Amendment No. 3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Trailblazer Merger Corporation I TABLE OF CONTENTS As filed with the Securities and Exchange Commission on March 10, 2023 Registration No. 333-265914 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1/A (Exact name of registrant as specified in its charter) 87-3710376 (I.R.S. Employer Identification Number) (Address, Including Zip Code, and Telephone Number, Including Area Code, of Registrant's Principal Ex ...