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 |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Nov 6, 2026 | Nov 6, 2026 |
| 6-K | Current report (foreign issuer) | Nov 5, 2026 | Nov 5, 2026 |
| 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 | — |
| 6-K | Current report (foreign issuer) | Sep 3, 2026 | Sep 3, 2026 |
| 6-K | Current report (foreign issuer) | Aug 28, 2026 | Aug 28, 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 |
| 6-K | Current report (foreign issuer) | Jun 8, 2026 | Jun 8, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 27, 2026 |
| 20-F | Annual report (foreign issuer) | Apr 28, 2026 | Dec 31, 2025 |
| 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 |
| 6-K | Current report (foreign issuer) | Mar 3, 2026 | Mar 3, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 25, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 11, 2026 | — |
| 6-K | Current report (foreign issuer) | Nov 25, 2025 | Nov 25, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 12, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 22, 2025 | — |
| 6-K | Current report (foreign issuer) | Aug 29, 2025 | Aug 29, 2025 |
| 6-K | Current report (foreign issuer) | Aug 25, 2025 | Aug 25, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 13, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 12, 2025 | — |
| 6-K | Current report (foreign issuer) | May 30, 2025 | May 30, 2025 |
| 20-F | Annual report (foreign issuer) | Apr 28, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Feb 26, 2025 | Feb 26, 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 | — |
| 6-K | Current report (foreign issuer) | Nov 26, 2024 | Nov 26, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 19, 2024 | — |
| 144 | Notice of proposed sale | Sep 16, 2024 | — |
| 6-K | Current report (foreign issuer) | Sep 6, 2024 | Sep 6, 2024 |
| 6-K | Current report (foreign issuer) | Aug 30, 2024 | Aug 30, 2024 |
| 6-K | Current report (foreign issuer) | May 23, 2024 | May 23, 2024 |
| S-8 | Employee stock plan registration | Apr 29, 2024 | — |
| 20-F | Annual report (foreign issuer) | Apr 29, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Feb 23, 2024 | Feb 23, 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 | — |
| 6-K | Current report (foreign issuer) | Nov 22, 2023 | Nov 21, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 3, 2023 | — |
| 6-K | Current report (foreign issuer) | Nov 1, 2023 | Nov 1, 2023 |
| 6-K | Current report (foreign issuer) | Oct 27, 2023 | Oct 27, 2023 |
| 6-K | Current report (foreign issuer) | Aug 21, 2023 | Aug 21, 2023 |
| 6-K | Current report (foreign issuer) | Aug 11, 2023 | Aug 11, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | May 31, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 26, 2023 | — |
| 6-K | Current report (foreign issuer) | May 25, 2023 | May 25, 2023 |
| 20-F | Annual report (foreign issuer) | Apr 27, 2023 | Dec 31, 2022 |
| 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 | — |
| 6-K | Current report (foreign issuer) | Nov 21, 2022 | Nov 21, 2022 |
| 6-K | Current report (foreign issuer) | Aug 25, 2022 | Aug 25, 2022 |
| 6-K | Current report (foreign issuer) | Aug 5, 2022 | Aug 5, 2022 |
| 6-K | Current report (foreign issuer) | May 26, 2022 | May 26, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | May 3, 2022 | — |
| 20-F | Annual report (foreign issuer) | Apr 29, 2022 | Dec 31, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| 6-K | Current report (foreign issuer) | Dec 9, 2021 | Dec 9, 2021 |
| 6-K | Current report (foreign issuer) | Dec 7, 2021 | Dec 7, 2021 |
| SC 13G | Ownership over 5% (passive) | Nov 12, 2021 | — |
| 6-K | Current report (foreign issuer) | Nov 12, 2021 | Nov 12, 2021 |
| 6-K | Current report (foreign issuer) | Nov 5, 2021 | Nov 5, 2021 |
| 6-K | Current report (foreign issuer) | Aug 27, 2021 | Aug 27, 2021 |
| 6-K | Current report (foreign issuer) | Aug 11, 2021 | Aug 11, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 1, 2021 | — |
| 6-K | Current report (foreign issuer) | May 27, 2021 | May 27, 2021 |
| 20-F | Annual report (foreign issuer) | Apr 27, 2021 | Dec 31, 2020 |
| 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 | — |
| 6-K | Current report (foreign issuer) | Nov 27, 2020 | Nov 27, 2020 |
| 6-K | Current report (foreign issuer) | Aug 25, 2020 | Aug 25, 2020 |
| 6-K | Current report (foreign issuer) | Aug 7, 2020 | Aug 7, 2020 |
| SC TO-I/A | Filing | May 5, 2020 | — |
| 20-F | Annual report (foreign issuer) | Apr 30, 2020 | Dec 31, 2019 |
| SC TO-I/A | Filing | Apr 29, 2020 | — |
| SC TO-I | Filing | Mar 31, 2020 | — |
| 6-K | Current report (foreign issuer) | Mar 30, 2020 | Mar 30, 2020 |
| 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 | — |
| 6-K | Current report (foreign issuer) | Nov 27, 2019 | Nov 27, 2019 |
| 6-K | Current report (foreign issuer) | Aug 27, 2019 | Aug 27, 2019 |
| 6-K | Current report (foreign issuer) | Aug 1, 2019 | Aug 1, 2019 |
| 4 | Insider transaction | Jul 1, 2019 | Jun 27, 2019 |
| 6-K | Current report (foreign issuer) | May 29, 2019 | May 29, 2019 |
| IRANNOTICE | Filing | Apr 24, 2019 | — |
| 20-F | Annual report (foreign issuer) | Apr 24, 2019 | Dec 31, 2018 |
| 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 |
| 6-K | Current report (foreign issuer) | Nov 28, 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 |
| 6-K | Current report (foreign issuer) | Aug 30, 2018 | Aug 30, 2018 |
| 6-K | Current report (foreign issuer) | Aug 10, 2018 | Aug 10, 2018 |
| 6-K | Current report (foreign issuer) | May 30, 2018 | May 29, 2018 |
| IRANNOTICE | Iran notice | Apr 27, 2018 | — |
| 20-F | Annual report (foreign issuer) | Apr 27, 2018 | Dec 31, 2017 |
| 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 | — |
| 6-K | Current report (foreign issuer) | Nov 28, 2017 | Nov 28, 2017 |
| 6-K | Current report (foreign issuer) | Aug 25, 2017 | Aug 25, 2017 |
| 6-K | Current report (foreign issuer) | Aug 10, 2017 | Aug 10, 2017 |
| 6-K | Current report (foreign issuer) | May 30, 2017 | May 30, 2017 |
| IRANNOTICE | Iran notice | Apr 25, 2017 | — |
| 20-F | Annual report (foreign issuer) | Apr 25, 2017 | Dec 31, 2016 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2017 | — |
| 6-K | Current report (foreign issuer) | Dec 5, 2016 | Dec 5, 2016 |
| 6-K | Current report (foreign issuer) | Aug 29, 2016 | Aug 29, 2016 |
| 6-K | Current report (foreign issuer) | Aug 11, 2016 | Aug 10, 2016 |
| 6-K | Current report (foreign issuer) | Jun 1, 2016 | Jun 1, 2016 |
| 20-F | Annual report (foreign issuer) | Apr 22, 2016 | Dec 31, 2015 |
| 6-K | Current report (foreign issuer) | Feb 26, 2016 | Feb 26, 2016 |
| 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 | — |
| S-8 | Employee stock plan registration | Sep 28, 2015 | — |
| 6-K | Current report (foreign issuer) | Aug 28, 2015 | Aug 28, 2015 |
| 6-K | Current report (foreign issuer) | Aug 11, 2015 | Aug 11, 2015 |
| 20-F | Annual report (foreign issuer) | Apr 30, 2015 | Dec 31, 2014 |
| 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 | — |
| 6-K | Current report (foreign issuer) | Dec 24, 2014 | Dec 24, 2014 |
| 8-A12B | Filing | Dec 24, 2014 | — |
| 6-K | Current report (foreign issuer) | Dec 24, 2014 | Dec 24, 2014 |
| 6-K | Current report (foreign issuer) | Dec 10, 2014 | Nov 26, 2014 |
| 6-K | Current report (foreign issuer) | Sep 11, 2014 | Aug 28, 2014 |
| 6-K | Current report (foreign issuer) | Aug 13, 2014 | Aug 13, 2014 |
| 6-K | Current report (foreign issuer) | Aug 11, 2014 | Aug 11, 2014 |
| 424B5 | Prospectus supplement | Aug 6, 2014 | — |
| 6-K/A | Form 6-k amendment | Aug 5, 2014 | Aug 5, 2014 |
| 6-K | Current report (foreign issuer) | Aug 4, 2014 | May 22, 2014 |
| 6-K | Current report (foreign issuer) | Jul 17, 2014 | Jul 17, 2014 |
| 6-K | Current report (foreign issuer) | May 6, 2014 | May 6, 2014 |
| SC 13G | Ownership over 5% (passive) | May 1, 2014 | — |
| 424B5 | Prospectus supplement | May 1, 2014 | — |
| 20-F | Annual report (foreign issuer) | Apr 29, 2014 | Dec 31, 2013 |
| 6-K | Current report (foreign issuer) | Feb 26, 2014 | Feb 20, 2014 |
| SC 13G | Ownership over 5% (passive) | Feb 21, 2014 | — |
| 6-K | Current report (foreign issuer) | Feb 14, 2014 | Feb 14, 2014 |
| 424B5 | Prospectus supplement | Feb 11, 2014 | — |
| 6-K | Current report (foreign issuer) | Feb 11, 2014 | Feb 11, 2014 |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2014 | — |
| 6-K | Current report (foreign issuer) | Dec 11, 2013 | Dec 11, 2013 |
| 6-K | Current report (foreign issuer) | Dec 10, 2013 | Dec 10, 2013 |
| 424B5 | Prospectus supplement | Dec 10, 2013 | — |
| 6-K | Current report (foreign issuer) | Dec 9, 2013 | Dec 9, 2013 |
| 6-K | Current report (foreign issuer) | Oct 3, 2013 | Oct 1, 2013 |
| 6-K | Current report (foreign issuer) | Aug 20, 2013 | Aug 20, 2013 |
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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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
- 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.