Cosan S.A. Form 6-K Summary
Business Context and Reporting Period
This Form 6-K, dated November 10, 2025, reports a material fact for Cosan S.A. (NYSE: CSAN; B3: CSAN3). The filing discloses the execution and effectiveness of a new Shareholders' Agreement coinciding with the settlement of the Company's first public offering of shares.
Key Financial Metrics
The filing text does not provide specific values for revenue, profit, cash flow, margins, debt, or liquidity. This report focuses exclusively on corporate governance and shareholder structure changes rather than financial performance data.
Material Changes
- Shareholders' Agreement: Controlling shareholders (Holdings Aguassanta, vehicles of the Rubens Ometto Silveira Mello family) entered into an agreement with a consortium of investors (Perfin Rally, BTG Pactual Infraestrutura III, BPAC3, and BTG Pactual Co-Investimento Cosan).
- New Holding Entity: The agreement involves Vertiz Holding S.A., a newly established holding company to manage the joint investment of Holdings Aguassanta and the Investors.
- Effectiveness: The agreement became effective upon the settlement of the Company's first public offering of shares.
- Intervening Parties: Cosan S.A. and Mr. Rubens Ometto Silveira Mello acted as consenting intervening parties to the agreement.
Outlook, Risks, and Management Commentary
Management indicates that the Shareholders' Agreement will be filed with the CVM and made available on the Company's website. The Company also commits to updating its Reference Form within legal deadlines. No specific financial guidance, risk factors, or unusual items were disclosed in this text.
Investor Verification Checklist
- Verify the full text of the Shareholders' Agreement once filed with the CVM and on the Company website.
- Confirm the updated capital structure and voting rights following the settlement of the first public offering.
- Review the upcoming updates to the Company's Reference Form for details on the new holding structure (Vertiz Holding S.A.).
- Monitor subsequent filings for financial results related to the capital raised in the offering mentioned.