COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP reported Q1 2026 results with adjusted earnings of R$0.44 per share (up from R$0.34 in Q1 2025), and R$3.7 billion invested in capital expenditures, marking a 31% increase year-over-year. The filing date is May 7, 2026.