Form4insider filings, from the source

Company · CIK 0001166663 · SIC 4412 — Deep Sea Foreign Transportation of Freight · NYSE

TSAKOS ENERGY NAVIGATION LTD · TEN

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $530k · 1net −$530k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 18, 2026 SForm 4 →Sep 22, 4:15 pm EDTTheoharrys Evgenios KosmatosCFO and CAO10,000$53.00$530,01414,700−40.5%

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.