CVM Opens Sanctioning Process Against Banco do Brasil CEO Over Optimistic Remarks

Overview

• The CVM instituted a formal administrative sanctioning process on Monday, August 17, 2026, with an accusation already formulated against Banco do Brasil president Tarciana Medeiros and VP Marco Geovanne Tobias.
• The probe traces back to ofício 181/2025 and public comments during the bank's Q2 2025 results call when Medeiros told investors “whoever has BB shares, hold; whoever does not, buy” and Tobias called it an “excellent time to enter.”
• Regulators say those remarks may have violated article 15 of Resolução CVM nº 80/2022, which requires companies to disclose information that is true, complete and not likely to mislead investors.
• Banco do Brasil has said it will provide clarifications once it reviews the full process record, maintains the comments were contextual and based on public information, and that formal notifications to the executives are expected in the coming days.
• The case could set a precedent on how Brazil's regulator treats executives' public commentary and may affect company disclosure practices and investor behavior, especially given reported moves in BB's share price between August 2025 and August 2026.