CSAN Cosan S.A.: institutional ownership and insider trading
Over the last 12 months insiders bought $24.5M and sold $870K on the open market.
Recent CSAN insider trades
- May 26, 2026: Cordes Burkhard Otto bought 159,000 shares ($696K)
- May 22, 2026: Mello Rubens Ometto Silveira sold 77,640 shares ($267K)
- May 19, 2026: Martins Marcelo Eduardo bought 4,040,614 shares ($23.8M)
- Apr 17, 2026: Drummond Maria Rita de Carvalho sold 109,400 shares ($603K)
5%+ owners
- Rubens Ometto Silveira Mello: 20.7% (Schedule 13D/A, filed Nov 12, 2025)
- BlackRock, Inc.: 6.1% (Schedule 13G, filed Feb 14, 2025)