Cosan S.A. SEC filings CSANY
Cosan S.A. has 214 filings in SEC EDGAR's recent list, going back to Mar 19, 2008. Its latest annual report, Form 20-F, was filed on Apr 10, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 29, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Oct 29, 2026 | Oct 28, 2026 |
| 4 | Insider transaction | Oct 27, 2026 | Oct 23, 2026 |
| 6-K | Current report (foreign issuer) | Oct 21, 2026 | Oct 20, 2026 |
| 20-F/A | Amended annual report (foreign issuer) | Oct 15, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 11, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 11, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | May 18, 2026 |
| 3 | Initial insider ownership | Sep 10, 2026 | Sep 9, 2026 |
| 6-K | Current report (foreign issuer) | Sep 8, 2026 | Sep 8, 2026 |
| 25 | Form 25 | Sep 8, 2026 | — |
| 6-K | Current report (foreign issuer) | Aug 20, 2026 | Aug 20, 2026 |
| 6-K | Current report (foreign issuer) | Aug 18, 2026 | Aug 18, 2026 |
| 6-K | Current report (foreign issuer) | Aug 17, 2026 | Aug 14, 2026 |
| 6-K | Current report (foreign issuer) | Aug 17, 2026 | Aug 14, 2026 |
| 6-K | Current report (foreign issuer) | Aug 17, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 6-K | Current report (foreign issuer) | Jul 9, 2026 | Jul 9, 2026 |
| 6-K | Current report (foreign issuer) | Jun 17, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 22, 2026 |
| 4 | Insider transaction | May 21, 2026 | Apr 10, 2026 |
| 4 | Insider transaction | May 21, 2026 | Apr 15, 2026 |
| 6-K | Current report (foreign issuer) | May 15, 2026 | May 15, 2026 |
| 6-K | Current report (foreign issuer) | May 14, 2026 | May 14, 2026 |
| 6-K | Current report (foreign issuer) | May 8, 2026 | May 7, 2026 |
| 6-K | Current report (foreign issuer) | Apr 28, 2026 | Feb 27, 2026 |
| 3 | Initial insider ownership | Apr 13, 2026 | Mar 18, 2026 |
| 6-K | Current report (foreign issuer) | Apr 13, 2026 | Apr 10, 2026 |
| 20-F | Annual report (foreign issuer) | Apr 10, 2026 | Dec 31, 2025 |
| 3 | Initial insider ownership | Apr 2, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 25, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 24, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 6-K | Current report (foreign issuer) | Mar 11, 2026 | Mar 11, 2026 |
| 6-K | Current report (foreign issuer) | Mar 10, 2026 | Mar 9, 2026 |
| 6-K | Current report (foreign issuer) | Mar 10, 2026 | Mar 9, 2026 |
| 6-K | Current report (foreign issuer) | Mar 6, 2026 | Mar 5, 2026 |
| 6-K | Current report (foreign issuer) | Feb 23, 2026 | Feb 23, 2026 |
| 6-K | Current report (foreign issuer) | Feb 2, 2026 | Feb 2, 2026 |
| 6-K | Current report (foreign issuer) | Feb 2, 2026 | Jan 30, 2026 |
| 6-K | Current report (foreign issuer) | Jan 20, 2026 | Jan 16, 2026 |
| 6-K | Current report (foreign issuer) | Dec 31, 2025 | Dec 30, 2025 |
| 6-K | Current report (foreign issuer) | Dec 23, 2025 | Dec 22, 2025 |
| 6-K | Current report (foreign issuer) | Dec 16, 2025 | Dec 15, 2025 |
| 6-K | Current report (foreign issuer) | Nov 17, 2025 | Nov 14, 2025 |
| 6-K | Current report (foreign issuer) | Nov 17, 2025 | Nov 14, 2025 |
| 6-K | Current report (foreign issuer) | Nov 14, 2025 | Nov 14, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 12, 2025 | — |
| 6-K | Current report (foreign issuer) | Nov 10, 2025 | Nov 10, 2025 |
| 6-K | Current report (foreign issuer) | Nov 4, 2025 | Nov 4, 2025 |
| 6-K | Current report (foreign issuer) | Oct 31, 2025 | Oct 30, 2025 |
| 6-K | Current report (foreign issuer) | Oct 24, 2025 | Oct 24, 2025 |
| 6-K | Current report (foreign issuer) | Oct 24, 2025 | Oct 24, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 23, 2025 | — |
| 6-K | Current report (foreign issuer) | Sep 22, 2025 | Sep 21, 2025 |
| 6-K | Current report (foreign issuer) | Sep 4, 2025 | Sep 4, 2025 |
| 6-K | Current report (foreign issuer) | Aug 15, 2025 | Aug 14, 2025 |
| 6-K | Current report (foreign issuer) | Aug 15, 2025 | Aug 14, 2025 |
| 6-K | Current report (foreign issuer) | May 16, 2025 | May 15, 2025 |
| 6-K | Current report (foreign issuer) | May 16, 2025 | May 15, 2025 |
| 6-K | Current report (foreign issuer) | May 1, 2025 | Apr 30, 2025 |
| 20-F | Annual report (foreign issuer) | Apr 30, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 11, 2025 | Mar 10, 2025 |
| 6-K | Current report (foreign issuer) | Mar 11, 2025 | Mar 10, 2025 |
| 6-K | Current report (foreign issuer) | Feb 27, 2025 | Feb 26, 2025 |
| 6-K | Current report (foreign issuer) | Feb 25, 2025 | Feb 24, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| 6-K | Current report (foreign issuer) | Feb 11, 2025 | Feb 11, 2025 |
| 6-K | Current report (foreign issuer) | Feb 10, 2025 | Feb 10, 2025 |
| 6-K | Current report (foreign issuer) | Jan 31, 2025 | Jan 31, 2025 |
| 6-K | Current report (foreign issuer) | Jan 30, 2025 | Jan 29, 2025 |
| 6-K | Current report (foreign issuer) | Jan 16, 2025 | Jan 16, 2025 |
| 6-K | Current report (foreign issuer) | Nov 14, 2024 | Nov 13, 2024 |
| 6-K | Current report (foreign issuer) | Nov 14, 2024 | Nov 13, 2024 |
| 6-K | Current report (foreign issuer) | Nov 13, 2024 | Sep 30, 2024 |
| 6-K | Current report (foreign issuer) | Nov 12, 2024 | Nov 8, 2024 |
| 20-F | Annual report (foreign issuer) | Nov 8, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Oct 22, 2024 | Oct 21, 2024 |
| 6-K | Current report (foreign issuer) | Oct 10, 2024 | Oct 9, 2024 |
| 6-K | Current report (foreign issuer) | Oct 1, 2024 | Oct 1, 2024 |
| 6-K | Current report (foreign issuer) | Aug 15, 2024 | Aug 14, 2024 |
| 6-K | Current report (foreign issuer) | Aug 15, 2024 | Aug 14, 2024 |
| 6-K/A | Filing | May 29, 2024 | May 29, 2024 |
| 6-K | Current report (foreign issuer) | May 29, 2024 | May 29, 2024 |
| 6-K | Current report (foreign issuer) | May 29, 2024 | May 28, 2024 |
| 6-K | Current report (foreign issuer) | May 29, 2024 | May 28, 2024 |
| 6-K | Current report (foreign issuer) | May 29, 2024 | May 28, 2024 |
| NT 20-F | Form nt 20-f | Apr 30, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Apr 29, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Apr 29, 2024 | Apr 26, 2024 |
| 6-K | Current report (foreign issuer) | Apr 26, 2024 | Apr 25, 2024 |
| 6-K | Current report (foreign issuer) | Apr 22, 2024 | Apr 19, 2024 |
| 144 | Notice of proposed sale | Apr 4, 2024 | — |
| 144 | Notice of proposed sale | Apr 3, 2024 | — |
| 144 | Notice of proposed sale | Apr 2, 2024 | — |
| 144 | Notice of proposed sale | Apr 1, 2024 | — |
| 6-K | Current report (foreign issuer) | Mar 28, 2024 | Mar 27, 2024 |
| 6-K | Current report (foreign issuer) | Mar 26, 2024 | Mar 25, 2024 |
| UPLOAD | Letter from the SEC | Feb 5, 2024 | — |
| CORRESP | Letter to the SEC | Feb 1, 2024 | — |
| 6-K | Current report (foreign issuer) | Jan 23, 2024 | Jan 22, 2024 |
| 6-K | Current report (foreign issuer) | Jan 12, 2024 | Jan 12, 2024 |
| UPLOAD | Letter from the SEC | Jan 10, 2024 | — |
| CORRESP | Letter to the SEC | Dec 22, 2023 | — |
| 6-K | Current report (foreign issuer) | Dec 14, 2023 | Dec 14, 2023 |
| UPLOAD | Letter from the SEC | Dec 4, 2023 | — |
| 6-K | Current report (foreign issuer) | Nov 14, 2023 | Nov 14, 2023 |
| 6-K | Current report (foreign issuer) | Nov 14, 2023 | Nov 13, 2023 |
| 6-K | Current report (foreign issuer) | Nov 14, 2023 | Nov 13, 2023 |
| 6-K | Current report (foreign issuer) | Aug 15, 2023 | Aug 15, 2023 |
| 6-K | Current report (foreign issuer) | Aug 15, 2023 | Aug 15, 2023 |
| 6-K | Current report (foreign issuer) | Aug 15, 2023 | Aug 14, 2023 |
| 144 | Notice of proposed sale | Jul 5, 2023 | — |
| 20-F/A | Amended annual report (foreign issuer) | Jun 30, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Jun 23, 2023 | Jun 22, 2023 |
| 6-K | Current report (foreign issuer) | Jun 20, 2023 | Jun 20, 2023 |
| 6-K | Current report (foreign issuer) | May 16, 2023 | May 16, 2023 |
| 6-K | Current report (foreign issuer) | May 16, 2023 | May 16, 2023 |
| 6-K | Current report (foreign issuer) | Apr 28, 2023 | Apr 27, 2023 |
| 144 | Notice of proposed sale | Apr 27, 2023 | — |
| 6-K | Current report (foreign issuer) | Apr 24, 2023 | Apr 24, 2023 |
| 20-F | Annual report (foreign issuer) | Apr 24, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Mar 1, 2023 | Feb 28, 2023 |
| 6-K/A | 6-k | Mar 1, 2023 | Feb 28, 2023 |
| 6-K | Current report (foreign issuer) | Mar 1, 2023 | Feb 28, 2023 |
| 6-K/A | Filing | Mar 1, 2023 | Feb 28, 2023 |
| 6-K | Current report (foreign issuer) | Dec 29, 2022 | Dec 28, 2022 |
| 6-K | Current report (foreign issuer) | Dec 28, 2022 | Dec 28, 2022 |
| 6-K | Current report (foreign issuer) | Dec 27, 2022 | Dec 23, 2022 |
| UPLOAD | Letter from the SEC | Nov 17, 2022 | — |
| 6-K | Current report (foreign issuer) | Nov 14, 2022 | Nov 14, 2022 |
| 6-K | Current report (foreign issuer) | Nov 14, 2022 | Nov 10, 2022 |
| CORRESP | Letter to the SEC | Oct 14, 2022 | — |
| 6-K | Current report (foreign issuer) | Oct 11, 2022 | Oct 10, 2022 |
| 6-K | Current report (foreign issuer) | Oct 7, 2022 | Oct 7, 2022 |
| 6-K | Current report (foreign issuer) | Oct 3, 2022 | Sep 30, 2022 |
| 20-F/A | Amended annual report (foreign issuer) | Sep 28, 2022 | Dec 31, 2021 |
| UPLOAD | Letter from the SEC | Sep 23, 2022 | — |
| 6-K | Current report (foreign issuer) | Aug 12, 2022 | Aug 12, 2022 |
| 6-K | Current report (foreign issuer) | Aug 12, 2022 | Aug 12, 2022 |
| 6-K | Current report (foreign issuer) | Jul 13, 2022 | Jul 13, 2022 |
| SC 13D | Ownership over 5% (active) | Jun 14, 2022 | — |
| 6-K | Current report (foreign issuer) | May 24, 2022 | May 23, 2022 |
| 6-K | Current report (foreign issuer) | May 16, 2022 | May 13, 2022 |
| 6-K | Current report (foreign issuer) | May 16, 2022 | May 13, 2022 |
| 6-K | Current report (foreign issuer) | May 16, 2022 | May 13, 2022 |
| 20-F | Annual report (foreign issuer) | May 16, 2022 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | May 10, 2022 | May 10, 2022 |
| NT 20-F | Form 12b-25 | Apr 29, 2022 | Apr 29, 2022 |
| 6-K | Current report (foreign issuer) | Apr 20, 2022 | Apr 20, 2022 |
| 6-K | Current report (foreign issuer) | Feb 22, 2022 | Feb 22, 2022 |
| 6-K | Current report (foreign issuer) | Feb 22, 2022 | Feb 18, 2022 |
| 6-K | Current report (foreign issuer) | Feb 22, 2022 | Feb 18, 2022 |
| 6-K | Current report (foreign issuer) | Feb 14, 2022 | Feb 11, 2022 |
| 6-K | Current report (foreign issuer) | Jan 6, 2022 | Jan 6, 2022 |
| 20-F/A | Amended annual report (foreign issuer) | Dec 17, 2021 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Dec 2, 2021 | Dec 1, 2021 |
| 6-K | Current report (foreign issuer) | Nov 24, 2021 | Nov 25, 2021 |
| 6-K | Current report (foreign issuer) | Nov 15, 2021 | Nov 12, 2021 |
| 6-K | Current report (foreign issuer) | Nov 15, 2021 | Nov 12, 2021 |
| 6-K | Current report (foreign issuer) | Nov 9, 2021 | Nov 9, 2021 |
| 6-K | Current report (foreign issuer) | Nov 5, 2021 | Nov 5, 2021 |
| 6-K | Current report (foreign issuer) | Nov 3, 2021 | Nov 3, 2021 |
| 6-K | Current report (foreign issuer) | Oct 25, 2021 | Oct 25, 2021 |
| 6-K | Current report (foreign issuer) | Oct 1, 2021 | Oct 1, 2021 |
| 6-K | Current report (foreign issuer) | Sep 23, 2021 | Sep 22, 2021 |
| 20-F/A | Amended annual report (foreign issuer) | Sep 3, 2021 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Aug 26, 2021 | Aug 25, 2021 |
| 6-K | Current report (foreign issuer) | Aug 16, 2021 | Aug 13, 2021 |
| 6-K | Current report (foreign issuer) | Aug 16, 2021 | Aug 13, 2021 |
| 6-K | Current report (foreign issuer) | Jun 7, 2021 | Jun 7, 2021 |
| 6-K | Current report (foreign issuer) | Jun 3, 2021 | Jun 3, 2021 |
| 6-K | Current report (foreign issuer) | May 17, 2021 | May 14, 2021 |
| 6-K | Current report (foreign issuer) | May 17, 2021 | May 14, 2021 |
| 6-K | Current report (foreign issuer) | May 17, 2021 | May 14, 2021 |
| F-6 POS | Filing | May 7, 2021 | — |
| 6-K | Current report (foreign issuer) | May 4, 2021 | May 3, 2021 |
| 6-K | Current report (foreign issuer) | May 4, 2021 | May 3, 2021 |
| 20-F | Annual report (foreign issuer) | Apr 30, 2021 | Dec 31, 2020 |
| EFFECT | Filing | Mar 5, 2021 | — |
| CERT | Nyse certification | Mar 5, 2021 | — |
| 8-A12B | Form 8-a12b | Mar 3, 2021 | — |
| 6-K | Current report (foreign issuer) | Mar 2, 2021 | Mar 2, 2021 |
| F-6 | Filing | Feb 24, 2021 | — |
| 6-K | Current report (foreign issuer) | Feb 12, 2021 | Feb 11, 2021 |
| 6-K | Current report (foreign issuer) | Feb 12, 2021 | Feb 11, 2021 |
| 6-K | Current report (foreign issuer) | Feb 9, 2021 | Feb 8, 2021 |
| 6-K | Current report (foreign issuer) | Jan 25, 2021 | Jan 25, 2021 |
| EFFECT | Filing | Dec 31, 2020 | — |
| CORRESP | Letter to the SEC | Dec 29, 2020 | — |
| CORRESP | Letter to the SEC | Dec 21, 2020 | — |
| F-4/A | Form f-4/a | Dec 21, 2020 | — |
| UPLOAD | Letter from the SEC | Dec 17, 2020 | — |
| 425 | Form 425 | Dec 17, 2020 | — |
| CORRESP | Letter to the SEC | Dec 9, 2020 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Retail-Auto Dealers & Gasoline Stations (SIC 5500)
- Listed as
- CSANY (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- Brazil
- Headquarters
- Sao Paulo, Sp, Brazil
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1430162
- Former names
- Cosan S.A. Industria e Comercio (until Jun 3, 2011)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.