1 insiders reported 4 Form 4 transactions for Cosan S.A. (CSAN3) over the past 18 months (most recent 2026-05-21). Recent activity: Martins Marcelo Eduardo (Chief Executive Officer) Buy 1.6M shares, Martins Marcelo Eduardo (Chief Executive Officer) Buy 2.4M shares, Martins Marcelo Eduardo (Chief Executive Officer) Sell 1.6M shares, Martins Marcelo Eduardo (Chief Executive Officer) Sell 2.4M shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-21 | Martins Marcelo Eduardo | Chief Executive Officer | Buy | 1.6M | $11.3M |
| 2026-05-21 | Martins Marcelo Eduardo | Chief Executive Officer | Buy | 2.4M | $12.5M |
| 2026-05-21 | Martins Marcelo Eduardo | Chief Executive Officer | Sell | 1.6M | $10.9M |
| 2026-05-21 | Martins Marcelo Eduardo | Chief Executive Officer | Sell | 2.4M | $12.5M |
Source: SEC Form 4 filings · as of 2026-05-21
