CGI INC. Form 6-K Filing

This report is a Form 6-K filing by CGI INC. for the month of December 2025. It includes an exhibit index with several documents: a Registration Rights Agreement dated March 14, 2025, a Form of Letter of Transmittal, a Form of Notice of Guaranteed Delivery, and the Consent of Fasken Martineau DuMoulin LLP. The filing is made pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934. CGI Inc. is incorporated in Quebec, Canada, with its principal executive office in Montreal. The company has chosen to file annual reports under Form 40-F. Exhibits 99.1, 99.2, 99.3, and 99.4 are incorporated by reference into the Registrant’s Registration Statement on Form F-10. The report is signed by Benoit Dubé, Executive Vice-President, Legal and Economic Affairs, and Corporate Secretary, on December 18, 2025.