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SHIPNasdaqDeep Sea Foreign Transportation of FreightFiscal year ends December 31

Seanergy Maritime Holdings Corp.

Financials through fiscal 2025, year ended Dec 31, 2025Last filing: 20-F on Mar 31, 2026
$15.34+0.06 (+0.39%)

Close on Oct 19, 2026

Market cap
–
P/E (TTM)
15.2
Dividend yield
2.15%

Ownership

Who owns Seanergy Maritime's shares

Held by institutions
–
Shares held, 13F filers
Institutional holders
–
Net institutional buying
–
Insider trades, 12 months
0 buys · 3 sales
Net sold $356.52K

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Konstantakopoulos, Konstantinos2,218,94910.90%13G (passive) amendmentMar 11, 2025
Konstantakopoulos Konstantinos2,203,71410.20%13G (passive) amendmentMar 31, 2026
Tsantanis Stamatios2,084,4039.62%13D (active) amendmentMar 6, 2026
George Economou1,848,5348.80%13D (active) amendmentMar 16, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Stamatios TsantanisDirector, CEO20,0000.09%Mar 18, 2026
Stavros GyftakisSee Remarks232,9951.10%Jul 15, 2026
Christina AnagnostaraDirector178,2390.84%Aug 7, 2026
Dimitrios AnagnostopoulosDirector73,3330.35%Mar 18, 2026
Ioannis KartsonasDirector45,4220.22%Mar 18, 2026
Elias CulucundisDirector72,8000.34%Mar 18, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Christina Anagnostara
Director
Aug 6, 2026Sale−15,000$17.19$257.85K178,239
Stavros Gyftakis
See Remarks
Jul 13, 2026Sale−3,300$14.81$48.87K232,995
Stavros Gyftakis
See Remarks
Apr 6, 2026Sale−3,570$13.95$49.80K236,295

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Anagnostara Christina
Director
Aug 6, 202615,000$257.89KAug 6, 2026Restricted Stock Vesting Under a Registered Plan
Anagnostara Christina
Director
Mar 16, 202615,000$185.30KMar 16, 2026Restricted stock vesting under a registered plan
Culucundis Elias
Director
Feb 24, 202630,000$331.50KFeb 25, 2026Stock Award
Dimitrios Anagnostopoulos
Director
Dec 8, 202560,000$570.00KDec 9, 2025Stock Award
Ioannis Kartsonas
Director
Dec 2, 202530,000$317.10KDec 2, 2025compensation
Gyftakis Stavros
Chief Financial Officer
Oct 10, 202530,000$248.40KOct 13, 2025Stock Award
Anagnostara Christina
Director
Sep 23, 20255,000$45.25KSep 23, 2025Restricted stock vesting under a registered plan
Anagnostara Christina
Officer
Aug 27, 20256,000$47.89KAug 27, 2025Restricted stock vesting under a registered plan
Anagnostara Christina
Officer
Apr 28, 20258,000$46.05KApr 28, 2025Restricted stock vesting under a registered plan
Ioannis Kartsonas
Director
Dec 4, 202445,000$344.25KDec 4, 2024Stock Grants
Stavros Gyftakis
Chief Financial Officer
Nov 29, 202440,000$324.40KNov 29, 2024Stock Award
Ioannis Kartsonas
Director
Oct 27, 202365,000$380.00KOct 30, 2023STOCK AWARD