Table of Contents to FORM S-3 on FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 KORRO BIO, INC. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) As filed with the Securities and Exchange Commission on December 20, 2023 Registration No. 333-275353 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 2 Delaware 2834 47-2324450 (Primary Standard Industrial Classification Code No.) One Kendall ...