George Economou - 16 Mar 2026 SCHEDULE 13D/A Report for Seanergy Maritime Holdings Corp. Common Shares, par value $0.0001 per share (SHIP)

Filing Manager
George Economou
Reporting Manager
Sphinx Investment Corp.
Security
Seanergy Maritime Holdings Corp. Common Shares, par value $0.0001 per share
Symbol
SHIP
Shares outstanding
21,006,068 shares
Disclosed Ownership
1,848,534 shares
Ownership
8.8%
Form type
SCHEDULE 13D/A
Filing time
16 Mar 2026, 08:40:20 UTC
Date of event
16 Mar 2026
SEC
View on sec.gov

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Quoteable Key Fact

"George Economou disclosed 8.8% ownership in Seanergy Maritime Holdings Corp. Common Shares, par value $0.0001 per share (SHIP) on 16 Mar 2026."

Quick Takeaways

  • George Economou filed SCHEDULE 13D/A for Seanergy Maritime Holdings Corp. Common Shares, par value $0.0001 per share (SHIP).
  • Disclosed ownership: 8.8%.
  • Date of event: 16 Mar 2026.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 16 Mar 2026, 08:40.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Sphinx Investment Corp. 8.8% 1,848,534 0 1,848,534 Kleanthis Costa Spathias By: Levante Services Limited, By: Kleanthis Costa Spathias, Director 0001990966
Maryport Navigation Corp. 8.8% 1,848,534 0 1,848,534 Kleanthis Costa Spathias By: Levante Services Limited, By: Kleanthis Costa Spathias, Director
George Economou 8.8% 1,848,534 0 1,848,534 George Economou George Economou 0001308557

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