Key facts
- 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.
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.
- 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
Key filing 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.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 16 Mar 2026, 08:40.
Research use
- 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.
Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Reporting managers (3)
Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| 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 |
CIK / CUSIP context first