<SEC-DOCUMENT>0001213900-25-089523-index.html : 20250919 <SEC-HEADER>0001213900-25-089523.hdr.sgml : 20250919 <ACCEPTANCE-DATETIME>20250919160203 ACCESSION NUMBER: 0001213900-25-089523 CONFORMED SUBMISSION TYPE: 6-K PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20250919 FILED AS OF DATE: 20250919 DATE AS OF CHANGE: 20250919 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NLS Pharmaceutics Ltd. CENTRAL INDEX KEY: 0001783036 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences EIN: 000000000 STATE OF INCORPORATION: V8 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 6-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-39957 FILM NUMBER: 251326796 BUSINESS ADDRESS: ADDRESS IS A NON US LOCATION: YES STREET 1: THE CIRCLE 6 STREET 2: 8058 CITY: ZURICH PROVINCE COUNTRY: V8 BUSINESS PHONE: 41-41-618-80-00 MAIL ADDRESS: ADDRESS IS A NON US LOCATION: YES STREET 1: THE CIRCLE 6 STREET 2: 8058 CITY: ZURICH PROVINCE COUNTRY: V8 </SEC-HEADER> <DOCUMENT> <TYPE>6-K <SEQUENCE>1 <FILENAME>ea0258051-6k_nlspharma.htm <DESCRIPTION>REPORT OF FOREIGN PRIVATE ISSUER <TEXT> Document 1 - file: ea0258051-6k_nlspharma.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-16.1 <SEQUENCE>2 <FILENAME>ea025805101ex16-1_nlspharma.htm <DESCRIPTION>LETTER FROM MARCUM LLP ADDRESSED TO THE U.S. SECURITIES AND EXCHANGE COMMISSION DATED SEPTEMBER 19, 2025 <TEXT> Document 2 - file: ea025805101ex16-1_nlspharma.htm
</DOCUMENT> </SEC-DOCUMENT>