As filed with the Securities and Exchange Commission on March 19, 2026 Registration No. 333-291803 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ____________________ Papa Medical Inc. (Exact name of Registrant as specified in its charter) ____________________ | Delaware | 2111 | 99-0986423 | | --- | --- | --- | | (State or other jurisdiction of | (Primary Standard Industrial | (I.R.S. Employer | | i ...