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LTBR US​
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LIGHTBRIDGE Corp(LTBR US)

$5.44+0.040.83%Ext:$5.29-0.152.84%(Market Closed · 23:56:50 UTC)
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By Owner

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FinancialsChartingShort InterestEmployees

SEC Filings by Owner

Insider Ownership

MUSHAKOV ANDREY(96)

  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES28 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES7 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES14 Apr
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES30 Jan
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES16 Dec 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES5 Dec 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES2 Dec 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES21 Nov 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES10 Oct 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES23 Sep 2025

GRAE SETH(92)

  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES28 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES7 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES14 Apr
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES16 Dec 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES5 Dec 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES2 Dec 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES21 Nov 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES15 Oct 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES14 Oct 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES10 Oct 2025

GOLDMAN LARRY(75)

  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES28 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES7 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES14 Apr
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES16 Jan
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES16 Dec 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES5 Dec 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES2 Dec 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES21 Nov 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES29 Aug 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES15 Aug 2025

GRAHAM THOMAS JR(35)

  • 4Statement of changes in beneficial ownership22 Nov 2023
  • 4Statement of changes in beneficial ownership5 Jan 2023
  • 4Statement of changes in beneficial ownership22 Nov 2021
  • 4Statement of changes in beneficial ownership31 Mar 2021
  • 4Statement of changes in beneficial ownership4 Dec 2019
  • 4Statement of changes in beneficial ownership21 Dec 2018
  • 4PRIMARY DOCUMENT7 Dec 2018
  • 4PRIMARY DOCUMENT30 Aug 2018
  • 4PRIMARY DOCUMENT14 Aug 2018
  • 4/APRIMARY DOCUMENT28 Aug 2018

MAGRAW DANIEL B(29)

  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES7 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES5 Jan
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES29 Aug 2025
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership1 Apr 2025
  • 4Statement of changes in beneficial ownership24 Mar 2025
  • 4Statement of changes in beneficial ownership14 Mar 2025
  • 4Statement of changes in beneficial ownership6 Dec 2024
  • 4Statement of changes in beneficial ownership22 Nov 2023
  • 4Statement of changes in beneficial ownership5 Jan 2023

MARXE AUSTIN W & GREENHOUSE DAVID M(28)

  • 3PRIMARY DOCUMENT10 Feb 2015
  • 3PRIMARY DOCUMENT19 Nov 2014
  • 4PRIMARY DOCUMENT20 Feb 2014
  • 4PRIMARY DOCUMENT24 Jan 2014
  • 4PRIMARY DOCUMENT2 Jan 2014
  • 4PRIMARY DOCUMENT31 Dec 2013
  • 4PRIMARY DOCUMENT27 Dec 2013
  • 4PRIMARY DOCUMENT24 Dec 2013
  • 4PRIMARY DOCUMENT23 Dec 2013
  • 4PRIMARY DOCUMENT19 Dec 2013

Chakraborty Sweta(19)

  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES2 Sep
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES7 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES2 Jul
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES6 Jan
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES5 Jan
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES2 Dec 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES3 Nov 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES8 Oct 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES3 Oct 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES3 Sep 2025

Tobin Mark Robert(14)

  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES12 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES7 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES5 Jan
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES3 Sep 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES29 Aug 2025
  • 4Statement of changes in beneficial ownership4 Jun 2025
  • 4Statement of changes in beneficial ownership14 Mar 2025
  • 4Statement of changes in beneficial ownership6 Dec 2024
  • 4Statement of changes in beneficial ownership22 Nov 2024
  • 4Statement of changes in beneficial ownership22 Nov 2023

ALESSI VICTOR E(13)

  • 4Statement of changes in beneficial ownership22 Nov 2021
  • 4Statement of changes in beneficial ownership31 Mar 2021
  • 4Statement of changes in beneficial ownership4 Dec 2019
  • 4PRIMARY DOCUMENT14 Aug 2018
  • 4/APRIMARY DOCUMENT28 Aug 2018
  • 4PRIMARY DOCUMENT2 Nov 2017
  • 4PRIMARY DOCUMENT24 Nov 2015
  • 4PRIMARY DOCUMENT25 Sep 2015
  • 4Statement of changes in beneficial ownership10 Apr 2015
  • 4Statement of changes in beneficial ownership3 Jun 2014

Funches Jesse L.(12)

  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES7 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES9 Jan
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES5 Jan
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES7 Oct 2025
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES29 Aug 2025
  • 4Statement of changes in beneficial ownership13 May 2025
  • 4Statement of changes in beneficial ownership14 Mar 2025
  • 4Statement of changes in beneficial ownership6 Dec 2024
  • 4Statement of changes in beneficial ownership22 Nov 2023
  • 4Statement of changes in beneficial ownership5 Jan 2023

Goodman Sherri(11)

  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES2 Oct
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES7 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES1 Jul
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES22 Jun
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES5 Jan
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES29 Aug 2025
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership14 Mar 2025
  • 4Statement of changes in beneficial ownership6 Dec 2024
  • 4Statement of changes in beneficial ownership22 Nov 2023

GUERRA JAMES(10)

  • 4Statement of changes in beneficial ownership3 Jun 2014
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES21 Jun 2013
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES12 Jun 2013
  • 4Statement of changes in beneficial ownership8 Sep 2011
  • 4Statement of changes in beneficial ownership7 Sep 2011
  • 4/AStatement of changes in beneficial ownership (amendment)22 Jul 2009
  • 4Statement of changes in beneficial ownership16 Jul 2009
  • 4Statement of changes in beneficial ownership12 Sep 2008
  • 4Statement of changes in beneficial ownership7 Dec 2007
  • 3Initial statement of beneficial ownership8 Nov 2007

Townsend Kathleen(10)

  • 4Statement of changes in beneficial ownership31 Mar 2021
  • 4Statement of changes in beneficial ownership4 Dec 2019
  • 4/APRIMARY DOCUMENT28 Aug 2018
  • 4PRIMARY DOCUMENT14 Aug 2018
  • 4PRIMARY DOCUMENT2 Nov 2017
  • 4PRIMARY DOCUMENT24 Nov 2015
  • 4PRIMARY DOCUMENT25 Sep 2015
  • 4Statement of changes in beneficial ownership10 Apr 2015
  • 4Statement of changes in beneficial ownership3 Jun 2014
  • 3Initial statement of beneficial ownership17 Apr 2014

LADD JACK D(8)

  • 4Statement of changes in beneficial ownership7 Mar 2012
  • 4Statement of changes in beneficial ownership3 Oct 2011
  • 4Statement of changes in beneficial ownership20 Sep 2011
  • 4Statement of changes in beneficial ownership7 Dec 2007
  • 4Statement of changes in beneficial ownership9 Nov 2007
  • 4Statement of changes in beneficial ownership29 Dec 2006
  • 3Initial statement of beneficial ownership2 Nov 2006
  • 3/AInitial statement of beneficial ownership (amendment)30 Nov 2006

Zwobota Linda Joan(7)

  • 4PRIMARY DOCUMENT17 Nov 2017
  • 4PRIMARY DOCUMENT2 Nov 2017
  • 4PRIMARY DOCUMENT10 Nov 2016
  • 4PRIMARY DOCUMENT24 Nov 2015
  • 4PRIMARY DOCUMENT25 Sep 2015
  • 4Statement of changes in beneficial ownership10 Apr 2015
  • 3Initial statement of beneficial ownership27 Mar 2015

AWM Investment Company, Inc.(5)

  • 4PRIMARY DOCUMENT8 Jun 2015
  • 4PRIMARY DOCUMENT20 May 2015
  • 4PRIMARY DOCUMENT28 Apr 2015
  • 4PRIMARY DOCUMENT24 Apr 2015
  • 3PRIMARY DOCUMENT10 Feb 2015

MERCHANT CHARLES H(3)

  • 4/APRIMARY DOCUMENT15 Mar 2006
  • 4PRIMARY DOCUMENT15 Mar 2006
  • 3PRIMARY DOCUMENT15 Mar 2006

Holcombe Scott Randall(3)

  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES28 Aug
  • 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES6 Aug
  • 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES7 Aug

Carter Paul G(2)

  • 4PRIMARY DOCUMENT24 Jul 2006
  • 3PRIMARY DOCUMENT21 Jul 2006

MILMOE CORNELIUS J(2)

  • 4Statement of changes in beneficial ownership14 Jun 2006
  • 3Initial statement of beneficial ownership14 Apr 2006

HALLSTROM ERIK A(2)

  • 4Statement of changes in beneficial ownership7 Dec 2007
  • 3Initial statement of beneficial ownership13 Feb 2007

AK Jensen Investment Management Ltd(2)

  • 4Statement of changes in beneficial ownership19 Jan 2023
  • 3Initial statement of beneficial ownership19 Jan 2023

MULHEARN SEAN(1)

  • 3Initial statement of beneficial ownership15 May 2006

Davis Chris(1)

  • 3PRIMARY DOCUMENT30 Jun 2006

Hou Xingping(1)

  • 3Initial statement of beneficial ownership17 Apr 2017

≥5% Ownership

MARXE AUSTIN W & GREENHOUSE DAVID M(7)

  • SC 13G/ALIGHTBRIDGE Corp29 Jan 2015
  • SC 13GLIGHTBRIDGE Corp9 Dec 2014
  • SC 13G/ALIGHTBRIDGE Corp7 Nov 2014
  • SC 13G/ALIGHTBRIDGE Corp8 Oct 2014
  • SC 13G/ALIGHTBRIDGE Corp13 Feb 2014
  • SC 13G/ALIGHTBRIDGE Corp13 Feb 2012
  • SC 13GLIGHTBRIDGE Corp10 Feb 2011

STATE STREET CORP(3)

  • SC 13GLIGHTBRIDGE Corp7 Aug
  • SC 13GLIGHTBRIDGE Corp12 May
  • SC 13GLIGHTBRIDGE Corp9 Feb

AWM Investment Company, Inc.(3)

  • SC 13G/ALIGHTBRIDGE Corp9 Jul 2015
  • SC 13G/ALIGHTBRIDGE Corp9 Jun 2015
  • SC 13G/ALIGHTBRIDGE Corp29 Jan 2015

AK Jensen Investment Management Ltd(3)

  • SC 13G/ALIGHTBRIDGE Corp14 Nov 2025
  • SC 13G/ALIGHTBRIDGE Corp15 May 2025
  • SC 13GLIGHTBRIDGE Corp10 Feb 2023

VANGUARD GROUP INC(2)

  • SC 13G/ALIGHTBRIDGE Corp27 Mar
  • SC 13GLIGHTBRIDGE Corp29 Jul 2025

MILLENNIUM MANAGEMENT LLC(2)

  • SC 13G/ALIGHTBRIDGE Corp18 Jul 2025
  • SC 13GLIGHTBRIDGE Corp20 Jun 2025

GRAE SETH(2)

  • SC 13D/ALIGHTBRIDGE Corp21 Apr 2017
  • SC 13DNovastar Resources Ltd.30 Jun 2006

THUNDER INVESTORS LLC(2)

  • SC 13G/AThorium Power, Ltd17 Jan 2007
  • SC 13G/AThorium Power, Ltd6 Nov 2006

BlackRock, Inc.(2)

  • SC 13G/ALIGHTBRIDGE Corp29 Jul
  • SC 13GLIGHTBRIDGE Corp21 Jan

Davis Chris(1)

  • SC 13DNovastar Resources Ltd.20 Jul 2006

GENERAL INTERNATIONAL HOLDINGS, INC.(1)

  • SC 13DLIGHTBRIDGE Corp21 Apr 2017