Welcome to our dedicated page for TSAKOS ENERGY NAVIGATION SEC filings (Ticker: TEN), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Tsakos Energy Navigation Ltd. filings document a foreign private issuer engaged in worldwide maritime transportation of liquid energy-related products. Its SEC record includes Form 20-F annual reporting and Form 6-K current reports covering audited financial statements, interim operating results, fleet and charter disclosures, preferred-share matters and incorporation by reference into registration statements.
Proxy materials and other 6-K filings describe annual meeting matters, shareholder voting procedures, board composition and executive finance roles. The company's filings also provide formal disclosure on governance, capital structure, registration statements on Form F-3 and Form S-8, and the risks and economics of operating crude, product, LNG and shuttle tanker assets.
TSAKOS ENERGY NAVIGATION LTD director reports initial holdings on a Form 3. Aristides Athanassios Nicholas Patrinos discloses direct ownership of 32,093 Common Shares. This filing lists his position as an insider and does not report any new share purchases or sales.
Tsakos Energy Navigation Limited announced a leadership change in its finance team. On March 3, 2026, Paul Durham stepped down as Co-Chief Financial Officer and Chief Accounting Officer, and will continue with the company in an advisory role.
The Board of Directors appointed Theoharrys E. Kosmatos, previously Co-Chief Financial Officer since July 1, 2024, as the new Chief Financial Officer and Chief Accounting Officer, effective March 3, 2026. This consolidates the company’s top finance and accounting responsibilities under a single executive.
Tsakos Energy Navigation Ltd. received an amended Schedule 13G filing showing that CastleKnight Master Fund LP, related CastleKnight and Weitman entities, and Aaron Weitman together beneficially own 1,230,648 common shares, or 4.1% of the class, as of 12/31/2025.
The filing states these holders have shared voting and dispositive power over all 1,230,648 shares and no sole power. They certify the shares were not acquired to change or influence control of Tsakos Energy Navigation, and that ownership represents 5 percent or less of the class.
Tsakos Energy Navigation Limited (TEN) appointed Clio Hatzimichalis, the company’s General Counsel since 2015, to its Board of Directors on October 27, 2025. With this addition, the Board now has 10 directors and is comprised of a majority of independent directors. Hatzimichalis brings over 20 years of legal experience in corporate, banking, finance, and shipping law, including prior roles at Norton Rose Fulbright and as in-house counsel.
CastleKnight entities and Aaron Weitman filed a Schedule 13G reporting a significant passive stake in Tsakos Energy Navigation Limited (TEN). The group disclosed beneficial ownership of 2,251,487 Common Shares, representing 7.5% of the class, with the date of event triggering the filing on 10/14/2025.
The reporting persons have 0 shares with sole voting and dispositive power and 2,251,487 shares with shared voting and shared dispositive power. The aggregate figure includes certain options beneficially owned as described. They certified the securities were not acquired to change or influence control, consistent with a passive investment reported on Schedule 13G.
Tsakos Energy Navigation Limited (TEN) disclosed interim financial and operating details for the quarter and six months ended June 30, 2025. Revenue from contracts with customers was $38,230 for Q2 2025 versus $67,525 in Q2 2024, and $81,289 for the six months of 2025 versus $135,285 in the prior-year first half, indicating lower contract revenue year-over-year. Voyage and time-charter related items, vessel sales and sale-and-leaseback arrangements are described, including operating-lease accounting under ASC 842 for several vessels and related seller credits classified as short-term receivables. The company reported drawdowns and refinancings, including a $114,067 drawdown on April 16, 2025 and $64,125 drawdowns for post-delivery financing of under-construction suezmax tankers. Non-hedging interest rate swaps and bunker/EUA swaps recorded negative fair value changes in Q2 and the first half of 2025. Management and related-party fees and stock-based compensation vesting details are disclosed, and the company states it complied with loan covenants as of June 30, 2025.