COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP
SBS · Water Supply · EDGAR filings ↗
Reference price $5.59 — last insider sale, 2026-06-15 (estimated from the dated SEC Form 4 price — not a live quote)
Grade
A85Dominant São Paulo water monopoly with top-decile returns, high margins and strong growth.
Strengths
- Top-percentile returns: ROE 25.9% and ROA 11.8% (both 100th pct)
- Net margin 26.5% (92nd pct) with revenue +11% and net income more than doubling (both 100th pct)
- Strong FCF (91st pct) and a conservative balance sheet (D/E 0.68, 27th pct)
Risks
- Brazilian state-linked regulatory and currency exposure
- Sub-1 current ratio (0.89) typical of the sector but limits headroom
Notable findings
- Weak liquidityCurrent ratio 0.89 (<1)
- Strong balance sheetStrong balance sheet — $272M cash & investments
- Insider sellingInsider selling — 8 open-market sale(s) by 3 insider(s) (cluster of 3 insiders, ~$649,667, last 6mo) Form 4 ↗
Quarterly revenue
Last 2 quarters · from SEC filings.
Key metrics
Gross margin
54.1%
Net margin
26.5%
Return on equity
25.9%
Return on assets
11.8%
Revenue growth (QoQ)
17.0%
Net-income growth
113.3%
Debt / equity
0.7×
Current ratio
0.9×
Free cash flow
$1.2B
Tangible book value
$6.0B
Cash & investments
$272M
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-15 | Szlak Daniel | Sell | 81 | $5.58 |
| 2026-06-15 | Szlak Daniel | Sell | 81 | $28.30 |
| 2026-06-15 | Szlak Daniel | Sell | 7.3K | $28.30 |
| 2026-06-15 | Szlak Daniel | Sell | 7.3K | $5.59 |
| 2026-05-25 | Tavares de Sousa Roberval | Sell | 5.9K | $5.74 |
| 2026-05-25 | Tavares de Sousa Roberval | Sell | 5.9K | $28.81 |
| 2026-05-21 | Tavares de Sousa Samanta I.S. | Sell | 5.7K | $28.61 |
| 2026-05-21 | Tavares de Sousa Samanta I.S. | Sell | 5.7K | $5.72 |
| 2026-05-01 | Godinho Domingues Luciane | Tax withheld | 2.8K | $6.69 |
| 2026-05-01 | Bressane Junior Josue | Option exercise | 7.4K | — |
| 2026-05-01 | Bressane Junior Josue | Tax withheld | 2.0K | $6.69 |
| 2026-05-01 | Do Valle Fehlberg Gustavo | Option exercise | 7.4K | — |
| 2026-05-01 | Do Valle Fehlberg Gustavo | Tax withheld | 2.0K | $6.69 |
| 2026-05-01 | Maciel Maia Denis | Option exercise | 10K | — |
| 2026-05-01 | Maciel Maia Denis | Tax withheld | 2.8K | $6.69 |
| 2026-05-01 | Pierini Longo Debora | Option exercise | 8.2K | — |
| 2026-05-01 | Pierini Longo Debora | Tax withheld | 2.3K | $6.69 |
| 2026-05-01 | Szlak Daniel | Option exercise | 10K | — |
| 2026-05-01 | Szlak Daniel | Tax withheld | 2.8K | $6.69 |
| 2026-05-01 | Leone Piani Carlos Augusto | Option exercise | 50K | — |
| 2026-05-01 | Leone Piani Carlos Augusto | Tax withheld | 14K | $6.69 |
| 2026-05-01 | Tavares de Sousa Roberval | Option exercise | 8.2K | — |
| 2026-05-01 | Tavares de Sousa Roberval | Tax withheld | 2.3K | $6.69 |
| 2026-05-01 | Costa Strauch Rafael | Option exercise | 7.9K | — |
| 2026-05-01 | Costa Strauch Rafael | Tax withheld | 2.2K | $6.69 |
| 2026-05-01 | Lima Peralta Maria Alicia | Option exercise | 6.0K | — |
| 2026-05-01 | Lima Peralta Maria Alicia | Tax withheld | 1.7K | $6.69 |
| 2026-05-01 | Godinho Domingues Luciane | Option exercise | 10K | — |
All non-derivative Form 4 activity (SEC), newest first.
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 20-F | 2026-04-29 | 2025-12-31 | 0001292814-26-002681 ↗ |
| 20-F | 2025-04-30 | 2024-12-31 | 0001292814-25-001804 ↗ |
| 20-F | 2024-05-03 | 2023-12-31 | 0001292814-24-001825 ↗ |
| 20-F | 2023-04-26 | 2022-12-31 | 0001292814-23-001775 ↗ |
| 20-F | 2022-04-28 | 2021-12-31 | 0001292814-22-001850 ↗ |
| 20-F | 2021-04-28 | 2020-12-31 | 0001292814-21-001795 ↗ |
| 20-F | 2020-04-30 | 2019-12-31 | 0001292814-20-001569 ↗ |
| 20-F | 2019-04-29 | 2018-12-31 | 0001292814-19-001496 ↗ |
| 20-F | 2018-04-27 | 2017-12-31 | 0001292814-18-001401 ↗ |
| 20-F | 2017-05-16 | 2016-12-31 | 0001292814-17-001354 ↗ |
| 20-F | 2016-05-12 | 2015-12-31 | 0001292814-16-004628 ↗ |
| 20-F | 2015-04-29 | 2014-12-31 | 0001292814-15-001029 ↗ |