Summary
Updated Aug 31, 2026
Valle Fehlberg Gustavo Do is Corporate Services Officer of COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP (SBS). 1 SEC Form 4 filing on record, dated 15 May 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Valle Fehlberg Gustavo Do has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Valle Fehlberg Gustavo Do go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Valle Fehlberg Gustavo Do files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Daniel Szlak - $250K of SBS open-market activity in the last 12 months
- de Sousa Roberval Tavares - $204K of SBS open-market activity in the last 12 months
- de Sousa Samanta I.S. Tavares - $196K of SBS open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Valle Fehlberg Gustavo Do?
Valle Fehlberg Gustavo Do is a corporate insider, tracked as Corporate Services Officer of COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP (SBS). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Valle Fehlberg Gustavo Do last file a Form 4?
The only primary Form 4 on record is dated 15 May 2026.
Where can I see all of Valle Fehlberg Gustavo Do's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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