Atossa Therapeutics, Inc. (ATOS)
NASDAQ: ATOS · Real-Time Price · USD
5.70
-0.03 (-0.52%)
At close: Apr 24, 2026, 4:00 PM EDT
5.76
+0.06 (1.05%)
After-hours: Apr 24, 2026, 4:33 PM EDT
Atossa Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 24, 2026 | 5.73 | 5.80 | 5.54 | 5.70 | 5.70 | -0.52% | 42,373 |
| Apr 23, 2026 | 5.93 | 5.93 | 5.61 | 5.73 | 5.73 | -3.70% | 36,371 |
| Apr 22, 2026 | 5.87 | 6.02 | 5.75 | 5.95 | 5.95 | 3.12% | 40,176 |
| Apr 21, 2026 | 6.20 | 6.20 | 5.76 | 5.77 | 5.77 | -6.48% | 90,416 |
| Apr 20, 2026 | 5.83 | 6.28 | 5.80 | 6.17 | 6.17 | 5.83% | 127,690 |
| Apr 17, 2026 | 5.81 | 5.94 | 5.67 | 5.83 | 5.83 | 1.04% | 54,649 |
| Apr 16, 2026 | 5.64 | 5.78 | 5.52 | 5.77 | 5.77 | 0.52% | 33,856 |
| Apr 15, 2026 | 5.37 | 5.76 | 5.35 | 5.74 | 5.74 | 7.29% | 100,046 |
| Apr 14, 2026 | 5.30 | 5.44 | 5.23 | 5.35 | 5.35 | 0.75% | 35,035 |
| Apr 13, 2026 | 4.92 | 5.36 | 4.92 | 5.31 | 5.31 | 7.49% | 71,277 |
| Apr 10, 2026 | 4.99 | 4.99 | 4.81 | 4.94 | 4.94 | -0.80% | 30,083 |
| Apr 9, 2026 | 4.84 | 5.05 | 4.73 | 4.98 | 4.98 | 3.32% | 42,843 |
| Apr 8, 2026 | 5.08 | 5.14 | 4.73 | 4.82 | 4.82 | -1.23% | 76,859 |
| Apr 7, 2026 | 5.15 | 5.15 | 4.70 | 4.88 | 4.88 | -5.24% | 81,433 |
| Apr 6, 2026 | 5.41 | 5.41 | 5.10 | 5.15 | 5.15 | -4.01% | 54,706 |
| Apr 2, 2026 | 5.01 | 5.56 | 5.00 | 5.37 | 5.37 | 4.99% | 70,988 |
| Apr 1, 2026 | 5.27 | 5.36 | 5.03 | 5.11 | 5.11 | -2.85% | 63,322 |
| Mar 31, 2026 | 4.77 | 5.26 | 4.77 | 5.26 | 5.26 | 11.68% | 42,650 |
| Mar 30, 2026 | 4.79 | 4.87 | 4.59 | 4.71 | 4.71 | -0.21% | 28,551 |
| Mar 27, 2026 | 4.60 | 4.93 | 4.60 | 4.72 | 4.72 | 0.21% | 64,076 |
| Mar 26, 2026 | 5.19 | 5.47 | 4.64 | 4.71 | 4.71 | -13.10% | 123,309 |
| Mar 25, 2026 | 5.57 | 6.09 | 5.40 | 5.42 | 5.42 | -1.63% | 129,265 |
| Mar 24, 2026 | 5.61 | 5.69 | 5.39 | 5.51 | 5.51 | -1.78% | 41,080 |
| Mar 23, 2026 | 5.37 | 5.71 | 5.35 | 5.61 | 5.61 | 5.25% | 65,586 |
| Mar 20, 2026 | 5.17 | 5.98 | 5.12 | 5.33 | 5.33 | 3.90% | 159,461 |
| Mar 19, 2026 | 5.11 | 5.35 | 4.97 | 5.13 | 5.13 | 0.39% | 65,855 |
| Mar 18, 2026 | 5.50 | 5.53 | 5.10 | 5.11 | 5.11 | -6.92% | 47,150 |
| Mar 17, 2026 | 4.98 | 5.57 | 4.98 | 5.49 | 5.49 | 10.46% | 64,237 |
| Mar 16, 2026 | 5.06 | 5.18 | 4.90 | 4.97 | 4.97 | -0.80% | 38,868 |
| 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% | 146,417 |
| Mar 11, 2026 | 4.73 | 4.85 | 4.61 | 4.78 | 4.78 | - | 42,675 |
| Mar 10, 2026 | 4.58 | 4.87 | 4.56 | 4.78 | 4.78 | 4.60% | 124,670 |
| Mar 9, 2026 | 4.53 | 4.60 | 4.36 | 4.57 | 4.57 | 0.88% | 129,133 |
| Mar 6, 2026 | 4.56 | 4.67 | 4.44 | 4.53 | 4.53 | -3.21% | 46,143 |
| Mar 5, 2026 | 4.92 | 5.01 | 4.52 | 4.68 | 4.68 | -4.88% | 70,708 |
| Mar 4, 2026 | 4.79 | 5.12 | 4.71 | 4.92 | 4.92 | 4.24% | 136,363 |
| Mar 3, 2026 | 4.54 | 4.91 | 4.31 | 4.72 | 4.72 | 4.89% | 102,344 |
| Mar 2, 2026 | 4.35 | 4.55 | 4.23 | 4.50 | 4.50 | 1.58% | 88,045 |
| Feb 27, 2026 | 4.43 | 4.59 | 4.35 | 4.43 | 4.43 | -0.89% | 69,251 |
| Feb 26, 2026 | 4.36 | 4.60 | 4.30 | 4.47 | 4.47 | 4.68% | 89,563 |
| Feb 25, 2026 | 4.23 | 4.44 | 4.15 | 4.27 | 4.27 | 1.43% | 77,472 |
| Feb 24, 2026 | 4.01 | 4.27 | 4.00 | 4.21 | 4.21 | 6.31% | 96,160 |
| Feb 23, 2026 | 4.11 | 4.15 | 3.84 | 3.96 | 3.96 | -5.94% | 105,399 |
| Feb 20, 2026 | 4.38 | 4.48 | 4.15 | 4.21 | 4.21 | -4.75% | 42,940 |
| Feb 19, 2026 | 4.35 | 4.55 | 4.20 | 4.42 | 4.42 | 1.84% | 68,262 |
| Feb 18, 2026 | 4.06 | 4.59 | 4.06 | 4.34 | 4.34 | 4.58% | 85,595 |
| Feb 17, 2026 | 4.14 | 4.20 | 3.97 | 4.15 | 4.15 | -1.19% | 92,561 |
| Feb 13, 2026 | 3.92 | 4.44 | 3.91 | 4.20 | 4.20 | 6.60% | 94,093 |
| Feb 12, 2026 | 4.05 | 4.15 | 3.76 | 3.94 | 3.94 | -2.72% | 243,055 |