secwatch.observer — SEC 8-K summary ====================================== Issuer: Tonix Pharmaceuticals Holding Corp. (TNXP) CIK: 0001430306 Form: 8-K Filed at: 2026-05-27T11:05:55+00:00 Accession: 0001493152-26-025324 Event type: other_material Sentiment: positive Materiality: 0.75 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Tonix publishes Phase 1 data for TNX-1500; shows TDAR blockade, favorable safety -------------------------------------------------------------------------------- - TNX-1500 Phase 1 data in Journal of Clinical Immunology; blocked primary TDAR at all doses (3,10,30 mg/kg). - Secondary TDAR blocked at 10 and 30 mg/kg; peak secondary reduced ~70% vs placebo at 3 mg/kg. - No serious adverse events; mild aphthous ulcers in 3 participants; half-life supports monthly IV dosing. - Phase 2 investigator-initiated kidney transplant study at MGH expected to start 2H 2026 pending FDA IND clearance. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1430306/000149315226025324/0001493152-26-025324-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1430306/000149315226025324/form8-k.htm HTML page: https://secwatch.observer/filing/0001493152-26-025324 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer