COSCIENS Biopharma Inc 6-K, filed Oct 7, 2020

UNITEDSTATES

SECURITIESAND EXCHANGE COMMISSION

Washington,D.C. 20549

FORM6-K

REPORTOF FOREIGN PRIVATE ISSUER

PURSUANTTO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of October 2020

Commission File Number: 001-38064

AeternaZentaris Inc.

(Translation of registrant’s name into English)

315Sigma Drive, Summerville, South Carolina, USA 29486

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F [X] Form 40-F [  ]

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

Exhibits 99.1 and 99.2 included with this report on Form 6-K are hereby incorporated by reference into the Registrant’s Registration Statements on Form F-3 (File No. 333-232935) and Forms S-8 (File Nos. 333-224737, 333-210561, 333-200834) and shall be deemed to be a part thereof from the date on which this report is furnished, to the extent not superseded by documents or reports subsequently filed or furnished.

DOCUMENTSINDEX

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Exhibit 99.1

Exhibit 99.2