SABESP(SBS) - 2023 Q4 - Annual Report

SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For May, 2024 (Commission File No. 1-31317) Companhia de Saneamento Básico do Estado de São Paulo - SABESP (Exact name of registrant as specified in its charter) Basic Sanitation Company of the State of Sao Paulo - SABESP (Translation of Registrant's name into English) Rua Costa Carvalho, 300 São Paulo, S.P., 05429-900 Federative Republic of Brazi ...