HEXO HEXO Corp

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 December, 2019

Commission File Number: 001-38781

HEXO Corp.

(Translation of registrant’s name into English)

490 Boulevard St-Joseph, Suite 204

Gatineau, Québec, Canada J8Y 3Y7

(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 [ X ]

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):  ☐

EXPLANATORY NOTE

Exhibit 99.1 included with this Report on Form 6-K is hereby incorporated by reference into the Registration Statement on Form F-10 of HEXO Corp. (File No. 333-228924).