Tsakos Energy Navigation Ltd SEC filings TEN
Tsakos Energy Navigation Ltd has 455 filings in SEC EDGAR's recent list, going back to Feb 5, 2002. Its latest annual report, Form 20-F, was filed on Apr 6, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Sep 17, 2026.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 14, 2026 | Oct 12, 2026 |
| 144 | Notice of proposed sale | Oct 13, 2026 | — |
| 4 | Insider transaction | Sep 22, 2026 | Sep 18, 2026 |
| 144/A | Filing | Sep 21, 2026 | — |
| 144 | Notice of proposed sale | Sep 18, 2026 | — |
| 4 | Insider transaction | Aug 17, 2026 | Aug 13, 2026 |
| 144 | Notice of proposed sale | Aug 14, 2026 | — |
| 4 | Insider transaction | Jul 16, 2026 | Jul 14, 2026 |
| 144 | Notice of proposed sale | Jul 14, 2026 | — |
| 4 | Insider transaction | Jul 10, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 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 |
| 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 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 21, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 16, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 16, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 29, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 23, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 23, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 21, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 14, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Nov 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 21, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Oct 15, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Sep 27, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 12, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 12, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Dec 11, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 5, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 5, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 10, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 22, 2014 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 15, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Jul 10, 2014 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 27, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2013 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 3, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 15, 2012 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 31, 2012 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 14, 2011 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 24, 2011 | — |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2011 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 5, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2009 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 13, 2009 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 13, 2009 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 3, 2008 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2008 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 12, 2007 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 6, 2006 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 30, 2006 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 29, 2006 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 9, 2006 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 13, 2005 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 16, 2005 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 25, 2005 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 12, 2005 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 8, 2005 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 30, 2005 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 15, 2005 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2005 | — |
| SC 13G | Ownership over 5% (passive) | Jan 10, 2005 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 10, 2004 | — |
| SC 13G | Ownership over 5% (passive) | Jul 9, 2004 | — |
| SC 13G | Ownership over 5% (passive) | Jun 10, 2004 | — |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2004 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2004 | — |
| SC 13G | Ownership over 5% (passive) | Feb 4, 2004 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 29, 2003 | — |
| SC 13G | Ownership over 5% (passive) | Mar 10, 2003 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 2003 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2003 | — |
| SC 13D | Ownership over 5% (active) | Mar 20, 2002 | — |
| SC 13D | Ownership over 5% (active) | Mar 20, 2002 | — |
| SC 13D | Ownership over 5% (active) | Mar 20, 2002 | — |
Showing 101 filings. 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
- Deep Sea Foreign Transportation of Freight (SIC 4412)
- Listed as
- TEN (NYSE), TEN-PE (NYSE), TEN-PF (NYSE)
- Incorporated in
- Greece
- Headquarters
- Athens
- SEC filer status
- Accelerated filer
- SEC CIK
- 1166663
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.