80% | 30,144 |
| Apr 9, 2026 | 4.84 | 5.05 | 4.73 | 4.98 | 4.98 | 3.32% | 42,925 |
| Apr 8, 2026 | 5.08 | 5.14 | 4.73 | 4.82 | 4.82 | -1.23% | 76,981 |
| Apr 7, 2026 | 5.15 | 5.15 | 4.70 | 4.88 | 4.88 | -5.24% | 81,510 |
| Apr 6, 2026 | 5.41 | 5.41 | 5.10 | 5.15 | 5.15 | -4.01% | 54,707 |
| Apr 2, 2026 | 5.01 | 5.56 | 5.00 | 5.37 | 5.37 | 4.99% | 71,797 |
| Apr 1, 2026 | 5.27 | 5.36 | 5.03 | 5.11 | 5.11 | -2.85% | 63,323 |
| Mar 31, 2026 | 4.77 | 5.26 | 4.77 | 5.26 | 5.26 | 11.68% | 42,716 |
| Mar 30, 2026 | 4.79 | 4.87 | 4.59 | 4.71 | 4.71 | -0.21% | 39,160 |
| Mar 27, 2026 | 4.60 | 4.93 | 4.60 | 4.72 | 4.72 | 0.21% | 64,924 |
| Mar 26, 2026 | 5.19 | 5.47 | 4.64 | 4.71 | 4.71 | -13.10% | 124,096 |
| Mar 25, 2026 | 5.57 | 6.09 | 5.40 | 5.42 | 5.42 | -1.63% | 130,343 |
| Mar 24, 2026 | 5.61 | 5.69 | 5.39 | 5.51 | 5.51 | -1.78% | 41,253 |
| Mar 23, 2026 | 5.37 | 5.71 | 5.35 | 5.61 | 5.61 | 5.25% | 65,601 |
| Mar 20, 2026 | 5.17 | 5.98 | 5.12 | 5.33 | 5.33 | 3.90% | 159,493 |
| Mar 19, 2026 | 5.11 | 5.35 | 4.97 | 5.13 | 5.13 | 0.39% | 65,957 |
| Mar 18, 2026 | 5.50 | 5.53 | 5.10 | 5.11 | 5.11 | -6.92% | 47,225 |
| Mar 17, 2026 | 4.98 | 5.57 | 4.98 | 5.49 | 5.49 | 10.46% | 64,526 |
| Mar 16, 2026 | 5.06 | 5.18 | 4.90 | 4.97 | 4.97 | -0.80% | 38,959 |
| Mar 13, 2026 | 5.08 | 5.23 | 4.95 | 5.01 | 5.01 | -0.79% | 105,749 |
| Mar 12, 2026 | 4.73 | 5.38 | 4.71 | 5.05 | 5.05 | 5.65% | 146,890 |
| Mar 11, 2026 | 4.73 | 4.85 | 4.61 | 4.78 | 4.78 | - | 42,775 |
| Mar 10, 2026 | 4.58 | 4.87 | 4.56 | 4.78 | 4.78 | 4.60% | 125,425 |
| Mar 9, 2026 | 4.53 | 4.60 | 4.36 | 4.57 | 4.57 | 0.88% | 129,981 |
| Mar 6, 2026 | 4.56 | 4.67 | 4.44 | 4.53 | 4.53 | -3.21% | 46,266 |
| Mar 5, 2026 | 4.92 | 5.01 | 4.52 | 4.68 | 4.68 | -4.88% | 70,850 |
| Mar 4, 2026 | 4.79 | 5.12 | 4.71 | 4.92 | 4.92 | 4.24% | 136,510 |
| Mar 3, 2026 | 4.54 | 4.91 | 4.31 | 4.72 | 4.72 | 4.89% | 104,103 |
| Mar 2, 2026 | 4.35 | 4.55 | 4.23 | 4.50 | 4.50 | 1.58% | 88,389 |
| Feb 27, 2026 | 4.43 | 4.59 | 4.35 | 4.43 | 4.43 | -0.89% | 69,292 |
| Feb 26, 2026 | 4.36 | 4.60 | 4.30 | 4.47 | 4.47 | 4.68% | 90,814 |
| Feb 25, 2026 | 4.23 | 4.44 | 4.15 | 4.27 | 4.27 | 1.43% | 79,022 |
| Feb 24, 2026 | 4.01 | 4.27 | 4.00 | 4.21 | 4.21 | 6.31% | 96,340 |
| Feb 23, 2026 | 4.11 | 4.15 | 3.84 | 3.96 | 3.96 | -5.94% | 105,477 |
| Feb 20, 2026 | 4.38 | 4.48 | 4.15 | 4.21 | 4.21 | -4.75% | 43,948 |
| Feb 19, 2026 | 4.35 | 4.55 | 4.20 | 4.42 | 4.42 | 1.84% | 78,783 |
| Feb 18, 2026 | 4.06 | 4.59 | 4.06 | 4.34 | 4.34 | 4.58% | 85,710 |
| Feb 17, 2026 | 4.14 | 4.20 | 3.97 | 4.15 | 4.15 | -1.19% | 92,805 |
| Feb 13, 2026 | 3.92 | 4.44 | 3.91 | 4.20 | 4.20 | 6.60% | 94,578 |
| Feb 12, 2026 | 4.05 | 4.15 | 3.76 | 3.94 | 3.94 | -2.72% | 247,216 |
| Feb 11, 2026 | 4.76 | 4.77 | 4.03 | 4.05 | 4.05 | -15.98% | 348,441 |
| Feb 10, 2026 | 4.91 | 5.05 | 4.80 | 4.82 | 4.82 | -3.41% | 190,583 |
| Feb 9, 2026 | 5.32 | 5.33 | 4.78 | 4.99 | 4.99 | -6.55% | 325,429 |
| Feb 6, 2026 | 5.33 | 5.54 | 5.21 | 5.34 | 5.34 | 0.19% | 156,117 |
| Feb 5, 2026 | 5.03 | 5.47 | 5.01 | 5.33 | 5.33 | 0.76% | 186,706 |
| Feb 4, 2026 | 5.41 | 5.51 | 4.92 | 5.29 | 5.29 | -4.34% | 283,041 |
| Feb 3, 2026 | 5.60 | 5.85 | 4.91 | 5.53 | 5.53 | -1.07% | 640,110 |