{"transactions":[{"id":711385,"issuer":{"id":4786,"kind":"organization","name":"TSAKOS ENERGY NAVIGATION LTD","symbol":"TEN"},"owners":[{"id":31061,"kind":"person","name":"TSAKOS NIKOLAOS","position":1,"cik":"0001229508","reported_name":"TSAKOS NIKOLAOS","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Shares","published_at":"2026-07-10T20:15:03.000Z","date":"2026-07-08","kind":"gift","planned":false,"acquired":true,"shares":500000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By spouse"},"balance_after":500000,"source":{"system":"sec-edgar","filing":"0001193125-26-300915","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1166663/000119312526300915/ownership.xml","form_type":"4"}},{"id":711384,"issuer":{"id":4786,"kind":"organization","name":"TSAKOS ENERGY NAVIGATION LTD","symbol":"TEN"},"owners":[{"id":31061,"kind":"person","name":"TSAKOS NIKOLAOS","position":1,"cik":"0001229508","reported_name":"TSAKOS NIKOLAOS","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Shares","published_at":"2026-07-10T20:15:03.000Z","date":"2026-07-08","kind":"gift","planned":false,"acquired":false,"shares":500000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Tsakos Energy Management Limited (\"TEM\") effected a transfer to the Reporting Person of 500,000 shares, which such transfer was effected in accordance with Rule 16a-13 of the Securities Exchange Act of 1934, as amended."}],"balance_after":81600,"source":{"system":"sec-edgar","filing":"0001193125-26-300915","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1166663/000119312526300915/ownership.xml","form_type":"4"}},{"id":797171,"issuer":{"id":4786,"kind":"organization","name":"TSAKOS ENERGY NAVIGATION LTD","symbol":"TEN"},"owners":[{"id":31061,"kind":"person","name":"TSAKOS NIKOLAOS","position":1,"cik":"0001229508","reported_name":"TSAKOS NIKOLAOS","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Shares","published_at":"2026-04-30T20:05:07.000Z","date":"2026-04-29","kind":"purchase","planned":false,"acquired":true,"shares":12500,"price":39.9484,"value":499355.0,"ownership":{"direct":false,"nature":"By Intermed Champion S.A. of Panama"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $39.635 to $40.35. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"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."}],"balance_after":918500,"source":{"system":"sec-edgar","filing":"0001193125-26-197170","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1166663/000119312526197170/ownership.xml","form_type":"4"}},{"id":797170,"issuer":{"id":4786,"kind":"organization","name":"TSAKOS ENERGY NAVIGATION LTD","symbol":"TEN"},"owners":[{"id":31061,"kind":"person","name":"TSAKOS NIKOLAOS","position":1,"cik":"0001229508","reported_name":"TSAKOS NIKOLAOS","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Shares","published_at":"2026-04-30T20:05:07.000Z","date":"2026-04-28","kind":"purchase","planned":false,"acquired":true,"shares":12500,"price":39.9189,"value":498986.25,"ownership":{"direct":false,"nature":"By Intermed Champion S.A. of Panama"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $39.4398 to $40.34. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"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."}],"balance_after":906000,"source":{"system":"sec-edgar","filing":"0001193125-26-197170","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1166663/000119312526197170/ownership.xml","form_type":"4"}}]}