Seanergy Maritime Holdings Corp. SEC filings SHIP
Seanergy Maritime Holdings Corp. has 683 filings in SEC EDGAR's recent list, going back to Nov 3, 2008. Its latest annual report, Form 20-F, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 2, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 7, 2026 | Oct 5, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Sep 21, 2026 | — |
| 4 | Insider transaction | Aug 7, 2026 | Aug 6, 2026 |
| 144 | Notice of proposed sale | Aug 6, 2026 | — |
| 4 | Insider transaction | Jul 15, 2026 | Jul 13, 2026 |
| 4 | Insider transaction | Apr 8, 2026 | Apr 6, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 8, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 31, 2026 | — |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 144 | Notice of proposed sale | Mar 16, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 16, 2026 | — |
| 144 | Notice of proposed sale | Feb 24, 2026 | — |
| 144 | Notice of proposed sale | Dec 8, 2025 | — |
| 144 | Notice of proposed sale | Dec 2, 2025 | — |
| 144 | Notice of proposed sale | Oct 10, 2025 | — |
| 144 | Notice of proposed sale | Sep 23, 2025 | — |
| 144 | Notice of proposed sale | Aug 27, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 4, 2025 | — |
| 144 | Notice of proposed sale | Apr 28, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 13, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 28, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 8, 2025 | — |
| 144 | Notice of proposed sale | Dec 4, 2024 | — |
| 144 | Notice of proposed sale | Nov 29, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 15, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Aug 9, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 3, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 31, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 9, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 5, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 26, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 10, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 28, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 13, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 5, 2023 | — |
| SC 13D | Ownership over 5% (active) | Nov 24, 2023 | — |
| 144 | Notice of proposed sale | Oct 27, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Jul 5, 2023 | — |
| SC 13D | Ownership over 5% (active) | Mar 31, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 9, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 14, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 14, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 8, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 5, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Aug 31, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Aug 20, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 26, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 15, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Apr 13, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Apr 9, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Apr 7, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Apr 3, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 5, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 8, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 8, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 30, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 29, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 2, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Jul 25, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 3, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 31, 2019 | — |
| SC 13G | Ownership over 5% (passive) | May 20, 2019 | — |
| SC 13G | Ownership over 5% (passive) | May 10, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 22, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 7, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 30, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 20, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 7, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 21, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 22, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 15, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 29, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 25, 2016 | — |
| SC 13G | Ownership over 5% (passive) | Aug 12, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 27, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 14, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 11, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 29, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 29, 2015 | — |
| SC 13D | Ownership over 5% (active) | Jun 10, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 13, 2015 | — |
| SC 13D | Ownership over 5% (active) | Mar 12, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 12, 2014 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 8, 2012 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 30, 2011 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2011 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 1, 2010 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 8, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 27, 2010 | — |
| SC 13G | Ownership over 5% (passive) | Jun 25, 2010 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 16, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2010 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 20, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 19, 2010 | — |
| 4/A | Primary document | Dec 21, 2009 | Dec 2, 2009 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 6, 2009 | — |
| 4 | Insider transaction | Jul 29, 2009 | Jul 27, 2009 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 1, 2009 | — |
Showing 112 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Deep Sea Foreign Transportation of Freight (SIC 4412)
- Listed as
- SHIP (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Marshall Islands
- Headquarters
- Athens
- SEC filer status
- Accelerated filer
- SEC CIK
- 1448397
Other Deep Sea Foreign Transportation of Freight companies
- Frontline plc FRO
- Cmb.tech NV CMBT
- Scorpio Tankers Inc. STNG
- TORM plc TRMD
- DHT Holdings, Inc. DHT
- Okeanis Eco Tankers Corp. ECO
- ZIM Integrated Shipping Services Ltd. ZIM
- Star Bulk Carriers Corp. SBLK
Source: SEC EDGAR filings. This is company-reported data, not investment advice.