| SC 13D/A | 2016-04-05 | TSAKOS HOLDINGS FOUNDATION | TSAKOS ENERGY NAVIGATION LTD | 7,230,007 | 8.3% | EDGAR |
| SC 13D/A | 2016-04-05 | SEA CONSOLIDATION S A OF PANAMA | TSAKOS ENERGY NAVIGATION LTD | 1,664,114 | 1.9% | EDGAR |
| SC 13G/A | 2016-02-05 | Pine River Capital Management L.P. | TSAKOS ENERGY NAVIGATION LTD | 4,323,452 | 5.0% | EDGAR |
| SC 13G/A | 2015-08-10 | WELLINGTON MANAGEMENT GROUP LLP | TSAKOS ENERGY NAVIGATION LTD | 2,373,428 | 2.8% | EDGAR |
| SC 13G/A | 2015-02-13 | FMR LLC | TSAKOS ENERGY NAVIGATION LTD | 1,685,000 | 2.0% | EDGAR |
| SC 13G | 2015-02-13 | Pine River Capital Management L.P. | TSAKOS ENERGY NAVIGATION LTD | 4,873,214 | 5.9% | EDGAR |
| SC 13G/A | 2015-02-12 | WELLINGTON MANAGEMENT GROUP LLP | TSAKOS ENERGY NAVIGATION LTD | 7,072,632 | 8.5% | EDGAR |
| SC 13D/A | 2014-10-22 | SEA CONSOLIDATION S A OF PANAMA | TSAKOS ENERGY NAVIGATION LTD | 1,144,114 | 1.4% | EDGAR |
| SC 13D/A | 2014-09-15 | SEA CONSOLIDATION S A OF PANAMA | TSAKOS ENERGY NAVIGATION LTD | 4,401,232 | 5.2% | EDGAR |
| SC 13G | 2014-07-10 | WELLINGTON MANAGEMENT CO LLP | TSAKOS ENERGY NAVIGATION LTD | 8,891,133 | 10.5% | EDGAR |
| SC 13D/A | 2014-02-27 | SEA CONSOLIDATION S A OF PANAMA | TSAKOS ENERGY NAVIGATION LTD | 4,301,232 | 6.0% | EDGAR |
| SC 13G | 2014-02-14 | FMR LLC | TSAKOS ENERGY NAVIGATION LTD | 3,468,805 | 6.1% | EDGAR |
| SC 13G/A | 2014-02-13 | DEPRINCE RACE & ZOLLO INC | TSAKOS ENERGY NAVIGATION LTD | 2,644,092 | 4.6% | EDGAR |
| SC 13G/A | 2013-02-13 | DEPRINCE RACE & ZOLLO INC | TSAKOS ENERGY NAVIGATION LTD | 3,450,125 | 7.5% | EDGAR |
| SC 13D/A | 2012-05-03 | TSAKOS HOLDINGS FOUNDATION | TSAKOS ENERGY NAVIGATION LTD | 6,829,003 | 12.1% | EDGAR |
| SC 13G/A | 2012-02-15 | DEPRINCE RACE & ZOLLO INC | TSAKOS ENERGY NAVIGATION LTD | 3,650,891 | 7.9% | EDGAR |
| SC 13D/A | 2012-01-31 | SEA CONSOLIDATION S A OF PANAMA | TSAKOS ENERGY NAVIGATION LTD | 3,952,232 | 8.6% | EDGAR |
| SC 13D/A | 2011-10-14 | SEA CONSOLIDATION S A OF PANAMA | TSAKOS ENERGY NAVIGATION LTD | 3,952,232 | 8.6% | EDGAR |
| SC 13D/A | 2011-02-24 | TSAKOS HOLDINGS FOUNDATION | TSAKOS ENERGY NAVIGATION LTD | 5,708,703 | 12.5% | EDGAR |
| SC 13G | 2011-02-11 | DEPRINCE RACE & ZOLLO INC | TSAKOS ENERGY NAVIGATION LTD | 2,425,307 | 6.4% | EDGAR |