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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, 2026

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

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:

February 26, 2026

Shawn Poirier

Shawn Poirier

Assistant Corporate Secretary


EXHIBIT INDEX

Exhibit

  ​ ​ ​

Description of Exhibit

99.1

Suncor Energy Inc. 2025 Annual Report to Shareholders for the period ended December 31, 2025

99.2

Form 51-101F4