Atossa Therapeutics, Inc. (ATOS)

NASDAQ: ATOS · Real-Time Price · USD

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0.6164

-0.0684 (-9.99%)

At close: Jan 28, 2026, 4:00 PM EST

0.6280

+0.0116 (1.88%)

After-hours: Jan 28, 2026, 4:38 PM EST

Atossa Therapeutics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jan 28, 2026	0.67	0.69	0.62	0.62	-	-10.18%	1,234,418
Jan 27, 2026	0.70	0.73	0.66	0.68	0.68	-0.07%	1,849,364
Jan 26, 2026	0.63	0.71	0.60	0.69	0.69	6.73%	3,112,584
Jan 23, 2026	0.66	0.66	0.63	0.64	0.64	-1.91%	748,137
Jan 22, 2026	0.62	0.66	0.59	0.65	0.65	8.50%	1,135,727
Jan 21, 2026	0.60	0.62	0.59	0.60	0.60	0.05%	887,203
Jan 20, 2026	0.66	0.66	0.58	0.60	0.60	-1.95%	3,838,815
Jan 16, 2026	0.61	0.64	0.59	0.62	0.62	6.02%	1,738,214
Jan 15, 2026	0.61	0.61	0.57	0.58	0.58	-3.64%	1,603,892
Jan 14, 2026	0.63	0.63	0.60	0.60	0.60	-5.30%	1,612,611
Jan 13, 2026	0.66	0.67	0.63	0.64	0.64	-2.78%	537,106
Jan 12, 2026	0.64	0.66	0.62	0.65	0.65	1.36%	725,946
Jan 9, 2026	0.66	0.67	0.63	0.65	0.65	-1.21%	890,937
Jan 8, 2026	0.67	0.68	0.64	0.65	0.65	-1.82%	899,719
Jan 7, 2026	0.67	0.70	0.66	0.67	0.67	0.71%	666,011
Jan 6, 2026	0.61	0.68	0.61	0.66	0.66	7.00%	2,353,776
Jan 5, 2026	0.65	0.65	0.60	0.62	0.62	-2.12%	1,159,471
Jan 2, 2026	0.59	0.63	0.59	0.63	0.63	6.88%	1,507,335
Dec 31, 2025	0.60	0.61	0.55	0.59	0.59	-5.07%	3,687,316
Dec 30, 2025	0.65	0.65	0.62	0.62	0.62	-5.63%	1,662,405
Dec 29, 2025	0.64	0.69	0.64	0.66	0.66	-0.05%	1,060,359
Dec 26, 2025	0.68	0.69	0.65	0.66	0.66	-3.99%	967,560
Dec 24, 2025	0.68	0.70	0.67	0.69	0.69	0.32%	685,606
Dec 23, 2025	0.70	0.71	0.67	0.68	0.68	-4.62%	2,254,015
Dec 22, 2025	0.73	0.75	0.71	0.72	0.72	-1.90%	638,579
Dec 19, 2025	0.71	0.74	0.70	0.73	0.73	3.82%	930,924
Dec 18, 2025	0.71	0.74	0.70	0.70	0.70	-1.39%	628,747
Dec 17, 2025	0.74	0.75	0.71	0.71	0.71	-1.46%	479,207
Dec 16, 2025	0.70	0.74	0.70	0.72	0.72	1.40%	584,162
Dec 15, 2025	0.74	0.77	0.70	0.71	0.71	-13.37%	2,871,714
Dec 12, 2025	0.88	0.91	0.82	0.83	0.83	-8.82%	1,142,264
Dec 11, 2025	0.96	0.99	0.89	0.90	0.90	6.45%	5,808,559
Dec 10, 2025	0.82	0.87	0.80	0.85	0.85	5.11%	1,019,408
Dec 9, 2025	0.78	0.82	0.78	0.81	0.81	3.47%	579,246
Dec 8, 2025	0.82	0.82	0.77	0.78	0.78	-2.21%	459,348
Dec 5, 2025	0.78	0.81	0.77	0.80	0.80	5.24%	843,863
Dec 4, 2025	0.74	0.77	0.73	0.76	0.76	2.84%	703,000
Dec 3, 2025	0.71	0.74	0.70	0.74	0.74	5.48%	611,267
Dec 2, 2025	0.73	0.75	0.68	0.70	0.70	-5.65%	1,210,542
Dec 1, 2025	0.79	0.80	0.74	0.74	0.74	-4.57%	746,683
Nov 28, 2025	0.79	0.79	0.77	0.78	0.78	-0.29%	238,436
Nov 26, 2025	0.78	0.81	0.77	0.78	0.78	1.14%	625,591
Nov 25, 2025	0.76	0.78	0.75	0.77	0.77	2.58%	236,901
Nov 24, 2025	0.80	0.82	0.75	0.75	0.75	-3.67%	792,108
Nov 21, 2025	0.75	0.78	0.74	0.78	0.78	3.75%	594,260
Nov 20, 2025	0.76	0.80	0.75	0.75	0.75	-1.52%	495,528
Nov 19, 2025	0.79	0.80	0.76	0.76	0.76	-3.34%	453,423
Nov 18, 2025	0.77	0.82	0.77	0.79	0.79	0.64%	427,868
Nov 17, 2025	0.81	0.85	0.77	0.79	0.79	-1.88%	761,653
Nov 14, 2025	0.79	0.82	0.78	0.80	0.80	-0.34%	482,976