MSM:ATMI Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
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
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