---
title: "COSCIENS Biopharma (CSCI) news: delisting"
url: "https://aibio.space/companies/cosciens-biopharma/"
publisher: "aibio.space (Biotech Investor Relations News)"
summary: "CSCI delisting news: COSCIENS Biopharma, delisted from Nasdaq in September, applies for OTCQB quotation. COSCIENS Biopharma Inc. (TSX: CSCI), Canada."
---

CSCI COSCIENS Biopharma Inc. TSX · Canada

# COSCIENS Biopharma (CSCI) news CSCI delisting news

Listings · 2026-07-06

## [COSCIENS Biopharma files Form 15 to end SEC reporting duties](https://aibio.space/news/cosciens-biopharma-files-form-15-end-sec-reporting-duties/)

The July 6, 2026 notice lists approximately 153 holders of record of its common shares.

## Latest COSCIENS Biopharma news

1. 2025-11-12 Listings [COSCIENS Biopharma, delisted from Nasdaq in September, applies for OTCQB quotation](https://aibio.space/news/cosciens-biopharma-delisted-nasdaq-september-applies-otcqb-quotation/) COSCIENS plans to file a Form 15-F to end its U.S. reporting and has applied for OTCQB quotation. It had $8.5 million of cash on September 30, 2025, and its net loss narrowed to $1.8 million in the quarter.
2. 2025-08-26 Listings [COSCIENS Biopharma files Form 25 to withdraw its shares from Nasdaq](https://aibio.space/news/cosciens-biopharma-files-form-25-withdraw-shares-nasdaq/) COSCIENS marked the voluntary withdrawal box on its Nasdaq Form 25. The form gives no reason, and the company's April 2025 annual report describes a failed Phase 3 trial and a shift to natural-based products.

## COSCIENS Biopharma at a glance

- **Ticker**: CSCI

- **Listing**: TSX

- **Country**: Canada

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- [Resverlogix](https://aibio.space/companies/resverlogix/) TSX: RVX
- [PreveCeutical Medical](https://aibio.space/companies/preveceutical-medical/) CSE: PREV

### Also on TSX

- [Resverlogix](https://aibio.space/companies/resverlogix/) RVX
- [Eupraxia Pharmaceuticals](https://aibio.space/companies/eupraxia-pharmaceuticals/) EPRX
- [Apotex Health](https://aibio.space/companies/apotex-health/) APTX
- [Avicanna](https://aibio.space/companies/avicanna/) AVCN
- [Knight Therapeutics](https://aibio.space/companies/knight-therapeutics/) GUD
- [Sernova Biotherapeutics](https://aibio.space/companies/sernova-biotherapeutics/) SVA

## Questions about COSCIENS Biopharma

Was COSCIENS Biopharma delisted?

Our latest story on this, dated Nov 12, 2025: "COSCIENS Biopharma, delisted from Nasdaq in September, applies for OTCQB quotation". The story links the filing or release it is based on. [Read the story](https://aibio.space/news/cosciens-biopharma-delisted-nasdaq-september-applies-otcqb-quotation/).

What is the ticker symbol of COSCIENS Biopharma?

COSCIENS Biopharma Inc. trades under the ticker CSCI on TSX.

Where is COSCIENS Biopharma listed?

COSCIENS Biopharma Inc. is listed on TSX. Our directory also records these other listings: GETTEX:ET80; LSX:A42DUX; OTC:CSCIF.

What is the SEC CIK of COSCIENS Biopharma?

The SEC Central Index Key (CIK) for COSCIENS Biopharma Inc. is 1113423. Its filings are on SEC EDGAR.

How many shares does COSCIENS Biopharma have outstanding?

3,183,330 shares as of 2025-12-31, per the cover page of its 20-F filed 2026-03-25.

Which country or territory is COSCIENS Biopharma listed under?

Our directory records COSCIENS Biopharma Inc. under Canada.

What does COSCIENS Biopharma do?

Our directory classifies COSCIENS Biopharma Inc. as: Pharmaceuticals: Major. This is a directory classification, not a description of the pipeline.

What is the ISIN of COSCIENS Biopharma?

The ISIN recorded for COSCIENS Biopharma Inc. is CA22112H2000.

Does aibio.space cover COSCIENS Biopharma?

aibio.space lists COSCIENS Biopharma Inc. among 2,820 public biotech companies and publishes its news here as stories appear.

Where is COSCIENS Biopharma incorporated?

SEC records list its state or country of incorporation as A6.

What is the latest COSCIENS Biopharma (CSCI) stock news?

Our latest story on COSCIENS Biopharma, dated Jul 6, 2026: "COSCIENS Biopharma files Form 15 to end SEC reporting duties". The July 6, 2026 notice lists approximately 153 holders of record of its common shares. [Source](https://aibio.space/news/cosciens-biopharma-files-form-15-end-sec-reporting-duties/).

How much cash does COSCIENS Biopharma have?

From our story of Nov 12, 2025: It had $8.5 million of cash on September 30, 2025, and its net loss narrowed to $1.8 million in the quarter. [Source](https://aibio.space/news/cosciens-biopharma-delisted-nasdaq-september-applies-otcqb-quotation/).

Is COSCIENS Biopharma a smaller reporting company?

SEC records list COSCIENS Biopharma Inc.'s filer category as: Non-accelerated filer.

Where is COSCIENS Biopharma headquartered?

SEC records list its business address as C/O NORTON ROSE FULBRIGHT CANADA LLP, TORONTO, Ontario, Canada, M5K 1E7.

When does COSCIENS Biopharma's fiscal year end?

COSCIENS Biopharma Inc.'s fiscal year ends on December 31, per SEC records.

## Investor discussion: COSCIENS Biopharma

Members talk about COSCIENS Biopharma (CSCI). Reader posts, not aibio.space reporting, and not investment advice.

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## Capital-markets timeline

Financings, listing notices, splits, legal actions and other investor events at COSCIENS Biopharma, newest first. Each line links the filing it comes from.

1. 2026-07-06 Listings Filed to end its SEC reporting. SEC Form 15-12G. [Source](https://www.sec.gov/Archives/edgar/data/1113423/000149315226032172/form15-12g.htm)
2. 2026-05-12 Listings Reported a reverse stock split. SEC Form 6-K. [Source](https://www.sec.gov/Archives/edgar/data/1113423/000149315226022524/ex99-1.htm)
3. 2026-03-25 Distress Reported a restructuring, a workforce reduction or a review of strategic alternatives. SEC Form 6-K. [Source](https://www.sec.gov/Archives/edgar/data/1113423/000149315226012702/ex99-1.htm)
4. 2025-11-12 Listings Reported a notice from its stock exchange about continued listing requirements. SEC Form 6-K. [Source](https://www.sec.gov/Archives/edgar/data/1113423/000149315225021770/ex99-1.htm)
5. 2025-08-26 Listings Filed to remove its shares from exchange listing. SEC Form 25. [Source](https://www.sec.gov/Archives/edgar/data/1113423/000149315225012330/form25.htm)
6. 2025-08-14 Listings Reported a notice from its stock exchange about continued listing requirements. SEC Form 6-K. [Source](https://www.sec.gov/Archives/edgar/data/1113423/000149315225012012/ex99-1.htm)
7. 2025-05-20 Listings Reported a reverse stock split. SEC Form 6-K. [Source](https://www.sec.gov/Archives/edgar/data/1113423/000164117225011814/ex99-1.htm)
8. 2025-04-09 Distress Reported substantial doubt about its ability to continue as a going concern. SEC Form 20-F. [Source](https://www.sec.gov/Archives/edgar/data/1113423/000164117225003456/form20-f.htm)

## Stock chart

Price chart and quote supplied by TradingView, delayed as the exchange requires. It loads only if you choose to show it. Information only, not investment advice. [Open TSX:CSCI on TradingView](https://www.tradingview.com/symbols/TSX-CSCI/).

## SEC filings and registration

- **SEC name**: COSCIENS Biopharma Inc.

- **CIK**: 1113423

- **Industry (SIC)**: Perfumes, Cosmetics & Other Toilet Preparations (2844)

- **US tickers**: CSCIF (OTC)

- **State or country of incorporation**: A6

- **Fiscal year ends**: December 31

- **Filer category**: Non-accelerated filer

- **Business address**: C/O NORTON ROSE FULBRIGHT CANADA LLP, TORONTO, Ontario, Canada, M5K 1E7

- **Phone**: 843-900-3201

- **Shares outstanding**: 3,183,330 as of 2025-12-31 (20-F filed 2026-03-25)

- **Former names**: Aeterna Zentaris Inc.; AETERNA LABORATORIES INC

### Recent filings (8-K and 6-K are the company's own announcements)

- [6-K](https://www.sec.gov/Archives/edgar/data/1113423/000149315226032085/form6-k.htm) filed 2026-07-06
- [6-K](https://www.sec.gov/Archives/edgar/data/1113423/000149315226029666/form6-k.htm) filed 2026-06-23
- [6-K](https://www.sec.gov/Archives/edgar/data/1113423/000149315226029205/form6-k.htm) filed 2026-06-18
- [6-K](https://www.sec.gov/Archives/edgar/data/1113423/000149315226024629/form6-k.htm) filed 2026-05-20
- [6-K](https://www.sec.gov/Archives/edgar/data/1113423/000149315226022524/form6-k.htm) filed 2026-05-12
- [6-K](https://www.sec.gov/Archives/edgar/data/1113423/000149315226022523/form6-k.htm) filed 2026-05-12
- [6-K](https://www.sec.gov/Archives/edgar/data/1113423/000149315226022001/form6-k.htm) filed 2026-05-08
- [6-K](https://www.sec.gov/Archives/edgar/data/1113423/000149315226018000/form6-k.htm) filed 2026-04-20

Source: [SEC EDGAR](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001113423), retrieved October 23, 2026. Shares outstanding is the cover-page figure from the latest periodic report. The SEC does not publish share prices.

## Listing details

COSCIENS Biopharma Inc. is a public biotech or pharmaceutical company listed on TSX under the ticker CSCI, recorded under Canada. The directory classifies it as Pharmaceuticals: Major. aibio.space tracks 2,820 public biotech companies worldwide and publishes investor news on them.

- **Company**: COSCIENS Biopharma Inc.

- **Ticker**: CSCI

- **Listing**: TSX

- **Country or territory**: Canada

- **Business scope**: Pharmaceuticals: Major

- **ISIN**: CA22112H2000

- **Other listed symbols**: GETTEX:ET80; LSX:A42DUX; OTC:CSCIF

- **Last quote in directory**: 2026-10-21

- **Directory source**: [Listing page](https://www.tradingview.com/symbols/TSX-CSCI/)

Listing facts come from our company directory, researched on October 22, 2026. A listing record does not certify that a security currently trades. [Tell us about a change](https://aibio.space/reputation/#update). Work at this company? [Claim this page](https://aibio.space/claim/).

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---
Source page: https://aibio.space/companies/cosciens-biopharma/. Facts in aibio.space stories are checked against company filings and releases; opinion is labelled. Cite as: aibio.space, "COSCIENS Biopharma (CSCI) news: delisting", 2026-10-31, https://aibio.space/companies/cosciens-biopharma/
