{"filing":{"accession_number":"0001292814-26-003632","cik":"0001170858","ticker":"SBS","company_name":"COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP","form":"6-K","filing_date":"2026-06-30","report_date":null,"primary_document":"sbs20260630_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1170858/000129281426003632/sbs20260630_6k.htm"},"events":[{"id":15117,"run_id":13484,"accession_number":"0001292814-26-003632","anchor_item_number":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"summary":"This 6-K discloses a merger transaction in which Sabesp will acquire all shares of EMAE (a controlled company) not already held by Sabesp, with EMAE becoming a wholly owned subsidiary. The Protocol and Justification was executed on June 29, 2026, and extraordinary shareholders' meetings are scheduled for July 30, 2026, to approve the merger. The exchange ratio of 1.31950000000 Sabesp shares per EMAE share is specified, along with estimated transaction costs of approximately BRL 4.45 million. This is a material acquisition/change of control transaction requiring disclosure under Item 1.01 or 2.01 equivalent.","company_name":"COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP","ticker":"SBS","filing_date":"2026-06-30","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":12760,"accession_number":"0001292814-26-003632","item_number":null,"item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"reasoning":"This 6-K discloses a merger transaction in which Sabesp will acquire all shares of EMAE (a controlled company) not already held by Sabesp, with EMAE becoming a wholly owned subsidiary. The Protocol and Justification was executed on June 29, 2026, and extraordinary shareholders' meetings are scheduled for July 30, 2026, to approve the merger. The exchange ratio of 1.31950000000 Sabesp shares per EMAE share is specified, along with estimated transaction costs of approximately BRL 4.45 million. This is a material acquisition/change of control transaction requiring disclosure under Item 1.01 or 2.01 equivalent.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-01T02:30:23.742468+00:00","company_name":"COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP","ticker":"SBS","filing_date":"2026-06-30"}]}