Braskem’s ownership structure is changing as IG4 Capital takes control of shares previously linked to Novonor. Petrobras remains a major shareholder, with no decision announced to sell its stake. The change comes as Braskem struggles with high debt, weak petrochemical markets and major liabilities from the Maceió mining disaster, putting fresh pressure on the Brazilian chemicals giant.
Source
https://economia.uol.com.br/noticias/redacao/2026/09/21/cvm-aprova-opa-da-braskem.ghtm