Atossa Therapeutics, Inc. (ATOS)
NASDAQ: ATOS · Real-Time Price · USD
5.11
-0.15 (-2.85%)
At close: Apr 1, 2026, 4:00 PM EDT
5.00
-0.11 (-2.15%)
After-hours: Apr 1, 2026, 6:46 PM EDT
Atossa Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| 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 |
| Feb 11, 2026 | 4.76 | 4.77 | 4.03 | 4.05 | 4.05 | -15.98% | 347,560 |
| Feb 10, 2026 | 4.91 | 5.05 | 4.80 | 4.82 | 4.82 | -3.41% | 190,284 |
| Feb 9, 2026 | 5.32 | 5.33 | 4.78 | 4.99 | 4.99 | -6.55% | 324,787 |
| Feb 6, 2026 | 5.33 | 5.54 | 5.21 | 5.34 | 5.34 | 0.19% | 154,637 |
| Feb 5, 2026 | 5.03 | 5.47 | 5.01 | 5.33 | 5.33 | 0.76% | 183,625 |
| Feb 4, 2026 | 5.41 | 5.51 | 4.92 | 5.29 | 5.29 | -4.34% | 282,407 |
| Feb 3, 2026 | 5.60 | 5.85 | 4.91 | 5.53 | 5.53 | -1.07% | 639,101 |
| Feb 2, 2026 | 7.23 | 7.56 | 5.40 | 5.59 | 5.59 | -34.04% | 665,615 |
| Jan 30, 2026 | 8.94 | 8.99 | 7.98 | 8.48 | 8.47 | -5.83% | 189,392 |
| Jan 29, 2026 | 9.26 | 9.26 | 8.55 | 9.00 | 9.00 | -2.66% | 118,356 |
| Jan 28, 2026 | 10.10 | 10.37 | 9.15 | 9.25 | 9.25 | -9.99% | 141,435 |
| Jan 27, 2026 | 10.50 | 10.95 | 9.92 | 10.27 | 10.27 | -0.07% | 124,891 |
| Jan 26, 2026 | 9.50 | 10.65 | 9.04 | 10.28 | 10.28 | 6.73% | 211,374 |
| Jan 23, 2026 | 9.90 | 9.90 | 9.45 | 9.63 | 9.63 | -1.91% | 50,141 |
| Jan 22, 2026 | 9.30 | 9.83 | 8.88 | 9.82 | 9.82 | 8.51% | 77,698 |
| Jan 21, 2026 | 9.00 | 9.30 | 8.78 | 9.05 | 9.05 | 0.04% | 60,963 |