🕵️ Cosan Ltd. ($CSAN)
SEC insider & ownership activity, last 12 months · CIK 1402902 · every row links its SEC filing
Over the last 12 months insiders sold $870K against $24.5M of open-market buying. Martins Marcelo Eduardo bought $23.8M in discretionary trades (Apr–May). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $24.5M (6 lots) · 2 sellers, $870K (4 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Martins Marcelo Eduardo | 2 | $23.8M | 0 | – | May 19, 2026 |
| Cordes Burkhard Otto | 4 | $696K | 0 | – | May 26, 2026 |
| Drummond Maria RITA de Carvalho | 0 | – | 3 | $603K | Apr 17, 2026 |
| Mello Rubens Ometto Silveira | 0 | – | 1 | $267K | May 22, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Rubens Ometto Silveira Mello | 20.7% | 13D | Nov 10, 2025 | filing ↗ | |
| Aguassanta Investimentos S.a. | 18.0% | 13D | Nov 10, 2025 | filing ↗ | |
| Blackrock, Inc. | 6.1% | 13G | Feb 14, 2025 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
No 8-K filings in the last 12 months.