Form 4: Cosan CEO Reports Stock Transaction
Insider Transaction (Form 4)
Marcelo Eduardo Martins, Chief Executive Officer and a Director of Cosan S.A., reported multiple transactions in common stock on October 23, 2026.
Summary
- Other acquisition/disposition: acquired 46,298 COMMON STOCK (BVMF: CSAN3) at $5.40 ($250,009) on October 23, 2026; holds 5,124,299 after (Direct).
- Other acquisition/disposition: disposed of 46,298 LONG TERM INCENTIVE (BVMF: CSAN3) at $5.40 ($250,009) on October 23, 2026; holds 2,028,232 after (Direct).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
Marcelo Eduardo Martins — Director, Officer (Chief Executive Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-10-23 | Other acquisition/disposition | COMMON STOCK (BVMF: CSAN3) | 46,298 | $5 | $250.0K | 5,124,299 |
| 2026-10-23 | Other acquisition/disposition | LONG TERM INCENTIVE (BVMF: CSAN3) | 46,298 | $5 | $250.0K | 2,028,232 |
Key Dates
| Date | Description |
|---|---|
| 2026-10-23 | Other acquisition/disposition (46,298 shares) |
| 2026-10-23 | Other acquisition/disposition (46,298 shares) |
Keywords
insider transaction, Form 4, CSANY, Cosan S.A., neutral, Marcelo Eduardo Martins
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