COSCIENS Biopharma CSCIF SEC Filings

OTC CSCIF
$6.25 -0.24 (-3.70%)
At close: Oct 21, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing COSCIENS Biopharma Inc. (CSCIF) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
115-12GOthers0001493152-26-032172Jul 6, 2026 8:30 PM
2SC 13E3Beneficial Ownership Report0001493152-26-032084Jul 6, 2026 12:30 PM
36-KCurrent Report0001493152-26-032085Jul 6, 2026 12:30 PM
4SC 13E3Beneficial Ownership Report0001493152-26-029667Jun 23, 2026 12:32 AM
56-KCurrent Report0001493152-26-029666Jun 23, 2026 12:31 AM
66-KCurrent Report0001493152-26-029205Jun 18, 2026 1:15 PM
7SC 13E3Beneficial Ownership Report0001493152-26-029198Jun 18, 2026 12:30 PM
8SC 13E3Beneficial Ownership Report0001493152-26-024635May 20, 2026 8:46 PM
96-KCurrent Report0001493152-26-024629May 20, 2026 8:38 PM
10SC 13E3Beneficial Ownership Report0001493152-26-022542May 12, 2026 9:21 PM
116-KCurrent Report0001493152-26-022524May 12, 2026 9:07 PM
126-KCurrent Report0001493152-26-022523May 12, 2026 9:05 PM
13SC 13E3Beneficial Ownership Report0001493152-26-020983May 4, 2026 1:14 AM
14SC 13E3Beneficial Ownership Report0001493152-26-018001Apr 20, 2026 12:01 PM
156-KCurrent Report0001493152-26-018000Apr 20, 2026 12:00 PM
16SCHEDULE 13DBeneficial Ownership Report0001493152-26-017950Apr 17, 2026 9:55 PM
17SCHEDULE 13DBeneficial Ownership Report0001493152-26-017950Apr 17, 2026 9:55 PM
18SCHEDULE 13DBeneficial Ownership Report0001493152-26-017950Apr 17, 2026 9:55 PM
196-KCurrent Report0001493152-26-015557Apr 7, 2026 9:07 PM
2020-FQuarterly & Annual Report0001493152-26-012703Mar 25, 2026 9:05 PM
216-KCurrent Report0001493152-26-012702Mar 25, 2026 9:05 PM
22EFFECTOthers9999999995-26-000852Mar 18, 2026 4:15 AM
23EFFECTOthers9999999995-26-000847Mar 18, 2026 4:15 AM
24EFFECTOthers9999999995-26-000845Mar 18, 2026 4:15 AM
25EFFECTOthers9999999995-26-000844Mar 18, 2026 4:15 AM
26EFFECTOthers9999999995-26-000843Mar 18, 2026 4:15 AM
27S-8 POSProspectus0001493152-26-010124Mar 13, 2026 9:30 PM
28S-8 POSProspectus0001493152-26-010123Mar 13, 2026 9:30 PM
29S-8 POSProspectus0001493152-26-010122Mar 13, 2026 9:30 PM
30POS AMOthers0001493152-26-010121Mar 13, 2026 9:29 PM
31POS AMOthers0001493152-26-010120Mar 13, 2026 9:29 PM
32S-8 POSProspectus0001493152-26-010119Mar 13, 2026 9:29 PM
33POS AMOthers0001493152-26-010116Mar 13, 2026 9:28 PM
34POS AMOthers0001493152-26-010114Mar 13, 2026 9:28 PM
35POS AMOthers0001493152-26-010110Mar 13, 2026 9:27 PM
366-KCurrent Report0001493152-26-009018Mar 5, 2026 10:10 PM
376-KCurrent Report0001493152-26-006715Feb 13, 2026 9:21 PM
386-KCurrent Report0001493152-25-025595Dec 1, 2025 10:05 PM
396-KCurrent Report0001493152-25-023633Nov 14, 2025 10:15 PM
406-KCurrent Report0001493152-25-021774Nov 12, 2025 2:00 PM
416-KCurrent Report0001493152-25-021770Nov 12, 2025 2:00 PM
4225Others0001493152-25-012330Aug 26, 2025 2:40 PM
436-KCurrent Report0001493152-25-012013Aug 14, 2025 9:20 PM
446-KCurrent Report0001493152-25-012012Aug 14, 2025 9:20 PM
456-KCurrent Report0001641172-25-017205Jun 30, 2025 9:25 PM
46SCHEDULE 13DBeneficial Ownership Report0001641172-25-014610Jun 11, 2025 10:08 AM
47SCHEDULE 13DBeneficial Ownership Report0001641172-25-014610Jun 11, 2025 10:08 AM
48SCHEDULE 13DBeneficial Ownership Report0001641172-25-014610Jun 11, 2025 10:08 AM
496-KCurrent Report0001641172-25-014361Jun 9, 2025 9:29 PM
506-KCurrent Report0001641172-25-013138Jun 2, 2025 10:58 PM
...

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