secwatch.observer — SEC 8-K summary ====================================== Issuer: NEONC TECHNOLOGIES HOLDINGS, INC. (NTHI) CIK: 0001979414 Form: 8-K Filed at: 2026-09-17T10:02:00+00:00 Accession: 0001829126-26-010156 Event type: other_material Sentiment: positive Materiality: 0.55 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 NeOnc CEO and CMO buy 160,016 shares (~$629K) after positive NEO100 Phase 2a data -------------------------------------------------------------------------------- - CEO Heshmatpour bought 35,000 shares on Sept 15, 2026 for ~$115,400 at ~$3.30/share. - Since Aug 12 Phase 2a results, CEO bought 111,000 shares (~$418,700); CMO Chen bought 49,016 shares (~$210,000). - Total insider open-market purchases by the two executives: 160,016 shares for ~$629,000. - NEO100 Phase 2a met endpoint: 6-month PFS 48.9% vs 20% benchmark (p=0.0047); median OS 26.09 months. - CEO says personal investment in NeOnc exceeds $1.5M over past year; follows $15M registered offering on Sept 9. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1979414/000182912626010156/0001829126-26-010156-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1979414/000182912626010156/neonctechnologies_8k.htm HTML page: https://secwatch.observer/filing/0001829126-26-010156 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer