# EDGAR Filing Document

**Accession Number:** 0001719406
**File Stem:** 9999999995-25-003879
**Filing Date:** 2025-12
**Character Count:** 1450
**Document Hash:** e3dd64bc29f06136ae72dcbe8e7cfed8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-003879.hdr.sgml**: 20251223

**ACCESSION NUMBER**: 9999999995-25-003879

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251222

**DATE AS OF CHANGE**: 20251223

**EFFECTIVENESS DATE**: 20251222

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NRX Pharmaceuticals, Inc.
- **CENTRAL INDEX KEY:** 0001719406
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 822844431
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-288205
- **FILM NUMBER:** 251594560

**BUSINESS ADDRESS:**
- **STREET 1:** 1201 ORANGE STREET
- **STREET 2:** SUITE 600
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19801
- **BUSINESS PHONE:** 484-254-6134

**MAIL ADDRESS:**
- **STREET 1:** 1201 ORANGE STREET
- **STREET 2:** SUITE 600
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19801

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Big Rock Partners Acquisition Corp.
- **DATE OF NAME CHANGE:** 20171012

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** December 22, 2025

**Time:** 17:00:00

**Form Type:** S-3

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**CIK:** 0001719406

**Company Name:** NRX Pharmaceuticals, Inc.

**File Number:** 333-288205