secwatch.observer — SEC 8-K summary ====================================== Issuer: REGENXBIO Inc. (RGNX) CIK: 0001590877 Form: 8-K Filed at: 2026-10-16T11:00:14+00:00 Accession: 0001193125-26-423376 Event type: leadership Sentiment: neutral Materiality: 0.25 Item codes: 5.02 LLM model: deepseek-v4.1-flash:cloud@v2 REGENXBIO director Kenneth T. Mills resigns effective Oct 21; George Migausky named Chairman -------------------------------------------------------------------------------- - Kenneth T. Mills resigned from REGENXBIO's board on October 14, 2026, effective October 21, 2026, after becoming chief executive officer of another company. - The company said Mills' decision was not related to any disagreement with REGENXBIO on matters of operations, policies, or practices. - The board appointed George Migausky as Chairman of the Board in connection with Mills' departure. - Daniel Tassé stepped down as Lead Independent Director because the new Chairman is an independent director, but remains a member of the board. - Filing signed October 16, 2026 by Patrick J. Christmas II, Executive Vice President, Chief Strategy & Legal Officer. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1590877/000119312526423376/0001193125-26-423376-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1590877/000119312526423376/rgnx-20261014.htm HTML page: https://secwatch.observer/filing/0001193125-26-423376 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer