COSCIENS Biopharma Inc.
Perfumes, Cosmetics & Other Toilet Preparations · TORONTO
High confidence (85%)
Updated Oct 6, 2026, 12:05 AM
What is happening
Derived by rule set status-rules-2026.09.7
The company deregistered its securities and stopped filing with the SEC. Companies do that when they are acquired, when they go private, and when they fail; the filing does not say which.
Latest material event: COSCIENS Biopharma Inc. deregistered its securities (Jul 6, 2026)
Timeline
Every material event, newest first. History is never overwritten.
COSCIENS Biopharma Inc. deregistered its securities
Jul 6, 2026
Registration withdrawn
- SEC EDGAR — “15-12G 1 form15-12g.htm 15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 Certification and Notice of Termination of Registration under Section 12(g) of the Securities Exchange Act of 1934 or Suspension of Duty to File Reports Under Sections 13 and 15(d) of the Securities Exchange Act of 1934. Commission File Number: 001-38064 COSCIENS Biopharma Inc. (Exact name of registrant as specified in its charter) c/o Borden Ladner Gervais, LLP, 22 Adelaide Street West, Suite 3400, Toronto ON M5H 4E3 (843) 900-3223 (Address, including zip code, and telephone number,…”
Company information
- Founded
- —
- Employees (estimate)
- —
- Industry
- Perfumes, Cosmetics & Other Toilet Preparations
- Subindustry
- —
- Listing
- SEC lists the tickers CSCID and CSCIF on OTC.
- SEC CIK
- 0001113423
- Website
- —
- —
- Headquarters
- TORONTO
- Also known as
- AETERNA LABORATORIES INC, Aeterna Zentaris Inc.
- Legal entities
- COSCIENS Biopharma Inc.
Sources
Every material source used to build this profile.
SEC Company Submissions (TIER 1 · UNVERIFIED)
COSCIENS Biopharma Inc. — Perfumes, Cosmetics & Other Toilet Preparations (SIC 2844) — TORONTO, Ontario, Canada
View source recordSEC EDGAR (TIER 1 · UNVERIFIED)
15-12G 1 form15-12g.htm 15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 Certification and Notice of Termination of Registration under Section 12(g) of the Securities Exchange Act of 1934 or Suspension of Duty to File Reports Under Sections 13 and 15(d) of the Securities Exchange Act of 1934. Commission File Number: 001-38064 COSCIENS Biopharma Inc. (Exact name of registrant as specified in its charter) c/o Borden Ladner Gervais, LLP, 22 Adelaide Street West, Suite 3400, Toronto ON M5H 4E3 (843) 900-3223 (Address, including zip code, and telephone number,…
View source record
Status history
Every derived status, with the rule that produced it.
- NO_LONGER_LISTED → NO_LONGER_LISTEDPUBLIC_LISTING_ENDED · Sep 18, 2026, 01:29 AM
The company deregistered its securities and stopped filing with the SEC. Companies do that when they are acquired, when they go private, and when they fail; the filing does not say which.
- DISTRESS_SIGNAL → NO_LONGER_LISTEDPUBLIC_LISTING_ENDED · Sep 18, 2026, 01:12 AM
The company deregistered its securities and stopped filing with the SEC. Companies do that when they are acquired, when they go private, and when they fail; the filing does not say which.
- DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 15, 2026, 12:33 PM
The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.
- DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 14, 2026, 04:46 PM
The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.
- DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 11, 2026, 12:03 AM
The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.
- UNKNOWN → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 8, 2026, 03:17 AM
The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.