Marcelo Eduardo Martins - 18 Mar 2026 Form 3 Insider Report for Cosan S.A. (CSAN)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: CSAN
Reported as of: 18 Mar 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 31 Mar 2026, 14:31:54 UTC
Next SEC filing: 21 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Marcelo Eduardo Martins

Key filing fact

Marcelo Eduardo Martins filed Form 3 for Cosan S.A. (CSAN) on 31 Mar 2026.

Key facts

This page summarizes Marcelo Eduardo Martins's Form 3 filing for Cosan S.A. (CSAN).
0 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 31 Mar 2026, 14:31.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001983639 Primary reporting owner

Martins Marcelo Eduardo

Relationship: Chief Executive Officer, Director
Address: AV. BRIGADEIRO FARIA LIMA, 4,100 16TH FLOOR, SAO PAULO, BRAZIL
Signature: /s/ Marcelo Eduardo Martins
Signature date: 31 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CSAN holding

COMMON STOCK (BVMF: CSAN3)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,960,840
Date: 18 Mar 2026
Ownership: Direct

CSAN holding

ADS CSAN1

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,613,666
Date: 18 Mar 2026
Ownership: Direct

CSAN holding

LONG TERM INCENTIVE (BVMF: CSAN3)2

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 6,347,353
Date: 18 Mar 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

SEC remarks

1. Each American Depositary Share represents four shares of Common Stock; 2. Right to receive shares resulting from Long-Term Incentive Programs - The Program designates eligible individuals of the Cosan Group who are granted shares, subject to continued service with the Group for a specified period (vesting), and which may also be linked to the achievement of certain performance targets. As of this date, the amount reported represents the number of shares granted to the reporting person. Such amount may increase or decrease as of the actual delivery date, depending on the level of achievement of the applicable targets and the applicable tax effects.