COSCIENS Biopharma Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-09-26 | 3.460 | 3.740 | 3.460 | 3.650 | 10.950 | 3,720 |
| 2025-09-25 | 3.450 | 3.450 | 3.450 | 3.450 | 10.350 | 900 |
| 2025-09-24 | 3.640 | 3.750 | 3.410 | 3.410 | 10.230 | 26,179 |
| 2025-09-23 | 3.650 | 3.840 | 3.650 | 3.650 | 10.950 | 5,933 |
| 2025-09-22 | 3.620 | 3.630 | 3.580 | 3.630 | 10.890 | 1,942 |
| 2025-09-19 | 3.550 | 3.620 | 3.550 | 3.620 | 10.860 | 1,025 |
| 2025-09-18 | 3.560 | 3.570 | 3.530 | 3.550 | 10.650 | 4,910 |
| 2025-09-17 | 3.650 | 3.660 | 3.520 | 3.540 | 10.620 | 4,266 |
| 2025-09-16 | 3.640 | 3.700 | 3.580 | 3.610 | 10.830 | 2,411 |
| 2025-09-15 | 3.640 | 3.650 | 3.550 | 3.640 | 10.920 | 2,900 |
| 2025-09-12 | 3.510 | 3.650 | 3.510 | 3.640 | 10.920 | 1,300 |
| 2025-09-11 | 3.560 | 3.660 | 3.560 | 3.570 | 10.710 | 3,368 |
| 2025-09-10 | 3.560 | 3.640 | 3.550 | 3.610 | 10.830 | 3,510 |
| 2025-09-09 | 3.580 | 3.600 | 3.580 | 3.590 | 10.770 | 3,817 |
| 2025-09-08 | 3.460 | 3.670 | 3.460 | 3.510 | 10.530 | 3,062 |
| 2025-09-05 | 3.450 | 3.890 | 3.400 | 3.450 | 10.350 | 12,873 |
| 2025-09-04 | 3.800 | 3.800 | 3.350 | 3.430 | 10.290 | 26,651 |
| 2025-09-03 | 4.050 | 4.050 | 3.500 | 3.990 | 11.970 | 9,211 |
| 2025-09-02 | 4.210 | 4.210 | 4.110 | 4.110 | 12.330 | 960 |
| 2025-08-29 | 4.220 | 4.220 | 4.210 | 4.210 | 12.630 | 200 |
| 2025-08-28 | 4.490 | 4.490 | 4.180 | 4.210 | 12.630 | 1,100 |
| 2025-08-27 | 4.390 | 4.540 | 4.300 | 4.540 | 13.620 | 1,676 |
| 2025-08-26 | 4.110 | 4.110 | 4.100 | 4.100 | 12.300 | 265 |
| 2025-08-25 | 4.440 | 4.720 | 4.200 | 4.200 | 12.600 | 13,369 |
| 2025-08-22 | 3.810 | 4.500 | 3.720 | 4.500 | 13.500 | 15,556 |
| 2025-08-21 | 3.950 | 3.950 | 3.690 | 3.800 | 11.400 | 4,920 |
| 2025-08-20 | 3.840 | 3.970 | 3.830 | 3.830 | 11.490 | 2,211 |
| 2025-08-19 | 3.850 | 3.950 | 3.710 | 3.710 | 11.130 | 3,553 |
| 2025-08-18 | 3.950 | 3.950 | 3.900 | 3.900 | 11.700 | 752 |
| 2025-08-15 | 4.530 | 4.530 | 3.950 | 3.950 | 11.850 | 11,429 |
| 2025-08-14 | 4.640 | 4.640 | 4.630 | 4.630 | 13.890 | 467 |
| 2025-08-13 | 4.930 | 4.930 | 4.800 | 4.800 | 14.400 | 1,801 |
| 2025-08-12 | 4.830 | 4.830 | 4.690 | 4.690 | 14.070 | 410 |
| 2025-08-11 | 4.920 | 4.920 | 4.700 | 4.730 | 14.190 | 600 |
| 2025-08-08 | 4.840 | 4.910 | 4.840 | 4.910 | 14.730 | 200 |
| 2025-08-07 | 5.150 | 5.150 | 4.760 | 4.760 | 14.280 | 2,898 |
| 2025-08-06 | 5.240 | 5.360 | 5.200 | 5.200 | 15.600 | 5,160 |
| 2025-08-05 | 5.110 | 5.580 | 5.110 | 5.580 | 16.740 | 810 |
| 2025-08-01 | 5.290 | 5.290 | 5.120 | 5.120 | 15.360 | 2,226 |
| 2025-07-31 | 5.280 | 5.370 | 5.280 | 5.370 | 16.110 | 247 |
| 2025-07-30 | 5.280 | 5.280 | 5.200 | 5.200 | 15.600 | 201 |
| 2025-07-28 | 5.320 | 5.400 | 5.300 | 5.300 | 15.900 | 728 |
| 2025-07-25 | 5.300 | 5.310 | 5.300 | 5.310 | 15.930 | 300 |
| 2025-07-24 | 5.300 | 5.300 | 5.300 | 5.300 | 15.900 | 719 |
| 2025-07-23 | 5.700 | 5.700 | 5.260 | 5.440 | 16.320 | 7,900 |
| 2025-07-22 | 5.760 | 5.760 | 5.710 | 5.720 | 17.160 | 300 |
| 2025-07-21 | 5.970 | 6.000 | 5.660 | 5.810 | 17.430 | 1,240 |
| 2025-07-18 | 5.610 | 6.000 | 5.610 | 5.800 | 17.400 | 4,587 |
| 2025-07-17 | 5.150 | 5.500 | 5.150 | 5.420 | 16.260 | 6,977 |
| 2025-07-16 | 4.700 | 5.200 | 4.700 | 5.010 | 15.030 | 2,625 |
| 2025-07-14 | 4.720 | 4.780 | 4.710 | 4.710 | 14.130 | 376 |
| 2025-07-10 | 4.700 | 4.920 | 4.700 | 4.780 | 14.340 | 6,099 |
| 2025-07-09 | 4.980 | 4.980 | 4.710 | 4.710 | 14.130 | 1,950 |
| 2025-07-08 | 4.680 | 4.960 | 4.650 | 4.760 | 14.280 | 1,955 |
| 2025-07-07 | 4.700 | 4.750 | 4.700 | 4.750 | 14.250 | 1,200 |
| 2025-07-04 | 4.600 | 4.600 | 4.600 | 4.600 | 13.800 | 100 |
| 2025-07-03 | 4.600 | 4.700 | 4.600 | 4.700 | 14.100 | 1,366 |
| 2025-07-02 | 4.520 | 4.600 | 4.520 | 4.600 | 13.800 | 1,010 |
| 2025-06-30 | 4.600 | 4.610 | 4.570 | 4.610 | 13.830 | 1,322 |
| 2025-06-27 | 4.530 | 4.530 | 4.530 | 4.530 | 13.590 | 131 |
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.