secwatch.observer — SEC 8-K summary ====================================== Issuer: Alto Neuroscience, Inc. (ANRO) CIK: 0001999480 Form: 8-K Filed at: 2026-05-28T12:18:14+00:00 Accession: 0001999480-26-000016 Event type: leadership Sentiment: neutral Materiality: 0.50 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Alto Neuroscience appoints Andrew Miller to board; former Karuna Therapeutics president -------------------------------------------------------------------------------- - Andrew Miller, Ph.D., appointed to board effective May 27, 2026, filling vacancy after board size increased to seven. - Miller founded Karuna Therapeutics and served as President of R&D until its acquisition by Bristol Myers Squibb in March 2024. - Appointed to the Nominating and Corporate Governance Committee, replacing Christopher Nixon Cox. - Initial option grant for up to 48,200 shares (Black-Scholes value ≤$400k); annual retainer $40k plus $5k for NCGC service. - Board determined Miller is independent under NYSE and SEC rules. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1999480/000199948026000016/0001999480-26-000016-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1999480/000199948026000016/alto-20260527.htm HTML page: https://secwatch.observer/filing/0001999480-26-000016 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer