SEC Form 6-K filed by Liminal BioSciences Inc.

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 September 2023

Commission File Number: 001-39131

LIMINAL BIOSCIENCES INC.

(Translation of registrant’s name into English)

440 Armand-Frappier Boulevard, Suite 300

Laval, Québec

H7V 4B4

(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   ☐ Form 40-F

INCORPORATION BY REFERENCE

This Report on Form 6-K (the “Report”) and Exhibits 99.1 and 99.2 to this Report are hereby expressly incorporated by reference into the registrant’s registration statements on Form F-3 (File nos. 333-251055, 333-245703 and 333-251065) filed with the Securities and Exchange Commission on December 1, 2020, December 2, 2020 and December 2, 2020, respectively, and the registration statement on Form S-8 (File no. 333-235692) filed with the Securities and Exchange Commission on December 23, 2019.

EXHIBIT LIST

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.