UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of June 2024

Commission File Number 001-31236

TSAKOS ENERGY NAVIGATION LIMITED

(Translation of registrant’s name into English)

367 Syngrou Avenue, 175 64 P.

Faliro, Athens, Greece

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒   Form 40-F ☐

TSAKOS ENERGY NAVIGATION

LIMITED FORM 6-K

Attached as exhibit 99.1 to this report on Form 6-K is the press release issued by Tsakos Energy Navigation Ltd. on June 14, 2024, announcing that the New York Stock Exchange ticker symbol for is common shares will change to “TEN” effective July 1, 2024.

EXHIBIT INDEX

99.1 Press Release, dated June 14, 2024

*****

This report on Form 6-K is hereby incorporated by reference into the following Registration Statements of the Company:

• Registration Statement (Form F-3 No. 333-273740) filed with the SEC on August 4, 2023;

• Registration Statement on Form F-3 (No. 333-234279) filed with the SEC on October 21, 2019;

• Registration Statement on Form F-3 (No. 333-206852) filed with the SEC on September 9, 2015;

• Registration Statement on Form S-8 (No. 333-183007) initially filed with the SEC on August 2, 2012, as amended; and

• Registration Statement on Form S-8 (No. 333-279039) initially filed with the SEC on May 1, 2024.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: June 14, 2024

TSAKOS ENERGY NAVIGATION LIMITED
By:	/s/ George Saroglou
	George Saroglou
	President and Chief Operating Officer