Summary
Updated Aug 31, 2026
Mariana Cahen Margulies is Officer w/o Specific Desig of Banco Santander (Brasil) S.A. (BSBR). 1 SEC Form 4 filing on record, dated 6 August 2026. Most recent open-market trade: sold $243K of BSBR on 6 August 2026. Lifetime open-market sales: $243K.
Recent Transactions
1Every recent SEC Form 4 transaction Mariana Cahen Margulies has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Mariana Cahen Margulies 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 Mariana Cahen Margulies 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.
- Mario Roberto Opice Leao - $5.70M of BSBR open-market activity in the last 12 months
- Abreu Germanuela de Almeida de - $326K of BSBR open-market activity in the last 12 months
- Paulo Fernando Alves Lima - $252K of BSBR open-market activity in the last 12 months
- Franco Luigi Fasoli - $249K of BSBR open-market activity in the last 12 months
- Robson de Souza Rezende - $227K of BSBR open-market activity in the last 12 months
- Ana Paula Vitali Janes Vescovi - $220K of BSBR 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 Mariana Cahen Margulies?
Mariana Cahen Margulies is a corporate insider, tracked as Officer w/o Specific Desig of Banco Santander (Brasil) S.A. (BSBR). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Mariana Cahen Margulies submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Mariana Cahen Margulies been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($243K) across all tracked filings.
Where can I see all of Mariana Cahen Margulies'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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