TABLE OF CONTENTS As filed with the Securities and Exchange Commission on February 5, 2024 Registration No. 333-276562 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 2 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Nuwellis, Inc. (Exact name of registrant as specified in its charter) Delaware 3845 68-0533453 (State or Other Jurisdiction of Incorporation or Organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Ident ...

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on January 30, 2024 Registration No. 333-276562 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 Nuwellis, Inc. (Exact name of registrant as specified in its charter) Delaware 3845 68-0533453 (State or Other Jurisdiction of Incorporation or Organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Ident ...

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on January 17, 2024 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Nuwellis, Inc. (Exact name of registrant as specified in its charter) (State or Other Jurisdiction of Incorporation or Organization) (Primary Standard Industrial Classification Code Number) 12988 Valley View Road Eden Prairie, Minnesota 55344 (952) 345-4200 (Add ...

As filed with the Securities and Exchange Commission on September 20, 2023 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 TABLE OF CONTENTS (Primary Standard Industrial Classification Code Number) 12988 Valley View Road Eden Prairie, Minnesota 55344 (952) 345-4200 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NUWELLIS, INC. (Exact name of registrant as specified in its charter) (State or Other Jurisdiction of Incorporation or Organization) (A ...