Itaú Unibanco Holding S.A. Form 6-K Summary

This Form 6-K, filed on November 4, 2025, primarily serves as a cover document referencing material information provided via an exhibit.

Key Filing Event

• Exhibit 99.1 contains the Summarized Minutes of the Meeting of the Fiscal Council held on November 4, 2025.

Investor Action Required

Investors must review Exhibit 99.1 for potential updates on internal governance, financial oversight, or strategic direction discussed by the Fiscal Council.

• The registrant confirms filing under Form 20-F requirements.

  Fiscal Council