SecSonar.com

Cosan S.A. (CSAN)

Cosan S.A. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Cosan S.A. (CSAN) is a Oil & Gas Refining & Marketing company based in BR with a market capitalization of $2.9B. Revenue declined 8.0% year-over-year and the company generated $14.3M in free cash flow. This page tracks CSAN's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

BR · 53.5K employees · IPO Mar 8, 2021

Valuation

Valuation & price

$3.35 · as of May 26, 2026 · -43.8% vs 52w high

—

P/E ratio

Latest-FY diluted EPS

—

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$5.88$4.25$2.62Jul 25Dec 25Jul 26Jul 7, 25$5.04Jul 9, 25$4.86Jul 11, 25$4.59Jul 15, 25$4.53Jul 17, 25$4.43Jul 21, 25$4.15Jul 23, 25$4.24Jul 25, 25$4.32Jul 29, 25$4.15Jul 31, 25$4.23Aug 4, 25$4.18Aug 6, 25$4.25Aug 11, 25$4.12Aug 13, 25$4.28Aug 15, 25$4.05Aug 19, 25$3.92Aug 21, 25$3.81Aug 25, 25$4.01Aug 27, 25$4.10Aug 29, 25$4.28Sep 3, 25$4.87Sep 5, 25$5.31Sep 9, 25$5.29Sep 11, 25$5.47Sep 16, 25$5.82Sep 18, 25$5.88Sep 22, 25$4.65Sep 24, 25$4.99Sep 26, 25$4.63Sep 30, 25$4.60Oct 2, 25$4.40Oct 6, 25$4.50Oct 8, 25$4.38Oct 10, 25$4.22Oct 14, 25$4.28Oct 16, 25$4.16Oct 21, 25$4.44Oct 23, 25$4.55Oct 27, 25$4.54Oct 29, 25$4.51Oct 31, 25$4.59Nov 4, 25$4.31Nov 6, 25$4.68Nov 10, 25$4.91Nov 12, 25$5.19Nov 14, 25$5.09Nov 18, 25$4.76Nov 20, 25$4.55Nov 25, 25$4.71Nov 28, 25$4.89Dec 2, 25$5.34Dec 4, 25$5.45Dec 8, 25$4.93Dec 10, 25$4.80Dec 12, 25$4.64Dec 16, 25$4.33Dec 18, 25$4.20Dec 22, 25$3.92Dec 24, 25$3.88Dec 29, 25$3.91Jan 2, 26$3.93Jan 6, 26$4.00Jan 8, 26$3.87Jan 12, 26$3.99Jan 14, 26$3.85Jan 16, 26$3.85Jan 21, 26$4.06Jan 23, 26$4.35Jan 27, 26$4.55Jan 29, 26$4.57Feb 2, 26$4.40Feb 4, 26$4.45Feb 9, 26$4.75Feb 11, 26$5.03Feb 13, 26$4.69Feb 18, 26$4.88Feb 20, 26$5.06Feb 24, 26$5.32Feb 26, 26$5.26Mar 2, 26$4.80Mar 4, 26$4.61Mar 6, 26$4.25Mar 10, 26$4.75Mar 12, 26$4.30Mar 17, 26$4.03Mar 19, 26$4.03Mar 23, 26$4.08Mar 25, 26$4.16Mar 27, 26$3.86Mar 31, 26$4.12Apr 2, 26$4.19Apr 7, 26$4.06Apr 9, 26$4.31Apr 13, 26$4.39Apr 15, 26$4.33Apr 17, 26$4.19Apr 22, 26$4.12Apr 24, 26$4.08Apr 28, 26$4.21Apr 30, 26$4.03May 4, 26$4.09May 6, 26$4.25May 8, 26$4.17May 12, 26$3.88May 14, 26$3.69May 18, 26$3.53May 20, 26$3.45May 22, 26$3.36May 28, 26$3.11Jun 1, 26$3.06Jun 3, 26$2.85Jun 5, 26$2.79Jun 9, 26$2.69Jun 11, 26$2.66Jun 15, 26$2.62Jun 17, 26$2.72Jun 22, 26$2.82Jun 24, 26$2.89Jun 26, 26$2.91Jul 2, 26$2.88
$2.5952-week range$5.95
Loading valuation history…

Fundamentals

Key fundamentals

$2.9B

Market cap

-8.0%

Revenue growth (YoY)

32.6%

Gross margin

$14.3M

Free cash flow (USD)

$40.5B

Net debt

-31.0%

Share dilution

2/6

Graham criteria passed

Defensive-investor screen

Energy

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$7.5BFY 2017$7.7BFY 2018$10.3BFY 2019$13.6BFY 2020$13.5BFY 2021$26.1BFY 2022$39.3BFY 2023$39.5BFY 2024$44.0BFY 2025$40.4B
$7.5B$40.4B

Free cash flow by year

2016 → 2025

FY 2016$1.7BFY 2017$1.4BFY 2018$2.1BFY 2019$2.0BFY 2020$1.1BFY 2021$372.4MFY 2022$5.4BFY 2023$4.0BFY 2024$5.2BFY 2025$73.7M
$1.7B$73.7M

Gross margin by year

2021 → 2025

FY 202122.3%FY 202222.3%FY 202327.7%FY 202431.2%FY 202532.6%
22.3%32.6%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

1

Insider buys · 90 days

2

Insider sells · 90 days

Earnings

Last reported: May 14, 2026 (EPS $-0.31)

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 6-K filingProperty Sale AgreementJun 17, 2026Filing
  • Insider sellInsider Sell $267KMello Rubens Ometto Silveira · Director · $267.1KMay 26, 2026Filing
  • Insider sellInsider Sell $603KDrummond Maria Rita de Carvalho · Chief Legal Officer · $602.8KMay 21, 2026Filing
  • Insider buyInsider Buy $23.8MMartins Marcelo Eduardo · Director, Chief Executive Officer · $23.8MMay 21, 2026Filing
  • 6-K filingRegulatory UpdateMay 15, 2026Filing
  • Annual reportAnnual Report FiledMay 14, 2026Filing
  • 6-K filingSecondary Public OfferingMay 8, 2026Filing
  • 6-K filingSecondary Public OfferingApr 28, 2026Filing
  • Annual reportAnnual Report FiledApr 13, 2026Filing
  • Annual report20-F FiledApr 10, 2026Filing

Questions

Frequently asked questions

What is Cosan S.A.'s market cap?

Cosan S.A. (CSAN) has a market capitalization of $2.9B.

What is CSAN's P/E ratio?

A meaningful P/E ratio is not available for CSAN — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

When did Cosan S.A. last report earnings?

CSAN last reported earnings on May 14, 2026; the next date is not yet scheduled.

Are insiders buying CSAN stock?

Yes — SEC Form 4 filings show 1 open-market insider buy and 2 sells at Cosan S.A. in the last 90 days.

Same arena

Related companies in Oil & Gas Refining & Marketing

PARR

Par Pacific Holdings, Inc.

$2.8B

DK

Delek US Holdings, Inc.

$2.7B

CVI

CVR Energy, Inc.

$3.4B

VVV

Valvoline Inc.

$4.3B

WKC

World Kinect Corporation

$1.5B

PBF

PBF Energy Inc.

$4.7B

Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.