CSAN Insider Trading Activity and SEC Form 4 Filings
CSAN insider trading summary
Over the past 12 months, insiders at Cosan S.A. (CSAN) reported 8 open-market purchases worth $1.4M by 1 insider and 4 sales worth $870K by 2 insiders on SEC Form 4. Net insider buying was $522K.
Latest CSAN insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| May 26, 2026 | Burkhard Otto Cordes | Director | Buy | $43K (10,000 @ $4.25) |
| May 26, 2026 | Burkhard Otto Cordes | Director | Buy | $43K (10,000 @ $4.27) |
| May 26, 2026 | Burkhard Otto Cordes | Director | Buy | $213K (50,000 @ $4.26) |
| May 26, 2026 | Burkhard Otto Cordes | Director | Buy | $43K (10,000 @ $4.25) |
| May 26, 2026 | Burkhard Otto Cordes | Director | Buy | $43K (10,000 @ $4.27) |
| May 26, 2026 | Burkhard Otto Cordes | Director | Buy | $213K (50,000 @ $4.26) |
| May 22, 2026 | Rubens Ometto Silveira Mello | Director | Sell | $267K (77,640 @ $3.44) |
| May 18, 2026 | Burkhard Otto Cordes | Director | Buy | $398K (89,000 @ $4.47) |
| May 18, 2026 | Burkhard Otto Cordes | Director | Buy | $398K (89,000 @ $4.47) |
| Apr 17, 2026 | Maria Rita de Carvalho Drummond | Chief Legal Officer | Sell | $205K (37,400 @ $5.48) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.