Ownership Filing for BRASKEM SA by Maria Leticia de Freitas Costa

This filing reports on the ownership of BRASKEM SA (BAK) by Maria Leticia de Freitas Costa. The report, dated June 8, 2026, indicates that Maria Leticia de Freitas Costa, residing in Sao Paulo, Brazil, is a director at the company. The filing is associated with a Form 3, which is an initial statement of beneficial ownership of securities. The owner signature date is June 18, 2026. The filing also notes that the reporting owner owns 1 security.