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 February, 2026

Commission File No. 001-39224

TFI INTERNATIONAL INC.

(Translation of registrant’s name into English)

8801 Trans-Canada Highway, Suite 500

Saint-Laurent, Québec

H4S 1Z6 Canada

(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 ☒

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): ☐

EXHIBIT INDEX

EXHIBIT<br><br>NUMBER	EXHIBIT DESCRIPTION
99.1<br><br><br><br>99.2<br><br><br><br>99.3	Change of Auditor Notice<br><br><br><br>Letter from former auditor addressed to Canadian securities regulatory authorities<br><br><br><br>Letter from successor auditor addressed to Canadian securities regulatory authorities

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.

		TFI International Inc.
Date: February 27, 2025	By:	/s/ Josiane M. Langlois
		Name: Josiane M. Langlois
		Title: Vice-President, Legal Affairs & Corporate Secretary

EX-99.1

Exhibit 99.1

TFI INTERNATIONAL INC.

CHANGE OF AUDITOR NOTICE

TO:

Autorité des marchés financiers<br>British Columbia Securities Commission<br>Alberta Securities Commission<br>Financial and Consumer Affairs Authority of Saskatchewan<br>The Manitoba Securities Commission<br>Ontario Securities Commission<br>Financial and Consumer Services Commission, New Brunswick<br>Nova Scotia Securities Commission<br>The Office of the Superintendent of Securities, Prince Edward Island<br>Office of the Superintendent of Securities, Service Newfoundland and Labrador

AND TO:

KPMG LLP, Chartered Professional Accountants<br><br>DELOITTE LLP

TFI International Inc. (the “Corporation”) gives the following notice in accordance with section 4.11 of National Instrument 51‑102 Continuous Disclosure Obligations (“NI 51‑102”):

• The date of termination of KPMG LLP, Chartered Professional Accountants, as auditor of the Corporation is February 24, 2026.
• KPMG LLP, Chartered Professional Accountants, has not been proposed for reappointment as the auditor of the Corporation.
• The termination of KPMG LLP, Chartered Professional Accountants, as auditor of the Corporation and the nomination of Deloitte LLP as auditor of the Corporation have been considered and recommended by the Audit Committee of the Board of Directors and approved by the Board of Directors of the Corporation.
• The auditor’s report of KPMG LLP, Chartered Professional Accountants, on the Corporation’s financial statements for the fiscal years ended December 31, 2025 and December 31, 2024, respectively, did not express a modified opinion.
• There is no “reportable event”, as such term is defined in NI 51-102, in connection with the financial statements of the Corporation during the period commencing at the beginning of the Corporation’s two most recently-completed financial years and ending on the date of termination referred to above.

Dated February 27, 2026

TFI INTERNATIONAL INC.

per: (signed) Alain Bédard

Alain Bédard, Chairman of the Board

EX-99.2

Exhibit 99.2

KPMG LLP 600 de Maisonneuve Blvd West

Suite 1500, Tour KPMG

Montréal (Québec) H3A 0A3

Tel. 514-840-2100

Fax. 514-840-2187

www.kpmg.ca

To:

Autorité des marchés financiers British Columbia Securities Commission Alberta Securities Commission Financial and Consumer Affairs Authority of Saskatchewan The Manitoba Securities Commission Ontario Securities Commission Financial and Consumer Services Commission, New Brunswick Nova Scotia Securities Commission The Office of the Superintendent of Securities, Prince Edward Island Office of the Superintendent of Securities, Service Newfoundland and Labrador

February 27, 2026

Dear Sir/Madam:

Re: Notice of Change of Auditors of TFI International Inc. (the “Notice”)

We have read the Notice of TFI International Inc. dated February 27, 2026 and are in agreement with the statements contained in such Notice except that we are not in a position to agree or disagree with the TFI International Inc’s statement detailed in item 3 of the Notice.

Yours very truly,

© 2026 KPMG LLP, an Ontario limited liability partnership and a member firm of the KPMG global organization of independent member firms affiliated with KPMG International Limited, a private English company limited by guarantee. All rights reserved.

EX-99.3

Exhibit 99.3

Deloitte LLP<br><br>La Tour Deloitte<br><br>1190 Avenue des<br><br>Canadiens-de-Montréal<br><br>Suite 500<br><br>Montréal QC H3B 0M7<br><br>Canada<br><br><br><br>Tel: 514-393-7115<br><br>Fax: 514-390-4116<br><br>www.deloitte.ca

February 27, 2026

To:

Autorité des marchés financiers Alberta Securities Commission British Columbia Securities Commission Financial and Consumer Affairs Authority of Saskatchewan Manitoba Securities Commission Ontario Securities Commission Financial and Consumer Services Commission, New Brunswick Nova Scotia Securities Commission Superintendent of Securities, Department of Justice and Public Safety, Prince Edward Island Office of the Superintendent of Securities, Service Newfoundland and Labrador

Dear Sirs/Mesdames:

RE: Notice of Change of Auditor - TFI International Inc. (the “Corporation”)

As required by subparagraph (6)(a)(ii) of section 4.11 of National Instrument 51-102, we have reviewed the Change of Auditor Notice of the Corporation dated February 27, 2026 (the “Notice”) and, based on our knowledge of such information at this time, we agree with statement 3 as it relates to Deloitte LLP and we have no basis to agree or disagree with statements 1, 2, 4 and 5 contained in the Notice.

Yours truly,