Rubens Ometto Silveira Mello - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Rubens Ometto Silveira Mello has filed 1 SEC Form 4 filing across 1 company in the last 90 days - selling. Lifetime open-market sales: $267K.
Profile
Rubens Ometto Silveira Mello holds the role of Director at Cosan S.A. (CSAN). Mello has reported 1 insider filing with the SEC since 2026. The most recent filing was in May 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- Cosan S.A.
Reported roles
- Director
Awards & honors
- Long-time leadership figure in Cosan S.A. and in the Raízen joint venture with Shell.
- Helped guide Cosan's growth in the Brazilian energy, sugar and ethanol sectors, and in logistics.
Trading Pattern
InsiderAlpha's records for Rubens Ometto Silveira Mello 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.
Career & Filing History
Every role Rubens Ometto Silveira Mello has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director at Cosan S.A. (CSAN) - 1 filing, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-26 | CSAN | Cosan S.A. | S - Open-market sale | 77.6K | $3.44 | $267K |
Companies - Last 90 Days
- Cosan S.A. (CSAN) - 1 filing, last 2026-05-26
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Rubens Ometto Silveira Mello has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Marcelo Eduardo Martins - $23.82M of CSAN open-market activity in the last 12 months
- Maria Rita de Carvalho Drummond - $603K of CSAN open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Saba Capital Management, L.P.
- Nicholas S. Schorsch
- Trygve Seglem
- Lawrence B. Seidman
- Thomas J. Shaw
- Silver Point Capital L.P.
- SilverBay Capital Management LLC
- Michael Simanovsky
Frequently Asked Questions
Who is Rubens Ometto Silveira Mello?
Rubens Ometto Silveira Mello holds the role of Director at Cosan S.A. (CSAN). Mello has reported 1 insider filing with the SEC since 2026. The most recent filing was in May 2026.…
How many SEC Form 4 filings has Rubens Ometto Silveira Mello submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Rubens Ometto Silveira Mello been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($267K) across all tracked filings.
Where can I see all of Rubens Ometto Silveira Mello'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.
Learn More
Open the live Rubens Ometto Silveira Mello profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.