3 insiders reported 8 Form 4 transactions for COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP (SBS) over the past 18 months (most recent 2026-06-17). Recent activity: Tavares de Sousa Samanta I.S. (Inst. Rel. & Sustain. Officer) Sell 5,700 shares, Szlak Daniel (Chief Financial Officer) Sell 7,300 shares, Szlak Daniel (Chief Financial Officer) Sell 81 shares, Tavares de Sousa Roberval (Engineering Officer) Sell 5,900 shares, Szlak Daniel (Chief Financial Officer) Sell 7,300 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-17 | Tavares de Sousa Samanta I.S. | Inst. Rel. & Sustain. Officer | Sell | 5,700 | $32,604 |
| 2026-06-17 | Szlak Daniel | Chief Financial Officer | Sell | 7,300 | $40,807 |
| 2026-06-17 | Szlak Daniel | Chief Financial Officer | Sell | 81 | $452 |
| 2026-06-17 | Tavares de Sousa Roberval | Engineering Officer | Sell | 5,900 | $33,866 |
| 2026-06-16 | Szlak Daniel | Chief Financial Officer | Sell | 7,300 | $206,590 |
| 2026-06-16 | Szlak Daniel | Chief Financial Officer | Sell | 81 | $2,292 |
| 2026-05-29 | Tavares de Sousa Roberval | Engineering Officer | Sell | 5,900 | $169,979 |
| 2026-05-27 | Tavares de Sousa Samanta I.S. | Inst. Rel. & Sustain. Officer | Sell | 5,700 | $163,077 |
Source: SEC Form 4 filings · as of 2026-06-17