List of insiders holdings for COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Leone Piani Carlos Augusto CEO | 2026-05-15 13:38:20 | 992,120 14,408 | 1,006,528 | Form 4 |
| 2 | Godinho Domingues Luciane Reg. & Energy Proc. Officer | 2026-05-15 13:57:00 | 38,421 0 | 38,421 | Form 4 |
| 3 | Maciel Maia Denis Customer & Technology Officer | 2026-05-15 13:47:41 | 37,914 0 | 37,914 | Form 4 |
| 4 | Pierini Longo Debora Operations & Maint. Officer | 2026-05-15 13:44:43 | 30,705 0 | 30,705 | Form 4 |
| 5 | Costa Strauch Rafael New Bus. & Projects Officer | 2026-05-15 14:03:28 | 29,504 0 | 29,504 | Form 4 |
| 6 | Bressane Junior Josue Chief People Officer | 2026-05-15 13:54:03 | 27,457 0 | 27,457 | Form 4 |
| 7 | Do Valle Fehlberg Gustavo Corporate Services Officer | 2026-05-15 13:50:39 | 27,457 0 | 27,457 | Form 4 |
| 8 | Lima Peralta Maria Alicia Chief Legal Officer | 2026-05-15 14:00:10 | 22,500 0 | 22,500 | Form 4 |
| 9 | Miranda da Paz Junior Augusto Director | 2026-03-19 06:34:14 | 2,877 0 | 2,877 | Form 3 |
| 10 | Tavares de Sousa Roberval Engineering Officer | 2026-06-17 16:23:29 | 76 0 | 76 | Form 4/A |
| 11 | Tavares de Sousa Samanta I.S. Inst. Rel. & Sustain. Officer | 2026-06-17 16:21:47 | 43 0 | 43 | Form 4/A |
| 12 | Affonso Bandeira Mateus Director | 2026-03-19 06:39:06 | 0 0 | 0 | Form 3 |
| 13 | Freire Amado Tinn Director | 2026-03-19 06:38:07 | 0 0 | 0 | Form 3 |
| 14 | Bertocco Trindade Karla Director | 2026-03-19 06:36:51 | 0 0 | 0 | Form 3 |
| 15 | Rocha Gattass Gustavo Director | 2026-03-19 06:35:27 | 0 0 | 0 | Form 3 |
| 16 | Parente Menezes Eduardo Director | 2026-03-19 06:34:17 | 0 0 | 0 | Form 3 |
| 17 | Polto da Cunha Claudia Director | 2026-03-19 06:32:57 | 0 0 | 0 | Form 3 |
| 18 | Marcio de Oliveira Anderson Director | 2026-03-19 06:31:46 | 0 0 | 0 | Form 3 |
| 19 | Szlak Daniel Chief Financial Officer | 2026-06-17 16:19:37 | 0 0 | 0 | Form 4/A |
| 20 | Goncalves Silva Alexandre Director | 2026-03-19 06:30:13 | 0 0 | 0 | Form 3 |