Initial Statement of Beneficial Ownership

This filing is an Initial Statement of Beneficial Ownership (Form 3) for Baird Medical Investment Holdings Ltd (BDMD). The reporting owner is ExcelFin SPAC LLC, which holds 4,249,031 ordinary shares directly. This ownership is further detailed through its managing members, Grand Fortune Capital, LLC (GFC) and ExcelFin SPAC LLC. GFC holds 2,900,000 ordinary shares directly, and Grand Fortune Capital (HK) Company Ltd. (GFCHK) holds 2,464,985 ordinary shares directly. The footnotes clarify the ownership structure and disclaimers regarding beneficial ownership beyond pecuniary interest. The filing is signed by Goh Lin Piao on behalf of ExcelFin SPAC LLC, with a reporting date of March 18, 2026.