X0609 4 2026-05-18 0 0001430162 Cosan S.A. CSAN CSAN3 0001974588 Cordes Burkhard Otto true AV. BRIGADEIRO FARIA LIMA, 4100 16TH FLOOR SAO PAULO D5 01546-100 BRAZIL 1 0 0 0 0 COMMON STOCK (BVMF: CSAN3) 2026-05-18 4 P 0 89000 4.4700 A 1439000 I DGF UBER ALLES FIM CP IE COMMON STOCK (BVMF: CSAN3) 2026-05-26 4 P 0 10000 4.2700 A 1449000 I DGF UBER ALLES FIM CP IE COMMON STOCK (BVMF: CSAN3) 2026-05-26 4 P 0 50000 4.2600 A 1499000 I DGF UBER ALLES FIM CP IE COMMON STOCK (BVMF: CSAN3) 2026-05-26 4 P 0 10000 4.2500 A 1509000 I DGF UBER ALLES FIM CP IE COMMON STOCK (BVMF: CSAN3) 42332 D ADS CSAN 857610 D Amounts stated in Brazilian reais. Each American Depositary Share represents four shares of Common Stock. This Form 4 was initially filed on June 9, 2026. Due to an administrative error it was filed under the CIK of Cosan Ltd. It is being refiled under the correct CIK. /s/ Cordes Burkhard Otto 2026-09-15