MSM:ATMI Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jul 16, 2026	0.85	0.85	0.85	0.85	0.85	-0.70%	53,500
Jul 15, 2026	0.86	0.86	0.85	0.86	0.86	-	4,750
Jul 14, 2026	0.85	0.86	0.85	0.86	0.86	1.66%	24,340
Jul 13, 2026	0.84	0.84	0.84	0.84	0.84	-	12,150
Jul 12, 2026	0.84	0.84	0.84	0.84	0.84	-	3,130
Jul 9, 2026	0.84	0.84	0.84	0.84	0.84	0.60%	8,260
Jul 8, 2026	0.84	0.84	0.84	0.84	0.84	-0.36%	25,000
Jul 7, 2026	0.84	0.84	0.84	0.84	0.84	0.72%	41,129
Jul 6, 2026	0.83	0.83	0.83	0.83	0.83	0.48%	220,850
Jul 5, 2026	0.83	0.83	0.83	0.83	0.83	0.24%	152,000
Jul 2, 2026	0.83	0.83	0.82	0.83	0.83	-0.24%	576,300
Jul 1, 2026	0.84	0.84	0.83	0.83	0.83	-0.60%	5,400
Jun 30, 2026	0.84	0.84	0.84	0.84	0.84	-	60,000
Jun 29, 2026	0.83	0.84	0.83	0.84	0.84	1.46%	269,844
Jun 28, 2026	0.82	0.82	0.81	0.82	0.82	0.98%	186,860
Jun 25, 2026	0.81	0.82	0.81	0.82	0.82	-	25,859
Jun 24, 2026	0.82	0.82	0.80	0.82	0.82	-	122,141
Jun 23, 2026	0.82	0.82	0.81	0.82	0.82	0.62%	42,450
Jun 22, 2026	0.80	0.81	0.80	0.81	0.81	1.25%	213,969
Jun 21, 2026	0.78	0.80	0.78	0.80	0.80	3.76%	126,180
Jun 17, 2026	0.74	0.77	0.74	0.77	0.77	3.91%	77,441
Jun 16, 2026	0.74	0.74	0.74	0.74	0.74	-	-
Jun 15, 2026	0.74	0.74	0.74	0.74	0.74	-0.80%	36,000
Jun 14, 2026	0.75	0.75	0.75	0.75	0.75	-	-
Jun 11, 2026	0.75	0.75	0.75	0.75	0.75	-	-
Jun 10, 2026	0.75	0.75	0.75	0.75	0.75	-	-
Jun 9, 2026	0.75	0.75	0.72	0.75	0.75	-1.32%	32,327
Jun 8, 2026	0.76	0.76	0.76	0.76	0.76	-1.56%	400
Jun 7, 2026	0.77	0.77	0.77	0.77	0.77	-	-
Jun 4, 2026	0.77	0.77	0.77	0.77	0.77	-	-
Jun 3, 2026	0.77	0.77	0.77	0.77	0.77	-	-
Jun 2, 2026	0.77	0.77	0.77	0.77	0.77	-	650
Jun 1, 2026	0.77	0.77	0.77	0.77	0.77	-	-
May 31, 2026	0.77	0.77	0.77	0.77	0.77	-	-
May 25, 2026	0.75	0.77	0.73	0.77	0.77	-	8,976
May 24, 2026	0.77	0.77	0.77	0.77	0.77	-	-
May 21, 2026	0.75	0.77	0.75	0.77	0.77	4.05%	22,800
May 20, 2026	0.74	0.74	0.74	0.74	0.74	-	-
May 19, 2026	0.74	0.74	0.74	0.74	0.74	-	500
May 18, 2026	0.74	0.74	0.73	0.74	0.74	-0.67%	2,955
May 17, 2026	0.75	0.75	0.75	0.75	0.75	-	4,527
May 14, 2026	0.76	0.76	0.75	0.75	0.75	-0.67%	14,380
May 13, 2026	0.76	0.76	0.75	0.75	0.75	-3.23%	1,000
May 12, 2026	0.78	0.78	0.78	0.78	0.78	-	-
May 11, 2026	0.78	0.78	0.78	0.78	0.78	-	-
May 10, 2026	0.78	0.78	0.78	0.78	0.78	-3.13%	55,124
May 7, 2026	0.80	0.80	0.80	0.80	0.80	3.23%	100
May 6, 2026	0.78	0.78	0.78	0.78	0.78	-	-
May 5, 2026	0.78	0.78	0.78	0.78	0.78	0.13%	9,675
May 4, 2026	0.78	0.78	0.77	0.77	0.77	-0.13%	5,320