Tsakos Energy director plans $530K share sale

TSAKOS ENERGY NAVIGATION LTD (TEN) received a notice under Rule 144 from director Kosmatos Theoharrys Evgenios for a proposed sale of 5,000 common shares through broker Beta Securities SA on the NYSE on or about September 18, 2026.

Rhea-AI Filing Summary

TSAKOS ENERGY NAVIGATION LTD (TEN) received a notice under Rule 144 from director Kosmatos Theoharrys Evgenios for a proposed sale of 5,000 common shares through broker Beta Securities SA on the NYSE on or about September 18, 2026. The shares relate to a stock grant of 10,000 common shares from Tsakos Energy Navigation Limited dated July 24, 2024, with the planned sale reflecting an aggregate market value of $530,013.50 as stated in the notice.

Key Figures

Proposed shares to be sold: 5,000 shares Aggregate market value of proposed sale: $530,013.50 Shares acquired via stock grant: 10,000 shares +2 more

5 metrics

Proposed shares to be sold 5,000 shares Common shares of TSAKOS ENERGY NAVIGATION LTD covered by the Rule 144 notice

Aggregate market value of proposed sale $530,013.50 Value associated with the 5,000 TEN common shares proposed to be sold

Shares acquired via stock grant 10,000 shares TEN common shares received in a stock grant dated July 24, 2024

Acquisition date of granted shares July 24, 2024 Date of the stock grant of 10,000 TEN common shares

Proposed sale date September 18, 2026 Date associated with the proposed sale of 5,000 TEN common shares on the NYSE

Key Terms

Rule 144, stock grant, aggregate market value, NYSE

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

stock grant financial

"Common | 07/24/2024 | stock grant | Tsakos Energy Navigation Limited"

A stock grant is an award of company shares given to an individual, often as part of compensation for employees or executives. It matters to investors because grants can change the number of shares outstanding (dilution) and signal how company leaders are being paid and motivated—think of it like receiving a slice of the company as part of your paycheck, which can affect ownership and future share supply.

aggregate market value financial

"5000 | 530013.50 | 30127603 | 09/18/2026 | NYSE"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

NYSE market

"5000 | 530013.50 | 30127603 | 09/18/2026 | NYSE"

A large, regulated marketplace where stocks and other securities are listed and traded, acting like a global auction house that matches buyers and sellers and helps determine share prices. It matters to investors because listing and trading there provide liquidity, price discovery, and regulatory oversight—making it easier to buy or sell holdings and giving companies a visible platform that can affect credibility and access to capital.

FAQ

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

What does the Form 144 filing mean for TSAKOS ENERGY NAVIGATION LTD (TEN)?

It reports that director Kosmatos Theoharrys Evgenios filed a Rule 144 notice for a proposed sale of 5,000 TEN common shares on the NYSE, providing advance disclosure of a potential resale of restricted or control securities.

How many TSAKOS ENERGY NAVIGATION LTD (TEN) shares are proposed to be sold?

The notice states a proposed sale of 5,000 common shares of TSAKOS ENERGY NAVIGATION LTD, with an indicated aggregate market value of $530,013.50 for the planned transaction.

When were the TEN shares being sold under this Form 144 acquired?

The filing shows the TEN common shares were acquired via a stock grant on July 24, 2024 from Tsakos Energy Navigation Limited, in a total amount of 10,000 shares associated with that grant.

On which market is the proposed sale of TEN shares to occur?

The Form 144 indicates that the 5,000 TEN common shares are proposed to be sold on the NYSE, with Beta Securities SA identified as the broker handling the transaction.

What is the reported market value of the TEN shares in this Form 144?

The filing lists an aggregate market value of $530,013.50 for the 5,000 TEN common shares covered by the proposed Rule 144 sale on or about September 18, 2026.

Who is the insider associated with this TSAKOS ENERGY NAVIGATION LTD (TEN) Form 144?

The notice identifies Kosmatos Theoharrys Evgenios, a director of TSAKOS ENERGY NAVIGATION LTD, as the person for whose account the 5,000 common shares are proposed to be sold under Rule 144.

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

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Available on EDGAR 09/18/2026 - 11:37 AM Accepted by SEC EDGAR 09/18/2026 - 11:36 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002120925
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	TSAKOS ENERGY NAVIGATION LTD
SEC File Number	001-31236
Address of Issuer	367 SYNGROU AVE 175 64 ATHENS GREECE 175 64
Phone	202-346-4434
Name of Person for Whose Account the Securities are To Be Sold	Kosmatos Theoharrys Evgenios
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
common shares	Beta Securities SA 29 Alexandras Ave, Athens J3 11473	5000	530013.50	30127603	09/18/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	07/24/2024	stock grant	Tsakos Energy Navigation Limited			10000	07/24/2024	Stock Grant

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	09/18/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	HARRYS KOSMATOS
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)