COSCIENS Biopharma Inc. Form 20-F: Annual report of foreign private issuer
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2026-03-25: Form 20-F; Period of report 2025-12-31; Description 20-F; Document form20-f.htm.
- 2025-04-09: Form 20-F; Period of report 2024-12-31; Description Annual report of foreign private issuer; Document form20-f.htm.
- 2024-03-27: Form 20-F; Period of report 2023-12-31; Description Annual report of foreign private issuer; Document form20-f.htm.
- 2023-03-23: Form 20-F; Period of report 2022-12-31; Description Annual report of foreign private issuer; Document form20-f.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2026-03-25 | 20-F | 2025-12-31 | 20-F | form20-f.htm |
| 2025-04-09 | 20-F | 2024-12-31 | Annual report of foreign private issuer | form20-f.htm |
| 2024-03-27 | 20-F | 2023-12-31 | Annual report of foreign private issuer | form20-f.htm |
| 2023-03-23 | 20-F | 2022-12-31 | Annual report of foreign private issuer | form20-f.htm |
| 2022-03-29 | 20-F | 2021-12-31 | Annual report of foreign private issuer | form20f.htm |
| 2020-03-31 | 20-F | 2019-12-31 | Annual report of foreign private issuer | form20-f.htm |
| 2019-04-01 | 20-F | 2018-12-31 | 20-F | q4-2018aezs20xf2018.htm |
| 2018-03-28 | 20-F | 2017-12-31 | AEZS 20-F 4Q2017 | q4-2017aezs20xf2017.htm |
| 2017-03-16 | 20-F | 2016-12-31 | 20-F | aezs20-f2016.htm |
| 2016-03-30 | 20-F | 2015-12-31 | 20-F | aezs20-f2015.htm |
| 2015-03-17 | 20-F | 2015-03-17 | 20-F | aezs20-f2014.htm |
| 2014-03-21 | 20-F | 2013-12-31 | 20-F | aezs20-f2013.htm |
| 2013-03-22 | 20-F | 2012-12-31 | 20-F | aezs20-f2012.htm |
| 2012-03-28 | 20-F | 2011-12-31 | FORM 20-F | d319763d20f.htm |
| 2011-03-31 | 20-F | 2010-12-31 | FORM 20-F | a2203126z20-f.htm |
| 2010-03-30 | 20-F | 2009-12-31 | 20-F | a10-7220_120f.htm |
| 2009-03-30 | 20-F | 2008-03-31 | 20-F | a09-8644_120f.htm |
| 2008-03-28 | 20-F | 2007-12-31 | 20-F | a08-7856_120f.htm |