StealthGas Inc. SEC filings GASS
StealthGas Inc. has 351 filings in SEC EDGAR's recent list, going back to Aug 29, 2005. Its latest annual report, Form 20-F, was filed on Apr 28, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Nov 6, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Sep 18, 2026 | Sep 16, 2026 |
| 4 | Insider transaction | Sep 16, 2026 | Sep 14, 2026 |
| 144 | Notice of proposed sale | Sep 14, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jul 10, 2026 | — |
| 4 | Insider transaction | Jun 23, 2026 | Jun 18, 2026 |
| 3/A | Filing | Jun 23, 2026 | Mar 18, 2026 |
| 3/A | Filing | Jun 23, 2026 | Mar 18, 2026 |
| 3/A | Filing | Jun 23, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 27, 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 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 25, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 11, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 12, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 22, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 13, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 26, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 9, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 19, 2024 | — |
| 144 | Notice of proposed sale | Sep 16, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 8, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 3, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 31, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 26, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13D | Ownership over 5% (active) | Dec 7, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | May 3, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Nov 12, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 1, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 27, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 2020 | — |
| 4 | Insider transaction | Jul 1, 2019 | Jun 27, 2019 |
| 4 | Insider transaction | Mar 21, 2019 | Mar 19, 2019 |
| 4 | Insider transaction | Mar 15, 2019 | Mar 14, 2019 |
| 4 | Insider transaction | Mar 13, 2019 | Mar 11, 2019 |
| 3 | Initial insider ownership | Mar 13, 2019 | Mar 6, 2019 |
| 4 | Insider transaction | Mar 8, 2019 | Mar 6, 2019 |
| 4 | Insider transaction | Mar 6, 2019 | Mar 4, 2019 |
| 4 | Insider transaction | Mar 1, 2019 | Feb 28, 2019 |
| 4 | Insider transaction | Feb 27, 2019 | Feb 25, 2019 |
| 4 | Insider transaction | Feb 22, 2019 | Feb 21, 2019 |
| 4 | Insider transaction | Feb 20, 2019 | Feb 15, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2019 | — |
| 4 | Insider transaction | Jan 3, 2019 | Dec 31, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 17, 2018 |
| 4 | Insider transaction | Dec 14, 2018 | Dec 12, 2018 |
| 4 | Insider transaction | Dec 11, 2018 | Dec 10, 2018 |
| 4 | Insider transaction | Dec 7, 2018 | Dec 6, 2018 |
| 4 | Insider transaction | Dec 4, 2018 | Dec 3, 2018 |
| 4 | Insider transaction | Dec 4, 2018 | Dec 3, 2018 |
| 4 | Insider transaction | Nov 30, 2018 | Nov 28, 2018 |
| 4 | Insider transaction | Nov 27, 2018 | Nov 26, 2018 |
| 4 | Insider transaction | Nov 26, 2018 | Nov 23, 2018 |
| 4 | Insider transaction | Nov 21, 2018 | Nov 19, 2018 |
| 4 | Insider transaction | Nov 16, 2018 | Nov 14, 2018 |
| 4 | Insider transaction | Nov 13, 2018 | Nov 12, 2018 |
| 4 | Insider transaction | Nov 9, 2018 | Nov 7, 2018 |
| 4 | Insider transaction | Nov 6, 2018 | Nov 5, 2018 |
| 4 | Insider transaction | Nov 2, 2018 | Oct 31, 2018 |
| 4 | Insider transaction | Oct 30, 2018 | Oct 29, 2018 |
| 4 | Insider transaction | Oct 26, 2018 | Oct 24, 2018 |
| 4 | Insider transaction | Oct 23, 2018 | Oct 19, 2018 |
| 4 | Insider transaction | Oct 16, 2018 | Oct 12, 2018 |
| 3 | Initial insider ownership | Oct 16, 2018 | Oct 11, 2018 |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2018 | — |
| SC 13D | Ownership over 5% (active) | Feb 5, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 17, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 17, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2015 | — |
| SC 13G | Ownership over 5% (passive) | May 1, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Feb 21, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 10, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2013 | — |
| SC 13G | Ownership over 5% (passive) | Feb 15, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 1, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2011 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2011 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 17, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2010 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 10, 2009 | — |
| SC 13G | Ownership over 5% (passive) | Jul 27, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 27, 2009 | — |
| SC 13G | Ownership over 5% (passive) | Feb 17, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 17, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2008 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2008 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2008 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2008 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2008 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2008 | — |
| SC 13G | Ownership over 5% (passive) | Aug 28, 2007 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2007 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2007 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2006 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2006 | — |
Showing 131 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
- GASS (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Marshall Islands
- Headquarters
- Athens
- SEC filer status
- Accelerated filer
- SEC CIK
- 1328919
Other Deep Sea Foreign Transportation of Freight companies
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- 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.