COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP SEC filings

Filings

1. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSOct 9

   SABESP updates merger timetable

   • Merger of Shares update disclosed on Oct 8, 2026
   • Withdrawal Right ends Oct 19, 2026
   • Shares credit to EMAE shareholders expected by Oct 27, 2026
2. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSOct 2

   SABESP files 6-K amendment

   • Amended bylaws approved by shareholders on July 30, 2026
   • Share capital increase reflected in amended bylaws
   • Amended bylaws not yet effective
3. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSSep 23

   Foreign issuer report

4. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSSep 18

   Foreign issuer report

5. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSAug 14

   Foreign issuer report

6. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSJul 31

   Foreign issuer report

7. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSJun 30

   Foreign issuer report

8. 4/ACOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSJun 17

   3 insider filings

   de Sousa Roberval Tavares, insider filing for SBS (amended)

   Show all 3

   • 4/AInsider filing for SBS (amended)Jun 17
   • 4/AInsider filing for SBS (amended)Jun 17
   • 4/AInsider filing for SBS (amended)Jun 17

   de Sousa Roberval Tavares, reporting

9. 4COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSJun 16

   Daniel Szlak, insider filing for SBS

   Daniel Szlak, reporting

10. 4COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSMay 29

    de Sousa Roberval Tavares, insider filing for SBS

    de Sousa Roberval Tavares, reporting

11. 4COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSMay 27

    Tavares de Sousa Samanta I.S., insider filing for SBS

    de Sousa Samanta I.s. Tavares, reporting

12. 4COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSMay 15

    10 insider filings

    de Sousa Roberval Tavares, insider filing for SBS

    Show all 10

    • 4Insider filing for SBSMay 15
    • 4Insider filing for SBSMay 15
    • 4Insider filing for SBSMay 15
    • 4Insider filing for SBSMay 15
    • 4Insider filing for SBSMay 15
    • 4Insider filing for SBSMay 15
    • 4Insider filing for SBSMay 15
    • 4Insider filing for SBSMay 15
    • 4Insider filing for SBSMay 15
    • 4Insider filing for SBSMay 15

    de Sousa Roberval Tavares, reporting

13. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSMay 8

    Foreign issuer report

14. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSMay 8

    Foreign issuer report

15. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSApr 30

    Foreign issuer report

16. 20-FCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSApr 29

    Annual report

17. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSApr 28

    Foreign issuer report

18. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSApr 27

    Foreign issuer report

19. SCHEDULE 13G/ACOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSApr 24

    Ownership stake disclosure by BlackRock, Inc. (amended)

    BlackRock, Inc., filed by

20. 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSMar 30

    Foreign issuer report

21. 3COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESPSBSMar 19

    19 insider filings

    Bandeira Mateus Affonso, new insider at SBS

    Show all 19

    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19
    • 3New insider at SBSMar 19

    Bandeira Mateus Affonso, reporting

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