QS Energy, Inc. SEC filings QSEP
QS Energy, Inc. has 551 filings in SEC EDGAR's recent list, going back to Jan 27, 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 Jun 25, 2025 (material agreement). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Aug 28, 2026 | Jan 1, 2026 |
| 4 | Insider transaction | Aug 28, 2026 | Jan 1, 2026 |
| 10-Q | Quarterly report | Aug 14, 2026 | Jun 30, 2026 |
| 10-Q | Quarterly report | May 15, 2026 | Mar 31, 2026 |
| 10-K | Annual report | Mar 31, 2026 | Dec 31, 2025 |
| 10-Q | Quarterly report | Nov 14, 2025 | Sep 30, 2025 |
| 10-Q | Quarterly report | Aug 14, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Material agreement
|
Jun 25, 2025 | Jun 19, 2025 |
| 8-K |
Current report
Unregistered share sale
|
Jun 20, 2025 | Jun 20, 2025 |
| 4 | Insider transaction | May 27, 2025 | May 23, 2025 |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| 10-K | Annual report | Mar 28, 2025 | Dec 31, 2024 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 27, 2025 | — |
| 4 | Insider transaction | Feb 25, 2025 | Feb 14, 2025 |
| 4/A | Filing | Feb 25, 2025 | Jun 7, 2021 |
| 4 | Insider transaction | Feb 25, 2025 | Feb 14, 2025 |
| 4/A | Filing | Feb 25, 2025 | Feb 13, 2024 |
| 8-K |
Current report
Material agreement
|
Feb 21, 2025 | Feb 19, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Feb 19, 2025 | Feb 14, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Feb 19, 2025 | Feb 14, 2025 |
| DEF 14A | Proxy statement | Dec 27, 2024 | Feb 14, 2025 |
| PRE 14A | Preliminary proxy statement | Dec 17, 2024 | Feb 14, 2025 |
| 8-K |
Current report
Unregistered share sale
|
Nov 15, 2024 | Nov 15, 2024 |
| 10-Q | Quarterly report | Nov 14, 2024 | Sep 30, 2024 |
| 10-Q | Quarterly report | Aug 9, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Officer or director change
|
Jun 7, 2024 | Jun 3, 2024 |
| 10-Q | Quarterly report | May 15, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Unregistered share sale
|
May 10, 2024 | May 10, 2024 |
| 10-K | Annual report | Apr 9, 2024 | Dec 31, 2023 |
| NT 10-K | Request for extension | Apr 1, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Feb 13, 2024 | Feb 13, 2024 |
| 10-Q | Quarterly report | Nov 14, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Unregistered share sale
|
Oct 5, 2023 | Sep 30, 2023 |
| 10-Q | Quarterly report | Aug 14, 2023 | Jun 30, 2023 |
| 10-Q | Quarterly report | May 12, 2023 | Mar 31, 2023 |
| 10-K | Annual report | Mar 30, 2023 | Dec 31, 2022 |
| 4 | Insider transaction | Mar 23, 2023 | Mar 22, 2023 |
| 10-Q | Quarterly report | Nov 10, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Unregistered share sale
|
Sep 27, 2022 | Sep 23, 2022 |
| 10-Q | Quarterly report | Aug 12, 2022 | Jun 30, 2022 |
| 4 | Insider transaction | Aug 10, 2022 | Aug 10, 2022 |
| 10-Q | Quarterly report | May 16, 2022 | Mar 31, 2022 |
| 10-K | Annual report | Mar 31, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Unregistered share sale
|
Dec 10, 2021 | Dec 9, 2021 |
| 10-Q | Quarterly report | Nov 15, 2021 | Sep 30, 2021 |
| 10-Q | Quarterly report | Sep 13, 2021 | Jun 30, 2021 |
| 10-Q | Quarterly report | Aug 23, 2021 | Mar 31, 2021 |
| NT 10-Q | Notice of late filing | Aug 16, 2021 | Jun 30, 2021 |
| 4 | Insider transaction | Jul 28, 2021 | Jun 7, 2021 |
| 3 | Initial insider ownership | Jul 28, 2021 | Apr 15, 2021 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Jul 23, 2021 | Jul 20, 2021 |
| 10-K | Annual report | Jul 22, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Officer or director change, Other events
|
Apr 16, 2021 | Apr 9, 2021 |
| NT 10-K | Extension | Mar 31, 2021 | Dec 31, 2020 |
| 10-Q | Quarterly report | Nov 23, 2020 | Sep 30, 2020 |
| NT 10-Q | Notice of late filing | Nov 16, 2020 | Sep 30, 2020 |
| 10-Q | Quarterly report | Aug 19, 2020 | Jun 30, 2020 |
| NT 10-Q | Notice of late filing | Aug 14, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Other events
|
Jul 13, 2020 | Jul 8, 2020 |
| 10-Q | Quarterly report | Jun 26, 2020 | Mar 31, 2020 |
| 4/A | Filing | Jun 22, 2020 | Jun 19, 2020 |
| 4 | Insider transaction | Jun 19, 2020 | Jun 19, 2020 |
| 4 | Insider transaction | Jun 19, 2020 | Jun 19, 2020 |
| 4 | Insider transaction | Jun 19, 2020 | Jun 15, 2020 |
| 4 | Insider transaction | Jun 17, 2020 | Jun 12, 2020 |
| 8-K |
Current report
Other events
|
May 15, 2020 | May 15, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 17, 2020 | Apr 16, 2020 |
| 4 | Insider transaction | Apr 1, 2020 | Nov 15, 2019 |
| 10-K | Annual report | Mar 30, 2020 | Dec 31, 2019 |
| 4 | Insider transaction | Mar 24, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Mar 24, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Mar 24, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Mar 24, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Mar 24, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Mar 24, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Mar 18, 2020 | Jan 8, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 4, 2020 | Mar 4, 2020 |
| 10-Q | Quarterly report | Nov 14, 2019 | Sep 30, 2019 |
| SC 13D | Ownership over 5% (active) | Oct 16, 2019 | — |
| 4 | Insider transaction | Sep 24, 2019 | Sep 23, 2019 |
| 10-Q | Quarterly report | Aug 14, 2019 | Jun 30, 2019 |
| 4 | Insider transaction | Jun 4, 2019 | May 31, 2019 |
| 8-K |
Current report
Unregistered share sale
|
Jun 4, 2019 | Jun 4, 2019 |
| 10-Q | Quarterly report | May 15, 2019 | Mar 31, 2019 |
| 4 | Insider transaction | Apr 10, 2019 | Feb 21, 2019 |
| 4 | Insider transaction | Apr 5, 2019 | Feb 25, 2019 |
| 4 | Insider transaction | Apr 5, 2019 | Feb 25, 2019 |
| 10-K | Annual report | Apr 1, 2019 | Dec 31, 2018 |
| 4 | Insider transaction | Mar 21, 2019 | Mar 21, 2019 |
| 4 | Insider transaction | Mar 1, 2019 | Jan 1, 2019 |
| 4 | Insider transaction | Mar 1, 2019 | Jan 1, 2019 |
| 4 | Insider transaction | Mar 1, 2019 | Jan 1, 2019 |
| 4 | Insider transaction | Mar 1, 2019 | Jan 1, 2019 |
| 4 | Insider transaction | Mar 1, 2019 | Jan 1, 2019 |
| 4 | Insider transaction | Mar 1, 2019 | Jan 1, 2019 |
| 4 | Insider transaction | Mar 1, 2019 | Jan 1, 2019 |
| 4 | Insider transaction | Feb 21, 2019 | Feb 21, 2019 |
| 4 | Insider transaction | Nov 28, 2018 | Nov 26, 2018 |
| 4 | Insider transaction | Nov 28, 2018 | Nov 26, 2018 |
| 4/A | Filing | Nov 28, 2018 | Mar 30, 2018 |
| 10-Q | Quarterly report | Nov 14, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Nov 14, 2018 | Nov 9, 2018 |
| DEF 14A | Proxy statement | Oct 9, 2018 | Nov 9, 2018 |
| 8-K/A |
Amended current report
Other events
|
Sep 5, 2018 | Sep 5, 2018 |
| 8-K |
Current report
Other events
|
Sep 5, 2018 | Sep 5, 2018 |
| 10-Q | Quarterly report | Aug 14, 2018 | Jun 30, 2018 |
| 4 | Insider transaction | May 16, 2018 | May 14, 2018 |
| 10-Q | Quarterly report | May 15, 2018 | Mar 31, 2018 |
| 4 | Insider transaction | Apr 4, 2018 | Mar 30, 2018 |
| 10-K | Annual report | Apr 2, 2018 | Dec 31, 2017 |
| 4 | Insider transaction | Feb 23, 2018 | Jan 1, 2018 |
| 4 | Insider transaction | Feb 23, 2018 | Jan 1, 2018 |
| 4 | Insider transaction | Feb 20, 2018 | Jan 1, 2018 |
| 4 | Insider transaction | Feb 20, 2018 | Jan 1, 2018 |
| 4 | Insider transaction | Feb 20, 2018 | Jan 1, 2018 |
| 4 | Insider transaction | Feb 20, 2018 | Jan 1, 2018 |
| 4 | Insider transaction | Feb 20, 2018 | Jan 1, 2018 |
| 4 | Insider transaction | Feb 6, 2018 | Feb 6, 2018 |
| 10-Q | Quarterly report | Nov 14, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Oct 12, 2017 | Oct 10, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Oct 6, 2017 | Oct 5, 2017 |
| 4 | Insider transaction | Oct 3, 2017 | May 1, 2017 |
| 4 | Insider transaction | Oct 2, 2017 | Sep 29, 2017 |
| 10-Q | Quarterly report | Aug 14, 2017 | Jun 30, 2017 |
| DEF 14A | Proxy statement | Aug 9, 2017 | Aug 7, 2017 |
| 4 | Insider transaction | Aug 3, 2017 | Aug 2, 2017 |
| 4 | Insider transaction | Aug 1, 2017 | Jul 30, 2017 |
| PRE 14A | Preliminary proxy statement | Jul 27, 2017 | Jul 31, 2017 |
| 3 | Initial insider ownership | Jul 27, 2017 | Jul 14, 2017 |
| 4 | Insider transaction | Jul 19, 2017 | Jul 19, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Jul 19, 2017 | Jul 14, 2017 |
| 8-K |
Current report
Other events
|
Jul 14, 2017 | Jul 13, 2017 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jun 6, 2017 | May 31, 2017 |
| 4 | Insider transaction | Jun 2, 2017 | May 31, 2017 |
| DEFA14A | Additional proxy material | May 25, 2017 | — |
| DEF 14A | Proxy statement | May 24, 2017 | Jul 14, 2017 |
| 4 | Insider transaction | May 17, 2017 | May 15, 2017 |
| 3 | Initial insider ownership | May 17, 2017 | May 9, 2017 |
| 10-Q | Quarterly report | May 15, 2017 | Mar 31, 2017 |
| 4 | Insider transaction | May 12, 2017 | May 9, 2017 |
| PRE 14A | Preliminary proxy statement | May 12, 2017 | Jul 14, 2017 |
| 4 | Insider transaction | May 11, 2017 | May 9, 2017 |
| 3 | Initial insider ownership | May 11, 2017 | May 9, 2017 |
| 8-K |
Current report
Officer or director change, Other events
|
May 10, 2017 | May 8, 2017 |
| 4 | Insider transaction | Apr 18, 2017 | Apr 17, 2017 |
| 8-K |
Current report
Other events
|
Apr 7, 2017 | Apr 6, 2017 |
| 4 | Insider transaction | Apr 7, 2017 | Apr 1, 2017 |
| 3 | Initial insider ownership | Apr 7, 2017 | Apr 1, 2017 |
| 4 | Insider transaction | Apr 6, 2017 | Apr 1, 2017 |
| 4 | Insider transaction | Apr 6, 2017 | Apr 1, 2017 |
| 3 | Initial insider ownership | Apr 6, 2017 | Apr 1, 2017 |
| 3 | Initial insider ownership | Apr 6, 2017 | Apr 1, 2017 |
| 10-K | Annual report | Mar 31, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Other events
|
Feb 10, 2017 | Feb 10, 2017 |
| 4 | Insider transaction | Feb 3, 2017 | Jan 1, 2017 |
| 4 | Insider transaction | Jan 31, 2017 | Jan 1, 2017 |
| 4 | Insider transaction | Jan 30, 2017 | Oct 13, 2016 |
| 4 | Insider transaction | Jan 27, 2017 | Jan 1, 2017 |
| 4 | Insider transaction | Jan 26, 2017 | Jan 1, 2017 |
| 4 | Insider transaction | Jan 26, 2017 | Jan 1, 2017 |
| 8-K |
Current report
Material agreement
|
Dec 2, 2016 | Nov 28, 2016 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Nov 14, 2016 | Nov 7, 2016 |
| 10-Q | Quarterly report | Nov 9, 2016 | Sep 30, 2016 |
| 10-Q | Quarterly report | Aug 9, 2016 | Jun 30, 2016 |
| 4 | Insider transaction | Aug 8, 2016 | Aug 5, 2016 |
| UPLOAD | Letter from the SEC | Jun 29, 2016 | — |
| CORRESP | Letter to the SEC | Jun 7, 2016 | — |
| UPLOAD | Letter from the SEC | May 27, 2016 | — |
| 4 | Insider transaction | May 11, 2016 | May 9, 2016 |
| 10-Q | Quarterly report | May 10, 2016 | Mar 31, 2016 |
| 4 | Insider transaction | May 10, 2016 | May 9, 2016 |
| 4 | Insider transaction | May 10, 2016 | May 9, 2016 |
| 4 | Insider transaction | May 10, 2016 | May 9, 2016 |
| 4 | Insider transaction | May 10, 2016 | May 9, 2016 |
| 4 | Insider transaction | May 10, 2016 | May 9, 2016 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Apr 25, 2016 | Apr 20, 2016 |
| 10-K/A | Amended annual report | Mar 16, 2016 | Dec 31, 2015 |
| CORRESP | Letter to the SEC | Mar 15, 2016 | — |
| 10-K | Annual report | Mar 15, 2016 | Dec 31, 2015 |
| UPLOAD | Letter from the SEC | Mar 11, 2016 | — |
| CORRESP | Letter to the SEC | Jan 14, 2016 | — |
| UPLOAD | Letter from the SEC | Dec 30, 2015 | — |
| 8-K |
Current report
Other events
|
Dec 1, 2015 | Dec 1, 2015 |
| 10-Q | Quarterly report | Nov 9, 2015 | Sep 30, 2015 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Aug 11, 2015 | Aug 11, 2015 |
| 10-Q | Quarterly report | Aug 7, 2015 | Jun 30, 2015 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2015 | Jun 19, 2015 |
| 10-Q | Quarterly report | May 11, 2015 | Mar 31, 2015 |
| DEF 14A | Proxy statement | May 8, 2015 | Jun 19, 2015 |
| 10-K | Annual report | Mar 16, 2015 | Dec 31, 2014 |
| 4 | Insider transaction | Mar 10, 2015 | Mar 6, 2015 |
| 4 | Insider transaction | Jan 28, 2015 | Jan 1, 2015 |
| 4 | Insider transaction | Jan 27, 2015 | Jan 1, 2015 |
| 4 | Insider transaction | Jan 26, 2015 | Jan 1, 2015 |
| 4 | Insider transaction | Jan 26, 2015 | Jan 1, 2015 |
| 4 | Insider transaction | Jan 26, 2015 | Jan 1, 2015 |
| 3 | Initial insider ownership | Jan 23, 2015 | Jan 20, 2015 |
| 8-K |
Current report
Officer or director change
|
Jan 22, 2015 | Jan 20, 2015 |
| 8-K |
Current report
Officer or director change
|
Nov 13, 2014 | Nov 6, 2014 |
| 10-Q | Quarterly report | Nov 10, 2014 | Sep 30, 2014 |
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
- Oil & Gas Field Machinery & Equipment (SIC 3533)
- Listed as
- QSEP (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- NV
- Headquarters
- Tomball, TX
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1103795
- Former names
- SAVE THE WORLD AIR INC (until Aug 7, 2015)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.