QuickLinks -- Click here to rapidly navigate through this document

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
OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of May 2020

Commission File Number: 001-39240



GFL Environmental Inc.
(Translation of registrant's name into English)



100 New Park Place, Suite 500
Vaughan, Ontario, Canada L4K 0H9
(Address of principal executive office)



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

Form 20-F ý                                    Form  40-F o

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): o

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): o

   



EXHIBIT INDEX

        The following exhibit is furnished as part of this Current Report on Form 6-K.

Exhibit
Number
  Description

99.1

  Press Release, dated May 11, 2020


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.

  GFL Environmental Inc.

 

By:

 

/s/ Mindy Gilbert


    Name:   Mindy Gilbert
    Title:   Executive Vice President and General Counsel

Date: May 11, 2020




QuickLinks

EXHIBIT INDEX
SIGNATURES
GFL Environmental (NYSE:GFLU)
Historical Stock Chart
Von Mai 2024 bis Jun 2024 Click Here for more GFL Environmental Charts.
GFL Environmental (NYSE:GFLU)
Historical Stock Chart
Von Jun 2023 bis Jun 2024 Click Here for more GFL Environmental Charts.