Skip to main content
Cosan S.A. logo

Cosan S.A. — Investor Relations & Filings

Ticker · CSAN ISIN · US22113B1035 LEI · 549300PGFCX2JMKKLC96 SA Transportation and storage
Open in API
Filings indexed 430 across all filing types
Latest filing 2026-06-01 Capital/Financing Update
Country BR Brazil
Listing SA CSAN

About Cosan S.A.

https://www.cosan.com.br/

Cosan S.A. is an investment holding company that manages a portfolio of businesses in essential sectors, including energy, logistics, and agribusiness. The company's operations are structured through several key entities. Raízen is engaged in the production of sugar, ethanol, and bioenergy, and the distribution of fuels and lubricants, operating under the Shell brand license. Rumo provides integrated rail-based logistics solutions, primarily for transporting agricultural commodities from production regions to ports. Compass Gás & Energia focuses on the distribution of natural gas and the development of the gas market. Moove is a global producer and distributor of lubricants. Additionally, through Radar, the company manages a diversified portfolio of agricultural properties.

Recent filings

Filing Released Lang Actions
Ofertas de Aquisição Facultativa 5ª Emissão de Debêntures e 1ª Série 4ª Emissão de Nota Comercial
Capital/Financing Update Classification · 82% confidence The document is a “retificação do comunicado de oferta de aquisição facultativa” by Cosan S.A., correcting the quantity of debentures and commercial paper in circulation under its 5th issuance of debentures and 1st series of the 4th issuance of notes. It is not a proxy, merger filing, or annual/interim report, but rather an update on the company’s financing instruments and a tender offer for its own debt. Therefore, it falls under Capital/Financing Update.
2026-06-01 Portuguese
Ofertas de Aquisição Facultativa 5ª Emissão de Debêntures e 1ª Série 4ª Emissão de Nota Comercial
Capital/Financing Update Classification · 95% confidence The document is a “Comunicado ao Mercado” from Cosan S.A. announcing a voluntary tender offer to repurchase its own debentures and commercial notes, including detailed terms, amounts, prices, and conditions. This relates directly to the company’s capital structure and financing activities. It is not a financial report, call transcript, earnings release, share issue, or insider transaction. Therefore, it best fits the Capital/Financing Update category.
2026-06-01 Portuguese
Notícias divulgadas na mídia
Regulatory Filings Classification · 85% confidence The document is a brief market notice (“Comunicado ao Mercado” / “Notice to the Market”) clarifying that Cosan is evaluating potential divestments but has made no decision on selling control. It contains no financial statements, no voting results, no formal report, and is not a proxy, capital raising, or regulatory audit. It is a general regulatory announcement to inform the market of corporate developments, fitting the fallback category “Regulatory Filings” (RNS).
2026-06-01 Portuguese
6-K
Regulatory Filings Classification · 89% confidence The document is a U.S. SEC Form 6-K (“Report of Foreign Issuer”) submitted under Rule 13a-16/15d-16, serving as a cover/reporting notice by a foreign (Brazilian) registrant. It contains no substantive financial statements or management discussion, merely meeting SEC reporting requirements. This clearly fits the definition of a regulatory announcement/filing rather than an annual or interim report. Therefore, it is classified as a Regulatory Filing (RNS).
2026-05-15 English
ITR 2026-Q1
Regulatory Filings
2026-05-14 Portuguese
6-K
Regulatory Filings
2026-05-14 English

Browse filings by year

17 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.