Form4insider filings, from the source

Company · CIK 0001430162 · SIC 5500 — Retail-Auto Dealers & Gasoline Stations · NYSE

Cosan S.A. · CSAN

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 11, 2026 JForm 4 →Sep 15, 4:51 pm EDTRafael BergmanOther110,484$3.90$430,8880—
Sep 11, 2026 JForm 4 →Sep 15, 4:46 pm EDTMaria Rita de Carvalho DrummondOther300,992$3.90$1,173,8690—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.