[EFFECT] COSCIENS Biopharma Inc. SEC Filing Filing Impact (Neutral) Filing Sentiment (Neutral) Form Type EFFECT AI-generated analysis. How Rhea-AI works. Not financial advice. See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google Add on Google Not now Accepted by SEC EDGAR 03/19/2026 - 12:15 AM Learn about SEC filing dates ⛶ Fullscreen UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Notice of Effectiveness Effectiveness Date: March 18, 2026 Accession Number: 0001493152-26-010120 Submission Type: POS AM CIK: 0001113423 Company Name: COSCIENS Biopharma Inc. File Number: 333-254680 Source: View Original Filing on SEC EDGAR