COSAN S A ADR (CSAN) insider trading activity (SEC Form 4). Over the trailing 90 days, CSAN insiders filed 2 purchases totalling $24.5M and 2 sales totalling $870K — net BUYING of $23.6M. Most recent filing: Jun 9, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| May 26, 2026 | Mello Rubens Ometto Silveira | Dir | S Sale | — | $3.44 | $267K | filing |
| Jun 9, 2026 | Cordes Burkhard Otto | Dir | P Purchase | — | $4.38 | $696K | filing |
| May 21, 2026 | Drummond Maria Rita De Carvalho | GC | S Sale | — | $5.51 | $603K | filing |
| May 21, 2026 | Martins Marcelo Eduardo | CEO | P Purchase | — | $5.90 | $23.8M | filing |