COSCIENS Comments on Unusual Market Activity

Rhea-AI Summary

COSCIENS Biopharma (OTCQB: CSCIF; TSX: CSCI) issued a notice on April 7, 2026 responding to recent unusual market activity. The company said it does not normally comment on market speculation and confirmed it is not aware of any material undisclosed information that would explain the recent trading increase.

News Market Reaction – CSCIF

-21.60%

1 alert

-21.60% News Effect

On the day this news was published, CSCIF declined 21.60%, reflecting a significant negative market reaction.

Data tracked by StockTitan Argus on the day of publication.

TORONTO, ONTARIO, April 07, 2026 (GLOBE NEWSWIRE) -- COSCIENS Biopharma Inc. (TSX: CSCI) (OTCQB: CSCIF) (“COSCIENS” or the “Company”) is issuing this news release in response to unusual market activity. While the Company does not normally comment on market activity or market speculation, the Company confirms that it is not aware of any material undisclosed information relating to the Company that would account for the recent increase in trading activity in, and trading price of, the Company’s common shares.

About COSCIENS Biopharma Inc.

COSCIENS is a life science company focused on the development of natural, plant-based active ingredients, leveraging the Company’s proprietary manufacturing and extraction technologies to develop Avenanthramides and Beta Glucan active ingredients currently used in leading skincare brands worldwide. The Company’s common shares are listed on the TSX under the symbol “CSCI” and are listed and posted for trading on the OTCQB^® Venture Market under the symbol “CSCIF”. For more information, please visit COSCIENS' website at www.cosciensbio.com.

Issuer Contact:
Peter H. Puccetti
Interim CEO and Chairman of the Board
pp@cosciensbio.com

Giuliano La Fratta
Chief Financial Officer
glafratta@cosciensbio.com

Investor Contact:
IR@cosciensbio.com

FAQ

Why did COSCIENS (CSCIF) issue a notice on April 7, 2026 about unusual market activity?

To respond to recent trading moves and reassure investors about disclosure; the notice addresses unusual volume or price changes. According to COSCIENS, the company is not aware of any material undisclosed information that would explain the recent increase in trading activity or share price.

Does COSCIENS (CSCIF) say there is any undisclosed material information behind the April 7, 2026 trading spike?

No, COSCIENS explicitly stated it is not aware of any material undisclosed information behind the recent trading spike. According to COSCIENS, the company confirmed it typically does not comment on market speculation but found no internal facts to account for the trading increase.

How should investors interpret COSCIENS's (CSCIF) April 7, 2026 statement about market activity?

As a disclosure update clarifying the company has no known material undisclosed news that would explain trading changes. According to COSCIENS, the statement aims to inform the market while noting the company does not normally comment on market speculation.

Will COSCIENS (CSCIF) provide further updates after the April 7, 2026 unusual market activity notice?

COSCIENS did not announce additional planned disclosures in the notice and gave no timetable for updates. According to COSCIENS, the company confirmed its current awareness level and did not indicate any forthcoming material announcements tied to the trading activity.

Does the April 7, 2026 COSCIENS (CSCIF) notice imply regulatory concern or enforcement action?

No regulatory action was mentioned in the notice; it only addresses trading activity and disclosure awareness. According to COSCIENS, the company confirmed it is not aware of material undisclosed information and did not reference any regulator investigations or enforcement measures.