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Insider buying
Marcelo Eduardo Martins bought $23.8M of Cosan S.A. (CSAN) stock
Marcelo Eduardo Martins, Chief Executive Officer of Cosan S.A. (CSAN), bought 4,040,614 shares of CSAN stock worth $23.8M, per an SEC Form 4 filed May 22, 2026.
It was an open-market purchase.
The trade happened on Apr 10, 2026, 42 days before it was made public.
CSAN has moved -37.9% since the trade date, from $4.43 to $2.75 (Sep 18, 2026 close).
- Traded
- Apr 10, 2026
- Disclosed
- May 22, 2026
- Filing delay
- 42 days
- Price since
- -37.9%
- Role
- Chief Executive Officer
- Source
- SEC Form 4
More CSAN insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.