COSCIENS Biopharma Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 7, 2026	2.57	2.57	2.57	2.57	2.57	-1.91%	210
May 6, 2026	2.63	2.63	2.62	2.62	2.62	-0.38%	1,000
May 5, 2026	2.64	2.64	2.63	2.63	2.63	-	900
May 4, 2026	2.65	2.66	2.63	2.63	2.63	-2.59%	2,177
May 1, 2026	2.56	2.70	2.56	2.70	2.70	0.37%	3,309
Apr 30, 2026	2.57	2.69	2.56	2.69	2.69	3.86%	1,200
Apr 29, 2026	2.67	2.67	2.59	2.59	2.59	-3.00%	220
Apr 28, 2026	2.58	2.67	2.57	2.67	2.67	2.69%	969
Apr 27, 2026	2.69	2.69	2.60	2.60	2.60	-3.70%	664
Apr 24, 2026	2.70	2.70	2.70	2.70	2.70	1.50%	500
Apr 23, 2026	2.75	2.75	2.66	2.66	2.66	-3.27%	1,303
Apr 22, 2026	2.74	2.75	2.68	2.75	2.75	0.36%	1,600
Apr 21, 2026	2.66	2.74	2.65	2.74	2.74	2.24%	2,070
Apr 20, 2026	2.77	2.77	2.65	2.68	2.68	-4.29%	3,439
Apr 17, 2026	2.80	2.80	2.73	2.80	2.80	2.94%	1,905
Apr 16, 2026	2.65	2.72	2.64	2.72	2.72	3.42%	3,461
Apr 15, 2026	2.47	2.75	2.47	2.63	2.63	6.05%	2,450
Apr 14, 2026	2.68	2.83	2.47	2.48	2.48	-7.81%	2,896
Apr 13, 2026	2.75	2.87	2.69	2.69	2.69	-5.61%	2,162
Apr 10, 2026	2.86	2.86	2.85	2.85	2.85	0.71%	1,314
Apr 9, 2026	2.95	2.95	2.80	2.83	2.83	-6.60%	1,572
Apr 8, 2026	3.99	3.99	2.70	3.03	3.03	-23.87%	14,277
Apr 7, 2026	3.54	4.40	3.54	3.98	3.98	13.39%	54,187
Apr 6, 2026	2.58	3.70	2.58	3.51	3.51	53.95%	33,414
Apr 2, 2026	1.62	2.78	1.62	2.28	2.28	43.40%	14,980
Apr 1, 2026	1.30	1.59	1.30	1.59	1.59	31.40%	5,620
Mar 30, 2026	1.22	1.35	1.21	1.21	1.21	0.83%	2,523
Mar 27, 2026	1.20	1.31	1.20	1.20	1.20	4.35%	710
Mar 26, 2026	1.30	1.30	1.15	1.15	1.15	-0.86%	2,327
Mar 25, 2026	1.20	1.20	1.16	1.16	1.16	-8.66%	2,145
Mar 24, 2026	1.32	1.33	1.27	1.27	1.27	-3.79%	4,727
Mar 23, 2026	1.11	1.32	1.11	1.32	1.32	18.92%	1,539
Mar 20, 2026	1.26	1.26	1.11	1.11	1.11	0.91%	2,750
Mar 19, 2026	1.41	1.41	1.10	1.10	1.10	-26.67%	11,611
Mar 18, 2026	1.51	1.51	1.41	1.50	1.50	-0.66%	5,154
Mar 17, 2026	1.78	1.79	1.50	1.51	1.51	-15.17%	14,425
Mar 16, 2026	1.96	1.96	1.78	1.78	1.78	-9.18%	388
Mar 13, 2026	1.96	1.96	1.96	1.96	1.96	3.16%	101
Mar 12, 2026	2.01	2.09	1.90	1.90	1.90	-9.95%	809
Mar 10, 2026	1.95	2.14	1.95	2.11	2.11	-1.86%	2,065
Mar 9, 2026	2.00	2.15	1.97	2.15	2.15	6.97%	6,324
Mar 6, 2026	2.22	2.22	2.01	2.01	2.01	-4.74%	7,600
Mar 5, 2026	2.27	2.27	2.11	2.11	2.11	-6.64%	1,555
Mar 4, 2026	2.21	2.26	2.21	2.26	2.26	2.73%	305
Mar 3, 2026	2.26	2.26	2.20	2.20	2.20	-5.17%	1,113
Mar 2, 2026	2.30	2.33	2.19	2.32	2.32	-4.92%	2,052
Feb 27, 2026	2.53	2.53	2.42	2.44	2.44	-3.17%	700
Feb 26, 2026	2.52	2.52	2.43	2.52	2.52	0.40%	4,056
Feb 25, 2026	2.70	2.70	2.50	2.51	2.51	-8.06%	1,907
Feb 24, 2026	2.73	2.73	2.73	2.73	2.73	4.20%	100