3 insiders reported 7 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: Szlak Daniel (Chief Financial Officer) Sell 7,300 shares, Tavares de Sousa Roberval (Engineering Officer) Sell 5,900 shares, Tavares de Sousa Samanta I.S. (Inst. Rel. & Sustain. Officer) Sell 5,700 shares, Szlak Daniel (Chief Financial Officer) Sell 81 shares, Szlak Daniel (Chief Financial Officer) Sell 7,300 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-17 | Szlak Daniel | Chief Financial Officer | Sell | 7,300 | $40,807 |
| 2026-06-17 | Tavares de Sousa Roberval | Engineering Officer | Sell | 5,900 | $33,866 |
| 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 | 81 | $452 |
| 2026-06-16 | Szlak Daniel | Chief Financial Officer | Sell | 7,300 | $0 |
| 2026-06-16 | Szlak Daniel | Chief Financial Officer | Sell | 81 | $0 |
| 2026-05-29 | Tavares de Sousa Roberval | Engineering Officer | Sell | 5,900 | $0 |
Source: SEC Form 4 filings · as of 2026-06-17