ATOS Historical Stock Prices & CSV Downloads

Atossa Therapeutics, Inc. (ATOS), daily historical prices. Prices in USD.
Date	Open	High	Low	Close		Volume
Oct 30, 2026	2.25	2.43	2.14	2.17	2.17	32,900
Oct 29, 2026	2.35	2.38	2.22	2.23	2.23	68,000
Oct 28, 2026	2.38	2.43	2.36	2.37	2.37	29,400
Oct 27, 2026	2.44	2.63	2.37	2.38	2.38	24,800
Oct 26, 2026	2.58	2.58	2.40	2.45	2.45	35,100
Oct 23, 2026	2.74	2.85	2.60	2.60	2.60	77,000
Oct 22, 2026	2.49	2.77	2.46	2.72	2.72	90,600
Oct 21, 2026	2.53	2.59	2.38	2.53	2.53	189,600
Oct 20, 2026	2.54	2.67	2.51	2.54	2.54	36,800
Oct 19, 2026	2.66	2.76	2.51	2.56	2.56	80,100
Oct 16, 2026	2.59	2.95	2.51	2.91	2.91	104,200
Oct 15, 2026	2.78	3.12	2.53	2.65	2.65	226,200
Oct 14, 2026	2.52	2.81	2.45	2.78	2.78	236,100
Oct 13, 2026	2.35	2.60	2.30	2.56	2.56	70,700
Oct 12, 2026	2.44	2.53	2.34	2.39	2.39	81,400
Oct 9, 2026	2.45	2.74	2.12	2.44	2.44	265,600
Oct 8, 2026	2.46	2.48	2.39	2.42	2.42	100,800
Oct 7, 2026	2.41	2.49	2.41	2.46	2.46	19,100
Oct 6, 2026	2.46	2.54	2.43	2.45	2.45	54,600
Oct 5, 2026	2.38	2.50	2.34	2.45	2.45	53,300
Oct 2, 2026	2.23	2.38	2.17	2.34	2.34	74,300
Oct 1, 2026	1.96	2.30	1.96	2.27	2.27	113,000
Sep 30, 2026	1.99	2.15	1.95	1.95	1.95	67,800
Sep 29, 2026	2.06	2.16	1.96	1.99	1.99	83,300
Sep 28, 2026	1.91	2.04	1.82	1.96	1.96	152,900

Historical stock data.