secwatch.observer — SEC 8-K summary ====================================== Issuer: Phio Pharmaceuticals Corp. (PHIO) CIK: 0001533040 Form: 8-K Filed at: 2026-09-14T12:59:36+00:00 Accession: 0001437749-26-030236 Event type: other_material Sentiment: positive Materiality: 0.65 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Phio submits FDA briefing package for PH-762; plans Phase 2b in cutaneous squamous cell carcinoma -------------------------------------------------------------------------------- - Submitted meeting request and comprehensive briefing package to FDA for PH-762, supporting next stage of clinical development. - Phase 1b study formally completed; planned Phase 2b neoadjuvant study in cutaneous squamous cell carcinoma. - Clinical supplies for next study expected available in Q1 2027; toxicology study dosing completed. - Nonclinical development program and integrated clinical pharmacology data included in briefing package. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1533040/000143774926030236/0001437749-26-030236-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1533040/000143774926030236/phio20260911_8k.htm HTML page: https://secwatch.observer/filing/0001437749-26-030236 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer