Alto Neuroscience (ANRO) Proxy filing summary

Executive summary

• Annual meeting scheduled for May 12, 2026, with virtual attendance available for shareholders of record as of March 16, 2026.

• Shareholders are encouraged to review proxy materials online before voting and can request paper or email copies if desired.

Voting matters and shareholder proposals

• Election of two Class II Director nominees, Raymond Sanchez, M.D. and Gwill York, to serve until the 2029 Annual Meeting.

• Ratification of Deloitte & Touche LLP as the independent registered public accounting firm for the year ending December 31, 2026.

• Approval of amendments to the 2024 Equity Incentive Plan and 2024 Employee Stock Purchase Plan to treat pre-funded warrants as outstanding shares for share reserve calculations under the "evergreen" feature.

• Proxies may vote on other business that arises during the meeting or any adjournment.

Board of directors and corporate governance

• Board recommends voting in favor of all director nominees and proposals presented.