Initial Statement of Beneficial Ownership of Securities

This filing is an initial statement of beneficial ownership of securities for Aristides P. Pittas, Vice Chairman of EUROSEAS LTD. (ESEA). The filing details direct and indirect ownership of common stock. Directly, Mr. Pittas owns 22,898 shares. Indirectly, he holds shares through various entities: Friends Investment Company Inc. (9,972 shares), Containers Shareholders Trinity Ltd. (294,469 shares), and Family United Ltd. (58,050 shares). Additionally, 71,477 shares are owned by his wife through Family United Ltd. and Friends Investment Ltd. The filing also notes 4,650 shares of unvested incentive stock awards, with specific vesting dates in 2026 and 2027. Mr. Pittas disclaims beneficial ownership of certain shares except to the extent of his pecuniary interest.