Maria Rita de Carvalho Drummond - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Maria Rita de Carvalho Drummond has filed 1 SEC Form 4 filing across 1 company in the last 90 days - selling. Lifetime open-market sales: $603K.
Profile
Maria Rita de Carvalho Drummond is the Chief Legal Officer at Cosan S.A. (CSAN). Drummond has reported 1 insider filing with the SEC since 2026. The most recent filing was in May 2026.
| Role | Chief Legal Officer |
|---|---|
| Notability | 34/100 |
Board memberships
- Cosan S.A.
Reported roles
- Chief Legal Officer
Awards & honors
- Chief Legal Officer at Cosan S.A. (as of 2026-05-21)
Trading Pattern
InsiderAlpha's records for Maria Rita de Carvalho Drummond 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 Maria Rita de Carvalho Drummond 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.
- Chief Legal Officer at Cosan S.A. (CSAN) - 1 filing, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-21 | CSAN | Cosan S.A. | J - Other acquisition / disposition | 281.0K | $5.14 | $1.44M |
| 2026-05-21 | CSAN | Cosan S.A. | J - Other acquisition / disposition | 281.0K | $5.14 | $1.44M |
| 2026-05-21 | CSAN | Cosan S.A. | S - Open-market sale | 37.4K | $5.48 | $205K |
| 2026-05-21 | CSAN | Cosan S.A. | S - Open-market sale | 36.2K | $5.48 | $198K |
| 2026-05-21 | CSAN | Cosan S.A. | S - Open-market sale | 35.8K | $5.57 | $199K |
Companies - Last 90 Days
- Cosan S.A. (CSAN) - 1 filing, last 2026-05-21
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Maria Rita de Carvalho Drummond 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
- Rubens Ometto Silveira Mello - $267K 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:
- Frank Martell
- Martin Product Sales LLC
- Marcelo Eduardo Martins
- Neil Mehta
- Keith A. Meister
- MetLife Investment Management, LLC
- John Micek
- Andrew J. Mills
Frequently Asked Questions
Who is Maria Rita de Carvalho Drummond?
Maria Rita de Carvalho Drummond is the Chief Legal Officer at Cosan S.A. (CSAN). Drummond 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 Maria Rita de Carvalho Drummond submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Maria Rita de Carvalho Drummond been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($603K) across all tracked filings.
Where can I see all of Maria Rita de Carvalho Drummond'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 Maria Rita de Carvalho Drummond profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.