COSCIENS Biopharma Inc. SEC filings CSCIF
COSCIENS Biopharma Inc. has 917 filings in SEC EDGAR's recent list, going back to Oct 24, 2000. Its latest annual report, Form 20-F, was filed on Mar 25, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Jul 6, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 15-12G | Deregistration | Jul 6, 2026 | — |
| EFFECT | Filing | Mar 18, 2026 | — |
| EFFECT | Filing | Mar 18, 2026 | — |
| EFFECT | Filing | Mar 18, 2026 | — |
| EFFECT | Filing | Mar 18, 2026 | — |
| EFFECT | Filing | Mar 18, 2026 | — |
| 25 | Filing | Aug 26, 2025 | — |
| UPLOAD | Letter from the SEC | Jul 24, 2024 | — |
| CORRESP | Letter to the SEC | Jul 16, 2024 | — |
| UPLOAD | Letter from the SEC | Jul 5, 2024 | — |
| EFFECT | Filing | Jun 4, 2024 | — |
| EFFECT | Filing | Jun 4, 2024 | — |
| EFFECT | Filing | Jun 4, 2024 | — |
| EFFECT | Filing | May 16, 2024 | — |
| CORRESP | Letter to the SEC | May 15, 2024 | — |
| CORRESP | Letter to the SEC | Apr 29, 2024 | — |
| UPLOAD | Letter from the SEC | Feb 27, 2024 | — |
| EFFECT | Filing | May 10, 2023 | — |
| EFFECT | Filing | May 10, 2023 | — |
| EFFECT | Filing | May 10, 2023 | — |
| EFFECT | Filing | May 19, 2022 | — |
| EFFECT | Filing | May 19, 2022 | — |
| EFFECT | Filing | May 19, 2022 | — |
| EFFECT | Filing | Apr 7, 2021 | — |
| EFFECT | Filing | Apr 7, 2021 | — |
| EFFECT | Filing | Apr 7, 2021 | — |
| EFFECT | Filing | Apr 6, 2021 | — |
| CORRESP | Letter to the SEC | Apr 5, 2021 | — |
| CORRESP | Letter to the SEC | Apr 1, 2021 | — |
| UPLOAD | Letter from the SEC | Apr 1, 2021 | — |
| EFFECT | Filing | Mar 30, 2021 | — |
| EFFECT | Filing | Mar 30, 2021 | — |
| EFFECT | Filing | Mar 30, 2021 | — |
| EFFECT | Filing | Sep 14, 2020 | — |
| CORRESP | Letter to the SEC | Sep 11, 2020 | — |
| UPLOAD | Letter from the SEC | Sep 10, 2020 | — |
| EFFECT | Filing | Jul 1, 2020 | — |
| CORRESP | Letter to the SEC | Jun 30, 2020 | — |
| CORRESP | Letter to the SEC | Jun 29, 2020 | — |
| UPLOAD | Letter from the SEC | Jun 26, 2020 | — |
| EFFECT | Filing | Jun 16, 2020 | — |
| CORRESP | Letter to the SEC | Jun 15, 2020 | — |
| UPLOAD | Letter from the SEC | Jun 12, 2020 | — |
| D | Filing | Mar 2, 2020 | — |
| D | Filing | Oct 1, 2019 | — |
| EFFECT | Filing | Aug 15, 2019 | — |
| CORRESP | Letter to the SEC | Aug 13, 2019 | — |
| UPLOAD | Letter from the SEC | Aug 6, 2019 | — |
| 8-A12B/A | Filing | May 9, 2019 | — |
| UPLOAD | Letter from the SEC | Mar 25, 2019 | — |
| CORRESP | Letter to the SEC | Mar 12, 2019 | — |
| UPLOAD | Letter from the SEC | Feb 25, 2019 | — |
| CORRESP | Letter to the SEC | Jan 18, 2019 | — |
| UPLOAD | Letter from the SEC | Dec 20, 2018 | — |
| CORRESP | Letter to the SEC | Dec 3, 2018 | — |
| CORRESP | Letter to the SEC | Nov 27, 2018 | — |
| UPLOAD | Letter from the SEC | Nov 7, 2018 | — |
| CORRESP | Letter to the SEC | Oct 9, 2018 | — |
| CORRESP | Letter to the SEC | Sep 21, 2018 | — |
| UPLOAD | Letter from the SEC | Sep 13, 2018 | — |
| CORRESP | Letter to the SEC | Aug 14, 2018 | — |
| UPLOAD | Letter from the SEC | Aug 2, 2018 | — |
| EFFECT | Filing | Apr 27, 2017 | — |
| CORRESP | Letter to the SEC | Apr 25, 2017 | — |
| CORRESP | Letter to the SEC | Apr 24, 2017 | — |
| UPLOAD | Letter from the SEC | Apr 21, 2017 | — |
| 8-A12B | Filing | Apr 14, 2017 | — |
| CORRESP | Letter to the SEC | Apr 13, 2017 | — |
| UPLOAD | Letter from the SEC | Apr 7, 2017 | — |
| SUPPL | Filing | Oct 28, 2016 | — |
| EFFECT | Filing | Jan 13, 2016 | — |
| SUPPL | Filing | Dec 9, 2015 | — |
| SUPPL | Filing | Dec 9, 2015 | — |
| CT ORDER | Filing | May 4, 2015 | — |
| SUPPL | Filing | Mar 6, 2015 | — |
| SUPPL | Filing | Mar 5, 2015 | — |
| EFFECT | Filing | Mar 28, 2014 | — |
| EFFECT | Filing | Mar 17, 2014 | — |
| SUPPL | Filing | Jan 9, 2014 | — |
| SUPPL | Filing | Jan 9, 2014 | — |
| SUPPL | Filing | Nov 20, 2013 | — |
| SUPPL | Filing | Nov 19, 2013 | — |
| SUPPL | Filing | Jul 25, 2013 | — |
| SUPPL | Filing | May 22, 2013 | — |
| SUPPL | Filing | Oct 15, 2012 | — |
| SUPPL | Filing | Oct 12, 2012 | — |
| UPLOAD | Letter from the SEC | Oct 10, 2012 | — |
| CORRESP | Letter to the SEC | Sep 12, 2012 | — |
| UPLOAD | Letter from the SEC | Aug 31, 2012 | — |
| EFFECT | Filing | Jun 11, 2012 | — |
| CT ORDER | Filing | May 16, 2012 | — |
| SUPPL | Filing | Jan 24, 2012 | — |
| SUPPL | Filing | Jun 30, 2011 | — |
| UPLOAD | Letter from the SEC | Oct 20, 2010 | — |
| CT ORDER | Filing | Sep 1, 2010 | — |
| CORRESP | Letter to the SEC | Aug 6, 2010 | — |
| CORRESP | Letter to the SEC | Jul 22, 2010 | — |
| EFFECT | Filing | Jul 21, 2010 | — |
| UPLOAD | Letter from the SEC | Jul 8, 2010 | — |
| CT ORDER | Filing | May 11, 2010 | — |
| EFFECT | Filing | Mar 16, 2010 | — |
| SUPPL | Filing | Oct 20, 2009 | — |
| SUPPL | Filing | Jun 19, 2009 | — |
| EFFECT | Filing | Oct 1, 2007 | — |
Showing 104 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Perfumes, Cosmetics & Other Toilet Preparations (SIC 2844)
- Listed as
- CSCIF (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- Ontario, Canada
- Headquarters
- Toronto, Ontario, Canada
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1113423
- Former names
- Aeterna Zentaris Inc. (until Aug 7, 2024); AETERNA LABORATORIES INC (until May 25, 2004)
Other Perfumes, Cosmetics & Other Toilet Preparations companies
- Colgate Palmolive Co CL
- Haleon plc HLN
- Estee Lauder Companies Inc EL
- e.l.f. Beauty, Inc. ELF
- Interparfums Inc IPAR
- Coty Inc. COTY
- EDGEWELL PERSONAL CARE Co EPC
- Oddity Tech Ltd ODD
All 22 Perfumes, Cosmetics & Other Toilet Preparations companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.