Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16 (6-k)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of May 2023

Commission File Number: 001-39034

BELLUS HEALTH INC.

(Name of registrant)

275 Armand-Frappier Blvd.

Laval, Québec

H7V 4A7

Canada

(Address of principal executive offices)

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

SIGNATURES

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.

	BELLUS Health Inc.

Date: May 11, 2023	By:	/s/ Ramzi Benamar
		Name: Ramzi Benamar Title: Chief Financial Officer

Form 6-K Exhibit Index

Exhibit Number		Document Description

99.1		Condensed Consolidated Interim Financial Statements (Unaudited) for the periods ended March 31, 2023 and 2022.

99.2		Management’s Discussion and Analysis for the three-month period ended March 31, 2023.

99.3		Form 52-109F2 Certification of Interim Filings – CEO.

99.4		Form 52-109F2 Certification of Interim Filings – CFO.