TEN insider buying and SEC filings, explained

Tsakos Energy Navigation Ltd. · CIK 1166663

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Insider activity in the last 12 months

Bought

$998K

Insiders who bought

Sold (not marked 10b5-1)

$1.1M

Planned sales (10b5-1)

Traded	Type	What was filed	Source
Oct 12, 2026	Sale	Georgios Saroglou (President / COO and Director) sold 5,000 shares at $53.20 ($266K). Holdings down 12% to 37,000 shares. Not marked as a 10b5-1 plan trade.	SEC filing Filed Oct 14, 2026, 4:15 PM ET
Sep 18, 2026	Sale	Theoharrys Evgenios Kosmatos (CFO) sold 10,000 shares at $53.00 ($530K). Holdings down 40% to 14,700 shares. Not marked as a 10b5-1 plan trade.	SEC filing Filed Sep 22, 2026
Aug 13, 2026	Sale	Clio Hatzimichalis (Director) sold 5,000 shares at $41.07 ($205K). Holdings down 50% to 5,000 shares. Not marked as a 10b5-1 plan trade.	SEC filing Filed Aug 17, 2026
Jul 14, 2026	Sale	Nicholas Francis Tommasino (Director) sold 2,490 shares at $40.07 ($100K). Holdings down 46% to 2,874 shares. Not marked as a 10b5-1 plan trade.	SEC filing Filed Jul 16, 2026
Apr 28–29, 2026	Purchase (code P)	Nikolaos Tsakos (CEO and Director) bought 25,000 shares indirectly between Apr 28 and Apr 29 at about $39.94 ($998K), reported as a purchase (code P). Indirect holdings up 3% to 918,500 shares. Not marked as a 10b5-1 plan trade.	SEC filing Filed Apr 30, 2026

1 routine transaction (such as a grant, option exercise or tax withholding) is not listed.

No cluster buys in the last 12 months.

No red flags in the last 12 months.

No key events in the last 12 months.

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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