secwatch.observer — SEC 8-K summary ====================================== Issuer: REGENXBIO Inc. (RGNX) CIK: 0001590877 Form: 8-K Filed at: 2026-06-29T11:15:14+00:00 Accession: 0001193125-26-286825 Event type: other_material Sentiment: positive Materiality: 0.75 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 REGENXBIO doses first patient in Phase IIb/III DR trial; earns $100M milestone from AbbVie -------------------------------------------------------------------------------- - First patient dosed in Phase IIb/III NAAVIGATE trial of sura-vec for diabetic retinopathy using suprachoroidal delivery. - Triggered $100M milestone payment from AbbVie, expected in July 2026. - Phase IIb portion to enroll ~135 patients in U.S.; primary endpoint is ≥2-step DRSS improvement at one year. - To present 2.5-year ALTITUDE and 5-year subretinal data at ASRS July 2026. - Topline data from ATMOSPHERE and ASCENT pivotal trials expected Q4 2026. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1590877/000119312526286825/0001193125-26-286825-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1590877/000119312526286825/rgnx-20260623.htm HTML page: https://secwatch.observer/filing/0001193125-26-286825 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer