COSCIENS Biopharma Inc. (CSCI)
NASDAQ: CSCI · Real-Time Price · USD
3.288
+0.588 (21.79%)
At close: Aug 22, 2025, 4:00 PM
3.280
-0.008 (-0.25%)
After-hours: Aug 22, 2025, 7:39 PM EDT
COSCIENS Biopharma Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 22, 2025 | 2.65 | 3.29 | 2.55 | 3.29 | 3.29 | 21.78% | 93,792 |
| Aug 21, 2025 | 2.76 | 2.78 | 2.56 | 2.70 | 2.70 | -2.88% | 5,993 |
| Aug 20, 2025 | 2.80 | 2.80 | 2.78 | 2.78 | 2.78 | 5.70% | 3,551 |
| Aug 19, 2025 | 2.89 | 2.89 | 2.62 | 2.63 | 2.63 | -9.00% | 14,774 |
| Aug 18, 2025 | 2.89 | 2.91 | 2.70 | 2.89 | 2.89 | 1.40% | 7,116 |
| Aug 15, 2025 | 3.10 | 3.46 | 2.82 | 2.85 | 2.85 | -18.57% | 42,387 |
| Aug 14, 2025 | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | - | 1,182 |
| Aug 13, 2025 | 3.50 | 3.51 | 3.50 | 3.50 | 3.50 | -1.69% | 1,501 |
| Aug 12, 2025 | 3.59 | 3.63 | 3.47 | 3.56 | 3.56 | -0.56% | 1,588 |
| Aug 11, 2025 | 3.65 | 3.85 | 3.58 | 3.58 | 3.58 | -0.42% | 1,872 |
| Aug 8, 2025 | 3.60 | 3.60 | 3.60 | 3.60 | 3.60 | 2.25% | 1,332 |
| Aug 7, 2025 | 3.72 | 3.81 | 3.36 | 3.52 | 3.52 | -6.74% | 2,919 |
| Aug 6, 2025 | 3.91 | 4.04 | 3.77 | 3.77 | 3.77 | -2.08% | 4,633 |
| Aug 5, 2025 | 3.81 | 3.85 | 3.81 | 3.85 | 3.85 | -2.53% | 1,002 |
| Aug 4, 2025 | 4.07 | 4.07 | 3.89 | 3.95 | 3.95 | 3.40% | 3,442 |
| Aug 1, 2025 | 3.85 | 3.85 | 3.81 | 3.82 | 3.82 | -2.05% | 3,794 |
| Jul 31, 2025 | 3.89 | 3.90 | 3.89 | 3.90 | 3.90 | 2.63% | 956 |
| Jul 30, 2025 | 3.80 | 3.80 | 3.66 | 3.80 | 3.80 | -2.81% | 2,765 |
| Jul 29, 2025 | 3.90 | 3.91 | 3.90 | 3.91 | 3.91 | - | 651 |
| Jul 28, 2025 | 3.99 | 3.99 | 3.91 | 3.91 | 3.91 | 0.26% | 1,658 |
| Jul 25, 2025 | 3.90 | 3.92 | 3.90 | 3.90 | 3.90 | -1.52% | 1,108 |
| Jul 24, 2025 | 3.99 | 4.05 | 3.89 | 3.96 | 3.96 | -4.58% | 4,495 |
| Jul 23, 2025 | 4.20 | 4.20 | 3.96 | 4.15 | 4.15 | -0.95% | 8,296 |
| Jul 22, 2025 | 4.24 | 4.24 | 4.05 | 4.19 | 4.19 | - | 2,046 |
| Jul 21, 2025 | 4.21 | 4.30 | 4.19 | 4.19 | 4.19 | -3.23% | 3,577 |
| Jul 18, 2025 | 4.08 | 4.40 | 4.01 | 4.33 | 4.33 | 5.61% | 10,316 |
| Jul 17, 2025 | 3.80 | 4.10 | 3.64 | 4.10 | 4.10 | 6.77% | 19,807 |
| Jul 16, 2025 | 3.62 | 3.89 | 3.45 | 3.84 | 3.84 | 6.96% | 20,017 |
| Jul 15, 2025 | 3.52 | 3.63 | 3.47 | 3.59 | 3.59 | -0.83% | 2,042 |
| Jul 14, 2025 | 3.44 | 3.65 | 3.31 | 3.62 | 3.62 | 2.55% | 4,118 |
| Jul 11, 2025 | 3.43 | 3.53 | 3.31 | 3.53 | 3.53 | 0.57% | 3,195 |
| Jul 10, 2025 | 3.55 | 3.67 | 3.51 | 3.51 | 3.51 | -2.96% | 7,193 |
| Jul 9, 2025 | 3.65 | 3.65 | 3.47 | 3.62 | 3.62 | -0.90% | 2,888 |
| Jul 8, 2025 | 3.46 | 3.65 | 3.46 | 3.65 | 3.65 | 6.10% | 2,461 |
| Jul 7, 2025 | 3.42 | 3.46 | 3.42 | 3.44 | 3.44 | 0.88% | 4,112 |
| Jul 3, 2025 | 3.41 | 3.41 | 3.41 | 3.41 | 3.41 | - | 284 |
| Jul 2, 2025 | 3.42 | 3.46 | 3.31 | 3.41 | 3.41 | -0.58% | 2,601 |
| Jul 1, 2025 | 3.45 | 3.46 | 3.41 | 3.43 | 3.43 | 0.88% | 1,175 |
| Jun 30, 2025 | 3.25 | 3.46 | 3.25 | 3.40 | 3.40 | 1.80% | 3,463 |
| Jun 27, 2025 | 3.30 | 3.45 | 3.30 | 3.34 | 3.34 | -0.89% | 640 |
| Jun 26, 2025 | 3.40 | 3.40 | 3.37 | 3.37 | 3.37 | 0.60% | 835 |
| Jun 25, 2025 | 3.47 | 3.47 | 3.35 | 3.35 | 3.35 | 0.75% | 1,390 |
| Jun 24, 2025 | 3.38 | 3.38 | 3.33 | 3.33 | 3.33 | -1.04% | 667 |
| Jun 23, 2025 | 3.24 | 3.36 | 3.24 | 3.36 | 3.36 | 1.82% | 750 |
| Jun 20, 2025 | 3.50 | 3.50 | 2.99 | 3.30 | 3.30 | -5.42% | 1,758 |
| Jun 18, 2025 | 3.57 | 3.58 | 3.32 | 3.49 | 3.49 | -2.21% | 4,018 |
| Jun 17, 2025 | 3.52 | 3.61 | 3.52 | 3.57 | 3.57 | -3.04% | 1,760 |
| Jun 16, 2025 | 3.72 | 3.72 | 3.51 | 3.68 | 3.68 | 3.08% | 1,362 |
| Jun 13, 2025 | 3.57 | 3.57 | 3.50 | 3.57 | 3.57 | -1.24% | 5,715 |
| Jun 12, 2025 | 3.88 | 3.88 | 3.45 | 3.62 | 3.62 | 0.42% | 3,624 |