ATMU Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Feb 23, 2026	64.37	64.57	63.04	63.59	63.59	-1.72%	924,149
Feb 20, 2026	64.84	65.35	63.99	64.70	64.70	-0.54%	1,025,770
Feb 19, 2026	64.01	65.07	64.00	65.05	65.00	1.26%	566,394
Feb 18, 2026	64.25	65.54	63.71	64.24	64.19	0.23%	1,036,847
Feb 17, 2026	64.85	65.20	63.41	64.09	64.04	-0.05%	1,621,321
Feb 13, 2026	63.68	66.00	63.09	64.12	64.07	3.22%	2,863,393
Feb 12, 2026	63.71	64.51	61.24	62.12	62.07	-1.40%	1,611,029
Feb 11, 2026	62.89	64.06	59.47	63.00	62.95	1.42%	598,092
Feb 10, 2026	62.08	62.86	61.27	62.12	62.07	0.03%	1,251,999
Feb 9, 2026	61.43	62.61	61.12	62.10	62.05	1.04%	1,178,636
Feb 6, 2026	60.97	62.62	60.97	61.46	61.41	1.47%	827,212
Feb 5, 2026	60.58	61.17	59.83	60.57	60.52	-1.01%	720,898
Feb 4, 2026	61.10	62.07	60.67	61.19	61.14	0.61%	830,711
Feb 3, 2026	60.45	62.30	60.28	60.82	60.77	0.05%	701,195
Feb 2, 2026	57.52	60.85	57.52	60.79	60.74	4.86%	752,584
Jan 30, 2026	57.04	58.02	56.89	57.97	57.92	0.02%	648,829
Jan 29, 2026	57.48	58.01	56.73	57.96	57.91	2.15%	479,598
Jan 28, 2026	56.51	57.57	56.37	56.74	56.69	0.02%	703,741
Jan 27, 2026	57.24	57.80	56.42	56.73	56.68	-0.99%	398,170
Jan 26, 2026	56.73	57.62	56.57	57.30	57.25	1.33%	609,031
Jan 23, 2026	57.55	57.89	55.78	56.55	56.50	-1.89%	272,838
Jan 22, 2026	57.78	58.18	57.05	57.64	57.59	0.49%	280,229
Jan 21, 2026	56.01	57.47	55.81	57.36	57.31	3.33%	720,710
Jan 20, 2026	55.71	56.69	55.29	55.51	55.46	-2.06%	470,941
Jan 16, 2026	57.00	57.85	56.34	56.68	56.63	-0.93%	491,036
Jan 15, 2026	56.09	57.23	55.93	57.21	57.16	2.90%	541,927
Jan 14, 2026	56.78	56.78	54.92	55.60	55.55	0.11%	556,312
Jan 13, 2026	55.29	55.79	55.12	55.54	55.49	0.73%	311,866
Jan 12, 2026	54.60	55.78	54.41	55.14	55.09	0.71%	346,139
Jan 9, 2026	54.50	55.04	53.84	54.75	54.70	0.90%	459,793
Jan 8, 2026	53.23	54.39	52.81	54.26	54.21	2.84%	616,089
Jan 7, 2026	54.03	55.13	52.58	52.76	52.72	-2.64%	368,825
Jan 6, 2026	52.54	54.49	52.54	54.19	54.14	2.25%	480,515
Jan 5, 2026	52.10	53.63	52.10	53.00	52.96	1.13%	348,181
Jan 2, 2026	52.29	52.58	51.92	52.41	52.37	0.96%	601,752
Dec 31, 2025	52.37	52.37	51.76	51.91	51.87	-0.80%	309,658
Dec 30, 2025	52.32	52.75	51.98	52.33	52.29	-0.61%	343,907
Dec 29, 2025	53.53	53.53	52.42	52.65	52.61	-1.44%	272,866
Dec 26, 2025	53.30	53.67	52.76	53.42	53.37	0.02%	347,300
Dec 24, 2025	53.99	54.65	53.30	53.41	53.36	-0.56%	207,808
Dec 23, 2025	53.63	54.23	53.60	53.71	53.66	-0.44%	416,996
Dec 22, 2025	53.85	54.84	53.51	53.95	53.90	0.71%	510,406
Dec 19, 2025	52.96	53.59	52.47	53.57	53.52	1.08%	2,493,292
Dec 18, 2025	53.54	54.29	52.85	53.00	52.96	0.45%	1,046,479
Dec 17, 2025	52.68	53.15	52.00	52.76	52.72	-0.49%	700,773
Dec 16, 2025	53.28	54.10	52.67	53.02	52.98	-0.32%	497,866
Dec 15, 2025	53.41	53.50	52.74	53.19	53.15	0.87%	536,918
Dec 12, 2025	53.30	53.66	52.08	52.73	52.69	-1.07%	674,991
Dec 11, 2025	52.59	53.59	52.30	53.30	53.25	1.64%	628,246
Dec 10, 2025	50.49	52.60	50.38	52.44	52.40	4.05%	610,953