• Alto Neuroscience President and CFO Nicholas Conrad Smith cut his common-stock stake to 24,060 shares.
• Sales totaled 134,886 shares on Sept. 29-30 at prices including USD 26.5826, USD 25.7786, USD 26.87.
• He exercised employee stock options for 134,886 shares at USD 2.35 over the same two days.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Alto Neuroscience Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0002009130-26-000004), on October 01, 2026, and is solely responsible for the information contained therein.