SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For May, 2023 (Commission File No. 1-31317) Companhia de Saneamento Básico do Estado de São Paulo - SABESP (Exact name of registrant as specified in its charter) Basic Sanitation Company of the State of Sao Paulo - SABESP (Translation of Registrant's name into English) Rua Costa Carvalho, 300 São Paulo, S.P., 05429-900 Federative Republic of Brazi ...

This transformation will be strongly positive for society, for everyone who is involved in this process, and especially for our employees. The amount of opportunities we will gain with this expansion is unparalleled in So that's it. I'd like to congratulate the team. We will deliver more and more. Congratulations to all company employees and outsourced employees, third parties as well. This is a very enriching journey. We have the potential to transform the Brazilian sanitation sector. Thank you. Andre Salc ...

SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For April, 2023 (Commission File No. 1-31317) Companhia de Saneamento Básico do Estado de São Paulo - SABESP (Exact name of registrant as specified in its charter) Basic Sanitation Company of the State of Sao Paulo - SABESP (Translation of Registrant's name into English) Rua Costa Carvalho, 300 São Paulo, S.P., 05429-900 Federative Republic of Bra ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2022 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ________________to ________________ OR ¨ SHELL COMPANY REPORT PURSUANT TO ...

Companhia de Saneamento Básico do Estado de São Paulo - SABESP (NYSE:SBS) Q4 2022 Results Conference Call March 28, 2023 10:00 AM ET Company Participants Andre Salcedo - Chief Executive Officer Luiz Tiberio - Resource Funding and IRO Officer Catia Pereira - Chief Financial Officer and Investor Relations Operator [Call Starts Abruptly] results conference call for 2022. Today, we have with us, Mr. Andre Salcedo, Ms. Catia Pereira, Finance Director and Investor Relations Director and Mr. Marcelo Miyagui, Accou ...

Companhia de Saneamento Básico do Estado de São Paulo - SABESP. (NYSE:SBS) Q3 2022 Earnings Conference Call November 17, 2022 9:00 AM ET Company Participants Luiz Tiberio - Resource Funding and IRO Officer Benedito Braga - Chief Executive Officer of SABESP Osvaldo Garcia - Chief Financial Officer and Investor Relations Officer Marcelo Miyagui - Superintendent for Accounting Conference Call Participants Carolina Carneiro - Credit Suisse Henrique Peretti - JPMorgan Operator Good morning, everyone. And welcome ...

P R E S E N T A T I O N 3Q22 AGENDA THE COMPANY OUR OPERATIONS OUR FINANCIAL PERFORMANCE SPMR – WATER SITUATION IR Contacts Presentation 3Q22 Disclaimer This presentation may contain forward-looking statements referring to Sabesp's business outlook, operating and financial results estimates, and growth prospects. These are only forecasts, and as such, they are exclusively based on Sabesp's management expectation regarding the future of the business and its continuous access to capital to finance the Company ...

Companhia de Saneamento Básico do Estado de São Paulo - SABESP (NYSE:SBS) Q4 2021 Earnings Conference Call March 29, 2022 10:00 AM ET Company Participants Mario Sampaio – Superintendent for Fundraising and Investor Relations Benedito Braga – Chief Executive Officer of SABESP Osvaldo Garcia – Chief Financial Officer and Investor Relations Officer Marcelo Miyagui – Superintendent for Accounting Conference Call Participants Mario Sampaio Hello, good morning, everyone. Welcome to SABESP's 2021 Full Year Earning ...

Companhia de Saneamento Básico do Estado de São Paulo - SABESP (NYSE:SBS) Q3 2021 Earnings Conference Call November 18, 2021 9:00 AM ET Company Participants Mario Sampaio - Head of Capital Markets and Investor Relations Benedito Braga - Chief Executive Officer Osvaldo Garcia - Chief Financial and Investor Relations Officer Marcelo Miyagui - Head of Accounting Marcel Sanches - Head of Regulations Mario Sampaio Okay. Good morning to all. Welcome to SABESPÂ's Video Conference to discuss the Earnings for Q3. My ...

Companhia de Saneamento Básico do Estado de São Paulo - SABESP (NYSE:SBS) Q2 2021 Earnings Conference Call August 17, 2021 1:00 PM ET Company Participants Mario Sampaio - Head of Capital Markets and Investor Relations Benedito Braga - Chief Executive Officer Osvaldo Garcia - Chief Financial and Investor Relations Officer Luiz Tiberio - Executive Assistant Marcelo Miyagui - Head of Accounting Agnaldo Pacheco - Controller Marcel Sanches - Head of Regulations Mario Sampaio Good afternoon, everyone, and welcome ...