Tsakos Energy Navigation Ltd SEC filings TEN-PF
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.