Stock listing
TSX:CSCI COSCIENS Biopharma Inc. Stock
Home listing (TSX) of COSCIENS Biopharma Inc.
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Share price · TSX:CSCI
$8.50 CAD +0.10 (+1.2%)
Close on Nov 2, 2026
- Day range
- $8.50 – $8.50 CADNov 2, 2026
- Volume
- 202 sharesNov 2, 2026
- Market cap
- $8.48M CADAt the close on Nov 2, 2026 · price × 997,219 shares outstanding
- 52-week range
- $3.30 – $14.80 CADLowest and highest trades, Nov 3, 2025 – Nov 2, 2026
- Traded on an average day
- $6,792 CADMedian day 552 shares · last 3 months, Aug 4, 2026 – Nov 2, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| TSX:CSCI · Home | $8.50 CAD | +0.10 (+1.2%) | 202 | $8.50 | $8.50 | $8.50 | $8.40 | Close on Nov 2, 2026 |
| OTC:CSCIF | $6.10 USD | -0.15 (-2.4%) | — | $6.10 | $6.10 | $6.10 | $6.25 | Close on Oct 27, 2026 |
Daily closes
Last 3 months, Aug 4, 2026 – Nov 2, 2026 · TSX:CSCI · CAD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $8.50 | +0.10 | +1.2% | $8.50 | $8.50 | $8.50 | 202 | |
| $8.40 | -0.60 | -6.7% | $8.75 | $8.75 | $8.40 | 300 | |
| $9.00 | +0.20 | +2.3% | $8.80 | $9.15 | $8.80 | 1,000 | |
| $8.80 | +0.32 | +3.8% | $8.45 | $9.15 | $8.45 | 1,006 | |
| $8.48 | -0.22 | -2.5% | $8.48 | $8.48 | $8.48 | 108 | |
| $8.70 | +0.08 | +0.9% | $8.70 | $8.70 | $8.70 | 101 | |
| $8.62 | +0.02 | +0.2% | $8.72 | $8.72 | $8.62 | 262 | |
| $8.60 | -0.18 | -2.1% | $8.60 | $8.60 | $8.60 | 100 | |
| $8.78 | -0.38 | -4.1% | $8.78 | $8.78 | $8.78 | 356 | |
| $9.16 | +0.26 | +2.9% | $9.16 | $9.16 | $9.16 | 100 | |
| $8.90 | -0.70 | -7.3% | $9.50 | $9.50 | $8.90 | 1,700 | |
| $9.60 | -0.10 | -1.0% | $9.60 | $9.60 | $9.60 | 101 | |
| $9.70 | +0.10 | +1.0% | $9.80 | $9.80 | $9.70 | 350 | |
| $9.60 | -0.29 | -2.9% | $9.60 | $9.60 | $9.60 | 168 | |
| $9.89 | +0.71 | +7.7% | $9.28 | $9.89 | $9.28 | 709 | |
| $9.18 | +0.48 | +5.5% | $8.88 | $9.94 | $8.88 | 1,702 | |
| $8.70 | -0.18 | -2.0% | $8.76 | $8.76 | $8.70 | 1,603 | |
| $8.88 | +0.13 | +1.5% | $8.88 | $8.88 | $8.88 | 100 | |
| $8.75 | -0.50 | -5.4% | $9.10 | $9.10 | $8.75 | 732 | |
| $9.25 | +0.65 | +7.6% | $8.96 | $9.25 | $8.96 | 211 | |
| $8.60 | +0.21 | +2.5% | $8.50 | $10.00 | $8.40 | 3,803 | |
| $8.39 | +0.39 | +4.9% | $7.51 | $8.39 | $7.51 | 500 | |
| $8.00 | +0.50 | +6.7% | $7.58 | $8.20 | $7.58 | 2,343 | |
| $7.50 | -0.10 | -1.3% | $7.50 | $7.50 | $7.50 | 408 | |
| $7.60 | +0.15 | +2.0% | $7.60 | $7.60 | $7.60 | 100 | |
| $7.45 | -0.20 | -2.6% | $7.46 | $7.46 | $7.45 | 200 | |
| $7.65 | +0.04 | +0.5% | $7.99 | $8.00 | $7.65 | 1,952 | |
| $7.61 | 0.00 | 0.0% | $7.51 | $7.61 | $7.51 | 1,000 | |
| $7.61 | +0.21 | +2.8% | $7.61 | $7.61 | $7.61 | 501 | |
| $7.40 | -0.10 | -1.3% | $7.50 | $7.50 | $7.40 | 1,706 | |
| $7.50 | +0.25 | +3.4% | $7.50 | $7.50 | $7.50 | 100 | |
| $7.25 | -0.05 | -0.7% | $7.25 | $7.25 | $7.25 | 138 | |
| $7.30 | -0.20 | -2.7% | $7.30 | $7.30 | $7.10 | 1,626 | |
| $7.50 | +0.26 | +3.6% | $7.40 | $7.50 | $7.40 | 1,001 | |
| $7.24 | -0.06 | -0.8% | $7.26 | $7.26 | $7.24 | 1,902 | |
| $7.30 | -0.65 | -8.2% | $7.30 | $7.30 | $7.30 | 300 | |
| $7.95 | +0.01 | +0.1% | $7.95 | $7.95 | $7.95 | 501 | |
| $7.94 | +0.60 | +8.2% | $7.50 | $7.94 | $7.50 | 810 | |
| $7.34 | -0.54 | -6.9% | $7.51 | $7.75 | $7.00 | 2,400 | |
| $7.88 | +0.02 | +0.3% | $7.86 | $7.88 | $7.86 | 786 | |
| $7.86 | +0.24 | +3.1% | $7.77 | $7.86 | $7.77 | 2,001 | |
| $7.62 | +0.37 | +5.1% | $7.72 | $7.72 | $7.62 | 900 | |
| $7.25 | +0.20 | +2.8% | $7.06 | $7.25 | $7.06 | 602 | |
| $7.05 | -0.02 | -0.3% | $7.25 | $7.25 | $7.05 | 300 | |
| $7.07 | -0.03 | -0.4% | $7.05 | $7.07 | $7.05 | 636 | |
| $7.10 | 0.00 | 0.0% | $7.00 | $8.10 | $7.00 | 1,361 |
- Ticker
- TSX:CSCI
- Asset type
- Stock
- Exchange
- TSX
- Currency
- CAD
What changed lately
Latest news release · Oct 19, 2026
COSCIENS announces new corporate presentation and provides update on convertible debenture offering
Latest deck · September 2026
Investor Presentation (September 2026)
Investor deck · 14 slides
Latest news
COSCIENS announces new corporate presentation and provides update on convertible debenture offering
Oct 19, 2026
Closed $8.78 (-4.1%) on Oct 19, 2026
COSCIENS completes second tranche of convertible debenture offering
Sep 16, 2026
Closed $7.60 (+2.0%) on Sep 18, 2026
COSCIENS acquires nualtis corp.
Sep 10, 2026
Closed $7.65 (+0.5%) on Sep 11, 2026
COSCIENS Biopharma Inc. Reports Q2 2026 Results
Aug 11, 2026
Closed $7.86 (+3.1%) on Aug 12, 2026
COSCIENS Biopharma Inc. Completes Share Capital Amendment
Jul 3, 2026
Closed $10.98 (+4.9%) on Jul 3, 2026
COSCIENS Biopharma Inc. Announces Details of Share Capital Amendment
Jun 22, 2026
Closed $8.94 (-1.0%) on Jun 23, 2026
COSCIENS Biopharma Inc. Announces Results of Shareholder Meeting and Appointment of Full-Time CEO
Jun 18, 2026
Closed $9.57 (-1.5%) on Jun 18, 2026
COSCIENS Biopharma Inc. Reports Q1 2026 Results
May 12, 2026
Closed $7.71 (-2.7%) on May 13, 2026
COSCIENS Biopharma Inc. Provides Update on its Plan to Suspend U.S. Public Company Reporting Obligations
Apr 20, 2026
Closed $8.04 (-4.3%) on Apr 20, 2026
COSCIENS Comments on Unusual Market Activity
Apr 7, 2026
Closed $9.09 (-23.9%) on Apr 8, 2026
Financings
Private placement of 15% unsecured convertible debentures
Oct 19, 2026
Tranche closed: US$12M raised
Insiders: Certain directors and officers are participating for an aggregate principal amount of approximately US$1.3 million
Use of proceeds: Together with existing cash, to pay the remaining US$6 million deferred purchase price for the Nualtis acquisition due March 2027
Tranche closed Sep 10, 2026 · Tranche closed Sep 16, 2026 · Tranche closed Oct 19, 2026
Decks
Investor Presentation (September 2026)
Investor deck · 14 slides · September 2026
Aeterna Zentaris — Investor Presentation (January 2022)
Investor deck · 30 slides · Jan 26, 2022
Aeterna Zentaris — Investor Presentation (October 2021)
Investor deck · 29 slides · Oct 7, 2021
Aeterna Zentaris — H.C. Wainwright 23rd Annual Global Investment Conference 2021
Conference · 27 slides · Sep 13, 2021
COSCIENS Biopharma Inc. on 6ix
- News releases
- 16 in the last 12 months · 229 in all · newest Oct 19, 2026 · oldest 2011
- Decks
- 7 decks · latest September 2026
Where COSCIENS Biopharma Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| TSX:CSCI · Home listing · This page | TSX | Canada | CAD |
| OTC:CSCIF | OTC | United States | USD |
| Lang & Schwarz:A40J1L | Lang & Schwarz | Germany | EUR |
| LS Exchange:A40J1L | LS Exchange | Germany | EUR |
| gettex:ET8 | gettex | Germany | EUR |
| Frankfurt:ET8 | Frankfurt | Germany | EUR |
| LSE:0UGB | LSE | United Kingdom | CAD |
| Cboe Canada:CSCI | Cboe Canada | Canada | CAD |
| Dusseldorf:ET8 | Dusseldorf | Germany | EUR |
| Munich:ET8 | Munich | Germany | EUR |
| Stuttgart:ET8 | Stuttgart | Germany | EUR |
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