secwatch.observer — SEC 8-K summary ====================================== Issuer: Tonix Pharmaceuticals Holding Corp. (TNXP) CIK: 0001430306 Form: 8-K Filed at: 2026-10-02T21:20:11+00:00 Accession: 0001493152-26-045603 Event type: litigation Sentiment: negative Materiality: 0.60 Item codes: 8.01 LLM model: deepseek-v4.1-flash:cloud@v2 Tonix gets Paragraph IV notice from Dr. Reddy's on generic TONMYA; four Orange Book patents challenged -------------------------------------------------------------------------------- - Dr. Reddy's filed an ANDA with a Paragraph IV certification for a generic of TONMYA (cyclobenzaprine HCl) sublingual tablets, 2.8 mg; notice received October 1, 2026. - Certification targets four Orange Book-listed Tonix patents: U.S. Patent Nos. 9636408, 9956188, 10117936 and 10864175. - Tonix says it intends to vigorously enforce its TONMYA intellectual property against infringement but cannot predict the outcome. - Suing within 45 days of the notice would bar FDA approval of the ANDA for up to 30 months, or until patent expiry, settlement, or a decision favoring Dr. Reddy's. - Tonix states TONMYA is protected by four patents, all listed in the Orange Book; generic competition timing remains uncertain. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1430306/000149315226045603/0001493152-26-045603-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1430306/000149315226045603/form8-k.htm HTML page: https://secwatch.observer/filing/0001493152-26-045603 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer