COSCIENS Biopharma Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jun 18, 2026	3.02	3.20	3.02	3.19	3.19	-1.54%	6,836
Jun 17, 2026	3.12	3.25	3.11	3.24	3.24	7.28%	2,964
Jun 16, 2026	3.24	3.24	2.98	3.02	3.02	-4.13%	1,293
Jun 15, 2026	2.79	3.20	2.79	3.15	3.15	10.14%	14,845
Jun 12, 2026	2.60	2.87	2.60	2.86	2.86	1.42%	1,800
Jun 11, 2026	2.82	2.82	2.82	2.82	2.82	0.36%	1,094
Jun 10, 2026	2.85	2.85	2.81	2.81	2.81	-3.10%	448
Jun 9, 2026	2.85	3.00	2.66	2.90	2.90	7.81%	4,490
Jun 8, 2026	2.65	2.85	2.57	2.69	2.69	5.08%	4,751
Jun 5, 2026	2.56	2.56	2.56	2.56	2.56	-9.86%	309
Jun 4, 2026	2.51	2.85	2.51	2.84	2.84	3.27%	9,029
Jun 3, 2026	2.61	3.28	2.60	2.75	2.75	3.77%	6,669
Jun 2, 2026	2.61	2.85	2.50	2.65	2.65	-3.64%	3,316
Jun 1, 2026	2.95	3.01	2.75	2.75	2.75	2.23%	6,595
May 29, 2026	2.95	3.00	2.38	2.69	2.69	-6.60%	6,141
May 28, 2026	2.51	2.88	2.51	2.88	2.88	3.23%	6,038
May 27, 2026	2.56	2.84	2.52	2.79	2.79	8.98%	2,821
May 26, 2026	2.40	2.57	2.40	2.56	2.56	8.47%	1,435
May 25, 2026	2.44	2.44	2.30	2.36	2.36	-7.45%	4,479
May 22, 2026	2.55	2.55	2.55	2.55	2.55	4.51%	206
May 21, 2026	2.56	2.58	2.43	2.44	2.44	-1.61%	1,168
May 20, 2026	2.55	2.59	2.45	2.48	2.48	-0.40%	1,387
May 19, 2026	2.48	2.49	2.48	2.49	2.49	0.40%	1,001
May 15, 2026	2.46	2.48	2.46	2.48	2.48	-	923
May 14, 2026	2.51	2.51	2.48	2.48	2.48	-3.50%	1,109
May 13, 2026	2.69	2.71	2.55	2.57	2.57	-2.65%	2,604
May 11, 2026	2.67	2.67	2.58	2.64	2.64	1.93%	914
May 8, 2026	2.59	2.59	2.59	2.59	2.59	0.78%	179
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