Form 4 Filing for Banco Santander (Brasil) S.A.

This filing details transactions made by Mario Roberto Opice Leao, CEO of Banco Santander (Brasil) S.A. On June 2, 2026, Leao disposed of 36,500 units of SANB11 at a price of R$27.52 per unit (equivalent to $5.49 USD per share, based on an exchange rate of R$5.0154 per USD). Following this disposition, Leao directly owns 622,288 units. Additionally, the filing notes a purchase of 36,500 units of SANB11 at the same price, indirectly held by SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO - FUNDO DE INVESTIMENTO FINANCEIRO, which is wholly owned and controlled by Mr. Leao. This indirect holding now amounts to 36,500 units.