Tsakos Energy director files initial share holdings

TSAKOS ENERGY NAVIGATION LTD director Efthimios Mitropoulos has filed an initial ownership report showing holdings of 15,600 Common Shares.

Rhea-AI Filing Summary

TSAKOS ENERGY NAVIGATION LTD director Efthimios Mitropoulos has filed an initial ownership report showing holdings of 15,600 Common Shares. These shares are reported as directly owned, and the filing does not record any recent purchases, sales, or option exercises, only the existing position.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Mitropoulos Efthimios

Role Director

Type	Security	Shares	Price	Value
holding	Common Shares	--	--	--

Holdings After Transaction: Common Shares — 15,600 shares (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 3 for TSAKOS ENERGY NAVIGATION LTD (TEN) show?

The Form 3 shows director Efthimios Mitropoulos beneficially owns 15,600 Common Shares of TSAKOS ENERGY NAVIGATION LTD. It is an initial ownership statement and does not report any recent share purchases, sales, or option exercises, only his existing direct position.

How many TSAKOS ENERGY NAVIGATION LTD (TEN) shares does Efthimios Mitropoulos hold?

Efthimios Mitropoulos reports ownership of 15,600 Common Shares of TSAKOS ENERGY NAVIGATION LTD. These shares are listed as directly held, providing a baseline view of his equity stake as a company director at the time of this initial Form 3 filing.

Does the TEN Form 3 filing include any insider buying or selling?

The TEN Form 3 filing does not include insider buying or selling activity. It records an existing holding of 15,600 Common Shares by director Efthimios Mitropoulos and classifies the entry as a holding, not a transaction that changes his ownership level.

What type of security is reported in the TSAKOS ENERGY NAVIGATION LTD Form 3?

The Form 3 reports ownership of Common Shares of TSAKOS ENERGY NAVIGATION LTD. Director Efthimios Mitropoulos lists a direct holding of 15,600 Common Shares, with no derivative securities or option positions disclosed in this particular insider ownership statement.

Is Efthimios Mitropoulos a large (10%) shareholder of TSAKOS ENERGY NAVIGATION LTD?

The Form 3 indicates Efthimios Mitropoulos is a director but not a 10% owner of TSAKOS ENERGY NAVIGATION LTD. He reports direct ownership of 15,600 Common Shares, which is presented as his beneficial stake without classifying him as a major 10% shareholder.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/18/2026 - 04:33 PM EDT Learn about SEC filing dates

SEC Form 3

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Mitropoulos Efthimios

(Last) (First) (Middle)

TSAKOS ENERGY NAVIGATION LIMITED

367 SYNGROU AVE P. FALIRO

(Street)

ATHENS GREECE 17564

(City) (State) (Zip)

GREECE

(Country)

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 ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

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	15,600	D

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:

	/s/ Efthimios Elias Mitropoulos	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 5 (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.
* Form 3: SEC 1473 (03-26)