NYSE · CSAN

Cosan S.A.

Energy · Oil & Gas Refining & Marketing

$2.75

Down-$0.05 (-1.61%)

Updated Nov 4, 2026, 6:44 PM

SID Score

4.5/10

Composite research score

Smart Money

—

Institutional and insider signal

Market cap: 2.24B
P/E ratio: -0.85
Dividend yield: 0.00%
52-week range: $2.38 – $4.85
Volume: 2.39M
Avg. volume: 2.23M

Price performance · CSAN

CSAN price history

1M range · 0 trading sessions · Daily adjusted prices

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Latest CSAN news

The latest Smart Investors Daily articles mentioning CSAN.

priceJul 6, 2026

Cosan S.A. (CSAN) Surges 5.2% on Heavy Volume

priceMar 9, 2026

Cosan S.A. (CSAN) Surges 5.3% on Heavy Volume

Latest CSAN news

The latest Smart Investors Daily articles mentioning CSAN.

CSAN research

SEC Filings

Recent regulatory filings and source documents.

SEC filing history

Open a filing to view the original source document.

CSAN SEC filings
Filed	Form	Description	Accepted	Document
Oct 27, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 15, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 15, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 15, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 12, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 12, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Nov 14, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 14, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 14, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 10, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 4, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Oct 30, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Oct 24, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Oct 24, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Sep 22, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Sep 4, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Aug 14, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Aug 14, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
May 15, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
May 15, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Apr 30, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Mar 10, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Mar 10, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Feb 26, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Feb 25, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Feb 11, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Feb 10, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jan 31, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jan 29, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jan 16, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 14, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 14, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 13, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 8, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Oct 21, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Oct 9, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Oct 1, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Aug 14, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Aug 14, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
May 29, 2024	6-K/A	Form 6-K/A - Report of foreign issuer [Rules 13a-16 and 15d-16]: [Amend]	—	Open source
May 29, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
May 28, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
May 28, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
May 28, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Apr 29, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Apr 26, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Apr 25, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Apr 19, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Mar 28, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Mar 25, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source

Filed

Form

Description

Accepted

Document

Oct 27, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 15, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 15, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 15, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 12, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 12, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Nov 14, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Nov 14, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Nov 14, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Nov 10, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Nov 4, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Oct 30, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Oct 24, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Oct 24, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Sep 22, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Sep 4, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Aug 14, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Aug 14, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

May 15, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

May 15, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Apr 30, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Mar 10, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Mar 10, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Feb 26, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Feb 25, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Feb 11, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Feb 10, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Jan 31, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Jan 29, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Jan 16, 2025

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Nov 14, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Nov 14, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Nov 13, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Nov 8, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Oct 21, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Oct 9, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Oct 1, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Aug 14, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Aug 14, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

May 29, 2024

6-K/A

Form 6-K/A - Report of foreign issuer [Rules 13a-16 and 15d-16]: [Amend]

—

Open source

May 29, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

May 28, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

May 28, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

May 28, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Apr 29, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Apr 26, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Apr 25, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Apr 19, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Mar 28, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Mar 25, 2024

6-K

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

—

Open source

Cosan S.A. (CSAN) Surges 5.2% on Heavy Volume

Cosan S.A. (CSAN) Surges 5.3% on Heavy Volume

Featured By

Cosan S.A. (CSAN) Surges 5.2% on Heavy Volume

Cosan S.A. (CSAN) Surges 5.3% on Heavy Volume