COSCIENS Biopharma Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
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
Feb 23, 2026	2.68	2.68	2.54	2.62	2.62	-2.24%	1,177
Feb 20, 2026	2.74	2.74	2.68	2.68	2.68	-	1,293
Feb 19, 2026	2.73	2.73	2.68	2.68	2.68	-1.11%	4,434
Feb 18, 2026	2.75	2.75	2.70	2.71	2.71	-1.81%	4,242
Feb 17, 2026	2.75	2.76	2.72	2.76	2.76	0.73%	1,888
Feb 11, 2026	2.73	2.93	2.72	2.74	2.74	0.74%	3,860
Feb 10, 2026	2.71	2.91	2.71	2.72	2.72	-6.85%	3,986
Feb 9, 2026	2.75	2.92	2.75	2.92	2.92	6.57%	302
Feb 6, 2026	2.81	2.81	2.74	2.74	2.74	-2.49%	836
Feb 5, 2026	2.81	2.81	2.81	2.81	2.81	-4.42%	395
Feb 4, 2026	2.90	2.94	2.90	2.94	2.94	4.63%	547
Feb 3, 2026	2.81	2.81	2.81	2.81	2.81	-1.40%	116
Feb 2, 2026	2.93	2.93	2.80	2.85	2.85	1.06%	2,235
Jan 30, 2026	2.80	2.82	2.80	2.82	2.82	0.71%	1,501
Jan 29, 2026	2.80	2.80	2.80	2.80	2.80	-	100
Jan 28, 2026	2.82	2.82	2.80	2.80	2.80	-	1,279
Jan 27, 2026	2.82	2.82	2.80	2.80	2.80	-2.78%	1,198
Jan 26, 2026	3.00	3.00	2.83	2.88	2.88	0.35%	4,637
Jan 23, 2026	2.94	2.94	2.87	2.87	2.87	-3.69%	1,100
Jan 21, 2026	2.82	2.98	2.82	2.98	2.98	-	351
Jan 20, 2026	2.90	2.98	2.89	2.98	2.98	1.36%	2,136
Jan 19, 2026	2.94	2.94	2.94	2.94	2.94	-3.29%	128
Jan 15, 2026	3.04	3.04	3.04	3.04	3.04	0.33%	250
Jan 14, 2026	2.92	3.04	2.92	3.03	3.03	3.77%	3,200
Jan 13, 2026	2.92	2.92	2.92	2.92	2.92	-	210
Jan 12, 2026	2.91	2.92	2.91	2.92	2.92	-3.95%	6,660
Jan 9, 2026	2.92	3.04	2.92	3.04	3.04	1.00%	789
Jan 8, 2026	3.10	3.10	3.01	3.01	3.01	4.15%	315
Jan 6, 2026	2.89	2.89	2.89	2.89	2.89	-0.34%	1,461
Jan 5, 2026	3.01	3.01	2.89	2.90	2.90	-	1,142
Jan 2, 2026	2.90	2.90	2.90	2.90	2.90	2.11%	122
Dec 31, 2025	2.81	2.85	2.81	2.84	2.84	0.71%	1,915