MSM:ATMI Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 8, 2026	0.94	0.94	0.94	0.94	0.94	-	6,295
Oct 7, 2026	0.94	0.94	0.94	0.94	0.94	-	3,200
Oct 6, 2026	0.94	0.94	0.93	0.94	0.94	-	351,905
Oct 5, 2026	0.94	0.94	0.94	0.94	0.94	0.21%	5,106
Oct 4, 2026	0.94	0.94	0.93	0.93	0.93	-0.21%	1,970
Oct 1, 2026	0.93	0.94	0.93	0.94	0.94	0.43%	10,406
Sep 30, 2026	0.94	0.94	0.93	0.93	0.93	-0.43%	15,500
Sep 29, 2026	0.93	0.94	0.93	0.94	0.94	-	10,000
Sep 28, 2026	0.94	0.94	0.94	0.94	0.94	0.43%	4,000
Sep 27, 2026	0.94	0.94	0.93	0.93	0.93	-0.43%	11,000
Sep 24, 2026	0.94	0.94	0.94	0.94	0.94	0.75%	6,000
Sep 23, 2026	0.93	0.93	0.93	0.93	0.93	-0.22%	14,000
Sep 22, 2026	0.93	0.93	0.93	0.93	0.93	0.65%	4,500
Sep 21, 2026	0.93	0.93	0.92	0.92	0.92	-0.65%	57,655
Sep 20, 2026	0.93	0.93	0.93	0.93	0.93	-	46,905
Sep 17, 2026	0.91	0.94	0.91	0.93	0.93	2.20%	25,536
Sep 16, 2026	0.91	0.91	0.91	0.91	0.91	-	2,000
Sep 15, 2026	0.91	0.91	0.91	0.91	0.91	-	17,036
Sep 14, 2026	0.92	0.92	0.91	0.91	0.91	-1.09%	215,836
Sep 13, 2026	0.92	0.92	0.92	0.92	0.92	1.10%	9,431
Sep 10, 2026	0.91	0.91	0.91	0.91	0.91	-	30,000
Sep 9, 2026	0.91	0.91	0.91	0.91	0.91	0.11%	10,891
Sep 8, 2026	0.92	0.92	0.91	0.91	0.91	-0.44%	31,000
Sep 7, 2026	0.92	0.92	0.91	0.91	0.91	-0.22%	19,810
Sep 6, 2026	0.92	0.92	0.92	0.92	0.92	-	9,000
Sep 3, 2026	0.92	0.92	0.92	0.92	0.92	-	-
Sep 2, 2026	0.91	0.92	0.91	0.92	0.92	1.67%	20,000
Sep 1, 2026	0.90	0.90	0.90	0.90	0.90	-	20,000
Aug 31, 2026	0.90	0.90	0.90	0.90	0.90	0.11%	100,000
Aug 30, 2026	0.90	0.90	0.90	0.90	0.90	-	25,000
Aug 26, 2026	0.90	0.90	0.90	0.90	0.90	0.11%	43,000
Aug 25, 2026	0.90	0.90	0.90	0.90	0.90	-0.22%	7,000
Aug 24, 2026	0.90	0.90	0.90	0.90	0.90	-	25,172
Aug 23, 2026	0.90	0.90	0.90	0.90	0.90	0.22%	17,100
Aug 20, 2026	0.90	0.90	0.90	0.90	0.90	-0.22%	7,124
Aug 19, 2026	0.90	0.90	0.90	0.90	0.90	-	27,370
Aug 18, 2026	0.89	0.90	0.89	0.90	0.90	2.27%	260,000
Aug 17, 2026	0.88	0.88	0.88	0.88	0.88	1.15%	1,830
Aug 16, 2026	0.87	0.87	0.87	0.87	0.87	1.16%	57,718
Aug 13, 2026	0.86	0.86	0.86	0.86	0.86	-	105,000
Aug 12, 2026	0.86	0.86	0.86	0.86	0.86	0.47%	3,130
Aug 11, 2026	0.86	0.86	0.86	0.86	0.86	0.47%	10,530
Aug 10, 2026	0.86	0.86	0.85	0.85	0.85	0.24%	29,627
Aug 9, 2026	0.85	0.85	0.85	0.85	0.85	1.07%	26,200
Aug 6, 2026	0.84	0.84	0.84	0.84	0.84	0.12%	100
Aug 5, 2026	0.84	0.84	0.84	0.84	0.84	-	1,000
Aug 4, 2026	0.84	0.84	0.84	0.84	0.84	0.12%	1,300
Aug 3, 2026	0.84	0.84	0.84	0.84	0.84	-0.24%	4,074
Aug 2, 2026	0.84	0.84	0.84	0.84	0.84	0.12%	1,000
Jul 30, 2026	0.84	0.84	0.84	0.84	0.84	0.60%	51,265