COSCIENS Biopharma Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
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
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