Atossa Therapeutics, Inc. (ATOS)

NASDAQ: ATOS · Real-Time Price · USD

2.580

-0.060 (-2.27%)

At close: Aug 28, 2026, 4:00 PM EDT

2.680

+0.100 (3.88%)

After-hours: Aug 28, 2026, 7:52 PM EDT

Atossa Therapeutics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
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
Jul 30, 2026	2.29	2.30	2.18	2.19	2.19	-5.19%	31,898
Jul 29, 2026	2.37	2.39	2.28	2.31	2.31	-4.35%	40,537
Jul 28, 2026	2.36	2.49	2.33	2.42	2.42	2.33%	45,902
Jul 27, 2026	2.30	2.45	2.30	2.36	2.36	2.83%	34,657
Jul 24, 2026	2.41	2.46	2.25	2.30	2.30	-4.77%	40,640
Jul 23, 2026	2.44	2.55	2.41	2.41	2.41	-0.82%	37,165
Jul 22, 2026	2.43	2.49	2.37	2.43	2.43	1.25%	25,753
Jul 21, 2026	2.46	2.60	2.39	2.40	2.40	-3.61%	104,956
Jul 20, 2026	2.48	2.58	2.40	2.49	2.49	-	115,723
Jul 17, 2026	2.39	2.50	2.27	2.49	2.49	4.18%	47,724
Jul 16, 2026	2.42	2.46	2.34	2.39	2.39	-2.05%	68,851
Jul 15, 2026	2.29	2.44	2.23	2.44	2.44	7.96%	95,129
Jul 14, 2026	2.35	2.36	2.23	2.26	2.26	-5.83%	156,977
Jul 13, 2026	2.37	2.42	2.21	2.40	2.40	1.27%	177,554
Jul 10, 2026	2.37	2.39	2.22	2.37	2.37	0.42%	65,738
Jul 9, 2026	2.42	2.42	2.27	2.36	2.36	-3.67%	144,080
Jul 8, 2026	2.51	2.54	2.38	2.45	2.45	-1.61%	125,605
Jul 7, 2026	2.37	2.60	2.19	2.49	2.49	9.21%	426,355
Jul 6, 2026	2.14	2.41	2.14	2.28	2.28	7.55%	228,476
Jul 2, 2026	2.03	2.19	2.03	2.12	2.12	3.92%	116,527
Jul 1, 2026	1.95	2.06	1.92	2.04	2.04	5.70%	144,223
Jun 30, 2026	1.98	2.01	1.93	1.93	1.93	-2.53%	73,951
Jun 29, 2026	1.90	2.04	1.89	1.98	1.98	5.32%	181,707
Jun 26, 2026	1.76	1.91	1.73	1.88	1.88	6.21%	377,885
Jun 25, 2026	1.77	1.78	1.70	1.77	1.77	1.14%	143,643
Jun 24, 2026	1.89	1.89	1.75	1.75	1.75	-7.89%	304,043
Jun 23, 2026	1.82	1.96	1.78	1.90	1.90	3.83%	535,003
Jun 22, 2026	2.03	2.03	1.81	1.83	1.83	-8.96%	469,933
Jun 18, 2026	2.01	2.03	1.95	2.01	2.01	1.26%	193,503