QS Energy, Inc.

Symbol
QSEP on OTC
Entity
Company
Business address
23902 Fm 2978, 77375 Tomball, TX
Phone
775-300-7647
State of incorporation
NV
Fiscal year end
December 31
Category
Non-accelerated filer
Smaller reporting company
Former names
SAVE THE WORLD AIR INC (to 8/7/2015)
All SEC filings
View on sec.gov
Get insider transactions for this issuer
QS Energy, Inc. has filed 545 SEC EDGAR filings since 1/27/2000

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
10-Q Open Document | Data Open Filing FORM 10-Q FOR JUN 2025 Aug 14, 2025 Jun 30, 2025 000-29185
8-K Open Document | Data Open Filing CURRENT REPORT Jun 25, 2025 Jun 19, 2025 000-29185
8-K Open Document | Data Open Filing CURRENT REPORT Jun 20, 2025 Jun 20, 2025 000-29185
4 Open Document Open Filing May 27, 2025 May 23, 2025
10-Q Open Document | Data Open Filing FORM 10-Q FOR MAR 2025 May 14, 2025 Mar 31, 2025 000-29185
10-K Open Document | Data Open Filing FORM 10-K FOR DEC 2024 Mar 28, 2025 Dec 31, 2024 000-29185
SCHEDULE 13D/A Open Document Open Filing Feb 27, 2025 005-82258
4 Open Document Open Filing Feb 25, 2025 Feb 14, 2025
4/A Open Document Open Filing Feb 25, 2025 Jun 7, 2021
4 Open Document Open Filing Feb 25, 2025 Feb 14, 2025
4/A Open Document Open Filing Feb 25, 2025 Feb 13, 2024
8-K Open Document | Data Open Filing CURRENT REPORT Feb 21, 2025 Feb 19, 2025 000-29185
8-K Open Document | Data Open Filing CURRENT REPORT Feb 19, 2025 Feb 14, 2025 000-29185
8-K Open Document | Data Open Filing CURRENT REPORT Feb 19, 2025 Feb 14, 2025 000-29185
DEF 14A Open Document Open Filing DEFINITIVE PROXY STATEMENT Dec 27, 2024 Feb 14, 2025 000-29185
PRE 14A Open Document Open Filing PRE 14A Dec 17, 2024 Feb 14, 2025 000-29185
8-K Open Document | Data Open Filing CURRENT REPORT Nov 15, 2024 Nov 15, 2024 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q FOR SEPT 2024 Nov 14, 2024 Sep 30, 2024 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q FOR JUNE 2024 Aug 9, 2024 Jun 30, 2024 000-29185
8-K Open Document | Data Open Filing CURRENT REPORT Jun 7, 2024 Jun 3, 2024 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q FOR MARCH 2024 May 15, 2024 Mar 31, 2024 000-29185
8-K Open Document | Data Open Filing FORM 8-K May 10, 2024 May 10, 2024 000-29185
10-K Open Document | Data Open Filing FORM 10-K Apr 9, 2024 Dec 31, 2023 000-29185
NT 10-K Open Document Open Filing REQUEST FOR EXTENSION Apr 1, 2024 Dec 31, 2023 000-29185
4 Open Document Open Filing Feb 13, 2024 Feb 13, 2024
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 14, 2023 Sep 30, 2023 000-29185
8-K Open Document | Data Open Filing FORM 8-K Oct 5, 2023 Sep 30, 2023 000-29185
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 14, 2023 Jun 30, 2023 000-29185
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 12, 2023 Mar 31, 2023 000-29185
10-K Open Document | Data Open Filing FORM 10-K Mar 30, 2023 Dec 31, 2022 000-29185
4 Open Document Open Filing Mar 23, 2023 Mar 22, 2023
10-Q Open Document | Data Open Filing FORM 10-Q Nov 10, 2022 Sep 30, 2022 000-29185
8-K Open Document | Data Open Filing FORM 8-K Sep 27, 2022 Sep 23, 2022 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q Aug 12, 2022 Jun 30, 2022 000-29185
4 Open Document Open Filing Aug 10, 2022 Aug 10, 2022
10-Q Open Document | Data Open Filing FORM 10-Q May 16, 2022 Mar 31, 2022 000-29185
10-K Open Document | Data Open Filing FORM 10-K Mar 31, 2022 Dec 31, 2021 000-29185
8-K Open Document | Data Open Filing FORM 8-K Dec 10, 2021 Dec 9, 2021 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q Nov 15, 2021 Sep 30, 2021 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q FOR JUNE 30, 2021 Sep 13, 2021 Jun 30, 2021 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q Aug 23, 2021 Mar 31, 2021 000-29185
NT 10-Q Open Document Open Filing NOTICE OF LATE FILING Aug 16, 2021 Jun 30, 2021 000-29185
4 Open Document Open Filing Jul 28, 2021 Jun 7, 2021
3 Open Document Open Filing Jul 28, 2021 Apr 15, 2021
8-K Open Document Open Filing FORM 8-K Jul 23, 2021 Jul 20, 2021 000-29185
10-K Open Document | Data Open Filing FORM 10-K Jul 22, 2021 Dec 31, 2020 000-29185
8-K Open Document Open Filing FORM 8-K Apr 16, 2021 Apr 9, 2021 000-29185
NT 10-K Open Document Open Filing EXTENSION Mar 31, 2021 Dec 31, 2020 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q Nov 23, 2020 Sep 30, 2020 000-29185
NT 10-Q Open Document Open Filing NOTICE OF LATE FILING Nov 16, 2020 Sep 30, 2020 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q Aug 19, 2020 Jun 30, 2020 000-29185
NT 10-Q Open Document Open Filing NOTICE OF LATE FILING Aug 14, 2020 Jun 30, 2020 000-29185
8-K Open Document Open Filing FORM 8-K Jul 13, 2020 Jul 8, 2020 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q Jun 26, 2020 Mar 31, 2020 000-29185
4/A Open Document Open Filing Jun 22, 2020 Jun 19, 2020
4 Open Document Open Filing Jun 19, 2020 Jun 19, 2020
4 Open Document Open Filing Jun 19, 2020 Jun 19, 2020
4 Open Document Open Filing Jun 19, 2020 Jun 15, 2020
4 Open Document Open Filing Jun 17, 2020 Jun 12, 2020
8-K Open Document Open Filing FORM 8-K May 15, 2020 May 15, 2020 000-29185
8-K Open Document Open Filing FORM 8-K Apr 17, 2020 Apr 16, 2020 000-29185
4 Open Document Open Filing Apr 1, 2020 Nov 15, 2019
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 30, 2020 Dec 31, 2019 000-29185
4 Open Document Open Filing Mar 24, 2020 Jan 1, 2020
4 Open Document Open Filing Mar 24, 2020 Jan 1, 2020
4 Open Document Open Filing Mar 24, 2020 Jan 1, 2020
4 Open Document Open Filing Mar 24, 2020 Jan 1, 2020
4 Open Document Open Filing Mar 24, 2020 Jan 1, 2020
4 Open Document Open Filing Mar 24, 2020 Jan 1, 2020
4 Open Document Open Filing Mar 18, 2020 Jan 8, 2020
8-K Open Document Open Filing FORM 8-K Mar 4, 2020 Mar 4, 2020 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q Nov 14, 2019 Sep 30, 2019 000-29185
SC 13D Open Document Open Filing SCHEDULE 13D Oct 16, 2019 005-82258
4 Open Document Open Filing Sep 24, 2019 Sep 23, 2019
10-Q Open Document | Data Open Filing FORM 10-Q Aug 14, 2019 Jun 30, 2019 000-29185
4 Open Document Open Filing Jun 4, 2019 May 31, 2019
8-K Open Document Open Filing FORM 8-K Jun 4, 2019 Jun 4, 2019 000-29185
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 15, 2019 Mar 31, 2019 000-29185
4 Open Document Open Filing Apr 10, 2019 Feb 21, 2019
4 Open Document Open Filing Apr 5, 2019 Feb 25, 2019
4 Open Document Open Filing Apr 5, 2019 Feb 25, 2019
10-K Open Document | Data Open Filing FORM 10-K Apr 1, 2019 Dec 31, 2018 000-29185
4 Open Document Open Filing Mar 21, 2019 Mar 21, 2019
4 Open Document Open Filing Mar 1, 2019 Jan 1, 2019
4 Open Document Open Filing Mar 1, 2019 Jan 1, 2019
4 Open Document Open Filing Mar 1, 2019 Jan 1, 2019
4 Open Document Open Filing Mar 1, 2019 Jan 1, 2019
4 Open Document Open Filing Mar 1, 2019 Jan 1, 2019
4 Open Document Open Filing Mar 1, 2019 Jan 1, 2019
4 Open Document Open Filing Mar 1, 2019 Jan 1, 2019
4 Open Document Open Filing Feb 21, 2019 Feb 21, 2019
4 Open Document Open Filing Nov 28, 2018 Nov 26, 2018
4 Open Document Open Filing Nov 28, 2018 Nov 26, 2018
4/A Open Document Open Filing Nov 28, 2018 Mar 30, 2018
10-Q Open Document | Data Open Filing FORM 10-Q Nov 14, 2018 Sep 30, 2018 000-29185
8-K Open Document Open Filing CURRENT REPORT Nov 14, 2018 Nov 9, 2018 000-29185
DEF 14A Open Document Open Filing DEFINITIVE PROXY STATEMENT Oct 9, 2018 Nov 9, 2018 000-29185
8-K/A Open Document Open Filing FORM 8-K Sep 5, 2018 Sep 5, 2018 000-29185
8-K Open Document Open Filing FORM 8-K Sep 5, 2018 Sep 5, 2018 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q Aug 14, 2018 Jun 30, 2018 000-29185
4 Open Document Open Filing OWNERSHIP DOCUMENT May 16, 2018 May 14, 2018
10-Q Open Document | Data Open Filing FORM 10-Q May 15, 2018 Mar 31, 2018 000-29185
4 Open Document Open Filing FORM 4 Apr 4, 2018 Mar 30, 2018
10-K Open Document | Data Open Filing FORM 10-K Apr 2, 2018 Dec 31, 2017 000-29185
4 Open Document Open Filing FORM 4 Feb 23, 2018 Jan 1, 2018
4 Open Document Open Filing FORM 4 Feb 23, 2018 Jan 1, 2018
4 Open Document Open Filing OWNERSHIP DOCUMENT Feb 20, 2018 Jan 1, 2018
4 Open Document Open Filing OWNERSHIP DOCUMENT Feb 20, 2018 Jan 1, 2018
4 Open Document Open Filing OWNERSHIP DOCUMENT Feb 20, 2018 Jan 1, 2018
4 Open Document Open Filing OWNERSHIP DOCUMENT Feb 20, 2018 Jan 1, 2018
4 Open Document Open Filing OWNERSHIP DOCUMENT Feb 20, 2018 Jan 1, 2018
4 Open Document Open Filing OWNERSHIP DOCUMENT Feb 6, 2018 Feb 6, 2018
10-Q Open Document | Data Open Filing FORM 10-Q Nov 14, 2017 Sep 30, 2017 000-29185
8-K Open Document Open Filing FORM 8-K Oct 12, 2017 Oct 10, 2017 000-29185
8-K Open Document Open Filing FORM 8-K Oct 6, 2017 Oct 5, 2017 000-29185
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 3, 2017 May 1, 2017
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 2, 2017 Sep 29, 2017
10-Q Open Document | Data Open Filing FORM 10-Q Aug 14, 2017 Jun 30, 2017 000-29185
DEF 14A Open Document Open Filing DEFINITIVE PROXY Aug 9, 2017 Aug 7, 2017 000-29185
4 Open Document Open Filing OWNERSHIP DOCUMENT Aug 3, 2017 Aug 2, 2017
4 Open Document Open Filing OWNERSHIP DOCUMENT Aug 1, 2017 Jul 30, 2017
PRE 14A Open Document Open Filing NOTICE OF CONSENT SOLICITATION Jul 27, 2017 Jul 31, 2017 000-29185
3 Open Document Open Filing OWNERSHIP DOCUMENT Jul 27, 2017 Jul 14, 2017
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 19, 2017 Jul 19, 2017
8-K Open Document Open Filing FORM 8-K Jul 19, 2017 Jul 14, 2017 000-29185
8-K Open Document Open Filing FORM 8-K Jul 14, 2017 Jul 13, 2017 000-29185
8-K Open Document Open Filing CURRENT REPORT Jun 6, 2017 May 31, 2017 000-29185
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 2, 2017 May 31, 2017
DEFA14A Open Document Open Filing DEFINITIVE OTHER PROXY MATERIALS May 25, 2017 000-29185
DEF 14A Open Document Open Filing SCHEDULE 14A May 24, 2017 Jul 14, 2017 000-29185
4 Open Document Open Filing OWNERSHIP DOCUMENT May 17, 2017 May 15, 2017
3 Open Document Open Filing OWNERSHIP DOCUMENT May 17, 2017 May 9, 2017
10-Q Open Document | Data Open Filing FORM 10-Q May 15, 2017 Mar 31, 2017 000-29185
4 Open Document Open Filing OWNERSHIP DOCUMENT May 12, 2017 May 9, 2017
PRE 14A Open Document Open Filing PRE 14A May 12, 2017 Jul 14, 2017 000-29185
4 Open Document Open Filing FORM 4 May 11, 2017 May 9, 2017
3 Open Document Open Filing FORM 3 May 11, 2017 May 9, 2017
8-K Open Document Open Filing CURRENT REPORT ON FORM 8-K May 10, 2017 May 8, 2017 000-29185
4 Open Document Open Filing FORM 4 Apr 18, 2017 Apr 17, 2017
8-K Open Document Open Filing FORM 8-K Apr 7, 2017 Apr 6, 2017 000-29185
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 7, 2017 Apr 1, 2017
3 Open Document Open Filing OWNERSHIP DOCUMENT Apr 7, 2017 Apr 1, 2017
4 Open Document Open Filing FORM 4 Apr 6, 2017 Apr 1, 2017
4 Open Document Open Filing FORM 4 Apr 6, 2017 Apr 1, 2017
3 Open Document Open Filing FORM 3 Apr 6, 2017 Apr 1, 2017
3 Open Document Open Filing FORM 3 Apr 6, 2017 Apr 1, 2017
10-K Open Document | Data Open Filing FORM 10-K Mar 31, 2017 Dec 31, 2016 000-29185
8-K Open Document Open Filing FORM 8-K Feb 10, 2017 Feb 10, 2017 000-29185
4 Open Document Open Filing OWNERSHIP DOCUMENT Feb 3, 2017 Jan 1, 2017
4 Open Document Open Filing FORM 4 Jan 31, 2017 Jan 1, 2017
4 Open Document Open Filing OWNERSHIP DOCUMENT Jan 30, 2017 Oct 13, 2016
4 Open Document Open Filing OWNERSHIP DOCUMENT Jan 27, 2017 Jan 1, 2017
4 Open Document Open Filing FORM 4 Jan 26, 2017 Jan 1, 2017
4 Open Document Open Filing FORM 4 Jan 26, 2017 Jan 1, 2017
8-K Open Document Open Filing FORM 8-K Dec 2, 2016 Nov 28, 2016 000-29185
8-K Open Document Open Filing CURRENT REPORT Nov 14, 2016 Nov 7, 2016 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q Nov 9, 2016 Sep 30, 2016 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q Aug 9, 2016 Jun 30, 2016 000-29185
4 Open Document Open Filing FORM 4 Aug 8, 2016 Aug 5, 2016
UPLOAD Open Document Open Filing Jun 29, 2016
CORRESP Open Document Open Filing Jun 7, 2016
UPLOAD Open Document Open Filing May 27, 2016
4 Open Document Open Filing FORM 4 May 11, 2016 May 9, 2016
10-Q Open Document | Data Open Filing QS ENERGY, INC. May 10, 2016 Mar 31, 2016 000-29185
4 Open Document Open Filing FORM 4 May 10, 2016 May 9, 2016
4 Open Document Open Filing FORM 4 May 10, 2016 May 9, 2016
4 Open Document Open Filing FORM 4 May 10, 2016 May 9, 2016
4 Open Document Open Filing FORM 4 May 10, 2016 May 9, 2016
4 Open Document Open Filing FORM 4 May 10, 2016 May 9, 2016
8-K Open Document Open Filing Apr 25, 2016 Apr 20, 2016 000-29185
10-K/A Open Document | Data Open Filing FORM 10-K AMENDMENT Mar 16, 2016 Dec 31, 2015 000-29185
CORRESP Open Document Open Filing Mar 15, 2016
10-K Open Document Open Filing ANNUAL REPORT Mar 15, 2016 Dec 31, 2015 000-29185
UPLOAD Open Document Open Filing Mar 11, 2016
CORRESP Open Document Open Filing Jan 14, 2016
UPLOAD Open Document Open Filing Dec 30, 2015
8-K Open Document Open Filing QS ENERGY, INC. Dec 1, 2015 Dec 1, 2015 000-29185
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 9, 2015 Sep 30, 2015 000-29185
8-K Open Document Open Filing CURRENT REPORT Aug 11, 2015 Aug 11, 2015 000-29185
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 7, 2015 Jun 30, 2015 000-29185
8-K Open Document Open Filing FORM 8-K Jun 23, 2015 Jun 19, 2015 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q May 11, 2015 Mar 31, 2015 000-29185
DEF 14A Open Document Open Filing PROXY STATEMENT May 8, 2015 Jun 19, 2015 000-29185
10-K Open Document | Data Open Filing FORM 10-K Mar 16, 2015 Dec 31, 2014 000-29185
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 10, 2015 Mar 6, 2015
4 Open Document Open Filing OWNERSHIP DOCUMENT Jan 28, 2015 Jan 1, 2015
4 Open Document Open Filing OWNERSHIP DOCUMENT Jan 27, 2015 Jan 1, 2015
4 Open Document Open Filing OWNERSHIP DOCUMENT Jan 26, 2015 Jan 1, 2015
4 Open Document Open Filing OWNERSHIP DOCUMENT Jan 26, 2015 Jan 1, 2015
4 Open Document Open Filing OWNERSHIP DOCUMENT Jan 26, 2015 Jan 1, 2015
3 Open Document Open Filing FORM 3 Jan 23, 2015 Jan 20, 2015
8-K Open Document Open Filing CURRENT REPORT ON FORM 8-K Jan 22, 2015 Jan 20, 2015 000-29185
8-K Open Document Open Filing FORM 8-K Nov 13, 2014 Nov 6, 2014 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q Nov 10, 2014 Sep 30, 2014 000-29185
10-Q Open Document | Data Open Filing FORM 10-Q Aug 11, 2014 Jun 30, 2014 000-29185
8-K Open Document Open Filing CURRENT REPORT Jul 21, 2014 Jul 15, 2014 000-29185
8-K Open Document Open Filing CURRENT REPORT Jul 21, 2014 Jul 15, 2014 000-29185
4 Open Document Open Filing OWNERSHIP DOCUMENT May 20, 2014 May 6, 2014
4 Open Document Open Filing FORM 4 May 15, 2014 May 6, 2014
4 Open Document Open Filing FORM 4 May 15, 2014 May 6, 2014
4 Open Document Open Filing OWNERSHIP DOCUMENT May 14, 2014 May 6, 2014
4 Open Document Open Filing OWNERSHIP DOCUMENT May 14, 2014 May 6, 2014
4 Open Document Open Filing OWNERSHIP DOCUMENT May 14, 2014 May 6, 2014
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 9, 2014 Mar 31, 2014 000-29185
10-K Open Document | Data Open Filing FORM 10-K Mar 17, 2014 Dec 31, 2013 000-29185