SBS — COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on SBS
| date | signal | measured base rate |
|---|---|---|
| 2026-08-14 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-08-03 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-07-29 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-30 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-06-26 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-06-18 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-06-15 | Szlak Daniel Chief Financial Officer | Open-market sale | 7.3K | 28.30 | 206.6K |
| 2026-06-15 | Szlak Daniel Chief Financial Officer | Open-market sale | 7.3K | 5.59 | 40.8K |
| 2026-06-15 | Szlak Daniel Chief Financial Officer | Open-market sale | 81 | 28.30 | 2.3K |
| 2026-06-15 | Szlak Daniel Chief Financial Officer | Open-market sale | 81 | 5.58 | 452 |
| 2026-05-25 | Tavares de Sousa Roberval Engineering Officer | Open-market sale | 5.9K | 28.81 | 170.0K |
| 2026-05-25 | Tavares de Sousa Roberval Engineering Officer | Open-market sale | 5.9K | 5.74 | 33.9K |
| 2026-05-21 | Tavares de Sousa Samanta I.S. Inst. Rel. & Sustain. Officer | Open-market sale | 5.7K | 28.61 | 163.1K |
| 2026-05-21 | Tavares de Sousa Samanta I.S. Inst. Rel. & Sustain. Officer | Open-market sale | 5.7K | 5.72 | 32.6K |
| 2026-05-01 | Leone Piani Carlos Augusto CEO | Shares withheld for tax | 13.8K | 6.69 | 92.5K |
| 2026-05-01 | Godinho Domingues Luciane Reg. & Energy Proc. Officer | Shares withheld for tax | 2.8K | 6.69 | 19.0K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Impax Asset Management Group plc | 205.7M | 6.7M |
| BlackRock, Inc. | 185.9M | 6.1M |
| Amundi | 160.2M | 5.2M |
| DEUTSCHE BANK AG\ | 113.0M | 3.7M |
| ROYAL LONDON ASSET MANAGEMENT LTD | 81.1M | 2.7M |
| MANNING & NAPIER ADVISORS LLC | 80.1M | 2.6M |
| LETKO, BROSSEAU & ASSOCIATES INC | 71.7M | 2.3M |
| MACKENZIE FINANCIAL CORP | 66.1M | 2.2M |
| WCM INVESTMENT MANAGEMENT, LLC | 64.7M | 2.2M |
| WELLINGTON MANAGEMENT GROUP LLP | 62.8M | 2.1M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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