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2024-02-23 14:59 ☐ UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 20 - F П REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR 12 ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 20 - F OR ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31 , 2020 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report to For the transition period from Commission file number 001-31236 TSAKOS ENERGY NAVIGATION LIMITED ( Exact name of Registrant as specified in its charter ) Not Applicable ( Translation of Registrant's name into English ) Bermuda ( Jurisdiction of incorporation or organization ) 367 Syngrou Avenue 175 64 P. Faliro Athens , Greece 011-30210-9407710 ( Address of principal executive offices ) Title of each class Common Shares , par value $ 5.00 per share Paul Durham 367 Syngrou Avenue 175 64 P. Faliro Athens , Greece Telephone : 011-30210-9407710 E - mail : ten@tenn.gr Facsimile : 011-30210-9407716 ( Name , Address , Telephone Number , E - mail and Facsimile Number of Company Contact Person ) Securities registered or to be registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) Series D Cumulative Redeemable Perpetual Preferred Shares , par value $ 1.00 per share Series E Fixed - to - Floating Rate Cumulative Redeemable Perpetual Preferred Shares , par value $ 1.00 per share Series F Fixed - to - Floating Rate Cumulative Redeemable Perpetual Preferred Shares , par value $ 1.00 per share TNP TNP.PRD TNP.PRE TNP.PRF Securities registered or to be registered pursuant to Section 12 ( g ) of the Act : None Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : None Name of each exchange on which registered NYSE https://www.sec.gov/Archives/edgar/data/1166663/000119312521118474/d138751d20f.htm NYSE NYSE NYSE As of December 31 , 2020 , there were 18,215,679 of the registrant's Common Shares , 3,424,803 Series D Preferred Shares , 4,600,000 Series E Preferred Shares , 6,000,000 Series F Preferred Shares and 2,615,000 Series Redeemable Convertible Preferred Shares outstanding . Yes No 区 Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . If this report is an annual or transition report , indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934. Yes No 冈 Note Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 from their obligations under those Sections . Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S T ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer or an emerging growth company . See the definitions of " large accelerated filer " , " accelerated filer " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Emerging growth company Large accelerated filer Accelerated Filer Non - accelerated filer If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report : Yes No Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing : U.S. GAAP > International Financial Reporting Standards as issued by the International Accounting Standards Board If " Other " has been checked in response to the previous question , indicate by check mark which financial statement item the registrant has elected to follow . Item 17 ☐ Item 18 If this is an annual report , indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No 因 Other 1/146