<SEC-DOCUMENT>0000950142-22-001799-index.html : 20220601 <SEC-HEADER>0000950142-22-001799.hdr.sgml : 20220601 <ACCEPTANCE-DATETIME>20220601160132 ACCESSION NUMBER: 0000950142-22-001799 CONFORMED SUBMISSION TYPE: 424B3 PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20220601 DATE AS OF CHANGE: 20220601 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NRX Pharmaceuticals, Inc. CENTRAL INDEX KEY: 0001719406 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 822844431 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 424B3 SEC ACT: 1933 Act SEC FILE NUMBER: 333-257438 FILM NUMBER: 22987282 BUSINESS ADDRESS: STREET 1: 1201 N. MARKET STREET STREET 2: SUITE 111 CITY: WILMINGTON STATE: DE ZIP: 19801 BUSINESS PHONE: 484-254-6134 MAIL ADDRESS: STREET 1: 1201 N. MARKET STREET STREET 2: SUITE 111 CITY: WILMINGTON STATE: DE ZIP: 19801 FORMER COMPANY: FORMER CONFORMED NAME: Big Rock Partners Acquisition Corp. DATE OF NAME CHANGE: 20171012 </SEC-HEADER> <DOCUMENT> <TYPE>424B3 <SEQUENCE>1 <FILENAME>eh220257569_424b3-438.htm <DESCRIPTION>FORM 424B3 <TEXT> Document 1 - file: eh220257569_424b3-438.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>company_logo.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: company_logo.jpg
</DOCUMENT> </SEC-DOCUMENT>