NRX Pharmaceuticals, Inc. SEC filings NRXP
NRX Pharmaceuticals, Inc. has 477 filings in SEC EDGAR's recent list, going back to Oct 13, 2017. Its latest annual report, Form 10-K, was filed on Mar 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 2, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 4, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Nov 4, 2026 | Jul 28, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | Feb 17, 2026 | Jan 27, 2026 |
| 3 | Initial insider ownership | Feb 17, 2026 | Jan 27, 2026 |
| 4 | Insider transaction | Sep 10, 2025 | Apr 9, 2025 |
| 4 | Insider transaction | Sep 10, 2025 | Apr 9, 2025 |
| 4 | Insider transaction | Sep 10, 2025 | Apr 9, 2025 |
| 4 | Insider transaction | Sep 10, 2025 | Apr 9, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 21, 2025 | — |
| 3 | Initial insider ownership | Aug 21, 2025 | Aug 18, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| 4 | Insider transaction | Feb 11, 2025 | Feb 7, 2025 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 17, 2024 |
| 3 | Initial insider ownership | Nov 22, 2024 | Nov 18, 2024 |
| 3 | Initial insider ownership | Jun 26, 2024 | Jun 13, 2024 |
| 3 | Initial insider ownership | Jan 16, 2024 | Dec 28, 2023 |
| 3 | Initial insider ownership | Sep 19, 2023 | Sep 13, 2023 |
| 4 | Insider transaction | Sep 11, 2023 | Aug 30, 2023 |
| 4 | Insider transaction | Sep 11, 2023 | Aug 30, 2023 |
| 4 | Insider transaction | Aug 24, 2023 | Aug 23, 2023 |
| 4 | Insider transaction | Aug 23, 2023 | Aug 22, 2023 |
| 5 | Annual insider ownership | Feb 14, 2023 | Dec 31, 2022 |
| 4 | Insider transaction | Dec 19, 2022 | Dec 16, 2022 |
| 4 | Insider transaction | Dec 19, 2022 | Dec 16, 2022 |
| 4/A | Filing | Dec 19, 2022 | Nov 25, 2022 |
| 4 | Insider transaction | Dec 9, 2022 | Dec 7, 2022 |
| 4 | Insider transaction | Dec 1, 2022 | Nov 29, 2022 |
| 4 | Insider transaction | Nov 29, 2022 | Nov 28, 2022 |
| 4 | Insider transaction | Nov 28, 2022 | Nov 25, 2022 |
| 4/A | Ownership document | Nov 23, 2022 | Oct 21, 2022 |
| 4 | Insider transaction | Nov 22, 2022 | Oct 21, 2022 |
| 4 | Insider transaction | Nov 22, 2022 | Oct 21, 2022 |
| 4 | Insider transaction | Nov 22, 2022 | Oct 21, 2022 |
| 4 | Insider transaction | Nov 21, 2022 | Oct 21, 2022 |
| 4 | Insider transaction | Nov 18, 2022 | Nov 16, 2022 |
| 4 | Insider transaction | Nov 15, 2022 | Nov 11, 2022 |
| SC 13D | Ownership over 5% (active) | Sep 13, 2022 | — |
| 4 | Insider transaction | Aug 2, 2022 | Jul 29, 2022 |
| 3 | Initial insider ownership | Jul 22, 2022 | Jul 12, 2022 |
| 4 | Insider transaction | Jul 5, 2022 | Jul 1, 2022 |
| 3 | Initial insider ownership | Jun 29, 2022 | Jun 13, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 17, 2022 | — |
| 4 | Insider transaction | Jun 7, 2022 | Jun 3, 2022 |
| SC 13D | Ownership over 5% (active) | Jun 3, 2022 | — |
| 4/A | Ownership document | Jun 2, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 2, 2022 | Jun 1, 2022 |
| 3 | Initial insider ownership | Mar 24, 2022 | Mar 15, 2022 |
| 4 | Insider transaction | Mar 10, 2022 | Mar 8, 2022 |
| 4 | Insider transaction | Nov 2, 2021 | Aug 26, 2021 |
| 4 | Insider transaction | Nov 2, 2021 | Jul 16, 2021 |
| 4 | Insider transaction | Nov 2, 2021 | Aug 19, 2021 |
| 4 | Insider transaction | Nov 2, 2021 | Aug 16, 2021 |
| 3 | Initial insider ownership | Nov 2, 2021 | May 26, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 2, 2021 | — |
| 4 | Insider transaction | Jun 10, 2021 | May 24, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | May 24, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | May 24, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | May 24, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | May 24, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | May 24, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | May 24, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | May 24, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | May 24, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | May 24, 2021 |
| 3 | Initial insider ownership | Jun 10, 2021 | May 24, 2021 |
| 3 | Initial insider ownership | Jun 10, 2021 | May 24, 2021 |
| 3 | Initial insider ownership | Jun 10, 2021 | May 24, 2021 |
| 3 | Initial insider ownership | Jun 10, 2021 | May 24, 2021 |
| 3 | Initial insider ownership | Jun 10, 2021 | May 24, 2021 |
| 3 | Initial insider ownership | Jun 10, 2021 | May 24, 2021 |
| 3 | Initial insider ownership | Jun 10, 2021 | May 24, 2021 |
| 3 | Initial insider ownership | Jun 10, 2021 | May 24, 2021 |
| 3 | Initial insider ownership | Jun 10, 2021 | May 24, 2021 |
| 3 | Initial insider ownership | Jun 10, 2021 | May 24, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 4, 2021 | — |
| 4/A | Primary document | Jun 4, 2021 | May 24, 2021 |
| SC 13D | Ownership over 5% (active) | Jun 3, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 26, 2021 | — |
| 4 | Insider transaction | May 25, 2021 | May 24, 2021 |
| 4 | Insider transaction | May 25, 2021 | May 24, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 10, 2020 | — |
| 4 | Insider transaction | Mar 17, 2020 | Mar 13, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 10, 2020 | — |
| 3 | Initial insider ownership | Mar 6, 2020 | Feb 27, 2020 |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2019 | — |
| SC 13D | Ownership over 5% (active) | Nov 26, 2018 | — |
| 3 | Initial insider ownership | Nov 26, 2018 | Nov 17, 2018 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 21, 2018 | — |
| 4 | Insider transaction | Nov 20, 2018 | Nov 20, 2018 |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Feb 1, 2018 | — |
| SC 13D | Ownership over 5% (active) | Dec 22, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Dec 8, 2017 | — |
| 4 | Insider transaction | Dec 4, 2017 | Nov 29, 2017 |
| 3 | Initial insider ownership | Dec 4, 2017 | Nov 20, 2017 |
| 3 | Initial insider ownership | Dec 4, 2017 | Nov 20, 2017 |
| 3 | Initial insider ownership | Dec 4, 2017 | Nov 20, 2017 |
| 3 | Initial insider ownership | Dec 4, 2017 | Nov 20, 2017 |
| 3 | Initial insider ownership | Dec 4, 2017 | Nov 20, 2017 |
| 3 | Initial insider ownership | Dec 4, 2017 | Nov 20, 2017 |
| 3 | Initial insider ownership | Dec 4, 2017 | Nov 20, 2017 |
| 3 | Initial insider ownership | Dec 4, 2017 | Nov 20, 2017 |
| SC 13G | Ownership over 5% (passive) | Nov 28, 2017 | — |
Showing 116 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- NRXP (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Wilmington, DE
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1719406
- Former names
- Big Rock Partners Acquisition Corp. (until May 24, 2021)
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
- Johnson & Johnson JNJ
- AbbVie Inc. ABBV
- Merck & Co., Inc. MRK
- Novartis AG NVS
- Astrazeneca PLC AZN
- Abbott Laboratories ABT
- Novo Nordisk A S NVO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.