Koil Energy Solutions, Inc. SEC filings KLNG
Koil Energy Solutions, Inc. has 572 filings in SEC EDGAR's recent list, going back to Apr 13, 2000. Its latest annual report, Form 10-K, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 30, 2026 (material agreement, unregistered share sale, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Sep 24, 2026 | Sep 22, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 10, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Aug 28, 2026 | Aug 26, 2026 |
| 144 | Notice of proposed sale | Aug 26, 2026 | — |
| 4 | Insider transaction | Aug 17, 2026 | Aug 11, 2026 |
| 4 | Insider transaction | Jul 10, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Apr 14, 2026 | Apr 13, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 9, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 3, 2025 | — |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 3, 2025 | — |
| 4 | Insider transaction | Sep 15, 2025 | Sep 12, 2025 |
| 144 | Notice of proposed sale | Sep 12, 2025 | — |
| 3 | Initial insider ownership | Aug 22, 2025 | Aug 14, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 15, 2025 | — |
| 4 | Insider transaction | Aug 4, 2025 | Jul 31, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jul 9, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 9, 2025 | — |
| 4 | Insider transaction | Jun 24, 2025 | Jun 20, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 2, 2025 | — |
| SC 13D | Ownership over 5% (active) | Oct 15, 2024 | — |
| 4 | Insider transaction | Oct 15, 2024 | Oct 11, 2024 |
| 4 | Insider transaction | Sep 27, 2024 | Sep 25, 2024 |
| 4 | Insider transaction | Aug 28, 2024 | Aug 26, 2024 |
| 4 | Insider transaction | Aug 28, 2024 | Aug 26, 2024 |
| 4 | Insider transaction | Aug 28, 2024 | Aug 26, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 24, 2024 | — |
| 3 | Initial insider ownership | Apr 23, 2024 | Mar 6, 2024 |
| SC 13D | Ownership over 5% (active) | Mar 6, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2024 | — |
| SC 13D | Ownership over 5% (active) | Nov 27, 2023 | — |
| 4 | Insider transaction | Nov 14, 2023 | Aug 2, 2023 |
| 4 | Insider transaction | Nov 14, 2023 | Aug 2, 2023 |
| 4 | Insider transaction | Nov 14, 2023 | Aug 2, 2023 |
| SC 13D | Ownership over 5% (active) | Feb 21, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| 4 | Insider transaction | Nov 28, 2022 | Oct 20, 2022 |
| 4 | Insider transaction | Nov 28, 2022 | Oct 20, 2022 |
| 4 | Insider transaction | Nov 28, 2022 | Oct 20, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 2, 2022 | — |
| 4 | Insider transaction | Apr 1, 2022 | Aug 11, 2021 |
| 4 | Insider transaction | Apr 1, 2022 | Aug 11, 2021 |
| 4 | Insider transaction | Apr 1, 2022 | Aug 11, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2021 | — |
| 4 | Insider transaction | Sep 18, 2020 | Aug 5, 2020 |
| 4 | Insider transaction | Sep 18, 2020 | Aug 5, 2020 |
| 4 | Insider transaction | Sep 18, 2020 | Aug 5, 2020 |
| 3 | Initial insider ownership | Mar 27, 2020 | Jan 24, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2020 | — |
| 4 | Insider transaction | Nov 26, 2019 | Nov 25, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 26, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 20, 2019 | — |
| 4 | Insider transaction | Nov 20, 2019 | Jan 4, 2019 |
| SC 13D | Ownership over 5% (active) | Nov 18, 2019 | — |
| 5 | Annual insider ownership | Nov 15, 2019 | Dec 31, 2018 |
| 5 | Annual insider ownership | Nov 15, 2019 | Dec 31, 2017 |
| 4 | Insider transaction | Oct 3, 2019 | Sep 24, 2019 |
| 4 | Insider transaction | Oct 3, 2019 | Sep 23, 2019 |
| SC 13G | Ownership over 5% (passive) | Aug 21, 2019 | — |
| 4 | Insider transaction | Jun 26, 2019 | Jun 24, 2019 |
| 4 | Insider transaction | Jun 26, 2019 | Jun 24, 2019 |
| 4 | Insider transaction | Jun 26, 2019 | Jun 24, 2019 |
| 3 | Initial insider ownership | Jun 7, 2019 | Apr 16, 2019 |
| 3 | Initial insider ownership | Apr 26, 2019 | Apr 16, 2019 |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2019 | — |
| 4 | Insider transaction | Jul 27, 2018 | Jul 27, 2018 |
| 4/A | Ownership document | Oct 31, 2017 | Oct 1, 2017 |
| 4 | Insider transaction | Oct 3, 2017 | Oct 1, 2017 |
| 4 | Insider transaction | May 30, 2017 | May 26, 2017 |
| 4 | Insider transaction | May 30, 2017 | May 2, 2017 |
| 4 | Insider transaction | May 30, 2017 | May 26, 2017 |
| 5 | Annual insider ownership | Feb 10, 2017 | Dec 31, 2016 |
| 5 | Annual insider ownership | Feb 10, 2017 | Dec 31, 2016 |
| SC 13D | Ownership over 5% (active) | Feb 7, 2017 | — |
| 4 | Insider transaction | Jan 5, 2017 | Dec 14, 2016 |
| 4 | Insider transaction | Jan 5, 2017 | Dec 14, 2016 |
| 4 | Insider transaction | Jul 28, 2016 | Jan 1, 2016 |
| 4 | Insider transaction | Jul 28, 2016 | Jan 1, 2016 |
| 4 | Insider transaction | Jun 1, 2016 | May 27, 2016 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 11, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 11, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 11, 2016 | — |
| SC 13G | Ownership over 5% (passive) | Jan 5, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 4, 2016 | — |
| 4 | Insider transaction | Dec 24, 2015 | Dec 23, 2015 |
| 4 | Insider transaction | Dec 16, 2015 | Dec 14, 2015 |
| 4 | Insider transaction | Dec 16, 2015 | Dec 14, 2015 |
| 4 | Insider transaction | Dec 1, 2015 | Feb 2, 2015 |
| 4 | Insider transaction | Dec 1, 2015 | Jun 11, 2015 |
| 4 | Insider transaction | Dec 1, 2015 | Jan 7, 2015 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2015 | — |
| 4 | Insider transaction | Jul 3, 2014 | Jun 30, 2014 |
| 4 | Insider transaction | Jul 3, 2014 | Jun 30, 2014 |
| 4 | Insider transaction | Jul 3, 2014 | Jun 30, 2014 |
| 4 | Insider transaction | May 8, 2014 | May 1, 2014 |
| 3 | Initial insider ownership | May 8, 2014 | May 1, 2014 |
| SC 13G | Ownership over 5% (passive) | Apr 10, 2014 | — |
| 3 | Initial insider ownership | Feb 19, 2014 | Sep 11, 2013 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 30, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Oct 10, 2013 | — |
| SC 13G | Ownership over 5% (passive) | Oct 10, 2013 | — |
| 4 | Insider transaction | Jun 20, 2013 | Jun 17, 2013 |
| 4 | Insider transaction | Jun 20, 2013 | Jun 17, 2013 |
| 4 | Insider transaction | Jun 20, 2013 | Jun 17, 2013 |
| 4 | Insider transaction | Jun 7, 2013 | Jun 5, 2013 |
| 4 | Insider transaction | Jun 7, 2013 | Jun 5, 2013 |
| 4 | Insider transaction | May 31, 2013 | May 29, 2013 |
| 3 | Initial insider ownership | May 31, 2013 | May 28, 2013 |
| SC 13G | Ownership over 5% (passive) | May 30, 2013 | — |
| 3 | Initial insider ownership | May 30, 2013 | Mar 5, 2013 |
| SC 13G | Ownership over 5% (passive) | Apr 1, 2013 | — |
| SC 13G | Ownership over 5% (passive) | Jan 8, 2013 | — |
| 4 | Insider transaction | Jan 2, 2013 | Dec 28, 2012 |
| 4 | Insider transaction | Jun 18, 2012 | Jun 13, 2012 |
| 4 | Insider transaction | Jun 18, 2012 | Jun 13, 2012 |
| 4 | Insider transaction | Jun 18, 2012 | Jun 13, 2012 |
| 4 | Insider transaction | Jun 18, 2012 | Jun 13, 2012 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 30, 2012 | — |
| SC 13G | Ownership over 5% (passive) | Jan 27, 2012 | — |
| 5 | Annual insider ownership | Jan 27, 2012 | Dec 31, 2011 |
| SC 13G | Ownership over 5% (passive) | Jan 10, 2012 | — |
| 4 | Insider transaction | Oct 31, 2011 | Oct 27, 2011 |
| 4 | Insider transaction | Oct 31, 2011 | Oct 27, 2011 |
| 4 | Insider transaction | Sep 8, 2011 | Aug 19, 2011 |
| 4 | Insider transaction | Jun 17, 2011 | Jun 8, 2011 |
| 4 | Insider transaction | Jun 17, 2011 | Jun 8, 2011 |
| 4 | Insider transaction | Jun 17, 2011 | Jun 8, 2011 |
| 3 | Initial insider ownership | Jun 17, 2011 | Jun 8, 2011 |
| 5 | Annual insider ownership | Mar 31, 2011 | Dec 31, 2010 |
| 4 | Insider transaction | Nov 22, 2010 | Nov 19, 2010 |
| 4 | Insider transaction | Nov 22, 2010 | Nov 19, 2010 |
| 4/A | Primary document | Aug 23, 2010 | May 31, 2010 |
| 4/A | Primary document | Aug 20, 2010 | May 31, 2010 |
| 4 | Insider transaction | Aug 16, 2010 | May 31, 2010 |
| 4 | Insider transaction | Jun 2, 2010 | May 31, 2010 |
| 4 | Insider transaction | Jun 2, 2010 | Apr 28, 2010 |
| 3 | Initial insider ownership | May 17, 2010 | Apr 12, 2010 |
| 3 | Initial insider ownership | May 12, 2010 | Feb 17, 2010 |
| 3 | Initial insider ownership | May 12, 2010 | Apr 29, 2010 |
| 4 | Insider transaction | Nov 18, 2009 | Aug 24, 2009 |
| 4 | Insider transaction | Nov 18, 2009 | Aug 24, 2009 |
| 4 | Insider transaction | Oct 27, 2009 | Sep 1, 2009 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 20, 2009 | — |
| SC 13D | Ownership over 5% (active) | Apr 17, 2009 | — |
| 4 | Insider transaction | Mar 25, 2009 | Mar 23, 2009 |
| 4 | Insider transaction | Mar 25, 2009 | Mar 23, 2009 |
| 4 | Insider transaction | Mar 25, 2009 | Mar 23, 2009 |
| 4 | Insider transaction | Mar 25, 2009 | Mar 23, 2009 |
| 4 | Insider transaction | Mar 25, 2009 | Mar 23, 2009 |
| 3 | Initial insider ownership | Nov 28, 2008 | Jan 22, 2008 |
| 3 | Initial insider ownership | Nov 24, 2008 | May 1, 2008 |
| 4 | Insider transaction | Feb 28, 2008 | Feb 14, 2008 |
| 4 | Insider transaction | Feb 28, 2008 | Feb 14, 2008 |
| 4 | Insider transaction | Feb 28, 2008 | Feb 14, 2008 |
| 5 | Annual insider ownership | Feb 8, 2008 | Dec 31, 2007 |
| 5 | Annual insider ownership | Feb 8, 2008 | Dec 31, 2007 |
| 5 | Annual insider ownership | Feb 8, 2008 | Dec 31, 2007 |
| 5 | Annual insider ownership | Feb 8, 2008 | Dec 31, 2007 |
| 3 | Initial insider ownership | Nov 30, 2007 | May 31, 2007 |
| 4 | Insider transaction | Nov 29, 2007 | Sep 13, 2007 |
| 4 | Insider transaction | Nov 29, 2007 | May 17, 2007 |
| 4 | Insider transaction | Nov 29, 2007 | May 17, 2007 |
| 4 | Insider transaction | Nov 29, 2007 | Mar 20, 2007 |
| 4 | Insider transaction | Nov 29, 2007 | Mar 20, 2007 |
| 4 | Insider transaction | Nov 29, 2007 | Feb 20, 2007 |
| 5 | Annual insider ownership | Nov 29, 2007 | Dec 14, 2006 |
| 5 | Annual insider ownership | Nov 29, 2007 | Dec 14, 2006 |
| 5/A | Form 5/a | Nov 29, 2007 | Dec 14, 2006 |
| 5 | Annual insider ownership | Nov 29, 2007 | Dec 14, 2006 |
| 5 | Annual insider ownership | Nov 29, 2007 | Dec 14, 2006 |
| 5 | Annual insider ownership | Nov 29, 2007 | Dec 14, 2006 |
| 5 | Annual insider ownership | Nov 29, 2007 | Dec 14, 2006 |
| 3 | Initial insider ownership | Nov 27, 2007 | Dec 14, 2006 |
| 3 | Initial insider ownership | Nov 20, 2007 | Dec 12, 2006 |
| 3 | Initial insider ownership | Nov 20, 2007 | Dec 14, 2006 |
| 3 | Initial insider ownership | Nov 20, 2007 | Dec 14, 2006 |
| 3 | Initial insider ownership | Nov 20, 2007 | Apr 30, 2007 |
Showing 185 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
- Oil & Gas Field Machinery & Equipment (SIC 3533)
- Listed as
- KLNG (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- NV
- Headquarters
- Houston, TX
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1110607
- Former names
- Deep Down, Inc. (until Feb 21, 2023); MediQuip Holdings, INC (until Dec 20, 2006); TRUE HEALTH INC (until Apr 10, 2006)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.