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Cosan S.A. (CSAN) Form 6-K — Oct 20, 2026

$CSANForm 6-KFiled Oct 20, 2026, 7:37 PM ET0001554855-26-002144Original filing

Cosan S.A. disclosed that exclusive negotiations with potential investors over the sale of its equity interest in Rumo S.A. have expired without a deal it deemed strategically and commercially appropriate. The filing follows a June 29, 2026 Notice to the Market and an August 20, 2026 Material Fact, meaning a closely watched asset-sale process has stalled at the exclusivity stage.

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