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Companhia de saneamento Basico Do Estado De Sao PauloStock · Utilities
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SBS SEC filings (2026)

CIK 1170858 · Water Supply (SIC 4941) · incorporated in D5 · fiscal year ends in December

1,266 filings on EDGAR since 2002 · 28 annual, 0 quarterly, 1,148 current · financial statements · earnings

Latest 20-F
Apr 29, 2026
fiscal year to Dec 31, 2025
Latest 8-K
Oct 21, 2026
current report
Filings on file
1,266
since 2002, 36 insider forms

What happened, last 12 months#

Every earnings release with its print, every report with its quarter, the other 8-Ks by the headline of the press release they furnish or by their items, the proxy statements, and each day an insider bought or sold — newest first, each line opening the filing on EDGAR. The index by form and year follows.

October 2026

September 2026

August 2026

July 2026

June 2026

May 2026

April 2026

March 2026

February 2026

January 2026

December 2025

November 2025

Insider transactions#

What officers, directors and 10% holders reported on Forms 4 and 5 over the last 13 months, from the documents themselves: one insider’s trades of one kind on one day are one row, with the shares, the price range and the total as filed. Open-market buys and sells first; awards, exercises, tax withholding, gifts and employee-plan purchases are grouped below them.

Over the last 13 months insiders sold $650K in 3 sales and bought nothing on the open market; 30 other transactions (awards, exercises, tax withholding, gifts and plan purchases).

DateInsider
Jun 15, 2026Form 4 ×2Szlak DanielChief Financial OfficerSold · $250K · 14,762 sh
May 25, 2026Form 4 ×2Tavares de Sousa RobervalEngineering OfficerSold · $204K · 11,800 sh
May 21, 2026Form 4 ×2Tavares de Sousa Samanta I.S.Inst. Rel. & Sustain. OfficerSold · $196K · 11,400 sh
Awards, exercises, withholding and plan purchases · 30 transactions
DateInsider
May 1, 2026Form 4Leone Piani Carlos AugustoCEOTax withholding · $93K · 13,831 sh
May 1, 2026Form 4Godinho Domingues LucianeReg. & Energy Proc. OfficerTax withholding · $19K · 2,837 sh
May 1, 2026Form 4Szlak DanielChief Financial OfficerTax withholding · $19K · 2,800 sh
May 1, 2026Form 4Maciel Maia DenisCustomer & Technology OfficerTax withholding · $19K · 2,800 sh
May 1, 2026Form 4Pierini Longo DeboraOperations & Maint. OfficerTax withholding · $15K · 2,267 sh
May 1, 2026Form 4Tavares de Sousa RobervalEngineering OfficerTax withholding · $15K · 2,267 sh
May 1, 2026Form 4Costa Strauch RafaelNew Bus. & Projects OfficerTax withholding · $15K · 2,179 sh
May 1, 2026Form 4Do Valle Fehlberg GustavoCorporate Services OfficerTax withholding · $14K · 2,027 sh
May 1, 2026Form 4Bressane Junior JosueChief People OfficerTax withholding · $14K · 2,027 sh
May 1, 2026Form 4Lima Peralta Maria AliciaChief Legal OfficerTax withholding · $11K · 1,661 sh
May 1, 2026Form 4Leone Piani Carlos AugustoCEOExercise or conversion · — · 50,295 sh
May 1, 2026Form 4Leone Piani Carlos AugustoCEOExercise or conversion · Restricted Stock Units · $0 · 50,295 sh
May 1, 2026Form 4Godinho Domingues LucianeReg. & Energy Proc. OfficerExercise or conversion · — · 10,317 sh
May 1, 2026Form 4Godinho Domingues LucianeReg. & Energy Proc. OfficerExercise or conversion · Restricted Stock Units · $0 · 10,317 sh
May 1, 2026Form 4Szlak DanielChief Financial OfficerExercise or conversion · — · 10,181 sh
May 1, 2026Form 4Szlak DanielChief Financial OfficerExercise or conversion · Restricted Stock Units · $0 · 10,181 sh
May 1, 2026Form 4Maciel Maia DenisCustomer & Technology OfficerExercise or conversion · — · 10,181 sh
May 1, 2026Form 4Maciel Maia DenisCustomer & Technology OfficerExercise or conversion · Restricted Stock Units · $0 · 10,181 sh
May 1, 2026Form 4Pierini Longo DeboraOperations & Maint. OfficerExercise or conversion · — · 8,243 sh
May 1, 2026Form 4Pierini Longo DeboraOperations & Maint. OfficerExercise or conversion · Restricted Stock Units · $0 · 8,243 sh
May 1, 2026Form 4Tavares de Sousa RobervalEngineering OfficerExercise or conversion · — · 8,243 sh
May 1, 2026Form 4Tavares de Sousa RobervalEngineering OfficerExercise or conversion · Restricted Stock Units · $0 · 8,243 sh
May 1, 2026Form 4Costa Strauch RafaelNew Bus. & Projects OfficerExercise or conversion · — · 7,922 sh
May 1, 2026Form 4Costa Strauch RafaelNew Bus. & Projects OfficerExercise or conversion · Restricted Stock Units · $0 · 7,922 sh
May 1, 2026Form 4Do Valle Fehlberg GustavoCorporate Services OfficerExercise or conversion · — · 7,371 sh
May 1, 2026Form 4Do Valle Fehlberg GustavoCorporate Services OfficerExercise or conversion · Restricted Stock Units · $0 · 7,371 sh
May 1, 2026Form 4Bressane Junior JosueChief People OfficerExercise or conversion · — · 7,371 sh
May 1, 2026Form 4Bressane Junior JosueChief People OfficerExercise or conversion · Restricted Stock Units · $0 · 7,371 sh
May 1, 2026Form 4Lima Peralta Maria AliciaChief Legal OfficerExercise or conversion · $0 · 6,039 sh
May 1, 2026Form 4Lima Peralta Maria AliciaChief Legal OfficerExercise or conversion · Restricted Stock Units · $0 · 6,039 sh

Reports and proxy statements#

Annual reports (10-K, 20-F, 40-F), quarterly reports (10-Q), current reports (8-K, 6-K) and proxy statements, newest first. An 8-K that furnishes a press release is headed by the release’s headline, its items beneath; any other 8-K is described by its items. A form opens the press release where there is one, else the document on EDGAR, or the filing’s index where it furnishes other exhibits.

2026 · 28 filings
FiledWhat it is
Oct 21, 20266-KReport of a foreign private issuer
Oct 9, 20266-KReport of a foreign private issuer
Oct 2, 20266-KReport of a foreign private issuer
Sep 23, 20266-KReport of a foreign private issuer
Sep 18, 20266-KReport of a foreign private issuer
Aug 14, 20266-KReport of a foreign private issuer
Aug 13, 20266-KReport of a foreign private issuer
Jul 31, 20266-KReport of a foreign private issuer
Jun 30, 20266-KReport of a foreign private issuer
Jun 16, 20266-KReport of a foreign private issuer
May 8, 20266-KReport of a foreign private issuer
May 8, 20266-KReport of a foreign private issuer
Apr 30, 20266-KReport of a foreign private issuer
Apr 29, 202620-FAnnual report (foreign private issuer), FY2025 — revenue $6.81B (+2% y/y), net income $1.51B, EPS $0.44
Apr 29, 20266-KReport of a foreign private issuer
Apr 28, 20266-KReport of a foreign private issuer
Apr 27, 20266-KReport of a foreign private issuer
Mar 30, 20266-KReport of a foreign private issuer
Mar 17, 20266-KReport of a foreign private issuer
Mar 17, 20266-KReport of a foreign private issuer
Mar 16, 20266-KReport of a foreign private issuer
Feb 11, 20266-KReport of a foreign private issuer
Feb 4, 20266-KReport of a foreign private issuer
Feb 2, 20266-KReport of a foreign private issuer
Jan 28, 20266-KReport of a foreign private issuer
Jan 28, 20266-KReport of a foreign private issuer
Jan 23, 20266-KReport of a foreign private issuer
Jan 21, 20266-KReport of a foreign private issuer
2025 · 39 filings
FiledWhat it is
Dec 19, 20256-KReport of a foreign private issuer
Dec 3, 20256-KReport of a foreign private issuer
Dec 2, 20256-KReport of a foreign private issuer
Nov 25, 20256-KReport of a foreign private issuer
Nov 12, 20256-KReport of a foreign private issuer
Nov 12, 20256-KReport of a foreign private issuer
Oct 6, 20256-KReport of a foreign private issuer
Sep 2, 202520-F/AAnnual report (foreign private issuer), amended
Aug 13, 20256-KReport of a foreign private issuer
Aug 13, 20256-KReport of a foreign private issuer
Aug 6, 20256-KReport of a foreign private issuer
Jul 23, 20256-KReport of a foreign private issuer
Jul 22, 20256-KReport of a foreign private issuer
Jul 1, 20256-KReport of a foreign private issuer
May 29, 20256-KReport of a foreign private issuer
May 22, 20256-KReport of a foreign private issuer
May 22, 20256-KReport of a foreign private issuer
May 22, 20256-KReport of a foreign private issuer
May 20, 20256-KReport of a foreign private issuer
May 16, 20256-KReport of a foreign private issuer
May 15, 20256-KReport of a foreign private issuer
May 15, 20256-KReport of a foreign private issuer
May 12, 20256-KReport of a foreign private issuer
May 7, 20256-KReport of a foreign private issuer
Apr 30, 202520-FAnnual report (foreign private issuer), FY2024 — revenue $6.69B (+31% y/y), net income $1.77B, EPS $0.52
Apr 29, 20256-KReport of a foreign private issuer
Apr 25, 20256-KReport of a foreign private issuer
Apr 11, 20256-KReport of a foreign private issuer
Apr 11, 20256-KReport of a foreign private issuer
Apr 11, 20256-KReport of a foreign private issuer
Apr 10, 20256-KReport of a foreign private issuer
Feb 6, 20256-KReport of a foreign private issuer
Jan 29, 20256-KReport of a foreign private issuer
Jan 29, 20256-KReport of a foreign private issuer
Jan 29, 20256-KReport of a foreign private issuer
Jan 29, 20256-KReport of a foreign private issuer
Jan 29, 20256-KReport of a foreign private issuer
Jan 29, 20256-KReport of a foreign private issuer
Jan 7, 20256-KReport of a foreign private issuer
2024 · 99 filings
FiledWhat it is
Dec 23, 20246-KReport of a foreign private issuer
Dec 6, 20246-KReport of a foreign private issuer
Nov 29, 20246-KReport of a foreign private issuer
Nov 29, 20246-KReport of a foreign private issuer
Nov 29, 20246-KReport of a foreign private issuer
Nov 18, 20246-KReport of a foreign private issuer
Nov 18, 20246-KReport of a foreign private issuer
Nov 12, 20246-KReport of a foreign private issuer
Nov 12, 20246-KReport of a foreign private issuer
Nov 5, 20246-KReport of a foreign private issuer
Nov 5, 20246-KReport of a foreign private issuer
Nov 4, 20246-KReport of a foreign private issuer
Oct 24, 20246-KReport of a foreign private issuer
Oct 21, 20246-KReport of a foreign private issuer
Oct 15, 20246-KReport of a foreign private issuer
Oct 15, 20246-KReport of a foreign private issuer
Oct 15, 20246-KReport of a foreign private issuer
Oct 15, 20246-KReport of a foreign private issuer
Oct 15, 20246-KReport of a foreign private issuer
Oct 7, 20246-KReport of a foreign private issuer
Oct 4, 20246-KReport of a foreign private issuer
Oct 4, 20246-KReport of a foreign private issuer
Oct 4, 20246-KReport of a foreign private issuer
Oct 2, 20246-KReport of a foreign private issuer
Sep 30, 20246-KReport of a foreign private issuer
Sep 26, 20246-KReport of a foreign private issuer
Sep 25, 20246-KReport of a foreign private issuer
Sep 5, 20246-KReport of a foreign private issuer
Sep 3, 20246-KReport of a foreign private issuer
Sep 3, 20246-KReport of a foreign private issuer
Sep 3, 20246-KReport of a foreign private issuer
Sep 3, 20246-KReport of a foreign private issuer
Sep 3, 20246-KReport of a foreign private issuer
Aug 29, 20246-KReport of a foreign private issuer
Aug 27, 20246-KReport of a foreign private issuer
Aug 14, 20246-KReport of a foreign private issuer
Aug 8, 20246-KReport of a foreign private issuer
Jul 29, 20246-KReport of a foreign private issuer
Jul 23, 20246-KReport of a foreign private issuer
Jul 23, 20246-KReport of a foreign private issuer
Jul 23, 20246-KReport of a foreign private issuer
Jul 19, 20246-KReport of a foreign private issuer
Jul 19, 20246-KReport of a foreign private issuer
Jul 19, 20246-KReport of a foreign private issuer
Jul 16, 20246-KReport of a foreign private issuer
Jul 5, 20246-KReport of a foreign private issuer
Jul 3, 20246-KReport of a foreign private issuer
Jul 1, 20246-KReport of a foreign private issuer
Jun 27, 20246-KReport of a foreign private issuer
Jun 25, 20246-KReport of a foreign private issuer
Jun 24, 20246-KReport of a foreign private issuer
Jun 24, 20246-KReport of a foreign private issuer
Jun 24, 20246-KReport of a foreign private issuer
Jun 21, 20246-KReport of a foreign private issuer
Jun 20, 20246-KReport of a foreign private issuer
Jun 20, 20246-KReport of a foreign private issuer
Jun 20, 20246-KReport of a foreign private issuer
Jun 20, 20246-KReport of a foreign private issuer
Jun 18, 20246-KReport of a foreign private issuer
Jun 18, 20246-KReport of a foreign private issuer
Jun 18, 20246-KReport of a foreign private issuer
Jun 18, 20246-KReport of a foreign private issuer
Jun 18, 20246-KReport of a foreign private issuer
Jun 18, 20246-KReport of a foreign private issuer
Jun 17, 20246-KReport of a foreign private issuer
Jun 17, 20246-KReport of a foreign private issuer
Jun 17, 20246-KReport of a foreign private issuer
Jun 13, 20246-KReport of a foreign private issuer
Jun 13, 20246-KReport of a foreign private issuer
Jun 4, 20246-KReport of a foreign private issuer
May 28, 20246-KReport of a foreign private issuer
May 13, 20246-KReport of a foreign private issuer
May 10, 20246-KReport of a foreign private issuer
May 9, 20246-KReport of a foreign private issuer
May 8, 20246-KReport of a foreign private issuer
May 6, 20246-KReport of a foreign private issuer
May 3, 202420-FAnnual report (foreign private issuer), FY2023 — revenue $5.12B (+20% y/y), net income $705.4M, EPS $0.21
May 3, 20246-KReport of a foreign private issuer
May 2, 20246-KReport of a foreign private issuer
May 1, 20246-KReport of a foreign private issuer
Apr 29, 20246-KReport of a foreign private issuer
Apr 22, 20246-KReport of a foreign private issuer
Apr 18, 20246-KReport of a foreign private issuer
Apr 17, 20246-KReport of a foreign private issuer
Apr 17, 20246-KReport of a foreign private issuer
Apr 11, 20246-KReport of a foreign private issuer
Apr 11, 20246-KReport of a foreign private issuer
Apr 11, 20246-KReport of a foreign private issuer
Apr 11, 20246-KReport of a foreign private issuer
Apr 9, 20246-KReport of a foreign private issuer
Apr 8, 20246-KReport of a foreign private issuer
Apr 8, 20246-KReport of a foreign private issuer
Apr 8, 20246-KReport of a foreign private issuer
Mar 13, 20246-KReport of a foreign private issuer
Feb 15, 20246-KReport of a foreign private issuer
Jan 31, 20246-KReport of a foreign private issuer
Jan 23, 20246-KReport of a foreign private issuer
Jan 23, 20246-KReport of a foreign private issuer
Jan 17, 20246-KReport of a foreign private issuer
2023 · 87 filings — 85 × 6-K, 1 × 20-F, 1 × 6-K/A
FiledWhat it is
Apr 26, 202320-FAnnual report (foreign private issuer), FY2022 — revenue $4.27B (+18% y/y), net income $604.4M, EPS $0.89

86 current reports (8-K) not listed; the year is on EDGAR.

2022 · 59 filings — 58 × 6-K, 1 × 20-F
FiledWhat it is
Apr 28, 202220-FAnnual report (foreign private issuer), FY2021 — revenue $3.61B (+5% y/y), net income $427.4M, EPS $3.37

58 current reports (8-K) not listed; the year is on EDGAR.

2021 · 68 filings — 67 × 6-K, 1 × 20-F
FiledWhat it is
Apr 28, 202120-FAnnual report (foreign private issuer), FY2020 — revenue $3.45B (−24% y/y), net income $188.9M

67 current reports (8-K) not listed; the year is on EDGAR.

2020 · 81 filings — 79 × 6-K, 1 × 20-F, 1 × 20-F/A
FiledWhat it is
May 1, 202020-F/AAnnual report (foreign private issuer), amended
Apr 30, 202020-FAnnual report (foreign private issuer)

79 current reports (8-K) not listed; the year is on EDGAR.

2019 · 100 filings — 98 × 6-K, 1 × 20-F, 1 × 6-K/A
FiledWhat it is
Apr 29, 201920-FAnnual report (foreign private issuer), FY2018 — revenue $4.40B (−4% y/y), net income $775.7M

99 current reports (8-K) not listed; the year is on EDGAR.

2018 · 80 filings — 77 × 6-K, 1 × 20-F, 1 × 20-F/A and 1 other form
FiledWhat it is
May 30, 201820-F/AAnnual report (foreign private issuer), amended
Apr 27, 201820-FAnnual report (foreign private issuer)

78 current reports (8-K) not listed; the year is on EDGAR.

2017 · 55 filings — 53 × 6-K, 1 × 20-F, 1 × 6-K/A
FiledWhat it is
May 16, 201720-FAnnual report (foreign private issuer)

54 current reports (8-K) not listed; the year is on EDGAR.

2016 · 42 filings — 41 × 6-K, 1 × 20-F

Counted, not listed; the year is on EDGAR.

2015 · 66 filings — 65 × 6-K, 1 × 20-F

Counted, not listed; the year is on EDGAR.

2014 · 30 filings — 27 × 6-K, 2 × 6-K/A, 1 × 20-F

Counted, not listed; the year is on EDGAR.

2013 · 28 filings — 27 × 6-K, 1 × 20-F

Counted, not listed; the year is on EDGAR.

2012 · 20 filings — 17 × 6-K, 1 × 20-F, 1 × 20-F/A and 1 other form

Counted, not listed; the year is on EDGAR.

2011 · 34 filings — 32 × 6-K, 1 × 20-F, 1 × 6-K/A

Counted, not listed; the year is on EDGAR.

2010 · 37 filings — 35 × 6-K, 2 × 20-F

Counted, not listed; the year is on EDGAR.

2009 · 27 filings — 27 × 6-K

Counted, not listed; the year is on EDGAR.

2008 · 34 filings — 32 × 6-K, 1 × 20-F, 1 × 6-K/A

Counted, not listed; the year is on EDGAR.

2007 · 30 filings — 27 × 6-K, 2 × 6-K/A, 1 × 20-F

Counted, not listed; the year is on EDGAR.

2006 · 36 filings — 33 × 6-K, 2 × 6-K/A, 1 × 20-F

Counted, not listed; the year is on EDGAR.

2005 · 40 filings — 39 × 6-K, 1 × 20-F

Counted, not listed; the year is on EDGAR.

2004 · 32 filings — 31 × 6-K, 1 × 20-F

Counted, not listed; the year is on EDGAR.

2003 · 19 filings — 18 × 6-K, 1 × 20-F

Counted, not listed; the year is on EDGAR.

2002 · 5 filings — 5 × 6-K

Counted, not listed; the year is on EDGAR.

Insider, ownership and other filings#

Insider ownership (Forms 3, 4, 5 and 144), beneficial ownership (Schedules 13D and 13G), registration and prospectus (S-1, S-3, S-8, 424B and related) and the rest, counted by year, with the newest 25 of each of the latest 3 years shown. A Form 4 is one insider’s transaction report; a 13G is a passive holder above five percent.

2026 · 37 filings — 20 × 3, 13 × 4, 3 × 4/A and 1 other form
FiledWhat it is
Jun 17, 20264/AInsider transaction (Form 4), amended
Jun 17, 20264/AInsider transaction (Form 4), amended
Jun 17, 20264/AInsider transaction (Form 4), amended
Jun 16, 20264Insider transaction (Form 4)
May 29, 20264Insider transaction (Form 4)
May 27, 20264Insider transaction (Form 4)
May 15, 20264Insider transaction (Form 4)
May 15, 20264Insider transaction (Form 4)
May 15, 20264Insider transaction (Form 4)
May 15, 20264Insider transaction (Form 4)
May 15, 20264Insider transaction (Form 4)
May 15, 20264Insider transaction (Form 4)
May 15, 20264Insider transaction (Form 4)
May 15, 20264Insider transaction (Form 4)
May 15, 20264Insider transaction (Form 4)
May 15, 20264Insider transaction (Form 4)
Apr 24, 2026SCHEDULE 13G/AOther filings
Mar 19, 20263Initial insider holdings (Form 3)
Mar 19, 20263Initial insider holdings (Form 3)
Mar 19, 20263Initial insider holdings (Form 3)
Mar 19, 20263Initial insider holdings (Form 3)
Mar 19, 20263Initial insider holdings (Form 3)
Mar 19, 20263Initial insider holdings (Form 3)
Mar 19, 20263Initial insider holdings (Form 3)
Mar 19, 20263Initial insider holdings (Form 3)

The newest 25 of 37 shown; the full year is on EDGAR.

2025 · 1 filing — 1 × SCHEDULE 13G/A
FiledWhat it is
Jul 18, 2025SCHEDULE 13G/AOther filings
2024 · 8 filings — 2 × SC 13D, 2 × SC 13G, 1 × 424B2 and 3 other forms
FiledWhat it is
Nov 8, 2024SC 13GPassive holder above 5% (Schedule 13G)
Oct 22, 2024SC 13GPassive holder above 5% (Schedule 13G)
Aug 5, 2024SC 13DActive holder above 5% (Schedule 13D)
Jul 29, 2024SC 13DActive holder above 5% (Schedule 13D)
Jul 22, 2024424B5Prospectus supplement
Jun 24, 2024424B2Prospectus supplement
Jun 21, 2024F-3ASRRegistration and prospectus
Apr 30, 2024NT 20-FOther filings
2017 · 2 filings — 1 × NT 20-F, 1 × NT 20-F/A

Counted, not listed; the year is on EDGAR.

2016 · 2 filings — 1 × NT 20-F, 1 × SC 13G

Counted, not listed; the year is on EDGAR.

2015 · 3 filings — 2 × UPLOAD, 1 × CORRESP

Counted, not listed; the year is on EDGAR.

2013 · 3 filings — 1 × EFFECT, 1 × F-6, 1 × NT 20-F

Counted, not listed; the year is on EDGAR.

2012 · 7 filings — 4 × CORRESP, 3 × UPLOAD

Counted, not listed; the year is on EDGAR.

2011 · 5 filings — 3 × UPLOAD, 2 × CORRESP

Counted, not listed; the year is on EDGAR.

2010 · 2 filings — 1 × CORRESP, 1 × NT 20-F

Counted, not listed; the year is on EDGAR.

2009 · 1 filing — 1 × NT 20-F

Counted, not listed; the year is on EDGAR.

2008 · 1 filing — 1 × NT 20-F

Counted, not listed; the year is on EDGAR.

2007 · 3 filings — 2 × 424B3, 1 × NT 20-F

Counted, not listed; the year is on EDGAR.

2006 · 1 filing — 1 × UPLOAD

Counted, not listed; the year is on EDGAR.

2005 · 2 filings — 1 × SC 13G, 1 × UPLOAD

Counted, not listed; the year is on EDGAR.

2004 · 4 filings — 2 × F-3/A, 1 × 424B4, 1 × F-3

Counted, not listed; the year is on EDGAR.

2003 · 1 filing — 1 × SC 13G

Counted, not listed; the year is on EDGAR.

2002 · 7 filings — 4 × F-1/A, 1 × 424B1, 1 × 8-A12B and 1 other form

Counted, not listed; the year is on EDGAR.

About this data#

Companhia de saneamento Basico Do Estado De Sao Paulo (SBS) has 1,266 filings on EDGAR going back to 2002: 28 annual reports, 0 quarterly reports and 1,148 current reports, plus proxy statements, insider forms and ownership schedules. Its latest annual report, a 20-F, was filed on Apr 29, 2026 for the fiscal year ended Dec 31, 2025. The most recent 8-K, on Oct 21, 2026, covered a material event. Over the last 13 months insiders sold $650K in 3 sales and bought nothing on the open market; 30 other transactions (awards, exercises, tax withholding, gifts and plan purchases). Not investment advice.

Every row is a filing EDGAR lists for the registrants that have been Companhia de saneamento Basico Do Estado De Sao Paulo, read from the SEC’s submissions index each morning; a filing accepted after that read appears the next day. Where a company changed its filing entity (a holding-company reorganisation, Google into Alphabet) the predecessor’s filings are shown for the years it filed as the company, derived from the filings themselves. Dates are the filing date; the period is the report’s own. The latest 3 years of reports are listed in full, the next years to 10 without their 8-Ks, and older years are counted; the other forms are counted too, with the newest 25 of each of the latest 3 years shown. Insider transactions are the Form 4 and Form 5 documents themselves, filed since January 2026, every number as the insider filed it: a day’s lots are summed, a blank price adds its shares and no dollars, and a purchase through an employee stock plan is a plan purchase, not insider buying. An 8-K’s headline is the first line of the press release it furnishes (Exhibit 99), read from the filing and shown word for word; where two independent readings of the exhibit do not agree, the 8-K is described by its items instead. The documents stay on sec.gov, public domain, and every link opens the SEC’s copy. ChartRow does not summarise or interpret filings.

FAQ#

Where can I read SBS's latest 10-K?
SBS's latest annual report, a 20-F, was filed on Apr 29, 2026 for the fiscal year ended Dec 31, 2025. It is linked above and opens on EDGAR, the SEC's own site, where every exhibit is also listed.
When did SBS last file an 8-K?
On Oct 21, 2026 it filed a current report. An 8-K reports a material event between quarterly reports; the one that furnishes the quarter's results is filed under Item 2.02.
Are SBS insiders buying or selling?
Over the last 13 months insiders sold $650K in 3 sales and bought nothing on the open market; 30 other transactions (awards, exercises, tax withholding, gifts and plan purchases). The most recent sale: Szlak Daniel (Chief Financial Officer) sold 14,762 shares on Jun 15, 2026 for $250K. Every figure is as the insider filed it on Form 4; a sale under a 10b5-1 plan was scheduled in advance.
How many SEC filings has SBS made?
1,266 filings are on EDGAR under the registrant records that have been Companhia de saneamento Basico Do Estado De Sao Paulo, going back to 2002; 36 of them are insider ownership forms (Forms 3, 4, 5 and 144).