MSM:ATMI Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
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
May 3, 2026	0.77	0.78	0.77	0.78	0.78	-	2,500
Apr 30, 2026	0.78	0.78	0.73	0.78	0.78	-0.13%	3,327
Apr 29, 2026	0.78	0.78	0.73	0.78	0.78	7.03%	15,450
Apr 28, 2026	0.73	0.73	0.73	0.73	0.73	-6.45%	2,400
Apr 27, 2026	0.78	0.78	0.78	0.78	0.78	-	-
Apr 26, 2026	0.78	0.78	0.78	0.78	0.78	-1.52%	1,029
Apr 23, 2026	0.79	0.79	0.79	0.79	0.79	-0.13%	100
Apr 22, 2026	0.76	0.79	0.72	0.79	0.79	3.68%	166,702
Apr 21, 2026	0.76	0.76	0.75	0.76	0.76	-5.00%	119,500
Apr 20, 2026	0.80	0.80	0.80	0.80	0.80	-	1,100
Apr 19, 2026	0.77	0.80	0.77	0.80	0.80	5.26%	101
Apr 16, 2026	0.80	0.80	0.76	0.76	0.76	-5.00%	216,700
Apr 15, 2026	0.80	0.81	0.78	0.80	0.80	-2.44%	116,430
Apr 14, 2026	0.82	0.82	0.82	0.82	0.82	0.24%	183
Apr 13, 2026	0.80	0.82	0.80	0.82	0.82	-0.24%	43,432