6-K

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 June 2026

Commission File Number: 1-32754

BAYTEX ENERGY CORP.

(Exact name of registrant as specified in its charter)

2800, 520 – 3rd AVENUE S.W.

CALGARY, ALBERTA, CANADA

T2P 0R3

(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.

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

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):

EXPLANATORY NOTE

This Report on Form 6-K is being filed by Baytex Energy Corp. in order to change the name and address of the Agent for Service of Process for Baytex Energy Corp. for its Registration Statement on Form F-3 (File No. 333-273020) and Registration Statement on Form S-8 (File No. 333-272971) (collectively, the “Registration Statements”).

The new Agent for Service of Process for the Registration Statements is as follows:

Puglisi & Associates

850 Library Avenue, Suite 204

Newark, Delaware 19711

Telephone: (302) 738-6680

This Report on Form 6-K is hereby incorporated by reference into the Registration Statements.

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.

Dated: June 26, 2026