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Form 3 TSAKOS ENERGY NAVIGATION For: Mar 18 Filed by: TSAKOS NIKOLAOS

March 18, 2026 4:09 PM
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
TSAKOS NIKOLAOS

(Last) (First) (Middle)
TSAKOS ENERGY NAVIGATION LIMITED
367 SYNGROU AVE P. FALIRO

(Street)
ATHENS 17564

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026
3. Issuer Name and Ticker or Trading Symbol
TSAKOS ENERGY NAVIGATION LTD [ TEN ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Executive Officer
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Shares 81,600
D
Common Shares 1,550,000
I
By Sea Consolidation S.A. of Panama (1)
Common Shares 893,500
I
By Intermed Champion S.A. of Panama (2)
Common Shares 1,448,702
I
By Methoni Shipping Company Limited (3)
Common Shares 1,075,000
I
By Tsakos Energy Management Limited (4)
Series E Fixed to Fltg Rate Cum. Redeemable Perp. Pref. Shs 45,000
I
By Admiral Green Maritime S.A. (5)
Series F Fixed to Fltg Rate Cum. Redeemable Perp. Pref. Shs 100,000
I
By Admiral Green Maritime S.A. (5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. 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.
2. 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.
3. 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.
4. 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.
5. 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.
Remarks:
Exhibit 24 - Power of Attorney
/s/ Michael Umberto Evangelista, Attorney-in-Fact 03/18/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

ATTACHMENTS / EXHIBITS

EX-24

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