US NUCLEAR CORP.

Symbol
UCLE on OTC
Industry
Measuring & Controlling Devices, Nec (Industrial Applications And Services)
Business address
7051 Eton Avenue, Canoga Park, CA, 91303
State of incorporation
DE
Fiscal year end
31 December
Former names
APEX 3, INC. (to 29 May 2012)
⭐ Add to watchlist ⭐
US NUCLEAR CORP. has filed 201 SEC EDGAR filings since 02 Mar 2012

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 14 Nov 2025 30 Sep 2025 000-54617
8-K/A Open Document | Data Open Filing AMENDMENT NO. 1 TO FORM 8-K 05 Nov 2025 05 Nov 2025 000-54617
8-K Open Document | Data Open Filing CURRENT REPORT 04 Nov 2025 04 Nov 2025 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 27 Oct 2025 30 Jun 2025 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 22 Aug 2025 31 Mar 2025 000-54617
10-K Open Document | Data Open Filing ANNUAL REPORT 25 Jun 2025 31 Dec 2024 000-54617
D Open Document Open Filing 04 Apr 2025 021-542959
NT 10-K Open Document Open Filing NOTIFICATION OF LATE FILING 31 Mar 2025 31 Dec 2024 000-54617
D Open Document Open Filing 27 Dec 2024 021-533494
D Open Document Open Filing 27 Dec 2024 021-533493
8-K Open Document | Data Open Filing CURRENT REPORT 20 Dec 2024 19 Dec 2024 000-54617
8-K Open Document | Data Open Filing CURRENT REPORT 12 Dec 2024 12 Dec 2024 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 27 Nov 2024 30 Sep 2024 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 15 Nov 2024 30 Sep 2024 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 04 Oct 2024 30 Jun 2024 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 16 Aug 2024 30 Jun 2024 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 01 Aug 2024 31 Mar 2024 000-54617
NT 10-Q Open Document Open Filing NT 10-Q 16 May 2024 31 Mar 2024 000-54617
10-K Open Document | Data Open Filing ANNUAL REPORT 10 May 2024 31 Dec 2023 000-54617
NT 10-K Open Document Open Filing NOTIFICATION OF LATE FILING 29 Mar 2024 30 Sep 2022 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 20 Nov 2023 30 Sep 2023 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 14 Nov 2023 30 Sep 2023 000-54617
8-K Open Document | Data Open Filing CURRENT REPORT 10 Oct 2023 10 Oct 2023 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 21 Aug 2023 30 Jun 2023 000-54617
8-K Open Document | Data Open Filing CURRENT REPORT 18 Aug 2023 17 Aug 2023 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 11 Aug 2023 30 Jun 2023 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 28 Jun 2023 31 Mar 2023 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 16 May 2023 31 Mar 2023 000-54617
10-K Open Document | Data Open Filing 10-K 12 May 2023 31 Dec 2022 000-54617
NT 10-K Open Document Open Filing NOTIFICATION OF LATE FILING 31 Mar 2023 31 Dec 2022 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 22 Nov 2022 30 Sep 2022 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 14 Nov 2022 30 Sep 2022 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 27 Sep 2022 30 Jun 2022 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 15 Aug 2022 30 Jun 2022 000-54617
EFFECT Open Document Open Filing 22 Jul 2022 333-265999
CORRESP Open Document Open Filing 21 Jul 2022
S-1/A Open Document | Data Open Filing AMENDMENT NO. 2 TO FORM S-1 20 Jul 2022 333-265999
S-1/A Open Document | Data Open Filing AMENDMENT NO. 1 TO FORM S-1 19 Jul 2022 333-265999
DEL AM Open Document Open Filing DEL AM 06 Jul 2022 333-265999
S-1 Open Document | Data Open Filing REGISTRATION STATEMENT 30 Jun 2022 333-265999
8-K Open Document | Data Open Filing CURRENT REPORT 30 Jun 2022 30 Jun 2022 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 23 May 2022 31 Mar 2022 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 17 May 2022 31 Mar 2022 000-54617
8-K Open Document | Data Open Filing CURRENT REPORT 16 May 2022 16 May 2022 000-54617
10-K Open Document | Data Open Filing ANNUAL REPORT 15 Apr 2022 31 Dec 2021 000-54617
NT 10-K Open Document Open Filing NOTIFICATION OF LATE FILING 30 Mar 2022 31 Dec 2021 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 09 Nov 2021 30 Sep 2021 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 20 Sep 2021 30 Jun 2021 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 24 Aug 2021 31 Mar 2021 000-54617
10-K Open Document | Data Open Filing ANNUAL REPORT 29 Jul 2021 31 Dec 2020 000-54617
NT 10-K Open Document Open Filing NOTIFICATION OF LATE FILING 31 Mar 2021 31 Dec 2020 000-54617
8-K Open Document Open Filing CURRENT REPORT 06 Jan 2021 06 Jan 2021 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 18 Nov 2020 30 Sep 2020 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 16 Nov 2020 30 Sep 2020 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 18 Sep 2020 30 Jun 2020 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 25 Aug 2020 31 Mar 2020 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 17 Aug 2020 30 Jun 2020 000-54617
10-K Open Document | Data Open Filing ANNUAL REPORT 02 Jul 2020 31 Dec 2019 000-54617
NT 10-K Open Document Open Filing FORM NT 10-K 14 May 2020 31 Dec 2019 000-54617
8-K Open Document Open Filing FORM 8-K 14 May 2020 14 May 2020 000-54617
8-K Open Document Open Filing FORM 8-K 30 Mar 2020 30 Mar 2020 000-54617
8-K Open Document Open Filing FORM 8-K 05 Feb 2020 05 Feb 2020 000-54617
8-K Open Document Open Filing FORM 8-K 02 Dec 2019 02 Dec 2019 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 19 Nov 2019 30 Sep 2019 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 14 Nov 2019 30 Sep 2019 000-54617
SC 13D/A Open Document Open Filing SC 13D/A 20 Sep 2019 005-87588
10-Q Open Document | Data Open Filing QUARTERLY REPORT 16 Aug 2019 30 Jun 2019 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 14 Aug 2019 30 Jun 2019 000-54617
8-K Open Document Open Filing CURRENT REPORT 14 Jun 2019 10 Jun 2019 000-54617
8-K Open Document Open Filing CURRENT REPORT 30 May 2019 30 May 2019 000-54617
10-Q Open Document | Data Open Filing QUARTERLY REPORT 20 May 2019 31 Mar 2019 000-54617
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING 15 May 2019 31 Mar 2019 000-54617
10-K Open Document | Data Open Filing 10-K 17 Apr 2019 31 Dec 2018 000-54617
NT 10-K Open Document Open Filing NT 10-K 01 Apr 2019 31 Dec 2018 000-54617
SC 13D/A Open Document Open Filing SC 13D/A 26 Feb 2019 005-87588
10-Q Open Document | Data Open Filing 10-Q 14 Nov 2018 30 Sep 2018 000-54617
10-Q Open Document | Data Open Filing 10-Q 21 Aug 2018 30 Jun 2018 000-54617
NT 10-Q Open Document Open Filing NT 10-Q 14 Aug 2018 30 Jun 2018 000-54617
SC 13G Open Document Open Filing SCHEDULE 13G 10 Jul 2018 005-87588
8-K Open Document Open Filing 8-K 02 Jul 2018 05 Jun 2018 000-54617
8-K Open Document Open Filing 8-K 08 Jun 2018 31 May 2018 000-54617
10-Q Open Document | Data Open Filing 10-Q 17 May 2018 31 Mar 2018 000-54617
NT 10-Q Open Document Open Filing NT 10-Q 15 May 2018 31 Mar 2017 000-54617
8-K Open Document Open Filing 8-K 30 Apr 2018 19 Apr 2018 000-54617
SC 13D/A Open Document Open Filing SC 13D/A 23 Apr 2018 005-87588
10-K Open Document | Data Open Filing 10-K 17 Apr 2018 31 Dec 2017 000-54617
NT 10-K/A Open Document Open Filing NT 10-K 03 Apr 2018 31 Dec 2017 000-54617
NT 10-K Open Document Open Filing NT 10-K 02 Apr 2018 31 Dec 2017 000-54617
SC 13D/A Open Document Open Filing SC 13D/A 12 Feb 2018 005-87588
10-Q Open Document | Data Open Filing 10-Q 14 Nov 2017 30 Sep 2017 000-54617
10-Q Open Document | Data Open Filing 10-Q 11 Aug 2017 30 Jun 2017 000-54617
SC 13D/A Open Document Open Filing SC 13D/A 06 Jul 2017 005-87588
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jul 2017 29 Jun 2017
10-Q Open Document | Data Open Filing 10-Q 15 May 2017 31 Mar 2017 000-54617
10-K Open Document | Data Open Filing 10-K 17 Apr 2017 31 Dec 2016 000-54617
SC 13D/A Open Document Open Filing SC 13D/A 06 Apr 2017 005-87588
NT 10-K Open Document Open Filing NT 10-K 31 Mar 2017 31 Dec 2016 000-54617
4 Open Document Open Filing PRIMARY DOCUMENT 30 Mar 2017 29 Mar 2017
8-K/A Open Document Open Filing 8-K/A 17 Feb 2017 29 Jun 2016 000-54617
SC 13D/A Open Document Open Filing SC 13D/A 03 Jan 2017 005-87588
4 Open Document Open Filing PRIMARY DOCUMENT 29 Dec 2016 28 Dec 2016
8-K/A Open Document Open Filing 8-K/A 14 Dec 2016 14 Dec 2016 000-54617
10-Q Open Document | Data Open Filing 10-Q 3RD QUARTER 14 Nov 2016 30 Sep 2016 000-54617
SC 13D Open Document Open Filing SC 13D 03 Oct 2016 005-87588
4 Open Document Open Filing PRIMARY DOCUMENT 30 Sep 2016 29 Sep 2016
D Open Document Open Filing 28 Sep 2016 021-271449
8-K/A Open Document Open Filing 8-K/A 02 Sep 2016 28 Jun 2016 000-54617
8-K/A Open Document Open Filing 8-K/A 30 Aug 2016 28 Jun 2016 000-54617
10-Q Open Document | Data Open Filing 10-Q 15 Aug 2016 30 Jun 2016 000-54617
SC 13D Open Document Open Filing SCHEDULE 13 D 07 Jul 2016 005-87588
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jun 2016 27 Jun 2016
8-K Open Document Open Filing 8-K 29 Jun 2016 28 Jun 2016 000-54617
4 Open Document Open Filing PRIMARY DOCUMENT 24 Jun 2016 22 Jun 2016
10-Q Open Document | Data Open Filing 10-Q (MARCH 31, 2016) 16 May 2016 31 Mar 2016 000-54617
10-K Open Document | Data Open Filing 10-K 14 Apr 2016 31 Dec 2015 000-54617
NT 10-K Open Document Open Filing 12B-25 30 Mar 2016 31 Dec 2015 000-54617
8-K Open Document Open Filing 8-K 01 Mar 2016 05 Feb 2016 000-54617
5 Open Document Open Filing OWNERSHIP DOCUMENT 18 Feb 2016 05 Nov 2014
5 Open Document Open Filing OWNERSHIP DOCUMENT 18 Feb 2016 31 Dec 2012
SC 13D Open Document Open Filing SCHEDULE 13D 12 Feb 2016 005-87588
3 Open Document Open Filing OWNERSHIP DOCUMENT 02 Feb 2016 28 Mar 2014
8-K Open Document Open Filing 8-K 01 Feb 2016 29 Jan 2016 000-54617
4/A Open Document Open Filing PRIMARY DOCUMENT 26 Jan 2016 01 Jan 2014
SC 13D/A Open Document Open Filing SC 13D/A 05 Jan 2016 005-87588
SC 13D Open Document Open Filing SC 13D 05 Jan 2016 005-87588
3 Open Document Open Filing PRIMARY DOCUMENT 04 Jan 2016 02 Mar 2012
8-K Open Document Open Filing FORM 8-K 02 Dec 2015 02 Dec 2015 000-54617
8-K Open Document Open Filing FORM 8-K 24 Nov 2015 23 Nov 2015 000-54617
10-Q Open Document | Data Open Filing FORM 10-Q 12 Nov 2015 30 Sep 2015 000-54617
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Nov 2015 01 Nov 2015
4 Open Document Open Filing PRIMARY DOCUMENT 23 Oct 2015 21 Oct 2015
4 Open Document Open Filing PRIMARY DOCUMENT 13 Oct 2015 12 Oct 2015
4 Open Document Open Filing OWNERSHIP DOCUMENT 21 Sep 2015 18 May 2015
10-Q Open Document | Data Open Filing FORM 10-Q 13 Aug 2015 30 Jun 2015 000-54617
8-K Open Document Open Filing FORM 8-K 29 May 2015 28 May 2015 000-54617
10-Q Open Document | Data Open Filing FORM 10-Q 15 May 2015 31 Mar 2015 000-54617
10-K Open Document | Data Open Filing FORM 10-K 15 Apr 2015 31 Dec 2014 000-54617
NT 10-K Open Document Open Filing NT 10-K 31 Mar 2015 31 Dec 2014 000-54617
3 Open Document Open Filing PRIMARY DOCUMENT 20 Mar 2015 16 Oct 2014
EFFECT Open Document Open Filing 13 Jan 2015 333-200135
CORRESP Open Document Open Filing 08 Jan 2015
CORRESP Open Document Open Filing 29 Dec 2014
S-1/A Open Document Open Filing FORM S-1 29 Dec 2014 333-200135
UPLOAD Open Document Open Filing 19 Dec 2014
CORRESP Open Document Open Filing 17 Dec 2014
S-1/A Open Document Open Filing FORM S-1 17 Dec 2014 333-200135
8-K/A Open Document Open Filing FORM 8-K 17 Dec 2014 06 May 2014 000-54617
UPLOAD Open Document Open Filing 03 Dec 2014
S-1 Open Document Open Filing FORM S-1 12 Nov 2014 333-200135
10-Q Open Document | Data Open Filing FORM 10-Q 12 Nov 2014 30 Sep 2014 000-54617
8-K Open Document Open Filing FORM 8-K 17 Oct 2014 16 Oct 2014 000-54617
10-Q Open Document | Data Open Filing FORM 10-Q 13 Aug 2014 30 Jun 2014 000-54617
10-Q Open Document | Data Open Filing FORM 10-Q 15 May 2014 31 Mar 2014 000-54617
8-K/A Open Document Open Filing FORM 8-K 13 May 2014 06 May 2014 000-54617
8-K Open Document Open Filing FORM 8-K 07 May 2014 06 May 2014 000-54617
D Open Document Open Filing 25 Apr 2014 021-216300
10-K Open Document | Data Open Filing FORM 10-K 14 Apr 2014 31 Dec 2013 000-54617
8-K Open Document Open Filing FORM 8-K 01 Apr 2014 28 Mar 2014 000-54617
8-K Open Document Open Filing FORM 8-K 28 Mar 2014 28 Mar 2014 000-54617
NT 10-K Open Document Open Filing NT 10-K 28 Mar 2014 31 Dec 2013 000-54617
UPLOAD Open Document Open Filing 08 Jan 2014
SC 13G Open Document Open Filing SCHEDULE 13G 03 Jan 2014 005-87588
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Jan 2014 01 Jan 2014
D Open Document Open Filing 03 Jan 2014 021-209241
8-K Open Document Open Filing FORM 8-K 03 Jan 2014 01 Jan 2014 000-54617