Form 4 for SBS COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP
Accepted 2026-05-15 13:38:20 ET · period of report 2026-05-01 · accession 0001292814-26-003069 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-05-15 13:38 | 2026-05-01 | SBS | Leone Piani Carlos Augusto | CEO | M - OptEx | — | +50.3K | 64.7K | +349% | — |
| D | 2026-05-15 13:38 | 2026-05-01 | SBS | Leone Piani Carlos Augusto | CEO | F - Tax | $6.69 | -13.8K | 36.5K | -27% | -$92.5K |
| D | 2026-05-15 13:38 | 2026-05-01 | SBS | Leone Piani Carlos Augusto | CEO | M - OptEx | $0.00 | -50.3K | 955.7K | -5% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Shares | 2026-05-01 | M | A | 50,295 | — | 64,703 | D | — | — | (F1) On April 29, 2025, the reporting person was granted an aggregate of 1,005,951 restricted stock units ("RSUs"), vesting on May 1, 2026, May 1, 2027, May 1, 2028, May 1, 2029, May 1, 2030, May 1, 2031, May 1, 2032 and May 1, 2033, subject to continued service as an officer of the issuer. Each RSU represents the contingent right to receive one Common Share of the Issuer upon vesting. |
| 2 | Common | Common Shares | 2026-05-01 | F | D | 13,831 | $6.69 | 36,464 | D | — | — | |
| 3 | Derivative | Restricted Stock Units | 2026-05-01 | M | D | 50,295 | $0.00 | 955,656 | D | — · — to — | 50,295 Common Shares | (F1) On April 29, 2025, the reporting person was granted an aggregate of 1,005,951 restricted stock units ("RSUs"), vesting on May 1, 2026, May 1, 2027, May 1, 2028, May 1, 2029, May 1, 2030, May 1, 2031, May 1, 2032 and May 1, 2033, subject to continued service as an officer of the issuer. Each RSU represents the contingent right to receive one Common Share of the Issuer upon vesting. (F1) On April 29, 2025, the reporting person was granted an aggregate of 1,005,951 restricted stock units ("RSUs"), vesting on May 1, 2026, May 1, 2027, May 1, 2028, May 1, 2029, May 1, 2030, May 1, 2031, May 1, 2032 and May 1, 2033, subject to continued service as an officer of the issuer. Each RSU represents the contingent right to receive one Common Share of the Issuer upon vesting. (F1) On April 29, 2025, the reporting person was granted an aggregate of 1,005,951 restricted stock units ("RSUs"), vesting on May 1, 2026, May 1, 2027, May 1, 2028, May 1, 2029, May 1, 2030, May 1, 2031, May 1, 2032 and May 1, 2033, subject to continued service as an officer of the issuer. Each RSU represents the contingent right to receive one Common Share of the Issuer upon vesting. |