Nikolaos Tsakos - 18 Mar 2026 Form 3 Insider Report for TSAKOS ENERGY NAVIGATION LTD (TEN)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: TEN
Reported as of: 18 Mar 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 18 Mar 2026, 16:07:27 UTC
Next SEC filing: 30 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Michael Umberto Evangelista, Attorney-in-Fact

Key filing fact

Nikolaos Tsakos filed Form 3 for TSAKOS ENERGY NAVIGATION LTD (TEN) on 18 Mar 2026.

Key facts

This page summarizes Nikolaos Tsakos's Form 3 filing for TSAKOS ENERGY NAVIGATION LTD (TEN).
0 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 18 Mar 2026, 16:07.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001229508 Primary reporting owner

TSAKOS NIKOLAOS

Relationship: Chief Executive Officer, Director
Address: TSAKOS ENERGY NAVIGATION LIMITED, 367 SYNGROU AVE P. FALIRO, ATHENS, GREECE
Signature: /s/ Michael Umberto Evangelista, Attorney-in-Fact
Signature date: 18 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TEN holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 81,600
Date: 18 Mar 2026
Ownership: Direct

TEN holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,550,000
Date: 18 Mar 2026
Ownership: By Sea Consolidation S.A. of Panama
Footnotes: F1

TEN holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 893,500
Date: 18 Mar 2026
Ownership: By Intermed Champion S.A. of Panama
Footnotes: F2

TEN holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,448,702
Date: 18 Mar 2026
Ownership: By Methoni Shipping Company Limited
Footnotes: F3

TEN holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,075,000
Date: 18 Mar 2026
Ownership: By Tsakos Energy Management Limited
Footnotes: F4

TEN holding

Series E Fixed to Fltg Rate Cum. Redeemable Perp. Pref. Shs

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 45,000
Date: 18 Mar 2026
Ownership: By Admiral Green Maritime S.A.
Footnotes: F5

TEN holding

Series F Fixed to Fltg Rate Cum. Redeemable Perp. Pref. Shs

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 100,000
Date: 18 Mar 2026
Ownership: By Admiral Green Maritime S.A.
Footnotes: F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Shares held by Sea Consolidation S.A. of Panama ("Sea Consolidation"). The Reporting Person controls Sea Consolidation and may be deemed to beneficially own the securities held by Sea Consolidation by virtue of such control. The Reporting Person disclaims beneficial ownership of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose.

Footnote F2

Shares held by Intermed Champion S.A. of Panama ("Intermed"). The Reporting Person has or shares voting and dispositive power with respect to the shares held by Intermed and may be deemed to beneficially own such securities by virtue of such relationship. The Reporting Person disclaims beneficial ownership of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose.

Footnote F3

Shares held by Methoni Shipping Company Limited ("Methoni"). The Reporting Person has or shares voting and dispositive power with respect to the shares held by Methoni and may be deemed to beneficially own such securities by virtue of such relationship. The Reporting Person disclaims beneficial ownership of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose.

Footnote F4

Shares held by Tsakos Energy Management Limited ("TEM"). The Reporting Person controls TEM and may be deemed to beneficially own the securities held by TEM by virtue of such control. The Reporting Person disclaims beneficial ownership of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose.

Footnote F5

Shares held by Admiral Green Maritime S.A. ("Admiral Green"). The Reporting Person controls Admiral Green and may be deemed to beneficially own the securities held by Admiral Green by virtue of such control. The Reporting Person disclaims beneficial ownership of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose.

SEC remarks

Exhibit 24 - Power of Attorney

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .