NEW YORK--(BUSINESS WIRE)--Oct 30, 2025-- Why: Rosen Law Firm, a global investor rights law firm, announces an investigation of potential securities claims on behalf of shareholders of Braskem S.A. (NYSE: BAK) resulting from allegations that Braskem may have issued materially misleading business information to the investing public. So What: If you purchased Braskem S.A. securities you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement. The Rosen Law Firm is preparing a class action seeking recovery of investor losses.