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Companhia de Saneamento Básico do Estado de São Paulo – SABESP reported higher scale but weaker profitability for the quarter ended June 30, 2026. Consolidated net revenue reached R$10,209 mn, up 13.9% year over year, while adjusted net revenue from sanitation services rose 6.7% to R$6,013 mn.
Adjusted EBITDA was R$3,503 mn, down 3.2%, and adjusted net income fell 41.2% to R$1,150 mn, with adjusted EPS at R$0.33 versus R$0.57 in 2Q25. Profitability was pressured by a 24.5% increase in costs and expenses, notably higher services, general expenses after prior-year legal wins, and inflation on treatment supplies, as well as a much weaker net financial result linked to higher net debt of about R$34.2 bn.
The company continued an intensive investment and transformation program, with R$3,731 mn in capex in 2Q26 and R$7,458 mn in 1H26, mainly in water and sewage universalization. SABESP also consolidated control of energy company EMAE and of Águas de Castilho, broadening its utility footprint while increasing total borrowings to R$51.7 bn and lifting the leverage ratio to 43%.
Companhia de Saneamento Básico do Estado de São Paulo – Sabesp reported mixed results for the quarter ended June 30, 2026. The release states that figures consider the 1:5 stock split approved at the April 28, 2026 EGM. Net revenue reached R$10,209 mn, up 13.9% year over year, driven by construction revenue and a 6.7% increase in adjusted sanitation net revenue to R$6,013 mn. Reported EBITDA was stable at R$3,906 mn, but adjusted EBITDA fell 3.2% to R$3,503 mn, with margin compression.
Net income declined 31.4% to R$1,464 mn, and adjusted net income dropped 41.2% to R$1,150 mn, with adjusted EPS at R$0.33 versus R$0.57 in 2Q25. Management cites higher operating costs and expenses, up 24.5%, especially services tied to customer-focused initiatives, legal-comparison effects in general expenses, and inflation in treatment supplies, plus a much weaker net financial result on higher net debt of R$34 bn versus R$23 bn. Despite earnings pressure, Sabesp accelerated its transformation and universalization agenda, investing R$3,731 mn in 2Q26 and R$7,458 mn in 1H26, and generated free cash flow from operations of R$3,366,064 thousand.
Companhia de Saneamento Básico do Estado de São Paulo – SABESP reports that its Extraordinary Shareholders’ Meeting approved the merger into SABESP of all shares issued by EMAE – Empresa Metropolitana de Águas e Energia S.A. that are not already held by SABESP. EMAE’s shareholders, other than SABESP, are to receive common shares issued by SABESP under the previously disclosed Protocol and Justification for the Merger of Shares.
The effectiveness of this Merger of Shares is conditional on approval by EMAE’s own Extraordinary General Shareholders’ Meeting. The Brazilian Securities Commission (CVM) has postponed that EMAE meeting for 30 days from the date EMAE provides additional information requested by CVM to its shareholders. SABESP states that further material information on the merger, including EMAE’s approval, will be disclosed in accordance with applicable law and regulations, and notes that statements about future events are subject to risks and uncertainties as described in its forward-looking statements disclaimer.
Sabesp and EMAE have agreed terms for a share-for-share merger in which Sabesp will acquire all EMAE shares it does not already own. EMAE shareholders will receive 1.3195 Sabesp common share for each EMAE common or preferred share, migrating EMAE’s shareholder base into Sabesp. After completion, EMAE will become a wholly owned subsidiary, its shares will cease trading on B3’s Traditional segment, and it will move from Category “A” to Category “B” registration.
The companies cite expected benefits such as simplifying their corporate structure, reducing overlapping costs and integrating operations to improve efficiency. Estimated transaction costs total about BRL 4.45 million, of which up to BRL 2.3 million relates to EMAE. EMAE minority holders who dissent will have withdrawal rights at approximately BRL 16.79 per share, subject to Brazilian corporate law conditions, and the merger still depends on approval at both companies’ extraordinary shareholders’ meetings.
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP reported that Engineering Officer Roberval Tavares de Sousa sold 5,900 Common Shares in an open-market transaction on May 25, 2026 at $5.74 per share.
After this sale, he directly holds 76 Common Shares. The reported sale price is equivalent to R$28.81 per share, using an exchange rate of R$5.0174 per U.S.$1.00 as quoted by the Brazilian Central Bank on May 25, 2026.
COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO – SABESP Institutional Relations & Sustainability Officer Samanta I.S. Tavares de Sousa executed an open-market sale of 5,700 Common Shares on May 21, 2026, at an average price of $5.72 per share.
Following this transaction, the officer directly holds 43 Common Shares. A footnote states this price is equivalent to R$28.61 per share, using an exchange rate of R$5.0046 per U.S.$1.00 reported by the Brazilian Central Bank on May 21, 2026.
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP Chief Financial Officer Daniel Szlak reported selling a total of 7,381 common shares on June 15, 2026 in open-market transactions. The shares were sold at prices of about $5.58 and $5.59 per share, based on amounts converted from Brazilian reais.
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP Chief Financial Officer Daniel Szlak reported selling a total of 7,381 Common Shares of the company in open-market transactions at a price of $28.30 per share.
Two separate sales on June 15, 2026 covered 81 shares and 7,300 shares. After these transactions, Szlak’s directly held Common Shares reported in this filing decreased to zero, indicating he no longer shows a direct share position in this Form 4.
Sabesp reports changes to its Executive Board and organizational structure. The company created a new Customer Experience Directorate, led by Mr. Claudio Kawa Hermolin, who brings extensive experience in sanitation, infrastructure and large-scale project management and previously served as Director of Operations for the Eastern Regional Unit.
Ms. Débora Pierini Longo is leaving her role as Director of Operations and Maintenance to lead implementation of Sabesp’s Integrated Operations Center project. Mr. Roberval Tavares will temporarily hold both the Director of Engineering and Operation positions. The company states these changes align with its strategic focus on improving customer experience and operational efficiency.
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP Engineering Officer Roberval Tavares de Sousa reported an open-market sale of 5,900 Common Shares. The shares were sold at an average price of R$28.81 per share on May 25, 2026. After this transaction, he directly holds 76 Common Shares.