TABLE OF CONTENTS As filed with the United States Securities and Exchange Commission on November 25, 2025. Registration No. 333-289815 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Pre-Effective Amendment No. 3 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Alberta, Canada 001-40977 86-2433757 (Commission File Number) (I.R.S. Em ...