Castor Maritime Inc. SEC filings CTRM
Castor Maritime Inc. has 298 filings in SEC EDGAR's recent list, going back to Dec 1, 2017. Its latest annual report, Form 20-F, was filed on Apr 15, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Nov 4, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Nov 4, 2026 | Nov 4, 2026 |
| 6-K | Current report (foreign issuer) | Oct 9, 2026 | Oct 9, 2026 |
| 6-K | Current report (foreign issuer) | Sep 15, 2026 | Sep 15, 2026 |
| 6-K | Current report (foreign issuer) | Sep 14, 2026 | Jun 30, 2026 |
| 6-K | Current report (foreign issuer) | Sep 14, 2026 | Sep 14, 2026 |
| 6-K | Current report (foreign issuer) | Aug 7, 2026 | Aug 7, 2026 |
| 6-K | Current report (foreign issuer) | Jul 20, 2026 | Jul 20, 2026 |
| 6-K | Current report (foreign issuer) | Jun 30, 2026 | Jun 30, 2026 |
| 6-K | Current report (foreign issuer) | Jun 22, 2026 | Jun 22, 2026 |
| 6-K | Current report (foreign issuer) | Jun 2, 2026 | Jun 2, 2026 |
| 20-F | Annual report (foreign issuer) | Apr 15, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Apr 15, 2026 | Apr 15, 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 |
| 6-K | Current report (foreign issuer) | Jan 5, 2026 | Jan 5, 2026 |
| 6-K | Current report (foreign issuer) | Dec 29, 2025 | Dec 29, 2025 |
| 6-K | Current report (foreign issuer) | Dec 3, 2025 | Dec 3, 2025 |
| 6-K | Current report (foreign issuer) | Oct 15, 2025 | Oct 15, 2025 |
| 6-K | Current report (foreign issuer) | Oct 1, 2025 | Jun 30, 2025 |
| 6-K | Current report (foreign issuer) | Oct 1, 2025 | Oct 1, 2025 |
| 6-K | Current report (foreign issuer) | Sep 15, 2025 | Sep 15, 2025 |
| 6-K | Current report (foreign issuer) | Aug 11, 2025 | Aug 11, 2025 |
| 6-K | Current report (foreign issuer) | Jul 30, 2025 | Jul 30, 2025 |
| 6-K | Current report (foreign issuer) | Jul 29, 2025 | Jul 29, 2025 |
| 6-K | Current report (foreign issuer) | Jul 7, 2025 | Jul 7, 2025 |
| 20-F | Annual report (foreign issuer) | May 14, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | May 14, 2025 | May 14, 2025 |
| NT 20-F | Filing | Apr 30, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 21, 2025 | Mar 21, 2025 |
| 6-K | Current report (foreign issuer) | Feb 14, 2025 | Feb 14, 2025 |
| 6-K | Current report (foreign issuer) | Dec 19, 2024 | Dec 19, 2024 |
| 6-K | Current report (foreign issuer) | Dec 17, 2024 | Dec 17, 2024 |
| 6-K | Current report (foreign issuer) | Dec 12, 2024 | Dec 12, 2024 |
| 6-K | Current report (foreign issuer) | Dec 2, 2024 | Dec 2, 2024 |
| 6-K | Current report (foreign issuer) | Nov 7, 2024 | Nov 7, 2024 |
| 6-K | Current report (foreign issuer) | Nov 7, 2024 | Nov 7, 2024 |
| 6-K | Current report (foreign issuer) | Sep 30, 2024 | Sep 30, 2024 |
| 6-K | Current report (foreign issuer) | Sep 10, 2024 | Sep 10, 2024 |
| 6-K | Current report (foreign issuer) | Sep 9, 2024 | Sep 9, 2024 |
| 6-K | Current report (foreign issuer) | Aug 8, 2024 | Jun 30, 2024 |
| 6-K | Current report (foreign issuer) | Aug 8, 2024 | Aug 8, 2024 |
| 6-K | Current report (foreign issuer) | Aug 6, 2024 | Aug 6, 2024 |
| 6-K | Current report (foreign issuer) | Jul 25, 2024 | Jul 25, 2024 |
| 6-K | Current report (foreign issuer) | Jun 3, 2024 | Jun 3, 2024 |
| SC TO-I/A | Filing | Jun 3, 2024 | — |
| 6-K | Current report (foreign issuer) | May 16, 2024 | May 16, 2024 |
| 6-K | Current report (foreign issuer) | May 16, 2024 | May 16, 2024 |
| CORRESP | Letter to the SEC | May 16, 2024 | — |
| SC TO-I/A | Sc toi/a | May 16, 2024 | — |
| UPLOAD | Letter from the SEC | Apr 30, 2024 | — |
| SC TO-I/A | Filing | Apr 22, 2024 | — |
| 6-K | Current report (foreign issuer) | Apr 22, 2024 | Apr 22, 2024 |
| SC TO-I | Filing | Apr 22, 2024 | — |
| 6-K | Current report (foreign issuer) | Apr 15, 2024 | Apr 15, 2024 |
| 4 | Insider transaction | Apr 5, 2024 | Apr 3, 2024 |
| 6-K | Current report (foreign issuer) | Mar 29, 2024 | Mar 29, 2024 |
| 8-A12B/A | Filing | Mar 27, 2024 | — |
| 6-K | Current report (foreign issuer) | Mar 22, 2024 | Mar 22, 2024 |
| 20-F | Annual report (foreign issuer) | Feb 29, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Feb 22, 2024 | Feb 22, 2024 |
| 6-K | Current report (foreign issuer) | Feb 8, 2024 | Feb 8, 2024 |
| 6-K | Current report (foreign issuer) | Jan 29, 2024 | Jan 29, 2024 |
| 6-K | Current report (foreign issuer) | Jan 5, 2024 | Jan 5, 2024 |
| 6-K | Current report (foreign issuer) | Dec 18, 2023 | Dec 18, 2023 |
| 6-K | Current report (foreign issuer) | Nov 28, 2023 | Nov 28, 2023 |
| 6-K | Current report (foreign issuer) | Nov 9, 2023 | Nov 9, 2023 |
| 6-K | Current report (foreign issuer) | Nov 8, 2023 | Nov 8, 2023 |
| 6-K | Current report (foreign issuer) | Nov 8, 2023 | Nov 8, 2023 |
| 6-K | Current report (foreign issuer) | Oct 23, 2023 | Oct 23, 2023 |
| 6-K | Current report (foreign issuer) | Oct 19, 2023 | Oct 19, 2023 |
| 6-K | Current report (foreign issuer) | Oct 6, 2023 | Oct 6, 2023 |
| 6-K | Current report (foreign issuer) | Sep 26, 2023 | Sep 26, 2023 |
| 6-K | Current report (foreign issuer) | Sep 5, 2023 | Sep 5, 2023 |
| 6-K | Current report (foreign issuer) | Aug 8, 2023 | Jun 30, 2023 |
| 6-K | Current report (foreign issuer) | Aug 8, 2023 | Aug 8, 2023 |
| 6-K | Current report (foreign issuer) | Aug 8, 2023 | Aug 8, 2023 |
| 6-K | Current report (foreign issuer) | Jul 31, 2023 | Jul 31, 2023 |
| 3 | Initial insider ownership | Jun 30, 2023 | Jun 23, 2023 |
| SC 13G | Ownership over 5% (passive) | Jun 30, 2023 | — |
| 6-K | Current report (foreign issuer) | Jun 15, 2023 | Jun 8, 2023 |
| 6-K | Current report (foreign issuer) | May 23, 2023 | May 23, 2023 |
| 424B5 | Prospectus supplement | May 23, 2023 | — |
| 6-K | Current report (foreign issuer) | May 23, 2023 | May 23, 2023 |
| 6-K | Current report (foreign issuer) | May 23, 2023 | May 23, 2023 |
| 6-K | Current report (foreign issuer) | Apr 24, 2023 | Apr 24, 2023 |
| 6-K | Current report (foreign issuer) | Apr 19, 2023 | Apr 19, 2023 |
| 6-K | Current report (foreign issuer) | Apr 3, 2023 | Apr 3, 2023 |
| 6-K | Current report (foreign issuer) | Mar 20, 2023 | Mar 20, 2023 |
| 6-K | Current report (foreign issuer) | Mar 8, 2023 | Mar 8, 2023 |
| 20-F | Annual report (foreign issuer) | Mar 8, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Mar 8, 2023 | Mar 8, 2023 |
| 6-K | Current report (foreign issuer) | Feb 13, 2023 | Feb 13, 2023 |
| 6-K | Current report (foreign issuer) | Feb 2, 2023 | Feb 2, 2023 |
| 6-K | Current report (foreign issuer) | Dec 30, 2022 | Dec 30, 2022 |
| 6-K | Current report (foreign issuer) | Dec 16, 2022 | Dec 16, 2022 |
| 6-K | Current report (foreign issuer) | Dec 14, 2022 | Dec 14, 2022 |
| 6-K | Current report (foreign issuer) | Dec 1, 2022 | Dec 1, 2022 |
| 6-K | Current report (foreign issuer) | Nov 23, 2022 | Nov 23, 2022 |
| 6-K | Current report (foreign issuer) | Nov 23, 2022 | Nov 23, 2022 |
| 6-K | Current report (foreign issuer) | Nov 16, 2022 | Nov 16, 2022 |
| 6-K | Current report (foreign issuer) | Nov 8, 2022 | Nov 8, 2022 |
| 6-K | Current report (foreign issuer) | Aug 9, 2022 | Jun 30, 2022 |
| 6-K | Current report (foreign issuer) | Aug 9, 2022 | Aug 9, 2022 |
| 6-K | Current report (foreign issuer) | May 9, 2022 | May 9, 2022 |
| 6-K | Current report (foreign issuer) | May 9, 2022 | May 6, 2022 |
| 6-K | Current report (foreign issuer) | Apr 18, 2022 | Apr 18, 2022 |
| EFFECT | Filing | Apr 8, 2022 | — |
| POS AM | Filing | Apr 1, 2022 | — |
| 20-F | Annual report (foreign issuer) | Mar 31, 2022 | Dec 31, 2021 |
| POSASR | Filing | Mar 31, 2022 | — |
| 6-K | Current report (foreign issuer) | Mar 10, 2022 | Mar 10, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| 6-K | Current report (foreign issuer) | Feb 7, 2022 | Feb 7, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 18, 2022 | — |
| 6-K | Current report (foreign issuer) | Jan 18, 2022 | Jan 18, 2022 |
| 6-K | Current report (foreign issuer) | Jan 5, 2022 | Jan 5, 2022 |
| 6-K | Current report (foreign issuer) | Dec 20, 2021 | Dec 20, 2021 |
| 6-K | Current report (foreign issuer) | Dec 7, 2021 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Dec 1, 2021 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Nov 18, 2021 | Nov 30, 2021 |
| 6-K | Current report (foreign issuer) | Nov 8, 2021 | Sep 30, 2021 |
| 6-K | Current report (foreign issuer) | Nov 8, 2021 | Nov 30, 2021 |
| 6-K | Current report (foreign issuer) | Oct 26, 2021 | Oct 31, 2021 |
| 6-K | Current report (foreign issuer) | Oct 20, 2021 | Oct 31, 2021 |
| 6-K | Current report (foreign issuer) | Oct 7, 2021 | Oct 31, 2021 |
| 6-K | Current report (foreign issuer) | Sep 22, 2021 | Sep 30, 2021 |
| 6-K | Current report (foreign issuer) | Sep 13, 2021 | Sep 30, 2021 |
| 6-K | Current report (foreign issuer) | Aug 26, 2021 | Aug 31, 2021 |
| 6-K | Current report (foreign issuer) | Aug 11, 2021 | Aug 31, 2021 |
| 6-K | Current report (foreign issuer) | Aug 5, 2021 | Jun 30, 2021 |
| 6-K | Current report (foreign issuer) | Jul 30, 2021 | Jul 31, 2021 |
| 6-K | Current report (foreign issuer) | Jul 28, 2021 | Jul 31, 2021 |
| 6-K | Current report (foreign issuer) | Jun 24, 2021 | Jun 30, 2021 |
| 6-K | Current report (foreign issuer) | Jun 17, 2021 | Jun 30, 2021 |
| 6-K | Current report (foreign issuer) | Jun 15, 2021 | Jun 30, 2021 |
| 6-K | Current report (foreign issuer) | Jun 15, 2021 | Jun 30, 2021 |
| 424B5 | Prospectus supplement | Jun 15, 2021 | — |
| 6-K | Current report (foreign issuer) | Jun 9, 2021 | Jun 30, 2021 |
| 6-K | Current report (foreign issuer) | Jun 3, 2021 | Jun 30, 2021 |
| 8-A12B | Filing | May 28, 2021 | — |
| 6-K | Current report (foreign issuer) | May 25, 2021 | May 31, 2021 |
| 6-K | Current report (foreign issuer) | May 21, 2021 | May 31, 2021 |
| 6-K | Current report (foreign issuer) | May 18, 2021 | May 31, 2021 |
| 6-K | Current report (foreign issuer) | May 11, 2021 | May 31, 2021 |
| 6-K | Current report (foreign issuer) | May 4, 2021 | May 31, 2021 |
| 6-K | Current report (foreign issuer) | Apr 30, 2021 | Apr 30, 2021 |
| 6-K | Current report (foreign issuer) | Apr 28, 2021 | Apr 30, 2021 |
| 6-K | Current report (foreign issuer) | Apr 19, 2021 | Apr 30, 2021 |
| 6-K | Current report (foreign issuer) | Apr 19, 2021 | Apr 30, 2021 |
| 6-K | Current report (foreign issuer) | Apr 15, 2021 | Apr 30, 2021 |
| 6-K | Current report (foreign issuer) | Apr 9, 2021 | Apr 30, 2021 |
| 6-K | Current report (foreign issuer) | Apr 7, 2021 | Apr 30, 2021 |
| 424B5 | Prospectus supplement | Apr 7, 2021 | — |
| F-3ASR | Filing | Apr 1, 2021 | — |
| RW | Filing | Mar 30, 2021 | — |
| 20-F | Annual report (foreign issuer) | Mar 30, 2021 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Mar 23, 2021 | Mar 31, 2021 |
| 6-K | Current report (foreign issuer) | Mar 19, 2021 | Mar 31, 2021 |
| 6-K | Current report (foreign issuer) | Mar 12, 2021 | Mar 31, 2021 |
| 6-K | Current report (foreign issuer) | Mar 10, 2021 | Mar 31, 2021 |
| 6-K | Current report (foreign issuer) | Mar 3, 2021 | Mar 31, 2021 |
| 6-K | Current report (foreign issuer) | Feb 18, 2021 | Feb 28, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| 6-K | Current report (foreign issuer) | Feb 11, 2021 | Feb 28, 2021 |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2021 | — |
| 6-K | Current report (foreign issuer) | Feb 3, 2021 | Feb 28, 2021 |
| 6-K | Current report (foreign issuer) | Feb 1, 2021 | Feb 28, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2021 | — |
| 6-K | Current report (foreign issuer) | Jan 27, 2021 | Jan 31, 2021 |
| F-3 | Shelf registration (foreign issuer) | Jan 27, 2021 | — |
| 6-K | Current report (foreign issuer) | Jan 25, 2021 | Jan 31, 2021 |
| 6-K | Current report (foreign issuer) | Jan 20, 2021 | Jan 31, 2021 |
| SC 13G | Ownership over 5% (passive) | Jan 13, 2021 | — |
| 6-K | Current report (foreign issuer) | Jan 12, 2021 | Jan 31, 2021 |
| 424B5 | Prospectus supplement | Jan 11, 2021 | — |
| F-3MEF | Filing | Jan 8, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 6, 2021 | — |
| 6-K | Current report (foreign issuer) | Jan 5, 2021 | Jan 31, 2021 |
| 424B5 | Prospectus supplement | Jan 4, 2021 | — |
| 6-K | Current report (foreign issuer) | Dec 31, 2020 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Dec 31, 2020 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Nov 27, 2020 | Nov 30, 2020 |
| 6-K | Current report (foreign issuer) | Nov 16, 2020 | Nov 30, 2020 |
| 6-K | Current report (foreign issuer) | Nov 12, 2020 | Nov 30, 2020 |
| 6-K | Current report (foreign issuer) | Oct 23, 2020 | Oct 31, 2020 |
| 6-K | Current report (foreign issuer) | Oct 20, 2020 | Oct 31, 2020 |
| 6-K | Current report (foreign issuer) | Oct 14, 2020 | Oct 31, 2020 |
| 6-K | Current report (foreign issuer) | Oct 7, 2020 | Oct 31, 2020 |
| 6-K | Current report (foreign issuer) | Oct 1, 2020 | Oct 31, 2020 |
| EFFECT | Filing | Sep 23, 2020 | — |
| EFFECT | Filing | Sep 23, 2020 | — |
| CORRESP | Letter to the SEC | Sep 21, 2020 | — |
| POS AM | Filing | Sep 17, 2020 | — |
| F-3/A | Filing | Sep 17, 2020 | — |
| POS AM | Filing | Sep 14, 2020 | — |
| 6-K | Current report (foreign issuer) | Sep 11, 2020 | Jun 30, 2020 |
| POS AM | Filing | Aug 21, 2020 | — |
Showing 200 filings, the most recent 200. 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
- CTRM (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Marshall Islands
- Headquarters
- Limassol, Cyprus
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1720161
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.