As filed with the Securities and Exchange Commission on December 22, 2025. Registration No. 333-290750 UNITED STATES SECURITIES AND EXCHANGE COMMISSION TG-17, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of (Primary Standard Industrial (I.R.S. Employer incorporation or organization) Classification Code Number) Identification Number) Nevada 4899 83-1751618 85 Broad Street New York, New York 10004 1-888-567-6234 Washington, D.C. 20549 FORM S-1 Amendment No. 3 REGIST ...

FORM S-1 Amendment No. 1 REGISTRATION STATEMENT Under The Securities Act of 1933 TG-17, Inc. As filed with the Securities and Exchange Commission on November 12, 2025. Registration No. 333-290750 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 (Exact name of registrant as specified in its charter) (State or other jurisdiction of (Primary Standard Industrial (I.R.S. Employer incorporation or organization) Classification Code Number) Identification Number) Nevada 4899 83-1751618 85 Bro ...