Welcome to our dedicated page for Companhia De Saneamento Basico SEC filings (Ticker: SBS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to Sabesp’s (Companhia de Saneamento Básico do Estado de São Paulo – SABESP, NYSE: SBS) U.S. regulatory filings, primarily Form 20‑F annual reports and Form 6‑K current reports filed as a foreign private issuer. These documents contain detailed information on the company’s basic and environmental sanitation activities in the State of São Paulo, its financial position and performance, and key regulatory and contractual developments.
Through its 6‑K filings, Sabesp furnishes earnings materials that include consolidated financial statements, notes, and management commentary. Investors can review data on revenue from sanitation services and construction, operating costs and expenses, adjusted EBITDA, net income, earnings per share, cash flows, capital structure, and investment levels in water supply, sewage collection and sewage treatment projects. Quarterly information (ITR) filed with the Brazilian regulator and furnished to the SEC provides granular balance sheet and income statement details, including borrowings and financings, PPP obligations, provisions, profit reserves and equity movements.
The company also uses 6‑K material facts to disclose regulatory and tariff decisions, such as ARSESP resolutions authorizing average rate adjustments, equilibrium rate calculations, and validation of the regulatory asset base. Other filings describe capital markets transactions, including the approval of multiple debenture issuances, their main characteristics and intended uses, as well as Board decisions on interest on equity payments and capital increases via capitalization of profit reserves.
Additional 6‑Ks cover strategic transactions and contracts, such as the planned acquisition of a controlling stake in EMAE – Empresa Metropolitana de Águas e Energia S.A. and a turnkey NB‑IoT smart metering contract with Telefônica group entities. On Stock Titan, these filings are complemented by AI‑powered summaries that highlight the main points of lengthy financial tables, regulatory notes and transaction descriptions, helping users quickly understand how each filing relates to Sabesp’s sanitation services business, tariffs, investments and capital structure.
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP reported an initial statement of beneficial ownership on Form 3 for director Goncalves Silva Alexandre. The filing lists no transactions, exercises, gifts, tax withholdings, or restructurings, indicating this is a baseline disclosure rather than a trading report.
COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO – SABESP reported the initial equity holdings of officer Maciel Maia Denis, Customer & Technology Officer. The filing lists two direct awards of restricted stock units (RSUs), each representing the right to receive one common share.
One RSU grant covers 8,086 underlying common shares, granted on April 29, 2025, vesting in equal parts on May 1 of 2026, 2027, 2028 and 2029, subject to continued service. A second RSU grant covers 7,830 underlying common shares, granted on December 19, 2025, vesting pro rata on January 1 of 2027, 2028, 2029 and 2030, also subject to continued service as an officer.
COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO – SABESP Chief People Officer Josue Bressane Junior reported initial holdings of restricted stock units (RSUs) linked to the company’s common shares. One RSU grant covers 5,856 underlying common shares and another covers 5,672 underlying common shares.
Each RSU represents the contingent right to receive one common share. The 5,856-share grant was made on April 29, 2025 and will vest in equal parts on May 1 of 2026, 2027, 2028 and 2029, subject to continued service as an officer. The 5,672-share grant was made on December 19, 2025 and will vest in equal parts on January 1 of 2027, 2028, 2029 and 2030, also subject to continued service.
COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO – SABESP officer Luciane Godinho Domingues has reported initial holdings of restricted stock units (RSUs) tied to Common Shares. One RSU grant covers 8,194 underlying shares, and another covers 5,672 underlying shares.
The 8,194-share RSU grant was awarded on April 29, 2025 and will vest in equal parts on May 1 of 2026, 2027, 2028 and 2029, subject to continued service as an officer. The 5,672-share RSU grant was awarded on December 19, 2025 and will vest in equal parts on January 1 of 2027, 2028, 2029 and 2030, also subject to continued service.
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP disclosed the initial equity holdings of officer Samanta I.S. Tavares de Sousa on a Form 3. The officer holds two grants of Restricted Stock Units (RSUs), each representing the right to receive one Common Share.
One RSU award covers 6,291 underlying Common Shares, granted on April 29, 2025, and scheduled to vest in equal parts on May 1 of 2026, 2027, 2028 and 2029, subject to continued service. A second award covers 6,095 underlying Common Shares, granted on December 19, 2025, vesting pro rata on January 1 of 2027, 2028, 2029 and 2030, also contingent on continued service as an officer.
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP officer Debora Pierini Longo has reported existing holdings of restricted stock units in a Form 3. These RSUs each represent the right to receive one common share and were granted on April 29, 2025 and December 19, 2025.
The April 2025 grant covers 6,548 underlying common shares and is scheduled to vest in equal parts on May 1 of 2026, 2027, 2028 and 2029, subject to continued service. The December 2025 grant covers 6,344 underlying shares, vesting pro rata on January 1 of 2027, 2028, 2029 and 2030.
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP Corporate Services Officer Gustavo do Valle Fehlberg filed an initial ownership report showing holdings of restricted stock units (RSUs). One RSU award covers 5,856 underlying common shares and another covers 5,672 underlying common shares.
Each RSU represents the contingent right to receive one common share. The 5,856-unit grant was awarded on April 29, 2025 and is scheduled to vest in equal parts on May 1 of 2026, 2027, 2028 and 2029, subject to continued service. The 5,672-unit grant was awarded on December 19, 2025 and is scheduled to vest in equal parts on January 1 of 2027, 2028, 2029 and 2030, also subject to continued service.
COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO – SABESP officer Rafael Costa Strauch filed an initial Form 3 reporting holdings of restricted stock units. Each RSU represents one common share. One grant covers 6,291 underlying shares and another covers 6,095, with both vesting in equal installments from 2026 through 2030, subject to continued service.
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP CEO Leone Piani Carlos Augusto filed an initial ownership report showing his equity interests. He holds 199,777 Restricted Stock Units, each representing the right to receive one Common Share, plus 2,877 Common Shares directly and 2,877 Common Shares indirectly through his spouse.
The RSUs were granted on April 29, 2025 and will vest in equal portions on May 1 of each year from 2026 through 2033, subject to his continued service as an officer of the company.
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP Chief Financial Officer Daniel Szlak filed an initial ownership report showing his equity-based compensation in restricted stock units (RSUs). Each RSU represents the right to receive one common share.
The filing lists two RSU grants. One grant covers 8,086 underlying common shares from awards granted on April 29, 2025, vesting in equal parts on May 1 of 2026, 2027, 2028 and 2029, subject to continued service. A second grant covers 7,830 underlying common shares from awards granted on December 19, 2025, vesting in equal parts on January 1 of 2027, 2028, 2029 and 2030, also subject to continued service as an officer.