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 2025

Commission File Number: 001-41713

ATS CORPORATION

(Translation of registrant’s name into English)

730 Fountain Street North

Building 3

Cambridge, Ontario N3H 4R7

(Address of principal executive offices)

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 ☒


INCORPORATION BY REFERENCE Exhibits 99.1 and 99.2 of this form 6-K are incorporated by reference as additional exhibits to the registrant's Registration Statements on Form F-10 (File No. 333-278270) and Form S-8 (File No. 333-273050).

EXHIBIT INDEX



99.1			Management's Discussion and Analysis of the registrant for the quarter ended December 28, 2025
99.2			Financial Statements of the registrant for the quarter ended December 28, 2025
99.3			Certification of Interim Filings - Chief Executive Officer
99.4			Certification of Interim Filings - Chief Financial Officer
99.5			Press Release dated February 4, 2026

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.

ATS CORPORATION

(Registrant)

Date: February 4, 2026

By:

/s/ Gordon Raman

Name: Gordon Raman

Title: Chief Legal Officer

ATS Corp /ATS 6-K