Polaryx Therapeutics(PLYX) - Prospectus(update)

As filed with the Securities and Exchange Commission on January 13, 2026 Registration No. 333-291681 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 ___________________________ Polaryx Therapeutics, Inc. (Exact name of registrant as specified in its charter) ___________________________ (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Numbe ...