SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2023 (Commission File No. 1-14862 ) BRASKEM S.A. (Exact Name as Specified in its Charter) N/A (Translation of registrant's name into English) Rua Eteno, 1561, Polo Petroquimico de Camacari Camacari, Bahia - CEP 42810-000 Brazil (Address of principal executive offices) Indicate by check mark whether the registrant ...