Form 3 Filing: Initial Statement of Beneficial Ownership

This filing is an initial statement of beneficial ownership of securities, Form 3, for Carla Alessandra Trematore, reporting owner CIK 0002112616. The issuer is BRBI BR Partners S.A. (BRBI). The reporting owner, who is also a director, has no securities owned as of the period of report, March 18, 2026. The signature date was March 31, 2026.