QuickLinks -- Click here to rapidly navigate through this document

FORM 6-K

SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

Report of Foreign Private Issuer
Pursuant to Rule 13a - 16 or 15d - 16 of
the Securities Exchange Act of 1934

For the month of: February, 2021                                                               Commission File Number: 1-12384

SUNCOR ENERGY INC.
(Name of registrant)

150 - 6th Avenue S.W.
P.O. Box 2844
Calgary, Alberta
Canada, T2P 3E3

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):                         



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.

  SUNCOR ENERGY INC.

Date:

 

By:

 

/s/ SHAWN POIRIER


February 3, 2021

      Shawn Poirier
Assistant Corporate Secretary


EXHIBIT INDEX

Exhibit   Description of Exhibit
  99.1   Report to Shareholders for the fourth quarter ended December 31, 2020



QuickLinks

SIGNATURES
EXHIBIT INDEX
Suncor Energy (NYSE:SU)
Historical Stock Chart
From Mar 2024 to Apr 2024 Click Here for more Suncor Energy Charts.
Suncor Energy (NYSE:SU)
Historical Stock Chart
From Apr 2023 to Apr 2024 Click Here for more Suncor Energy Charts.