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SBS Companhia DE Saneamento Basico DO Estado DE SAO Paulo-sabesp (SBS) Insider Trading, Ownership & Congress Trades

Utilities · Water supply · CIK 0001170858
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
285
13F, latest reported quarter

What the filings say about SBS

Insiders, 180 days
-$107.7K net sold
3 sellers · 0% of sales under a 10b5-1 plan

Companhia DE Saneamento Basico DO Estado DE SAO Paulo-sabesp insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP insiders sold a net $107.7K of stock across 4 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Foreign private issuer: most of its insiders are exempt from SEC Form 4, but some still file it; those filings are listed below, and the record may be incomplete.

Insider
Filed
Shares
Value
Since filing
Chief Financial Officer
SELL
2026-06-17 SECtraded 2026-06-15
7,300
$40.8K
-9.9%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 9012.3% of the 81 shares held after it.
  • 2 other insiders sold within 30 days.
  • 285 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Szlak Daniel sold about $40.8K of SBS on Jun 15, 2026, the largest insider sale at the company on our record; 2 other insiders sold within 30 days and 285 funds added in the latest 13F quarter.
Chief Financial Officer
SELL
2026-06-17 SECtraded 2026-06-15
81
$452
-9.9%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • 2 other insiders sold within 30 days.
  • 285 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Szlak Daniel sold about $452 of SBS on Jun 15, 2026; 2 other insiders sold within 30 days and 285 funds added in the latest 13F quarter.
Engineering Officer
SELL
2026-06-17 SECtraded 2026-05-25
5,900
$33.9K
-9.9%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 7763.2% of the 76 shares held after it.
  • 2 other insiders sold within 30 days.
  • 285 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Engineering Officer Tavares de Sousa Roberval sold about $33.9K of SBS on May 25, 2026, the largest insider sale at the company on our record; 2 other insiders sold within 30 days and 285 funds added in the latest 13F quarter.
Inst. Rel. & Sustain. Officer
SELL
2026-06-17 SECtraded 2026-05-21
5,700
$32.6K
-9.9%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 13255.8% of the 43 shares held after it.
  • 2 other insiders sold within 30 days.
  • 285 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Inst. Rel. & Sustain. Officer Tavares de Sousa Samanta I.S. sold about $32.6K of SBS on May 21, 2026, the largest insider sale at the company on our record; 2 other insiders sold within 30 days and 285 funds added in the latest 13F quarter.
4 transactions on record · a thin record, read with care
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
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Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$107.7K over 180 days
more than 62% of Utilities
Congress
no House purchase disclosed in the last 12 months
Funds
285 funds bought in last quarter
more than 63% of Utilities
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
0.6% of the float short (float per yahoo 2026-10-26) · 1.9 days to cover · settled 2026-09-30
below 67% of Utilities
What changed in the last 30 days
Oct 28Insider selling stopped: no sales in 90 days after 4 in the prior 90
Why it matters
The absence is the signal: 4 sales in one 90-day window and none in the next is a change of behaviour, not a filing.

Watch SBS

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-2.3%12M
-8%+10%+28%+46%2025-102025-122026-022026-042026-062026-082026-10 2026-06-15 · Szlak Daniel sold $40.8K2026-05-25 · Tavares de Sousa Roberval sold $33.9K2026-05-21 · Tavares de Sousa Samanta I.S. sold $32.6K2026-06-15 · Szlak Daniel sold $452
Insider sell
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns SBS: institutional holders (13F)

13F holdings, latest reported quarter
29,944,581 sh
$173.1M
26,095,862 sh
$150.9M
19,192,518 sh
$110.9M

Congress trades in SBS

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

SBS planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.

SBS mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
iShares Emerging Markets Infrastructure ETF
$1.1M position · as of 2026-06-30
8.5%
Virtus Duff & Phelps Water Fund
$37.0M position · as of 2026-06-30
7.3%
Tortoise Global Water ETF
$2.1M position · as of 2026-05-31
4.0%
First Trust WCM International Equity ETF
$45.9M position · as of 2026-06-30
2.8%
KBI GLOBAL INVESTORS AQUARIUS FUND
$1.4M position · as of 2026-07-31
2.8%
WCM Focused International Equity Fund
$6.8M position · as of 2026-06-30
2.7%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $107.7K sold by insiders over 180 days, 285 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Same sector, ranked by filing activity
Sector by SEC SIC code

SBS financials

Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2024-122023-122022-122021-12
Gross profit$19.5B$9.5B$7.7B$6.7B
Net income$9.6B$3.5B$3.1B$2.3B
SEC XBRL, fiscal years, as known on 2026-10-28

SBS Stock Sonar score 3/7 axes

Find similar shapesCompare

SBS ranks highest on risk and compliance (82nd percentile) and institutional and government (63rd), and lowest on insider conviction (31st), among Utilities peers.

Insider conviction
31
Inputs
  • Net Form 4 buying (codes P and S), 180d-$108K · 62 pct, sector of 87
  • Insider buyers, 180d0 · 0 pct, sector of 88
Institutional and government
63
Inputs
  • Funds adding, latest quarter285 · 63 pct, sector of 121
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
82
Inputs
  • Short interest, % of float+0.6% · 82 pct, sector of 162
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-Kneeds two 10-Ks with a Risk Factors section (not 20-F filers or stubs)
4 not measured: Profitability, Financial health, Growth, US patents
  • Profitability needs 2 of 4 inputs, 0 present: fewer than four consecutive quarters of net income; fewer than four consecutive quarters of operating income
  • Financial health needs 1 of 2 inputs, 0 present: no debt line filed
  • Growth needs 1 of 2 inputs, 0 present: no backlog line filed, or no year-earlier backlog; no revenue for this year and the year before
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

3 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

SBS filings, in plain words

Are Companhia DE Saneamento Basico DO Estado DE SAO Paulo-sabesp insiders buying or selling SBS?

In the 180 days to 2026-10-28, Companhia DE Saneamento Basico DO Estado DE SAO Paulo-sabesp insiders were net sellers, a net $107.7K across purchases and sales reported on Form 4, by 3 sellers.

Read the full summary

In the 180 days to 2026-10-28, Companhia DE Saneamento Basico DO Estado DE SAO Paulo-sabesp insiders were net sellers of SBS, a net $107.7K across purchases and sales reported on Form 4 by 3 sellers. None of the 4 insider sales was flagged as made under a Rule 10b5-1 plan. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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