COSCIENS Biopharma Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-12-22 | 2.850 | 3.050 | 2.850 | 2.850 | 8.550 | 11,920 |
| 2025-12-19 | 3.000 | 3.020 | 2.840 | 2.860 | 8.580 | 3,306 |
| 2025-12-18 | 2.820 | 3.020 | 2.820 | 3.020 | 9.060 | 1,164 |
| 2025-12-17 | 3.020 | 3.050 | 2.860 | 2.860 | 8.580 | 5,591 |
| 2025-12-16 | 2.800 | 2.860 | 2.800 | 2.860 | 8.580 | 1,091 |
| 2025-12-15 | 2.810 | 3.030 | 2.810 | 2.860 | 8.580 | 3,899 |
| 2025-12-12 | 3.080 | 3.080 | 2.880 | 2.900 | 8.700 | 1,704 |
| 2025-12-11 | 2.870 | 2.960 | 2.870 | 2.960 | 8.880 | 2,049 |
| 2025-12-10 | 2.850 | 2.970 | 2.850 | 2.850 | 8.550 | 2,687 |
| 2025-12-09 | 2.900 | 2.900 | 2.850 | 2.850 | 8.550 | 1,913 |
| 2025-12-08 | 2.900 | 2.900 | 2.900 | 2.900 | 8.700 | 306 |
| 2025-12-05 | 2.910 | 2.910 | 2.900 | 2.900 | 8.700 | 1,122 |
| 2025-12-04 | 2.950 | 2.980 | 2.880 | 2.880 | 8.640 | 3,400 |
| 2025-12-03 | 2.910 | 2.950 | 2.910 | 2.950 | 8.850 | 959 |
| 2025-12-02 | 3.010 | 3.160 | 2.920 | 2.980 | 8.940 | 4,909 |
| 2025-12-01 | 3.010 | 3.050 | 2.830 | 2.900 | 8.700 | 9,736 |
| 2025-11-28 | 3.010 | 3.100 | 3.010 | 3.010 | 9.030 | 3,704 |
| 2025-11-27 | 2.850 | 3.290 | 2.850 | 3.290 | 9.870 | 2,354 |
| 2025-11-26 | 2.850 | 2.950 | 2.850 | 2.880 | 8.640 | 400 |
| 2025-11-25 | 2.920 | 2.950 | 2.850 | 2.850 | 8.550 | 3,673 |
| 2025-11-24 | 3.000 | 3.000 | 2.860 | 2.860 | 8.580 | 1,643 |
| 2025-11-21 | 2.890 | 3.000 | 2.860 | 3.000 | 9.000 | 697 |
| 2025-11-20 | 3.000 | 3.000 | 2.900 | 2.950 | 8.850 | 7,187 |
| 2025-11-19 | 2.960 | 3.150 | 2.960 | 2.980 | 8.940 | 6,994 |
| 2025-11-18 | 2.970 | 2.980 | 2.960 | 2.960 | 8.880 | 2,913 |
| 2025-11-17 | 3.280 | 3.280 | 2.950 | 2.950 | 8.850 | 3,152 |
| 2025-11-14 | 3.150 | 3.300 | 3.010 | 3.300 | 9.900 | 851 |
| 2025-11-13 | 3.200 | 3.200 | 3.200 | 3.200 | 9.600 | 285 |
| 2025-11-12 | 3.250 | 3.350 | 2.850 | 3.170 | 9.510 | 12,336 |
| 2025-11-11 | 3.490 | 3.500 | 3.400 | 3.500 | 10.500 | 1,300 |
| 2025-11-10 | 3.460 | 3.460 | 3.460 | 3.460 | 10.380 | 450 |
| 2025-11-07 | 3.420 | 3.420 | 3.420 | 3.420 | 10.260 | 167 |
| 2025-11-06 | 3.410 | 3.450 | 3.410 | 3.450 | 10.350 | 1,600 |
| 2025-11-05 | 3.460 | 3.460 | 3.460 | 3.460 | 10.380 | 202 |
| 2025-11-04 | 3.470 | 3.520 | 3.450 | 3.520 | 10.560 | 508 |
| 2025-11-03 | 3.570 | 3.570 | 3.570 | 3.570 | 10.710 | 535 |
| 2025-10-31 | 3.470 | 3.490 | 3.470 | 3.490 | 10.470 | 500 |
| 2025-10-30 | 3.530 | 3.590 | 3.500 | 3.580 | 10.740 | 4,316 |
| 2025-10-29 | 3.620 | 3.620 | 3.570 | 3.570 | 10.710 | 407 |
| 2025-10-28 | 3.600 | 3.620 | 3.530 | 3.530 | 10.590 | 2,752 |
| 2025-10-27 | 3.590 | 3.610 | 3.590 | 3.600 | 10.800 | 860 |
| 2025-10-24 | 3.560 | 3.560 | 3.510 | 3.510 | 10.530 | 2,410 |
| 2025-10-23 | 3.500 | 3.550 | 3.500 | 3.550 | 10.650 | 1,319 |
| 2025-10-22 | 3.580 | 3.580 | 3.580 | 3.580 | 10.740 | 430 |
| 2025-10-21 | 3.600 | 3.600 | 3.600 | 3.600 | 10.800 | 3,418 |
| 2025-10-20 | 3.670 | 3.670 | 3.650 | 3.660 | 10.980 | 401 |
| 2025-10-17 | 3.700 | 3.700 | 3.580 | 3.590 | 10.770 | 4,686 |
| 2025-10-16 | 3.580 | 3.700 | 3.570 | 3.640 | 10.920 | 5,010 |
| 2025-10-15 | 3.600 | 3.600 | 3.600 | 3.600 | 10.800 | 3,550 |
| 2025-10-14 | 3.580 | 3.630 | 3.570 | 3.580 | 10.740 | 2,709 |
| 2025-10-10 | 3.650 | 3.650 | 3.650 | 3.650 | 10.950 | 3,637 |
| 2025-10-09 | 3.600 | 3.650 | 3.580 | 3.650 | 10.950 | 3,522 |
| 2025-10-08 | 3.590 | 3.590 | 3.590 | 3.590 | 10.770 | 151 |
| 2025-10-07 | 3.580 | 3.590 | 3.580 | 3.590 | 10.770 | 1,605 |
| 2025-10-06 | 3.710 | 3.800 | 3.580 | 3.580 | 10.740 | 2,073 |
| 2025-10-03 | 3.710 | 3.710 | 3.710 | 3.710 | 11.130 | 401 |
| 2025-10-02 | 3.790 | 3.790 | 3.660 | 3.680 | 11.040 | 1,500 |
| 2025-10-01 | 3.650 | 3.800 | 3.650 | 3.800 | 11.400 | 2,473 |
| 2025-09-30 | 3.640 | 3.690 | 3.640 | 3.640 | 10.920 | 2,192 |
| 2025-09-26 | 3.460 | 3.740 | 3.460 | 3.650 | 10.950 | 3,720 |
Stock splits
No stock splits on record.
Dividends
No dividends on record.
Open, high, low and close are as traded (CAD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.