MSM:ATMI Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
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
Apr 12, 2026	0.83	0.83	0.82	0.82	0.82	3.80%	1,443
Apr 9, 2026	0.79	0.79	0.79	0.79	0.79	-	-
Apr 8, 2026	0.80	0.80	0.79	0.79	0.79	-2.47%	25,252
Apr 7, 2026	0.82	0.82	0.81	0.81	0.81	-1.22%	12,088
Apr 6, 2026	0.82	0.82	0.76	0.82	0.82	-0.61%	1,400
Apr 5, 2026	0.83	0.83	0.83	0.83	0.83	-	10,100
Apr 2, 2026	0.83	0.83	0.83	0.83	0.83	-0.60%	15,299
Apr 1, 2026	0.83	0.83	0.83	0.83	0.83	-	1,000
Mar 31, 2026	0.83	0.83	0.83	0.83	0.83	-	16,502
Mar 30, 2026	0.83	0.83	0.83	0.83	0.83	-	998
Mar 29, 2026	0.91	0.91	0.75	0.83	0.83	-	1,300
Mar 26, 2026	0.83	0.83	0.83	0.83	0.83	-	-
Mar 25, 2026	0.83	0.83	0.83	0.83	0.79	0.61%	5,996
Mar 24, 2026	0.80	0.83	0.80	0.83	0.79	1.85%	936,228
Mar 18, 2026	0.80	0.81	0.80	0.81	0.77	1.25%	1,754
Mar 17, 2026	0.80	0.80	0.80	0.80	0.76	-	46,426
Mar 16, 2026	0.81	0.82	0.80	0.80	0.76	-0.62%	58,274
Mar 15, 2026	0.81	0.81	0.81	0.81	0.77	-0.49%	3,000
Mar 12, 2026	0.81	0.81	0.80	0.81	0.77	-0.12%	32,795
Mar 11, 2026	0.81	0.81	0.80	0.81	0.77	-1.10%	14,506
Mar 10, 2026	0.80	0.82	0.80	0.82	0.78	1.87%	17,179
Mar 9, 2026	0.83	0.83	0.80	0.80	0.77	-3.13%	1,050
Mar 8, 2026	0.81	0.83	0.81	0.83	0.79	2.47%	29,587
Mar 5, 2026	0.81	0.81	0.81	0.81	0.77	-	2,470
Mar 4, 2026	0.88	0.88	0.81	0.81	0.77	-0.61%	22,060
Mar 3, 2026	0.82	0.82	0.82	0.82	0.78	-9.44%	580
Mar 2, 2026	0.90	0.90	0.90	0.90	0.86	-	-
Mar 1, 2026	0.90	0.90	0.81	0.90	0.86	-	88,720
Feb 26, 2026	0.93	0.93	0.90	0.90	0.86	-3.23%	10,500
Feb 25, 2026	0.93	0.94	0.93	0.93	0.89	-1.06%	122,552
Feb 24, 2026	0.94	0.94	0.94	0.94	0.89	-	-
Feb 23, 2026	0.94	0.94	0.88	0.94	0.89	-0.95%	10,788
Feb 22, 2026	0.95	0.95	0.95	0.95	0.90	-	-
Feb 19, 2026	0.95	0.95	0.95	0.95	0.90	-0.11%	1,188
Feb 18, 2026	0.95	0.95	0.95	0.95	0.90	-1.55%	19,078
Feb 17, 2026	0.95	0.97	0.95	0.97	0.92	-0.92%	5,622
Feb 16, 2026	0.93	0.98	0.88	0.97	0.93	-	205,675
Feb 15, 2026	0.98	0.98	0.97	0.97	0.93	-	4,961
Feb 12, 2026	0.97	0.97	0.97	0.97	0.93	-	2,400
Feb 11, 2026	0.97	0.97	0.95	0.97	0.93	0.83%	10,869
Feb 10, 2026	0.97	0.97	0.97	0.97	0.92	-	3,031