secwatch.observer — SEC 8-K summary ====================================== Issuer: NRX Pharmaceuticals, Inc. (NRXP) CIK: 0001719406 Form: 8-K Filed at: 2025-09-26T23:59:59+00:00 Accession: 0001437749-25-029907 Event type: regulatory Sentiment: positive Materiality: 0.70 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 FDA grants Suitability Petition for NRx's preservative-free ketamine, enabling ANDA re-filing -------------------------------------------------------------------------------- - FDA approved Suitability Petition for proposed strength of NRx's single-patient, preservative-free ketamine (KETAFREE™). - Currently marketed ketamine uses multi-dose vials with toxic preservative Benzethonium Chloride; KETAFREE™ is preservative-free. - Suitability Petition grant enables immediate re-filing of Abbreviated New Drug Application (ANDA) for KETAFREE™. - NRx estimates total ketamine market at $750M; product aligns with FDA/HHS policy on removing toxic preservatives. - NRx CEO noted rapid FDA response after company attended listening session with FDA Commissioner. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1719406/000143774925029907/0001437749-25-029907-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1719406/000143774925029907/nrxp20250926_8k.htm HTML page: https://secwatch.observer/filing/0001437749-25-029907 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer