Wednesday, October 28, 2026
Data from SEC filings, checked daily
Public filings, plainly told
StockCIK 1166663

TSAKOS ENERGY NAVIGATION LTD (TEN): Insider Trades and Fund Holdings

In the past 12 months, TSAKOS ENERGY NAVIGATION LTD insiders reported 0 open-market purchases worth $0 and 3 sales worth $1.00M; 0 of the sales were reported as made under a 10b5-1 trading plan.

0Insider buys, 12 months
$0Bought by insiders, 12 months
$1.00MSold by insiders, 12 months
1Tracked funds holding

Timeline: news and trades

Company filings (8-K), insider trades, notices of planned sales (Form 144) and fund moves in the past year, newest first.

  1. Oct 13, 2026Planned saleSaroglou Georgios (president and coo) filed notice to sell about $266,000 around Oct 12, 2026
  2. Oct 12, 2026Insider saleCOO Georgios Saroglou sold $266,000
  3. Sep 21, 2026Planned saleKosmatos Theoharrys Evgenios (cfo and cao) filed notice to sell about $530,014 around Sep 18, 2026
  4. Sep 18, 2026Insider saleCFO Theoharrys Evgenios Kosmatos sold $530,014
  5. Sep 18, 2026Planned saleKosmatos Theoharrys Evgenios (director) filed notice to sell about $530,014 around Sep 18, 2026
  6. Aug 13, 2026Insider saleDirector Clio Hatzimichalis sold $205,331
  7. Jun 30, 2026FundRenaissance Technologies added 1% in Q2 2026 (13F filed Aug 13, 2026)

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 14, 2026.

Recent TEN insider trades
FiledTradedInsiderRoleTypeSharesPrice ($)ValueHoldingFiling
Oct 14Oct 12Georgios SaroglouCOOCOO▼ SELL5,00053.20$266K−12%Form 4 ↗
Sep 22Sep 18Theoharrys Evgenios KosmatosCFOCFO▼ SELL10,00053.00$530K−41%Form 4 ↗
Aug 17Aug 13Clio HatzimichalisDirectorDirector▼ SELL5,00041.07$205K−50%Form 4 ↗
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

Insiders who traded in the past year

InsiderRoleBuysBoughtSellsSoldLatest
Georgios SaroglouCOO0$01$266KOct 14, 2026
Theoharrys Evgenios KosmatosCFO0$01$530KSep 22, 2026
Clio HatzimichalisDirector0$01$205KAug 17, 2026

Tracked funds that report TEN

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

FundQuarterSharesValue% of portfolioChange
Renaissance TechnologiesQ2 2026472,203$16.7M0.02%▲ +1.3%
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →