A Form 4 filed with the SEC on September 22, 2026 discloses that Theoharrys Evgenios Kosmatos, CFO and CAO of Tsakos Energy Navigation Ltd (NYSE:TEN), sold 10,000 common shares on September 18, 2026.

Key Highlights

  • Reporting person: Theoharrys Evgenios Kosmatos, identified as CFO and CAO of Tsakos Energy Navigation Ltd.
  • Transaction: 10,000 common shares disposed of (transaction code S) on September 18, 2026.
  • Sale price: $53.0014 per share, as reported in the filing.
  • Remaining ownership: 14,700 common shares held directly following the reported transaction.
  • Filing date: September 22, 2026, filed by one reporting person.

Kosmatos Reports Direct Sale of Common Shares in Tsakos Energy Navigation

According to the Form 4 filing, Theoharrys Evgenios Kosmatos, serving as both Chief Financial Officer and Chief Accounting Officer of Tsakos Energy Navigation Ltd, reported a sale of 10,000 common shares on September 18, 2026. The transaction is recorded under transaction code S, indicating an open-market sale. The reported price per share was $53.0014. The filing was signed by Kosmatos and submitted to the SEC on September 22, 2026.

Following the reported disposition, the filing states that Kosmatos directly beneficially owns 14,700 common shares. No indirect ownership or derivative securities transactions were reported in Table II of the filing. The form was filed by one reporting person and indicates that Kosmatos is an officer of the issuer, not a director or 10% owner.

The filing does not include any explanation of responses or additional footnotes beyond the standard signature and date. No Rule 10b5-1 plan box was checked in connection with this transaction, according to the form as filed.

What Was Disclosed

The Form 4 discloses that Tsakos Energy Navigation's CFO and CAO sold 10,000 common shares at $53.0014 per share on September 18, 2026, leaving the reporting person with 14,700 directly held common shares.