Classification Code Number) As filed with the Securities and Exchange Commission on September 25, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 Form F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NLS PHARMACEUTICS LTD. (Exact name of registrant as specified in its charter) | Switzerland | 3841 | Not Applicable | | --- | --- | --- | | (State or other jurisdiction of | (Primary Standard Industrial | (I.R.S. Employer | incorporation or organizatio ...

As filed with the Securities and Exchange Commission on August 27, 2024 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NLS Pharmaceutics Ltd. (Exact name of registrant as specified in its charter) | Switzerland | 3841 | Not Applicable | | --- | --- | --- | | (State or other jurisdiction of | (Primary Standard Industrial | (I.R.S. Employer | | incorporation or organization) | Classification Code Numb ...

As filed with the Securities and Exchange Commission on May 29, 2024. Registration No. 333- REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NLS Pharmaceutics Ltd. (Exact name of registrant as specified in its charter) | Switzerland | 3841 | Not Applicable | | --- | --- | --- | | (State or other jurisdiction of | (Primary Standard Industrial | (I.R.S. Employer | | incorporation or organization) | Classification Code Number) | Identification Number) | | | | Puglisi & Associates | | The Circle 6 | | 85 ...