Atossa Therapeutics, Inc. (ATOS)

NASDAQ: ATOS · Real-Time Price · USD

2.170

-0.060 (-2.69%)

At close: Oct 30, 2026, 4:00 PM EDT

2.279

+0.109 (5.04%)

After-hours: Oct 30, 2026, 7:30 PM EDT

Atossa Therapeutics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 30, 2026	2.25	2.43	2.14	2.17	2.17	-2.69%	32,902
Oct 29, 2026	2.35	2.38	2.22	2.23	2.23	-5.91%	68,007
Oct 28, 2026	2.38	2.43	2.36	2.37	2.37	-0.42%	29,462
Oct 27, 2026	2.44	2.63	2.37	2.38	2.38	-2.86%	24,834
Oct 26, 2026	2.58	2.58	2.40	2.45	2.45	-5.77%	35,078
Oct 23, 2026	2.74	2.85	2.60	2.60	2.60	-4.41%	77,024
Oct 22, 2026	2.49	2.77	2.46	2.72	2.72	7.51%	90,656
Oct 21, 2026	2.53	2.59	2.38	2.53	2.53	-0.39%	189,632
Oct 20, 2026	2.54	2.67	2.51	2.54	2.54	-0.78%	36,755
Oct 19, 2026	2.66	2.76	2.51	2.56	2.56	-12.03%	80,522
Oct 16, 2026	2.59	2.95	2.51	2.91	2.91	9.81%	101,913
Oct 15, 2026	2.78	3.12	2.53	2.65	2.65	-4.68%	225,959
Oct 14, 2026	2.52	2.81	2.45	2.78	2.78	8.59%	235,881
Oct 13, 2026	2.35	2.60	2.30	2.56	2.56	7.17%	70,737
Oct 12, 2026	2.44	2.53	2.34	2.39	2.39	-2.10%	81,257
Oct 9, 2026	2.45	2.74	2.12	2.44	2.44	0.83%	263,881
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