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SCHEDULE 13D/A

Beneficial Ownership Report

COSCIENS Biopharma Inc. Filed 2026-04-17 Acc 0001493152-26-017950

Documents 1

SCHEDULE 13D/A Beneficial Ownership Report , xslSCHEDULE_13D_X02/primary_doc.xml

Around this filing

2026-04-20 SC 13E3 Private Transaction by Certain Issuers
2026-04-20 6-K Report of Foreign Issuer
2026-04-17 SCHEDULE 13D/A Beneficial Ownership Report
2025-06-11 SCHEDULE 13D/A Beneficial Ownership Report

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