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
NT 10-K Request for extension Apr 1, 2024 Dec 31, 2023
NT 10-Q Notice of late filing Aug 16, 2021 Jun 30, 2021
NT 10-K Extension Mar 31, 2021 Dec 31, 2020
NT 10-Q Notice of late filing Nov 16, 2020 Sep 30, 2020
NT 10-Q Notice of late filing Aug 14, 2020 Jun 30, 2020
UPLOAD Letter from the SEC Jun 29, 2016 —
CORRESP Letter to the SEC Jun 7, 2016 —
UPLOAD Letter from the SEC May 27, 2016 —
CORRESP Letter to the SEC Mar 15, 2016 —
UPLOAD Letter from the SEC Mar 11, 2016 —
CORRESP Letter to the SEC Jan 14, 2016 —
UPLOAD Letter from the SEC Dec 30, 2015 —
UPLOAD Letter from the SEC Oct 29, 2013 —
CORRESP Letter to the SEC Oct 28, 2013 —
CORRESP Letter to the SEC Oct 23, 2013 —
PRER14A Filing Oct 23, 2013 —
D Filing Feb 5, 2010 —
UPLOAD Letter from the SEC Dec 11, 2009 —
D Filing Oct 13, 2009 —
CORRESP Letter to the SEC Sep 2, 2009 —
UPLOAD Letter from the SEC Sep 1, 2009 —
10QSB Quarterly report May 13, 2008 Mar 31, 2008
10KSB Annual report Mar 31, 2008 Dec 31, 2007
10QSB/A Save the world air Nov 20, 2007 Sep 30, 2007
NT 10-Q Notification of late filing Nov 14, 2007 Sep 30, 2007
10QSB Form 10-qsb Aug 20, 2007 Jun 30, 2007
NT 10-Q Form 12b-25 Aug 14, 2007 Jun 30, 2007
10QSB Form 10-qsb Jul 24, 2007 Mar 31, 2007
10KSB Form 10ksb May 29, 2007 Dec 31, 2006
NT 10-K Notification of late filing Apr 3, 2007 Dec 31, 2006
10QSB Form 10-qsb Nov 14, 2006 Sep 30, 2006
EFFECT Filing Oct 30, 2006 —
SB-2/A Form sb-2/a Oct 30, 2006 —
CORRESP Letter to the SEC Oct 27, 2006 —
SB-2/A Amendment no.1 to form sb-2 Oct 27, 2006 —
SB-2/A Amendment no.1 to form sb-2 Oct 27, 2006 —
UPLOAD Letter from the SEC Oct 25, 2006 —
SB-2 Save the world air, inc Oct 6, 2006 —
10QSB Form 10qsb Aug 14, 2006 Jun 30, 2006
EFFECT Filing Jul 24, 2006 —
SB-2/A Amendment to form sb-2 Jul 21, 2006 —
REGDEX Auto-generated paper document Jun 28, 2006 —
REGDEX Auto-generated paper document Jun 28, 2006 —
SB-2 Save the world air, inc. Jun 28, 2006 —
10QSB Save the world air, inc. - 3/31/2006 May 17, 2006 Mar 31, 2006
NT 10-Q Save the world air, inc.- march 31, 2006 May 15, 2006 Mar 31, 2006
10KSB Save the world air, inc. - 12/31/2005 Mar 31, 2006 Dec 31, 2005
10QSB Save the world air, inc. - september 30, 2005 Nov 14, 2005 Sep 30, 2005
REGDEX Auto-generated paper document Sep 7, 2005 —
10QSB Save the world air, inc.- june 30, 2005 Aug 18, 2005 Jun 30, 2005
NT 10-Q Save the world air, inc.- june 30, 2005 Aug 12, 2005 Jun 30, 2005
REGDEX Auto-generated paper document Aug 1, 2005 —
10QSB Save the world air, inc.- march 31, 2005 May 20, 2005 Mar 31, 2005
NT 10-Q Save the world air, inc. - march 31, 2005 May 16, 2005 Mar 31, 2005
10KSB Save the world air, inc. - december 31, 2004 Apr 27, 2005 Dec 31, 2004
NT 10-K Save the world air, inc.- december 31, 2004 Apr 1, 2005 Dec 31, 2004
10QSB Save the world air, inc.- september 30, 2004 Dec 6, 2004 Sep 30, 2004
NT 10-Q Save the world air, inc. - dated 9/30/2004 Nov 16, 2004 Sep 30, 2004
10QSB Form 10-qsb Aug 23, 2004 Jun 30, 2004
NT 10-Q Form 12b-25 Aug 17, 2004 Jun 30, 2004
10QSB Form 10-qsb dated march 31, 2004 Jul 16, 2004 Mar 31, 2004
10QSB/A Form 10-qsb/a dated 3/31/2003 Jul 1, 2004 Mar 31, 2003
10QSB/A Form 10-qsb/a dated 6/30/2003 Jul 1, 2004 Jun 30, 2003
10QSB/A Form 10qsb - amendment - period september 31, 2003 Jul 1, 2004 Sep 30, 2003
10QSB Form 10qsb - period ended march 31, 2003 Jun 7, 2004 Mar 31, 2003
10QSB Form 10qsb - period ended september 30,2003 Jun 7, 2004 Sep 30, 2003
10QSB Form 10qsb - period ended june 30,2003 Jun 7, 2004 Jun 30, 2003
NT 10-Q Form 12b-25 - period ended march 31, 2004 May 17, 2004 Mar 31, 2004
10KSB Form 10ksb - fiscal year ended december 31, 2003 Apr 15, 2004 Dec 31, 2003
NT 10-K Form 12b-25 for 12/31/2003 Mar 30, 2004 Dec 31, 2003
10KSB Filing Mar 25, 2004 Dec 31, 2002
REGDEX Auto-generated paper document Mar 13, 2003 —
10QSB Filing Nov 14, 2001 Sep 30, 2001
10QSB Filing Aug 23, 2001 Jun 30, 2001
NTN 10Q Filing Aug 15, 2001 Jun 30, 2001
10QSB Filing Jul 11, 2001 Mar 31, 2001
NT 10-Q Filing May 16, 2001 Mar 31, 2001
10KSB Save the world air, inc. Apr 17, 2001 Dec 31, 2000
NT 10-K Save the world air, inc. Apr 3, 2001 Dec 31, 2000
10SB12G/A Amendment no. 3 Nov 29, 2000 —
10QSB/A Amendment no. 1 Nov 28, 2000 Jun 30, 2000
10QSB/A Amendment no. 1 Nov 28, 2000 Mar 31, 2000
10QSB Save the world air, inc. Nov 20, 2000 Sep 30, 2000
NT 10-Q Save the world air, inc. Nov 15, 2000 Sep 30, 2000
10QSB Save the world air, inc. Aug 21, 2000 Jun 30, 2000
NT 10-Q Save the world air, inc. Aug 15, 2000 Jun 30, 2000
10QSB Save the world air, inc. May 11, 2000 Mar 31, 2000
10SB12G/A Save the world air inc.- amendment #2 Mar 3, 2000 —
10SB12G/A Save the world air inc.- amendment #1 Mar 2, 2000 —
10SB12G Save the world air inc. Jan 27, 2000 —

Showing 90 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.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

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)

Other Oil & Gas Field Machinery & Equipment companies

All 20 Oil & Gas Field Machinery & Equipment companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.