Atossa Therapeutics, Inc. (ATOS)
NASDAQ: ATOS · Real-Time Price · USD
2.440
+0.020 (0.83%)
At close: Oct 9, 2026, 4:00 PM EDT
2.480
+0.040 (1.64%)
After-hours: Oct 9, 2026, 7:36 PM EDT
Atossa Therapeutics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 9, 2026 | 2.45 | 2.74 | 2.12 | 2.44 | 2.44 | 0.83% | 265,554 |
| Oct 8, 2026 | 2.46 | 2.48 | 2.39 | 2.42 | 2.42 | -1.63% | 100,778 |
| Oct 7, 2026 | 2.41 | 2.49 | 2.41 | 2.46 | 2.46 | 0.41% | 19,057 |
| Oct 6, 2026 | 2.46 | 2.54 | 2.43 | 2.45 | 2.45 | - | 54,625 |
| Oct 5, 2026 | 2.38 | 2.50 | 2.34 | 2.45 | 2.45 | 4.70% | 53,313 |
| Oct 2, 2026 | 2.23 | 2.38 | 2.17 | 2.34 | 2.34 | 3.08% | 73,851 |
| Oct 1, 2026 | 1.96 | 2.30 | 1.96 | 2.27 | 2.27 | 16.41% | 112,806 |
| Sep 30, 2026 | 1.99 | 2.15 | 1.95 | 1.95 | 1.95 | -2.01% | 67,712 |
| Sep 29, 2026 | 2.06 | 2.16 | 1.96 | 1.99 | 1.99 | 1.53% | 83,318 |
| Sep 28, 2026 | 1.91 | 2.04 | 1.82 | 1.96 | 1.96 | 3.16% | 152,908 |
| Sep 25, 2026 | 2.06 | 2.07 | 1.89 | 1.90 | 1.90 | -7.32% | 77,555 |
| Sep 24, 2026 | 2.15 | 2.22 | 2.05 | 2.05 | 2.05 | -5.96% | 33,376 |
| Sep 23, 2026 | 2.25 | 2.26 | 2.15 | 2.18 | 2.18 | -3.54% | 37,177 |
| Sep 22, 2026 | 2.25 | 2.43 | 2.25 | 2.26 | 2.26 | 0.44% | 116,688 |
| Sep 21, 2026 | 2.25 | 2.39 | 2.25 | 2.25 | 2.25 | 1.35% | 66,354 |
| Sep 18, 2026 | 2.37 | 2.38 | 2.22 | 2.22 | 2.22 | -7.50% | 37,777 |
| Sep 17, 2026 | 2.42 | 2.43 | 2.37 | 2.40 | 2.40 | -0.83% | 31,486 |
| Sep 16, 2026 | 2.39 | 2.48 | 2.39 | 2.42 | 2.42 | 2.11% | 45,767 |
| Sep 15, 2026 | 2.48 | 2.49 | 2.37 | 2.37 | 2.37 | -4.44% | 43,777 |
| Sep 14, 2026 | 2.53 | 2.56 | 2.45 | 2.48 | 2.48 | -1.20% | 35,036 |
| Sep 11, 2026 | 2.36 | 2.54 | 2.36 | 2.51 | 2.51 | 7.26% | 58,611 |
| Sep 10, 2026 | 2.36 | 2.61 | 2.33 | 2.34 | 2.34 | -2.50% | 47,222 |
| Sep 9, 2026 | 2.54 | 2.54 | 2.40 | 2.40 | 2.40 | -4.57% | 24,798 |
| Sep 8, 2026 | 2.49 | 2.59 | 2.45 | 2.52 | 2.52 | -0.20% | 41,338 |
| Sep 4, 2026 | 2.51 | 2.60 | 2.50 | 2.52 | 2.52 | -0.40% | 27,979 |
| Sep 3, 2026 | 2.50 | 2.60 | 2.46 | 2.53 | 2.53 | 2.85% | 56,679 |
| Sep 2, 2026 | 2.40 | 2.51 | 2.39 | 2.46 | 2.46 | 1.65% | 44,770 |
| Sep 1, 2026 | 2.48 | 2.50 | 2.32 | 2.42 | 2.42 | -3.20% | 91,772 |
| Aug 31, 2026 | 2.57 | 2.59 | 2.50 | 2.50 | 2.50 | -3.10% | 53,194 |
| Aug 28, 2026 | 2.62 | 2.62 | 2.50 | 2.58 | 2.58 | -2.27% | 47,949 |
| Aug 27, 2026 | 2.64 | 2.69 | 2.59 | 2.64 | 2.64 | -0.38% | 23,104 |
| Aug 26, 2026 | 2.66 | 2.70 | 2.61 | 2.65 | 2.65 | -1.12% | 26,287 |
| Aug 25, 2026 | 2.62 | 2.69 | 2.58 | 2.68 | 2.68 | 1.52% | 49,680 |
| Aug 24, 2026 | 2.56 | 2.65 | 2.45 | 2.64 | 2.64 | 3.94% | 56,713 |
| Aug 21, 2026 | 2.59 | 2.62 | 2.51 | 2.54 | 2.54 | -1.93% | 25,561 |
| Aug 20, 2026 | 2.62 | 2.62 | 2.44 | 2.59 | 2.59 | -1.89% | 70,939 |
| Aug 19, 2026 | 2.57 | 2.76 | 2.55 | 2.64 | 2.64 | 1.93% | 62,166 |
| Aug 18, 2026 | 2.77 | 2.78 | 2.57 | 2.59 | 2.59 | -7.17% | 58,271 |
| Aug 17, 2026 | 2.62 | 2.97 | 2.55 | 2.79 | 2.79 | 7.31% | 192,303 |
| Aug 14, 2026 | 2.54 | 2.69 | 2.43 | 2.60 | 2.60 | 1.56% | 95,870 |
| Aug 13, 2026 | 2.36 | 2.56 | 2.36 | 2.56 | 2.56 | 8.94% | 82,726 |
| Aug 12, 2026 | 2.32 | 2.37 | 2.27 | 2.35 | 2.35 | -0.42% | 31,288 |
| Aug 11, 2026 | 2.39 | 2.45 | 2.27 | 2.36 | 2.36 | -0.42% | 56,233 |
| Aug 10, 2026 | 2.26 | 2.45 | 2.26 | 2.37 | 2.37 | 0.42% | 68,447 |
| Aug 7, 2026 | 2.37 | 2.45 | 2.24 | 2.36 | 2.36 | -2.48% | 77,212 |
| Aug 6, 2026 | 2.39 | 2.44 | 2.26 | 2.42 | 2.42 | 1.26% | 30,699 |
| Aug 5, 2026 | 2.37 | 2.39 | 2.27 | 2.39 | 2.39 | 3.46% | 35,264 |
| Aug 4, 2026 | 2.18 | 2.34 | 2.18 | 2.31 | 2.31 | 6.45% | 53,902 |
| Aug 3, 2026 | 2.10 | 2.19 | 2.07 | 2.17 | 2.17 | 4.83% | 24,066 |
| Jul 31, 2026 | 2.19 | 2.19 | 2.05 | 2.07 | 2.07 | -5.48% | 78,964 |