secwatch.observer — SEC 8-K summary ====================================== Issuer: Phio Pharmaceuticals Corp. (PHIO) CIK: 0001533040 Form: 8-K Filed at: 2025-11-03T23:59:59+00:00 Accession: 0001437749-25-032662 Event type: other_material Sentiment: positive Materiality: 0.75 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Phio Pharma: INTASYL PH-762 shows 100% tumor clearance in one cSCC patient; SMC clearance safe -------------------------------------------------------------------------------- - 100% pathologic complete response in 1 of 3 cSCC patients at Day 36 in final dose cohort; >90% clearance in second, >50% in third. - Safety Monitoring Committee issued favorable review, no dose-limiting toxicities at max dose; PH-762 well tolerated across 5 cohorts. - Cumulative Phase 1b data: 6 complete, 2 near-complete, 2 partial responses among 16 cSCC patients; no clinical progression. - CEO notes PH-762 is promising non-surgical alternative for cutaneous carcinomas; trial continues to screen additional patients. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1533040/000143774925032662/0001437749-25-032662-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1533040/000143774925032662/phio20251023_8k.htm HTML page: https://secwatch.observer/filing/0001437749-25-032662 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer