SABESP(SBS) - 2022 Q4 - Annual Report

SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K For April, 2023 (Commission File No. 1-31317) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Companhia de Saneamento Básico do Estado de São Paulo - SABESP (Exact name of registrant as specified in its charter) Form 20-F X Form 40-F ______ Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1)__. Indica ...