4processed

Form 4 — Insider Transaction

Cosan S.A.(CSAN)

Filing Date

April 10, 2026

Accepted

April 10, 2026

Accession No.

0001292814-26-003161

CIK

0001430162

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Martins Marcelo EduardoChief Executive OfficerOther1.60M$7.0483.12MCOMMON STOCK (BVMF: CSAN3)Apr 10, 2026
Martins Marcelo EduardoChief Executive OfficerOther2.44M$5.144.89MCOMMON STOCK (BVMF: CSAN3)May 19, 2026
Martins Marcelo EduardoChief Executive OfficerOther1.55M$7.0484.79MLONG TERM INCENTIVE (BVMF: CSAN3)Apr 10, 2026
Martins Marcelo EduardoChief Executive OfficerOther2.44M$5.142.35MLONG TERM INCENTIVE (BVMF: CSAN3)May 19, 2026