Tsakos Energy Navigation Ltd. (TEN) Insider Trading

Last 12 months

Insiders bought $998k and sold $1.1M on the open market.

None of the selling was scheduled in advance under a 10b5-1 plan. CFO and CAO Theoharrys Evgenios Kosmatos sold $530k on Sep 18, 40% of their stake, outside a plan.

Net open-market

−$103k

1 buy · 4 sales

Under a 10b5-1 plan

of the value sold

Insiders who bought / sold

1 / 4

executives and directors

Last open-market buy

Apr 2026

Apr 29, 2026

Get an email when TEN's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
Oct 12	Georgios Saroglou President and COO	SoldNo plan	5,000	$53.20	$266k	12%	Form 4
Sep 18	Theoharrys Evgenios Kosmatos CFO and CAO	SoldNo plan	10,000	$53.00	$530k	40%	Form 4
Aug 13	Clio Hatzimichalis Director	SoldNo plan	5,000	$41.07	$205k	50%	Form 4
Jul 14	Nicholas Francis Tommasino Director	SoldNo plan	2,490	$40.07	$100k	46%	Form 4
Apr 28 – 29	Nikolaos Tsakos Chief Executive Officer	Bought 2 parts	25,000	$39.94 average	$998k	0.5%	Form 4

Oct 12No plan
Georgios Saroglou
President and COO · sold 5,000 at $53.20
$266k
12% of stake
Sep 18No plan
Theoharrys Evgenios Kosmatos
CFO and CAO · sold 10,000 at $53.00
$530k
40% of stake
Aug 13No plan
Clio Hatzimichalis
Director · sold 5,000 at $41.07
$205k
50% of stake
Jul 14No plan
Nicholas Francis Tommasino
Director · sold 2,490 at $40.07
$100k
46% of stake
Apr 28 – 29
Nikolaos Tsakos
Chief Executive Officer · bought 25,000 at avg $39.94
$998k
0.5% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch TEN, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

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Spot a number that looks wrong? Check it in TEN's SEC filings or

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Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

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