COSCIENS Biopharma Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
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
Dec 30, 2025	2.84	2.90	2.82	2.82	2.82	-1.05%	7,924
Dec 29, 2025	2.97	2.97	2.85	2.85	2.85	-5.00%	2,953
Dec 24, 2025	2.83	3.00	2.83	3.00	3.00	7.14%	5,631
Dec 23, 2025	2.86	2.92	2.80	2.80	2.80	-1.75%	8,212
Dec 22, 2025	2.85	3.05	2.85	2.85	2.85	-0.35%	11,920
Dec 19, 2025	3.00	3.02	2.84	2.86	2.86	-5.30%	3,306
Dec 18, 2025	2.82	3.02	2.82	3.02	3.02	5.59%	1,164
Dec 17, 2025	3.02	3.05	2.86	2.86	2.86	-	5,591
Dec 16, 2025	2.80	2.86	2.80	2.86	2.86	-	1,091
Dec 15, 2025	2.81	3.03	2.81	2.86	2.86	-1.38%	3,899
Dec 12, 2025	3.08	3.08	2.88	2.90	2.90	-2.03%	1,704
Dec 11, 2025	2.87	2.96	2.87	2.96	2.96	3.86%	2,049
Dec 10, 2025	2.85	2.97	2.85	2.85	2.85	-	2,687
Dec 9, 2025	2.90	2.90	2.85	2.85	2.85	-1.72%	1,913
Dec 8, 2025	2.90	2.90	2.90	2.90	2.90	-	306
Dec 5, 2025	2.91	2.91	2.90	2.90	2.90	0.69%	1,122
Dec 4, 2025	2.95	2.98	2.88	2.88	2.88	-2.37%	3,400
Dec 3, 2025	2.91	2.95	2.91	2.95	2.95	-1.01%	959
Dec 2, 2025	3.01	3.16	2.92	2.98	2.98	2.76%	4,909
Dec 1, 2025	3.01	3.05	2.83	2.90	2.90	-3.65%	9,736
Nov 28, 2025	3.01	3.10	3.01	3.01	3.01	-8.51%	3,704
Nov 27, 2025	2.85	3.29	2.85	3.29	3.29	14.24%	2,354
Nov 26, 2025	2.85	2.95	2.85	2.88	2.88	1.05%	400
Nov 25, 2025	2.92	2.95	2.85	2.85	2.85	-0.35%	3,673
Nov 24, 2025	3.00	3.00	2.86	2.86	2.86	-4.67%	1,643