CSAN3 Insider Trading Activity and SEC Form 4 Filings
CSAN3 insider trading summary
Over the past 12 months, insiders at Cosan S.A. (CSAN3) reported 2 open-market purchases worth $23.8M by 1 insider and no sales on SEC Form 4. Net insider buying was $23.8M.
Latest CSAN3 insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| May 19, 2026 | Marcelo Eduardo Martins | Chief Executive Officer | Buy | $12.5M (2,441,528 @ $5.14) |
| Apr 10, 2026 | Marcelo Eduardo Martins | Chief Executive Officer | Buy | $11.3M (1,599,086 @ $7.05) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.