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RIOT US​
HomeStock ScreenerDocument SearchChartingWatchlistsRecent Filings

Riot Platforms, Inc.(RIOT US)

$17.52-0.311.74%Ext:$17.47-0.050.27%(Market Closed · 00:55:58 UTC)
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Overview

ProfileEntity Structure

Documents

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Logo
  • Home
  • AI Agent
  • Annotations
  • Files
  • Pricing and plans
  • BlogAboutContact us
    APIMCP
    Terms of servicePrivacy policy

  • Get the full experience

    We save the real magic for signed-in users.

RIOT US​
HomeStock ScreenerDocument SearchChartingWatchlistsRecent Filings

Riot Platforms, Inc.(RIOT US)

$17.52-0.311.74%Ext:$17.47-0.050.27%(Market Closed · 00:55:58 UTC)
Ask AI
Doc SearchProfileEntity StructureFinancialsChartingShort InterestEmployees

Overview

ProfileEntity Structure

Documents

SEC Filings
Categorized
Chronological
By Owner

Financials & Metrics

FinancialsChartingShort InterestEmployees
Chronological
By Owner

Financials & Metrics

FinancialsChartingShort InterestEmployees

SEC Filings by Owner

SEC Filings by Owner

Insider Ownership

MCGONEGAL JEFFREY(46)

  • Form 4Statement of changes in beneficial ownership13 Jan 2023
  • Form 4Statement of changes in beneficial ownership29 Sep 2022
  • Form 4Statement of changes in beneficial ownership14 Sep 2022
  • Form 4Statement of changes in beneficial ownership18 Jul 2022
  • Form 4Statement of changes in beneficial ownership19 May 2022
  • Form 4Statement of changes in beneficial ownership13 Apr 2022
  • Form 4Statement of changes in beneficial ownership18 Jan 2022
  • Form 4Statement of changes in beneficial ownership7 Dec 2021
  • Form 4Statement of changes in beneficial ownership16 Aug 2021
  • Form 4Statement of changes in beneficial ownership3 Jun 2021

Les Jason(43)

  • Form 4Statement of changes in beneficial ownership4 Aug
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership24 Jun
  • Form 4Statement of changes in beneficial ownership13 May
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 5Annual statement of beneficial ownership13 Feb
  • Form 4Statement of changes in beneficial ownership3 Oct 2025
  • Form 4Statement of changes in beneficial ownership1 Oct 2025
  • Form 4Statement of changes in beneficial ownership26 Sep 2025
  • Form 4Statement of changes in beneficial ownership23 Jul 2025

PUSEY GREGORY(34)

  • Form 4Statement of changes in beneficial ownership13 Dec 2012
  • Form 4Statement of changes in beneficial ownership2 Jul 2012
  • Form 4Statement of changes in beneficial ownership2 May 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership18 Dec 2009
  • Form 4Statement of changes in beneficial ownership28 Jan 2009
  • Form 4Statement of changes in beneficial ownership22 Jan 2008
  • Form 4Statement of changes in beneficial ownership28 Jan 2008
  • Form 4Statement of changes in beneficial ownership14 Sep 2007

HEPLER DOUGLAS I(30)

  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership1 Apr 2010
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership4 Jan 2010
  • Form 4Statement of changes in beneficial ownership12 Aug 2009
  • Form 4Statement of changes in beneficial ownership2 Jul 2009
  • Form 4Statement of changes in beneficial ownership7 May 2009
  • Form 4Statement of changes in beneficial ownership30 Apr 2009
  • Form 4Statement of changes in beneficial ownership31 Mar 2009

Donnelly Richard G(26)

  • Form 4Statement of changes in beneficial ownership28 Jan 2009
  • Form 4Statement of changes in beneficial ownership29 Jan 2008
  • Form 4Statement of changes in beneficial ownership22 Jan 2008
  • Form 4Statement of changes in beneficial ownership28 Jan 2008
  • Form 4Statement of changes in beneficial ownership16 Aug 2007
  • Form 4Statement of changes in beneficial ownership27 Apr 2007
  • Form 4PRIMARY DOCUMENT26 Jan 2007
  • Form 4PRIMARY DOCUMENT24 Oct 2006
  • Form 4PRIMARY DOCUMENT22 Aug 2006
  • Form 4PRIMARY DOCUMENT26 Jul 2006

1837 RMB Managers L.L.C.(26)

  • Form 4PRIMARY DOCUMENT19 Jul 2007
  • Form 4PRIMARY DOCUMENT18 Jul 2007
  • Form 4PRIMARY DOCUMENT12 Jul 2007
  • Form 4PRIMARY DOCUMENT11 Jul 2007
  • Form 4PRIMARY DOCUMENT10 Jul 2007
  • Form 4/APRIMARY DOCUMENT10 Jul 2007
  • Form 4PRIMARY DOCUMENT9 Jul 2007
  • Form 4PRIMARY DOCUMENT6 Jul 2007
  • Form 4PRIMARY DOCUMENT3 Jul 2007
  • Form 4PRIMARY DOCUMENT14 Jun 2007

1837 Partners L.P.(25)

  • Form 4PRIMARY DOCUMENT19 Jul 2007
  • Form 4PRIMARY DOCUMENT18 Jul 2007
  • Form 4PRIMARY DOCUMENT12 Jul 2007
  • Form 4PRIMARY DOCUMENT11 Jul 2007
  • Form 4PRIMARY DOCUMENT10 Jul 2007
  • Form 4/APRIMARY DOCUMENT10 Jul 2007
  • Form 4PRIMARY DOCUMENT9 Jul 2007
  • Form 4PRIMARY DOCUMENT6 Jul 2007
  • Form 4PRIMARY DOCUMENT3 Jul 2007
  • Form 4PRIMARY DOCUMENT14 Jun 2007

Werner Ryan D.(23)

  • Form 4Statement of changes in beneficial ownership7 Aug
  • Form 4Statement of changes in beneficial ownership4 Aug
  • Form 4Statement of changes in beneficial ownership9 Jul
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership24 Jun
  • Form 4Statement of changes in beneficial ownership29 May
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership10 Oct 2025
  • Form 4/AStatement of changes in beneficial ownership (amendment)9 Jul 2025
  • Form 4Statement of changes in beneficial ownership9 Jul 2025

1837 Partners QP L.P.(22)

  • Form 4PRIMARY DOCUMENT19 Jul 2007
  • Form 4PRIMARY DOCUMENT18 Jul 2007
  • Form 4PRIMARY DOCUMENT12 Jul 2007
  • Form 4PRIMARY DOCUMENT11 Jul 2007
  • Form 4PRIMARY DOCUMENT10 Jul 2007
  • Form 4/APRIMARY DOCUMENT10 Jul 2007
  • Form 4PRIMARY DOCUMENT9 Jul 2007
  • Form 4PRIMARY DOCUMENT6 Jul 2007
  • Form 4PRIMARY DOCUMENT3 Jul 2007
  • Form 4PRIMARY DOCUMENT14 Jun 2007

Yi Soo Il Benjamin(22)

  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership26 Feb 2024
  • Form 4Statement of changes in beneficial ownership5 Jan 2024
  • Form 4Statement of changes in beneficial ownership17 Jul 2023
  • Form 4Statement of changes in beneficial ownership5 Jun 2023
  • Form 4/AStatement of changes in beneficial ownership (amendment)29 Sep 2022
  • Form 4Statement of changes in beneficial ownership28 Sep 2022
  • Form 4Statement of changes in beneficial ownership15 Jul 2022
  • Form 4Statement of changes in beneficial ownership13 Apr 2022

Jackman William Richard(22)

  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4/AStatement of changes in beneficial ownership (amendment)10 Oct 2025
  • Form 4Statement of changes in beneficial ownership12 Sep 2025
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership26 Feb 2024
  • Form 4Statement of changes in beneficial ownership5 Jan 2024
  • Form 4Statement of changes in beneficial ownership12 Dec 2023
  • Form 4Statement of changes in beneficial ownership17 Jul 2023
  • Form 4Statement of changes in beneficial ownership5 Jun 2023
  • Form 4Statement of changes in beneficial ownership13 Jan 2023

D'Ambrosio Lance Varro(20)

  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4/AStatement of changes in beneficial ownership (amendment)10 Oct 2025
  • Form 4Statement of changes in beneficial ownership15 Jul 2025
  • Form 4Statement of changes in beneficial ownership18 Sep 2024
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership3 Jan 2024
  • Form 4Statement of changes in beneficial ownership19 Jul 2023
  • Form 4Statement of changes in beneficial ownership19 Apr 2023
  • Form 4Statement of changes in beneficial ownership19 Jan 2023
  • Form 4Statement of changes in beneficial ownership1 Nov 2022

1837 Partners Ltd.(19)

  • Form 4PRIMARY DOCUMENT19 Jul 2007
  • Form 4PRIMARY DOCUMENT18 Jul 2007
  • Form 4PRIMARY DOCUMENT12 Jul 2007
  • Form 4PRIMARY DOCUMENT11 Jul 2007
  • Form 4PRIMARY DOCUMENT10 Jul 2007
  • Form 4/APRIMARY DOCUMENT10 Jul 2007
  • Form 4PRIMARY DOCUMENT9 Jul 2007
  • Form 4PRIMARY DOCUMENT6 Jul 2007
  • Form 4PRIMARY DOCUMENT3 Jul 2007
  • Form 4PRIMARY DOCUMENT14 Jun 2007

SCHOETTLER GAIL(18)

  • Form 4Statement of changes in beneficial ownership11 May 2016
  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4Statement of changes in beneficial ownership8 Jan 2014
  • Form 4Statement of changes in beneficial ownership25 Jan 2013
  • Form 4Statement of changes in beneficial ownership13 Dec 2012
  • Form 4Statement of changes in beneficial ownership7 Aug 2012
  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership28 Jan 2009

Marleau Hubert(17)

  • Form 4Statement of changes in beneficial ownership5 Mar 2025
  • Form 4Statement of changes in beneficial ownership15 Aug 2024
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership3 Jan 2024
  • Form 4Statement of changes in beneficial ownership21 Aug 2023
  • Form 4Statement of changes in beneficial ownership4 Apr 2023
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership4 Oct 2022
  • Form 4Statement of changes in beneficial ownership29 Sep 2022
  • Form 4Statement of changes in beneficial ownership8 Apr 2022

Cho Hannah(16)

  • Form 4Statement of changes in beneficial ownership18 Mar 2025
  • Form 4Statement of changes in beneficial ownership20 Nov 2024
  • Form 4Statement of changes in beneficial ownership8 Aug 2024
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership1 Mar 2024
  • Form 4Statement of changes in beneficial ownership3 Jan 2024
  • Form 4Statement of changes in beneficial ownership1 Jun 2023
  • Form 4Statement of changes in beneficial ownership4 Apr 2023
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership4 Oct 2022

WELCH DAVID E(14)

  • Form 4Statement of changes in beneficial ownership11 May 2016
  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4Statement of changes in beneficial ownership8 Jan 2014
  • Form 4Statement of changes in beneficial ownership25 Jan 2013
  • Form 4Statement of changes in beneficial ownership13 Dec 2012
  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership28 Jan 2009
  • Form 4Statement of changes in beneficial ownership25 Jan 2008

Brooks Megan M.(14)

  • Form 4Statement of changes in beneficial ownership15 Jul 2022
  • Form 4Statement of changes in beneficial ownership16 Jun 2022
  • Form 4Statement of changes in beneficial ownership19 May 2022
  • Form 4Statement of changes in beneficial ownership22 Apr 2022
  • Form 4Statement of changes in beneficial ownership13 Apr 2022
  • Form 4Statement of changes in beneficial ownership8 Apr 2022
  • Form 4Statement of changes in beneficial ownership22 Feb 2022
  • Form 4Statement of changes in beneficial ownership18 Jan 2022
  • Form 4Statement of changes in beneficial ownership16 Dec 2021
  • Form 4Statement of changes in beneficial ownership7 Dec 2021

Lundy Stephen T.(13)

  • Form 4Statement of changes in beneficial ownership7 Feb 2017
  • Form 4Statement of changes in beneficial ownership11 May 2016
  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4Statement of changes in beneficial ownership8 Jan 2014
  • Form 4Statement of changes in beneficial ownership25 Jan 2013
  • Form 4Statement of changes in beneficial ownership13 Dec 2012
  • Form 4Statement of changes in beneficial ownership2 Jul 2012
  • Form 4Statement of changes in beneficial ownership18 May 2012
  • Form 4Statement of changes in beneficial ownership2 May 2012
  • Form 4Statement of changes in beneficial ownership12 Jul 2011

Harris Chad Everett(13)

  • Form 4Statement of changes in beneficial ownership3 Feb 2023
  • Form 4Statement of changes in beneficial ownership13 Jan 2023
  • Form 4Statement of changes in beneficial ownership9 Dec 2022
  • Form 4Statement of changes in beneficial ownership29 Sep 2022
  • Form 4Statement of changes in beneficial ownership21 Jul 2022
  • Form 4Statement of changes in beneficial ownership15 Jul 2022
  • Form 4Statement of changes in beneficial ownership13 Apr 2022
  • Form 4Statement of changes in beneficial ownership18 Jan 2022
  • Form 4Statement of changes in beneficial ownership7 Dec 2021
  • Form 4Statement of changes in beneficial ownership14 Oct 2021

HURST ROGER(12)

  • Form 4PRIMARY DOCUMENT10 Aug 2006
  • Form 4PRIMARY DOCUMENT9 Aug 2006
  • Form 4PRIMARY DOCUMENT8 Aug 2006
  • Form 4PRIMARY DOCUMENT2 Aug 2006
  • Form 4PRIMARY DOCUMENT27 Jul 2006
  • Form 4PRIMARY DOCUMENT27 Jun 2006
  • Form 4PRIMARY DOCUMENT19 Jun 2006
  • Form 4PRIMARY DOCUMENT28 Apr 2006
  • Form 4PRIMARY DOCUMENT31 Aug 2004
  • Form 4PRIMARY DOCUMENT22 Jul 2004

Yee Colin M.(12)

  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4/AStatement of changes in beneficial ownership (amendment)10 Oct 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership26 Feb 2024
  • Form 4Statement of changes in beneficial ownership5 Jan 2024
  • Form 4Statement of changes in beneficial ownership17 Jul 2023
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership14 Apr 2023

FAULKNER DARYL(10)

  • Form 4Statement of changes in beneficial ownership11 May 2016
  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4Statement of changes in beneficial ownership8 Jan 2014
  • Form 4Statement of changes in beneficial ownership25 Jan 2013
  • Form 4Statement of changes in beneficial ownership13 Dec 2012
  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership21 May 2009
  • Form 3Initial statement of beneficial ownership27 Jan 2009

LANDON JOHN H(9)

  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4Statement of changes in beneficial ownership8 Jan 2014
  • Form 4Statement of changes in beneficial ownership25 Jan 2013
  • Form 4Statement of changes in beneficial ownership13 Dec 2012
  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership28 Jan 2009
  • Form 3Initial statement of beneficial ownership23 Dec 2008

Hurd Donald R(9)

  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4PRIMARY DOCUMENT17 Apr 2014
  • Form 4OWNERSHIP DOCUMENT8 Jan 2014
  • Form 4OWNERSHIP DOCUMENT25 Jan 2013
  • Form 4OWNERSHIP DOCUMENT13 Dec 2012
  • Form 4OWNERSHIP DOCUMENT24 Sep 2012
  • Form 4OWNERSHIP DOCUMENT21 Sep 2012
  • Form 4OWNERSHIP DOCUMENT24 May 2012
  • Form 3OWNERSHIP DOCUMENT24 May 2012

Roaring Fork Capital SBIC, L.P.(8)

  • Form 4PRIMARY DOCUMENT27 Dec 2006
  • Form 4PRIMARY DOCUMENT7 Dec 2006
  • Form 4PRIMARY DOCUMENT16 Nov 2006
  • Form 4PRIMARY DOCUMENT25 Sep 2006
  • Form 4PRIMARY DOCUMENT22 Aug 2006
  • Form 4PRIMARY DOCUMENT9 May 2006
  • Form 4PRIMARY DOCUMENT28 Nov 2005
  • Form 3PRIMARY DOCUMENT16 May 2005

Merson Michael R(8)

  • Form 4Statement of changes in beneficial ownership3 Jul 2012
  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership11 Aug 2009
  • Form 4Statement of changes in beneficial ownership5 Aug 2009
  • Form 4Statement of changes in beneficial ownership29 Jan 2009
  • Form 3Initial statement of beneficial ownership17 Jul 2008

Theriot Lyle Joseph(8)

  • Form 4Statement of changes in beneficial ownership18 Jul 2022
  • Form 4Statement of changes in beneficial ownership13 Apr 2022
  • Form 4Statement of changes in beneficial ownership18 Jan 2022
  • Form 4Statement of changes in beneficial ownership7 Dec 2021
  • Form 4Statement of changes in beneficial ownership14 Oct 2021
  • Form 4Statement of changes in beneficial ownership16 Aug 2021
  • Form 3Initial statement of beneficial ownership28 May 2021
  • Form 4Statement of changes in beneficial ownership28 May 2021

Howell Stephen Mitchell Jr.(8)

  • Form 4Statement of changes in beneficial ownership14 Aug
  • Form 4Statement of changes in beneficial ownership4 Aug
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4/AStatement of changes in beneficial ownership (amendment)10 Oct 2025
  • Form 4Statement of changes in beneficial ownership3 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 3Initial statement of beneficial ownership11 Jun 2024

Beeghley Michael Martin(7)

  • Form 4Statement of changes in beneficial ownership7 Nov 2017
  • Form 4Statement of changes in beneficial ownership29 Sep 2017
  • Form 4Statement of changes in beneficial ownership23 Aug 2017
  • Form 4Statement of changes in beneficial ownership10 Apr 2017
  • Form 4Statement of changes in beneficial ownership7 Feb 2017
  • Form 4Statement of changes in beneficial ownership2 Dec 2016
  • Form 3Initial statement of beneficial ownership2 Dec 2016

Mancini Remo(7)

  • Form 4Statement of changes in beneficial ownership18 Nov 2020
  • Form 4Statement of changes in beneficial ownership15 May 2020
  • Form 4Statement of changes in beneficial ownership2 Mar 2020
  • Form 4Statement of changes in beneficial ownership18 Dec 2019
  • Form 4Statement of changes in beneficial ownership24 Sep 2018
  • Form 4Statement of changes in beneficial ownership23 Mar 2018
  • Form 3Initial statement of beneficial ownership2 Mar 2018

Evans Susan A(6)

  • Form 4Statement of changes in beneficial ownership11 May 2016
  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4OWNERSHIP DOCUMENT8 Jan 2014
  • Form 4OWNERSHIP DOCUMENT25 Jan 2013
  • Form 3OWNERSHIP DOCUMENT3 Jan 2013
  • Form 4OWNERSHIP DOCUMENT3 Jan 2013

O'Rourke John R. III(6)

  • Form 4Statement of changes in beneficial ownership29 Dec 2017
  • Form 4Statement of changes in beneficial ownership3 Nov 2017
  • Form 4Statement of changes in beneficial ownership29 Sep 2017
  • Form 4Statement of changes in beneficial ownership23 Aug 2017
  • Form 4Statement of changes in beneficial ownership7 Feb 2017
  • Form 3Initial statement of beneficial ownership17 Jan 2017

Chung Jason(6)

  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership26 Feb 2024
  • Form 4/AStatement of changes in beneficial ownership (amendment)1 Feb 2024
  • Form 4Statement of changes in beneficial ownership5 Jan 2024
  • Form 3Initial statement of beneficial ownership2 Aug 2023

RATAIN MARK J(5)

  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership28 Jan 2009
  • Form 3Initial statement of beneficial ownership7 Apr 2008

Williams Stephen Alaric(5)

  • Form 4Statement of changes in beneficial ownership11 May 2016
  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4OWNERSHIP DOCUMENT8 Jan 2014
  • Form 4OWNERSHIP DOCUMENT2 May 2013
  • Form 3OWNERSHIP DOCUMENT2 May 2013

Leverton Jaime(5)

  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership15 Jul 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership25 Feb 2025
  • Form 3Initial statement of beneficial ownership24 Feb 2025

Mouton Douglas(5)

  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership15 Jul 2025
  • Form 4Statement of changes in beneficial ownership20 Mar 2025
  • Form 4Statement of changes in beneficial ownership25 Feb 2025
  • Form 3Initial statement of beneficial ownership24 Feb 2025

Gibbs Jonathan(5)

  • Form 4Statement of changes in beneficial ownership14 Apr
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership3 Dec 2025
  • Form 4Statement of changes in beneficial ownership12 Jun 2025
  • Form 3Initial statement of beneficial ownership11 Jun 2025

Talon Opportunity Managers, L.L.C.(4)

  • Form 4PRIMARY DOCUMENT5 Apr 2006
  • Form 4PRIMARY DOCUMENT22 Dec 2005
  • Form 4PRIMARY DOCUMENT9 May 2005
  • Form 3PRIMARY DOCUMENT28 Dec 2004

Talon Opportunity Partners, L.P.(4)

  • Form 4PRIMARY DOCUMENT5 Apr 2006
  • Form 4PRIMARY DOCUMENT22 Dec 2005
  • Form 4PRIMARY DOCUMENT9 May 2005
  • Form 3PRIMARY DOCUMENT28 Dec 2004

Bennett Gregory L(4)

  • Form 4Statement of changes in beneficial ownership12 Jul 2011
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 3Initial statement of beneficial ownership21 Jan 2010

Honig Barry C(4)

  • Form 4Statement of changes in beneficial ownership4 Jan 2017
  • Form 4Statement of changes in beneficial ownership2 Dec 2016
  • Form 4Statement of changes in beneficial ownership8 Nov 2016
  • Form 3Initial statement of beneficial ownership13 Sep 2016

KAPLAN ANDREW J(4)

  • Form 4Statement of changes in beneficial ownership24 Sep 2018
  • Form 4Statement of changes in beneficial ownership23 Mar 2018
  • Form 4Statement of changes in beneficial ownership23 Aug 2017
  • Form 3Initial statement of beneficial ownership8 May 2017

Ensey Christopher(4)

  • Form 4Statement of changes in beneficial ownership24 Sep 2018
  • Form 4/APRIMARY DOCUMENT15 Mar 2019
  • Form 3Initial statement of beneficial ownership13 Feb 2018
  • Form 3/APRIMARY DOCUMENT15 Mar 2019

Turner Michael John(4)

  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership15 Jul 2025
  • Form 4Statement of changes in beneficial ownership25 Feb 2025
  • Form 3Initial statement of beneficial ownership24 Feb 2025

PEIERLS E JEFFREY(3)

  • Form 4Statement of changes in beneficial ownership18 Apr 2007
  • Form 4PRIMARY DOCUMENT28 Nov 2005
  • Form 3PRIMARY DOCUMENT16 May 2005

CASPARI ROBERT FREDERICK(3)

  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership19 May 2009
  • Form 3Initial statement of beneficial ownership17 Feb 2009

LANDMANN CATHY(3)

  • Form 4PRIMARY DOCUMENT1 Oct 2003
  • Form 4PRIMARY DOCUMENT18 Jun 2003
  • Form 3Initial statement of beneficial ownership1 Oct 2002

Peierls Foundation, Inc.(3)

  • Form 4Statement of changes in beneficial ownership18 Apr 2007
  • Form 4PRIMARY DOCUMENT28 Nov 2005
  • Form 3PRIMARY DOCUMENT16 May 2005

Peierls Brian E(3)

  • Form 4Statement of changes in beneficial ownership18 Apr 2007
  • Form 4PRIMARY DOCUMENT28 Nov 2005
  • Form 3PRIMARY DOCUMENT16 May 2005

Colgin Mark(3)

  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 3Initial statement of beneficial ownership2 Mar 2009

Miller Erik(3)

  • Form 4Statement of changes in beneficial ownership2 May 2012
  • Form 4Statement of changes in beneficial ownership20 Jan 2011
  • Form 3Initial statement of beneficial ownership20 Jan 2011

Dai Mike(3)

  • Form 4Statement of changes in beneficial ownership23 Aug 2017
  • Form 4Statement of changes in beneficial ownership7 Feb 2017
  • Form 3Initial statement of beneficial ownership17 Jan 2017

Northern Data AG(3)

  • Form 4Statement of changes in beneficial ownership7 Sep 2021
  • Form 4Statement of changes in beneficial ownership3 Sep 2021
  • Form 3Initial statement of beneficial ownership27 May 2021

ROUTH MICHAEL W(2)

  • Form 4Statement of changes in beneficial ownership2 Dec 2016
  • Form 3Initial statement of beneficial ownership2 Dec 2016

Whitcomb Richard J.(2)

  • Form 4Statement of changes in beneficial ownership23 Sep 2016
  • Form 3Initial statement of beneficial ownership23 Sep 2016

Chang Robby Sai Kit(2)

  • Form 4Statement of changes in beneficial ownership24 Sep 2018
  • Form 3Initial statement of beneficial ownership7 Mar 2018

LIEBER HOWARD(1)

  • Form 3PRIMARY DOCUMENT27 Jun 2003

So Eric(1)

  • Form 3Initial statement of beneficial ownership30 Oct 2017

Robertsen Daniel Stefan(1)

  • Form 3Initial statement of beneficial ownership31 Jan 2018

≥5% Ownership

Riot Platforms, Inc.(23)

  • SC 13D/ABitfarms Ltd18 Aug 2025
  • SC 13D/ABitfarms Ltd8 Aug 2025
  • SC 13D/ABitfarms Ltd23 Jul 2025
  • SC 13D/ABitfarms Ltd16 Jul 2025
  • SC 13D/ABitfarms Ltd8 Jul 2025
  • SC 13D/ABitfarms Ltd1 Jul 2025
  • SC 13D/ABitfarms Ltd20 Jun 2025
  • SC 13D/ABitfarms Ltd6 Jun 2025
  • SC 13D/ABitfarms Ltd9 Apr 2025
  • SC 13D/ABitfarms Ltd23 Sep 2024

Honig Barry C(11)

  • SC 13D/ARiot Blockchain, Inc.19 Apr 2018
  • SC 13D/ARiot Blockchain, Inc.18 Apr 2018
  • SC 13D/ARiot Blockchain, Inc.13 Feb 2018
  • SC 13D/ABioptix, Inc.5 Jan 2017
  • SC 13D/ABioptix, Inc.1 Dec 2016
  • SC 13D/AVenaxis, Inc.9 Nov 2016
  • SC 13D/AVenaxis, Inc.14 Sep 2016
  • SC 13D/AVenaxis, Inc.13 Sep 2016
  • SC 13DVenaxis, Inc.8 Sep 2016
  • SC 13G/AVenaxis, Inc.16 May 2016

PERKINS CAPITAL MANAGEMENT INC(10)

  • SC 13G/AVenaxis, Inc.1 Feb 2016
  • SC 13G/AVenaxis, Inc.28 Jan 2015
  • SC 13G/AVenaxis, Inc.7 Feb 2014
  • SC 13G/AVenaxis, Inc.11 Jul 2013
  • SC 13G/AVenaxis, Inc.10 Jul 2013
  • SC 13G/AVenaxis, Inc.1 Feb 2013
  • SC 13G/AAspenBio Pharma, Inc.12 Jul 2012
  • SC 13G/AAspenBio Pharma, Inc.9 Apr 2012
  • SC 13G/AAspenBio Pharma, Inc.3 Feb 2012
  • SC 13GAspenBio Pharma, Inc.11 Jan 2012

DeFrancesco Catherine Johanna(9)

  • SC 13D/ABioptix, Inc.10 Jan 2017
  • SC 13D/ABioptix, Inc.13 Dec 2016
  • SC 13D/ABioptix, Inc.9 Dec 2016
  • SC 13D/ABioptix, Inc.5 Dec 2016
  • SC 13D/AVenaxis, Inc.25 Oct 2016
  • SC 13D/AVenaxis, Inc.20 Oct 2016
  • SC 13D/AVenaxis, Inc.20 Sep 2016
  • SC 13D/AVenaxis, Inc.14 Sep 2016
  • SC 13DVenaxis, Inc.12 Sep 2016

VANGUARD GROUP INC(5)

  • SC 13G/ARiot Platforms, Inc.27 Mar
  • SC 13G/ARiot Platforms, Inc.13 Feb 2024
  • SC 13G/ARiot Platforms, Inc.10 Jul 2023
  • SC 13G/ARiot Platforms, Inc.9 Feb 2023
  • SC 13GRiot Blockchain, Inc.10 Feb 2022

TALON ASSET MANAGEMENT, LLC(5)

  • SC 13D/AAspenBio Pharma, Inc.6 Apr 2006
  • SC 13D/AAspenBio Pharma, Inc.14 Feb 2006
  • SC 13DAspenbio Inc13 May 2005
  • SC 13G/AAspenbio Inc11 Feb 2005
  • SC 13GAspenbio Inc27 Aug 2004

Peierls Foundation, Inc.(5)

  • SC 13G/AAspenBio Pharma, Inc.5 Jul 2012
  • SC 13G/AAspenBio Pharma, Inc.16 Feb 2010
  • SC 13G/AAspenBio Pharma, Inc.25 Feb 2008
  • SC 13G/AAspenBio Pharma, Inc.28 Nov 2005
  • SC 13GAspenbio Inc16 May 2005

RMB Capital Management, LLC(5)

  • SC 13G/AAspenBio Pharma, Inc.9 Feb 2011
  • SC 13G/AAspenBio Pharma, Inc.5 Feb 2010
  • SC 13G/AAspenBio Pharma, Inc.12 Feb 2009
  • SC 13GAspenBio Pharma, Inc.14 Feb 2008
  • SC 13GAspenBio Pharma, Inc.30 Jun 2006

FMR LLC(4)

  • SC 13G/ARiot Platforms, Inc.6 Aug
  • SC 13GRiot Platforms, Inc.6 May
  • SC 13G/ARiot Platforms, Inc.5 Feb
  • SC 13GRiot Platforms, Inc.5 Nov 2025

WILLIAM HARRIS INVESTORS INC(4)

  • SC 13G/AAspenBio Pharma, Inc.13 Feb 2008
  • SC 13G/AAspenBio Pharma, Inc.14 Feb 2007
  • SC 13G/AAspenBio Pharma, Inc.12 Apr 2006
  • SC 13GAspenBio Pharma, Inc.11 Apr 2006

Corriente Advisors, LLC(4)

  • SC 13G/AAspenBio Pharma, Inc.16 Feb 2010
  • SC 13G/AAspenBio Pharma, Inc.17 Feb 2009
  • SC 13G/AAspenBio Pharma, Inc.13 Feb 2008
  • SC 13GAspenBio Pharma, Inc.29 Nov 2007

SUSQUEHANNA SECURITIES, LLC(4)

  • SC 13G/ARiot Blockchain, Inc.14 Feb 2022
  • SC 13GRiot Blockchain, Inc.16 Feb 2021
  • SC 13G/ARiot Blockchain, Inc.14 Feb 2019
  • SC 13GRiot Blockchain, Inc.9 Feb 2018

JANE STREET GROUP, LLC(4)

  • SC 13G/ARiot Platforms, Inc.6 Nov
  • SC 13GRiot Platforms, Inc.11 May
  • SC 13G/ARiot Platforms, Inc.4 Feb
  • SC 13GRiot Platforms, Inc.20 Nov 2025

MGT CAPITAL INVESTMENTS INC(3)

  • SC 13D/AVenaxis, Inc.2 Sep 2016
  • SC 13D/AVenaxis, Inc.19 May 2016
  • SC 13DVenaxis, Inc.18 May 2016

Roaring Fork Capital SBIC, L.P.(3)

  • SC 13G/AAspenBio Pharma, Inc.13 Feb 2008
  • SC 13G/AAspenBio Pharma, Inc.2 Feb 2007
  • SC 13GAspenbio Inc16 May 2005

SOPHROSYNE CAPITAL LLC(3)

  • SC 13G/AVenaxis, Inc.29 Jan 2014
  • SC 13G/AAspenBio Pharma, Inc.27 Nov 2012
  • SC 13GAspenBio Pharma, Inc.9 Oct 2012

CALC III LP(3)

  • SC 13GRiot Blockchain, Inc.18 Apr 2019
  • SC 13G/ARiot Blockchain, Inc.14 Feb 2019
  • SC 13GRiot Blockchain, Inc.14 Feb 2018

Remeditex Ventures LLC(3)

  • SC 13G/ABioptix, Inc.5 Apr 2017
  • SC 13G/AVenaxis, Inc.1 Nov 2016
  • SC 13GVenaxis, Inc.19 Sep 2016

Northurst Inc.(3)

  • SC 13G/ARiot Blockchain, Inc.31 Jan 2019
  • SC 13G/ARiot Blockchain, Inc.15 Feb 2018
  • SC 13GBioptix, Inc.4 Aug 2017

Northern Data AG(3)

  • SC 13G/ARiot Blockchain, Inc.22 Sep 2021
  • SC 13G/ARiot Blockchain, Inc.7 Sep 2021
  • SC 13GRiot Blockchain, Inc.27 May 2021

GOLDMAN SACHS GROUP INC(2)

  • SC 13G/ARiot Platforms, Inc.14 Aug 2025
  • SC 13GRiot Platforms, Inc.12 May 2025

PEIERLS E JEFFREY(2)

  • SC 13G/ARiot Blockchain, Inc.9 Feb 2018
  • SC 13GBioptix, Inc.10 Feb 2017

HONIG JONATHAN(2)

  • SC 13G/ARiot Blockchain, Inc.13 Feb 2018
  • SC 13GRiot Blockchain, Inc.11 Oct 2017

Flynn James E(2)

  • SC 13G/AVenaxis, Inc.14 Feb 2014
  • SC 13GVenaxis, Inc.30 May 2013

BlackRock Inc.(2)

  • SC 13G/ARiot Platforms, Inc.26 Jan 2024
  • SC 13GRiot Platforms, Inc.3 Feb 2023

Hudson Bay Capital Management LP(2)

  • SC 13G/ARiot Blockchain, Inc.31 Jan 2019
  • SC 13GRiot Blockchain, Inc.2 Feb 2018

SABBY MANAGEMENT, LLC(2)

  • SC 13G/AVenaxis, Inc.28 Jan 2013
  • SC 13GAspenBio Pharma, Inc.9 Jan 2012

Groussman Mark(2)

  • SC 13G/ARiot Blockchain, Inc.15 Feb 2018
  • SC 13GRiot Blockchain, Inc.13 Oct 2017

MARATHON CAPITAL MANAGEMENT(1)

  • SC 13GAspenBio Pharma, Inc.25 Jan 2007

LIEBER HOWARD(1)

  • SC 13DAspenbio Inc27 Jun 2003

Citadel Securities GP LLC(1)

  • SC 13G/ARiot Blockchain, Inc.14 Feb 2020

VANGUARD PORTFOLIO MANAGEMENT LLC(1)

  • SC 13GRiot Platforms, Inc.29 Apr

Insider Ownership

MCGONEGAL JEFFREY(46)

  • Form 4Statement of changes in beneficial ownership13 Jan 2023
  • Form 4Statement of changes in beneficial ownership29 Sep 2022
  • Form 4Statement of changes in beneficial ownership14 Sep 2022
  • Form 4Statement of changes in beneficial ownership18 Jul 2022
  • Form 4Statement of changes in beneficial ownership19 May 2022
  • Form 4Statement of changes in beneficial ownership13 Apr 2022
  • Form 4Statement of changes in beneficial ownership18 Jan 2022
  • Form 4Statement of changes in beneficial ownership7 Dec 2021
  • Form 4Statement of changes in beneficial ownership16 Aug 2021
  • Form 4Statement of changes in beneficial ownership3 Jun 2021

Les Jason(43)

  • Form 4Statement of changes in beneficial ownership4 Aug
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership24 Jun
  • Form 4Statement of changes in beneficial ownership13 May
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 5Annual statement of beneficial ownership13 Feb
  • Form 4Statement of changes in beneficial ownership3 Oct 2025
  • Form 4Statement of changes in beneficial ownership1 Oct 2025
  • Form 4Statement of changes in beneficial ownership26 Sep 2025
  • Form 4Statement of changes in beneficial ownership23 Jul 2025

PUSEY GREGORY(34)

  • Form 4Statement of changes in beneficial ownership13 Dec 2012
  • Form 4Statement of changes in beneficial ownership2 Jul 2012
  • Form 4Statement of changes in beneficial ownership2 May 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership18 Dec 2009
  • Form 4Statement of changes in beneficial ownership28 Jan 2009
  • Form 4Statement of changes in beneficial ownership22 Jan 2008
  • Form 4Statement of changes in beneficial ownership28 Jan 2008
  • Form 4Statement of changes in beneficial ownership14 Sep 2007

HEPLER DOUGLAS I(30)

  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership1 Apr 2010
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership4 Jan 2010
  • Form 4Statement of changes in beneficial ownership12 Aug 2009
  • Form 4Statement of changes in beneficial ownership2 Jul 2009
  • Form 4Statement of changes in beneficial ownership7 May 2009
  • Form 4Statement of changes in beneficial ownership30 Apr 2009
  • Form 4Statement of changes in beneficial ownership31 Mar 2009

Donnelly Richard G(26)

  • Form 4Statement of changes in beneficial ownership28 Jan 2009
  • Form 4Statement of changes in beneficial ownership29 Jan 2008
  • Form 4Statement of changes in beneficial ownership22 Jan 2008
  • Form 4Statement of changes in beneficial ownership28 Jan 2008
  • Form 4Statement of changes in beneficial ownership16 Aug 2007
  • Form 4Statement of changes in beneficial ownership27 Apr 2007
  • Form 4PRIMARY DOCUMENT26 Jan 2007
  • Form 4PRIMARY DOCUMENT24 Oct 2006
  • Form 4PRIMARY DOCUMENT22 Aug 2006
  • Form 4PRIMARY DOCUMENT26 Jul 2006

1837 RMB Managers L.L.C.(26)

  • Form 4PRIMARY DOCUMENT19 Jul 2007
  • Form 4PRIMARY DOCUMENT18 Jul 2007
  • Form 4PRIMARY DOCUMENT12 Jul 2007
  • Form 4PRIMARY DOCUMENT11 Jul 2007
  • Form 4PRIMARY DOCUMENT10 Jul 2007
  • Form 4/APRIMARY DOCUMENT10 Jul 2007
  • Form 4PRIMARY DOCUMENT9 Jul 2007
  • Form 4PRIMARY DOCUMENT6 Jul 2007
  • Form 4PRIMARY DOCUMENT3 Jul 2007
  • Form 4PRIMARY DOCUMENT14 Jun 2007

1837 Partners L.P.(25)

  • Form 4PRIMARY DOCUMENT19 Jul 2007
  • Form 4PRIMARY DOCUMENT18 Jul 2007
  • Form 4PRIMARY DOCUMENT12 Jul 2007
  • Form 4PRIMARY DOCUMENT11 Jul 2007
  • Form 4PRIMARY DOCUMENT10 Jul 2007
  • Form 4/APRIMARY DOCUMENT10 Jul 2007
  • Form 4PRIMARY DOCUMENT9 Jul 2007
  • Form 4PRIMARY DOCUMENT6 Jul 2007
  • Form 4PRIMARY DOCUMENT3 Jul 2007
  • Form 4PRIMARY DOCUMENT14 Jun 2007

Werner Ryan D.(23)

  • Form 4Statement of changes in beneficial ownership7 Aug
  • Form 4Statement of changes in beneficial ownership4 Aug
  • Form 4Statement of changes in beneficial ownership9 Jul
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership24 Jun
  • Form 4Statement of changes in beneficial ownership29 May
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership10 Oct 2025
  • Form 4/AStatement of changes in beneficial ownership (amendment)9 Jul 2025
  • Form 4Statement of changes in beneficial ownership9 Jul 2025

1837 Partners QP L.P.(22)

  • Form 4PRIMARY DOCUMENT19 Jul 2007
  • Form 4PRIMARY DOCUMENT18 Jul 2007
  • Form 4PRIMARY DOCUMENT12 Jul 2007
  • Form 4PRIMARY DOCUMENT11 Jul 2007
  • Form 4PRIMARY DOCUMENT10 Jul 2007
  • Form 4/APRIMARY DOCUMENT10 Jul 2007
  • Form 4PRIMARY DOCUMENT9 Jul 2007
  • Form 4PRIMARY DOCUMENT6 Jul 2007
  • Form 4PRIMARY DOCUMENT3 Jul 2007
  • Form 4PRIMARY DOCUMENT14 Jun 2007

Yi Soo Il Benjamin(22)

  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership26 Feb 2024
  • Form 4Statement of changes in beneficial ownership5 Jan 2024
  • Form 4Statement of changes in beneficial ownership17 Jul 2023
  • Form 4Statement of changes in beneficial ownership5 Jun 2023
  • Form 4/AStatement of changes in beneficial ownership (amendment)29 Sep 2022
  • Form 4Statement of changes in beneficial ownership28 Sep 2022
  • Form 4Statement of changes in beneficial ownership15 Jul 2022
  • Form 4Statement of changes in beneficial ownership13 Apr 2022

Jackman William Richard(22)

  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4/AStatement of changes in beneficial ownership (amendment)10 Oct 2025
  • Form 4Statement of changes in beneficial ownership12 Sep 2025
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership26 Feb 2024
  • Form 4Statement of changes in beneficial ownership5 Jan 2024
  • Form 4Statement of changes in beneficial ownership12 Dec 2023
  • Form 4Statement of changes in beneficial ownership17 Jul 2023
  • Form 4Statement of changes in beneficial ownership5 Jun 2023
  • Form 4Statement of changes in beneficial ownership13 Jan 2023

D'Ambrosio Lance Varro(20)

  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4/AStatement of changes in beneficial ownership (amendment)10 Oct 2025
  • Form 4Statement of changes in beneficial ownership15 Jul 2025
  • Form 4Statement of changes in beneficial ownership18 Sep 2024
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership3 Jan 2024
  • Form 4Statement of changes in beneficial ownership19 Jul 2023
  • Form 4Statement of changes in beneficial ownership19 Apr 2023
  • Form 4Statement of changes in beneficial ownership19 Jan 2023
  • Form 4Statement of changes in beneficial ownership1 Nov 2022

1837 Partners Ltd.(19)

  • Form 4PRIMARY DOCUMENT19 Jul 2007
  • Form 4PRIMARY DOCUMENT18 Jul 2007
  • Form 4PRIMARY DOCUMENT12 Jul 2007
  • Form 4PRIMARY DOCUMENT11 Jul 2007
  • Form 4PRIMARY DOCUMENT10 Jul 2007
  • Form 4/APRIMARY DOCUMENT10 Jul 2007
  • Form 4PRIMARY DOCUMENT9 Jul 2007
  • Form 4PRIMARY DOCUMENT6 Jul 2007
  • Form 4PRIMARY DOCUMENT3 Jul 2007
  • Form 4PRIMARY DOCUMENT14 Jun 2007

SCHOETTLER GAIL(18)

  • Form 4Statement of changes in beneficial ownership11 May 2016
  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4Statement of changes in beneficial ownership8 Jan 2014
  • Form 4Statement of changes in beneficial ownership25 Jan 2013
  • Form 4Statement of changes in beneficial ownership13 Dec 2012
  • Form 4Statement of changes in beneficial ownership7 Aug 2012
  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership28 Jan 2009

Marleau Hubert(17)

  • Form 4Statement of changes in beneficial ownership5 Mar 2025
  • Form 4Statement of changes in beneficial ownership15 Aug 2024
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership3 Jan 2024
  • Form 4Statement of changes in beneficial ownership21 Aug 2023
  • Form 4Statement of changes in beneficial ownership4 Apr 2023
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership4 Oct 2022
  • Form 4Statement of changes in beneficial ownership29 Sep 2022
  • Form 4Statement of changes in beneficial ownership8 Apr 2022

Cho Hannah(16)

  • Form 4Statement of changes in beneficial ownership18 Mar 2025
  • Form 4Statement of changes in beneficial ownership20 Nov 2024
  • Form 4Statement of changes in beneficial ownership8 Aug 2024
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership1 Mar 2024
  • Form 4Statement of changes in beneficial ownership3 Jan 2024
  • Form 4Statement of changes in beneficial ownership1 Jun 2023
  • Form 4Statement of changes in beneficial ownership4 Apr 2023
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership4 Oct 2022

WELCH DAVID E(14)

  • Form 4Statement of changes in beneficial ownership11 May 2016
  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4Statement of changes in beneficial ownership8 Jan 2014
  • Form 4Statement of changes in beneficial ownership25 Jan 2013
  • Form 4Statement of changes in beneficial ownership13 Dec 2012
  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership28 Jan 2009
  • Form 4Statement of changes in beneficial ownership25 Jan 2008

Brooks Megan M.(14)

  • Form 4Statement of changes in beneficial ownership15 Jul 2022
  • Form 4Statement of changes in beneficial ownership16 Jun 2022
  • Form 4Statement of changes in beneficial ownership19 May 2022
  • Form 4Statement of changes in beneficial ownership22 Apr 2022
  • Form 4Statement of changes in beneficial ownership13 Apr 2022
  • Form 4Statement of changes in beneficial ownership8 Apr 2022
  • Form 4Statement of changes in beneficial ownership22 Feb 2022
  • Form 4Statement of changes in beneficial ownership18 Jan 2022
  • Form 4Statement of changes in beneficial ownership16 Dec 2021
  • Form 4Statement of changes in beneficial ownership7 Dec 2021

Lundy Stephen T.(13)

  • Form 4Statement of changes in beneficial ownership7 Feb 2017
  • Form 4Statement of changes in beneficial ownership11 May 2016
  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4Statement of changes in beneficial ownership8 Jan 2014
  • Form 4Statement of changes in beneficial ownership25 Jan 2013
  • Form 4Statement of changes in beneficial ownership13 Dec 2012
  • Form 4Statement of changes in beneficial ownership2 Jul 2012
  • Form 4Statement of changes in beneficial ownership18 May 2012
  • Form 4Statement of changes in beneficial ownership2 May 2012
  • Form 4Statement of changes in beneficial ownership12 Jul 2011

Harris Chad Everett(13)

  • Form 4Statement of changes in beneficial ownership3 Feb 2023
  • Form 4Statement of changes in beneficial ownership13 Jan 2023
  • Form 4Statement of changes in beneficial ownership9 Dec 2022
  • Form 4Statement of changes in beneficial ownership29 Sep 2022
  • Form 4Statement of changes in beneficial ownership21 Jul 2022
  • Form 4Statement of changes in beneficial ownership15 Jul 2022
  • Form 4Statement of changes in beneficial ownership13 Apr 2022
  • Form 4Statement of changes in beneficial ownership18 Jan 2022
  • Form 4Statement of changes in beneficial ownership7 Dec 2021
  • Form 4Statement of changes in beneficial ownership14 Oct 2021

HURST ROGER(12)

  • Form 4PRIMARY DOCUMENT10 Aug 2006
  • Form 4PRIMARY DOCUMENT9 Aug 2006
  • Form 4PRIMARY DOCUMENT8 Aug 2006
  • Form 4PRIMARY DOCUMENT2 Aug 2006
  • Form 4PRIMARY DOCUMENT27 Jul 2006
  • Form 4PRIMARY DOCUMENT27 Jun 2006
  • Form 4PRIMARY DOCUMENT19 Jun 2006
  • Form 4PRIMARY DOCUMENT28 Apr 2006
  • Form 4PRIMARY DOCUMENT31 Aug 2004
  • Form 4PRIMARY DOCUMENT22 Jul 2004

Yee Colin M.(12)

  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4/AStatement of changes in beneficial ownership (amendment)10 Oct 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership26 Feb 2024
  • Form 4Statement of changes in beneficial ownership5 Jan 2024
  • Form 4Statement of changes in beneficial ownership17 Jul 2023
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership14 Apr 2023

FAULKNER DARYL(10)

  • Form 4Statement of changes in beneficial ownership11 May 2016
  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4Statement of changes in beneficial ownership8 Jan 2014
  • Form 4Statement of changes in beneficial ownership25 Jan 2013
  • Form 4Statement of changes in beneficial ownership13 Dec 2012
  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership21 May 2009
  • Form 3Initial statement of beneficial ownership27 Jan 2009

LANDON JOHN H(9)

  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4Statement of changes in beneficial ownership8 Jan 2014
  • Form 4Statement of changes in beneficial ownership25 Jan 2013
  • Form 4Statement of changes in beneficial ownership13 Dec 2012
  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership28 Jan 2009
  • Form 3Initial statement of beneficial ownership23 Dec 2008

Hurd Donald R(9)

  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4PRIMARY DOCUMENT17 Apr 2014
  • Form 4OWNERSHIP DOCUMENT8 Jan 2014
  • Form 4OWNERSHIP DOCUMENT25 Jan 2013
  • Form 4OWNERSHIP DOCUMENT13 Dec 2012
  • Form 4OWNERSHIP DOCUMENT24 Sep 2012
  • Form 4OWNERSHIP DOCUMENT21 Sep 2012
  • Form 4OWNERSHIP DOCUMENT24 May 2012
  • Form 3OWNERSHIP DOCUMENT24 May 2012

Roaring Fork Capital SBIC, L.P.(8)

  • Form 4PRIMARY DOCUMENT27 Dec 2006
  • Form 4PRIMARY DOCUMENT7 Dec 2006
  • Form 4PRIMARY DOCUMENT16 Nov 2006
  • Form 4PRIMARY DOCUMENT25 Sep 2006
  • Form 4PRIMARY DOCUMENT22 Aug 2006
  • Form 4PRIMARY DOCUMENT9 May 2006
  • Form 4PRIMARY DOCUMENT28 Nov 2005
  • Form 3PRIMARY DOCUMENT16 May 2005

Merson Michael R(8)

  • Form 4Statement of changes in beneficial ownership3 Jul 2012
  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership11 Aug 2009
  • Form 4Statement of changes in beneficial ownership5 Aug 2009
  • Form 4Statement of changes in beneficial ownership29 Jan 2009
  • Form 3Initial statement of beneficial ownership17 Jul 2008

Theriot Lyle Joseph(8)

  • Form 4Statement of changes in beneficial ownership18 Jul 2022
  • Form 4Statement of changes in beneficial ownership13 Apr 2022
  • Form 4Statement of changes in beneficial ownership18 Jan 2022
  • Form 4Statement of changes in beneficial ownership7 Dec 2021
  • Form 4Statement of changes in beneficial ownership14 Oct 2021
  • Form 4Statement of changes in beneficial ownership16 Aug 2021
  • Form 3Initial statement of beneficial ownership28 May 2021
  • Form 4Statement of changes in beneficial ownership28 May 2021

Howell Stephen Mitchell Jr.(8)

  • Form 4Statement of changes in beneficial ownership14 Aug
  • Form 4Statement of changes in beneficial ownership4 Aug
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4/AStatement of changes in beneficial ownership (amendment)10 Oct 2025
  • Form 4Statement of changes in beneficial ownership3 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 3Initial statement of beneficial ownership11 Jun 2024

Beeghley Michael Martin(7)

  • Form 4Statement of changes in beneficial ownership7 Nov 2017
  • Form 4Statement of changes in beneficial ownership29 Sep 2017
  • Form 4Statement of changes in beneficial ownership23 Aug 2017
  • Form 4Statement of changes in beneficial ownership10 Apr 2017
  • Form 4Statement of changes in beneficial ownership7 Feb 2017
  • Form 4Statement of changes in beneficial ownership2 Dec 2016
  • Form 3Initial statement of beneficial ownership2 Dec 2016

Mancini Remo(7)

  • Form 4Statement of changes in beneficial ownership18 Nov 2020
  • Form 4Statement of changes in beneficial ownership15 May 2020
  • Form 4Statement of changes in beneficial ownership2 Mar 2020
  • Form 4Statement of changes in beneficial ownership18 Dec 2019
  • Form 4Statement of changes in beneficial ownership24 Sep 2018
  • Form 4Statement of changes in beneficial ownership23 Mar 2018
  • Form 3Initial statement of beneficial ownership2 Mar 2018

Evans Susan A(6)

  • Form 4Statement of changes in beneficial ownership11 May 2016
  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4OWNERSHIP DOCUMENT8 Jan 2014
  • Form 4OWNERSHIP DOCUMENT25 Jan 2013
  • Form 3OWNERSHIP DOCUMENT3 Jan 2013
  • Form 4OWNERSHIP DOCUMENT3 Jan 2013

O'Rourke John R. III(6)

  • Form 4Statement of changes in beneficial ownership29 Dec 2017
  • Form 4Statement of changes in beneficial ownership3 Nov 2017
  • Form 4Statement of changes in beneficial ownership29 Sep 2017
  • Form 4Statement of changes in beneficial ownership23 Aug 2017
  • Form 4Statement of changes in beneficial ownership7 Feb 2017
  • Form 3Initial statement of beneficial ownership17 Jan 2017

Chung Jason(6)

  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership26 Feb 2024
  • Form 4/AStatement of changes in beneficial ownership (amendment)1 Feb 2024
  • Form 4Statement of changes in beneficial ownership5 Jan 2024
  • Form 3Initial statement of beneficial ownership2 Aug 2023

RATAIN MARK J(5)

  • Form 4Statement of changes in beneficial ownership4 Apr 2012
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership28 Jan 2009
  • Form 3Initial statement of beneficial ownership7 Apr 2008

Williams Stephen Alaric(5)

  • Form 4Statement of changes in beneficial ownership11 May 2016
  • Form 4Statement of changes in beneficial ownership14 Jan 2015
  • Form 4OWNERSHIP DOCUMENT8 Jan 2014
  • Form 4OWNERSHIP DOCUMENT2 May 2013
  • Form 3OWNERSHIP DOCUMENT2 May 2013

Leverton Jaime(5)

  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership15 Jul 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership25 Feb 2025
  • Form 3Initial statement of beneficial ownership24 Feb 2025

Mouton Douglas(5)

  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership15 Jul 2025
  • Form 4Statement of changes in beneficial ownership20 Mar 2025
  • Form 4Statement of changes in beneficial ownership25 Feb 2025
  • Form 3Initial statement of beneficial ownership24 Feb 2025

Gibbs Jonathan(5)

  • Form 4Statement of changes in beneficial ownership14 Apr
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership3 Dec 2025
  • Form 4Statement of changes in beneficial ownership12 Jun 2025
  • Form 3Initial statement of beneficial ownership11 Jun 2025

Talon Opportunity Managers, L.L.C.(4)

  • Form 4PRIMARY DOCUMENT5 Apr 2006
  • Form 4PRIMARY DOCUMENT22 Dec 2005
  • Form 4PRIMARY DOCUMENT9 May 2005
  • Form 3PRIMARY DOCUMENT28 Dec 2004

Talon Opportunity Partners, L.P.(4)

  • Form 4PRIMARY DOCUMENT5 Apr 2006
  • Form 4PRIMARY DOCUMENT22 Dec 2005
  • Form 4PRIMARY DOCUMENT9 May 2005
  • Form 3PRIMARY DOCUMENT28 Dec 2004

Bennett Gregory L(4)

  • Form 4Statement of changes in beneficial ownership12 Jul 2011
  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 3Initial statement of beneficial ownership21 Jan 2010

Honig Barry C(4)

  • Form 4Statement of changes in beneficial ownership4 Jan 2017
  • Form 4Statement of changes in beneficial ownership2 Dec 2016
  • Form 4Statement of changes in beneficial ownership8 Nov 2016
  • Form 3Initial statement of beneficial ownership13 Sep 2016

KAPLAN ANDREW J(4)

  • Form 4Statement of changes in beneficial ownership24 Sep 2018
  • Form 4Statement of changes in beneficial ownership23 Mar 2018
  • Form 4Statement of changes in beneficial ownership23 Aug 2017
  • Form 3Initial statement of beneficial ownership8 May 2017

Ensey Christopher(4)

  • Form 4Statement of changes in beneficial ownership24 Sep 2018
  • Form 4/APRIMARY DOCUMENT15 Mar 2019
  • Form 3Initial statement of beneficial ownership13 Feb 2018
  • Form 3/APRIMARY DOCUMENT15 Mar 2019

Turner Michael John(4)

  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership15 Jul 2025
  • Form 4Statement of changes in beneficial ownership25 Feb 2025
  • Form 3Initial statement of beneficial ownership24 Feb 2025

PEIERLS E JEFFREY(3)

  • Form 4Statement of changes in beneficial ownership18 Apr 2007
  • Form 4PRIMARY DOCUMENT28 Nov 2005
  • Form 3PRIMARY DOCUMENT16 May 2005

CASPARI ROBERT FREDERICK(3)

  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 4Statement of changes in beneficial ownership19 May 2009
  • Form 3Initial statement of beneficial ownership17 Feb 2009

LANDMANN CATHY(3)

  • Form 4PRIMARY DOCUMENT1 Oct 2003
  • Form 4PRIMARY DOCUMENT18 Jun 2003
  • Form 3Initial statement of beneficial ownership1 Oct 2002

Peierls Foundation, Inc.(3)

  • Form 4Statement of changes in beneficial ownership18 Apr 2007
  • Form 4PRIMARY DOCUMENT28 Nov 2005
  • Form 3PRIMARY DOCUMENT16 May 2005

Peierls Brian E(3)

  • Form 4Statement of changes in beneficial ownership18 Apr 2007
  • Form 4PRIMARY DOCUMENT28 Nov 2005
  • Form 3PRIMARY DOCUMENT16 May 2005

Colgin Mark(3)

  • Form 4Statement of changes in beneficial ownership7 Jan 2011
  • Form 4Statement of changes in beneficial ownership21 Jan 2010
  • Form 3Initial statement of beneficial ownership2 Mar 2009

Miller Erik(3)

  • Form 4Statement of changes in beneficial ownership2 May 2012
  • Form 4Statement of changes in beneficial ownership20 Jan 2011
  • Form 3Initial statement of beneficial ownership20 Jan 2011

Dai Mike(3)

  • Form 4Statement of changes in beneficial ownership23 Aug 2017
  • Form 4Statement of changes in beneficial ownership7 Feb 2017
  • Form 3Initial statement of beneficial ownership17 Jan 2017

Northern Data AG(3)

  • Form 4Statement of changes in beneficial ownership7 Sep 2021
  • Form 4Statement of changes in beneficial ownership3 Sep 2021
  • Form 3Initial statement of beneficial ownership27 May 2021

ROUTH MICHAEL W(2)

  • Form 4Statement of changes in beneficial ownership2 Dec 2016
  • Form 3Initial statement of beneficial ownership2 Dec 2016

Whitcomb Richard J.(2)

  • Form 4Statement of changes in beneficial ownership23 Sep 2016
  • Form 3Initial statement of beneficial ownership23 Sep 2016

Chang Robby Sai Kit(2)

  • Form 4Statement of changes in beneficial ownership24 Sep 2018
  • Form 3Initial statement of beneficial ownership7 Mar 2018

LIEBER HOWARD(1)

  • Form 3PRIMARY DOCUMENT27 Jun 2003

So Eric(1)

  • Form 3Initial statement of beneficial ownership30 Oct 2017

Robertsen Daniel Stefan(1)

  • Form 3Initial statement of beneficial ownership31 Jan 2018

≥5% Ownership

Riot Platforms, Inc.(23)

  • SC 13D/ABitfarms Ltd18 Aug 2025
  • SC 13D/ABitfarms Ltd8 Aug 2025
  • SC 13D/ABitfarms Ltd23 Jul 2025
  • SC 13D/ABitfarms Ltd16 Jul 2025
  • SC 13D/ABitfarms Ltd8 Jul 2025
  • SC 13D/ABitfarms Ltd1 Jul 2025
  • SC 13D/ABitfarms Ltd20 Jun 2025
  • SC 13D/ABitfarms Ltd6 Jun 2025
  • SC 13D/ABitfarms Ltd9 Apr 2025
  • SC 13D/ABitfarms Ltd23 Sep 2024

Honig Barry C(11)

  • SC 13D/ARiot Blockchain, Inc.19 Apr 2018
  • SC 13D/ARiot Blockchain, Inc.18 Apr 2018
  • SC 13D/ARiot Blockchain, Inc.13 Feb 2018
  • SC 13D/ABioptix, Inc.5 Jan 2017
  • SC 13D/ABioptix, Inc.1 Dec 2016
  • SC 13D/AVenaxis, Inc.9 Nov 2016
  • SC 13D/AVenaxis, Inc.14 Sep 2016
  • SC 13D/AVenaxis, Inc.13 Sep 2016
  • SC 13DVenaxis, Inc.8 Sep 2016
  • SC 13G/AVenaxis, Inc.16 May 2016

PERKINS CAPITAL MANAGEMENT INC(10)

  • SC 13G/AVenaxis, Inc.1 Feb 2016
  • SC 13G/AVenaxis, Inc.28 Jan 2015
  • SC 13G/AVenaxis, Inc.7 Feb 2014
  • SC 13G/AVenaxis, Inc.11 Jul 2013
  • SC 13G/AVenaxis, Inc.10 Jul 2013
  • SC 13G/AVenaxis, Inc.1 Feb 2013
  • SC 13G/AAspenBio Pharma, Inc.12 Jul 2012
  • SC 13G/AAspenBio Pharma, Inc.9 Apr 2012
  • SC 13G/AAspenBio Pharma, Inc.3 Feb 2012
  • SC 13GAspenBio Pharma, Inc.11 Jan 2012

DeFrancesco Catherine Johanna(9)

  • SC 13D/ABioptix, Inc.10 Jan 2017
  • SC 13D/ABioptix, Inc.13 Dec 2016
  • SC 13D/ABioptix, Inc.9 Dec 2016
  • SC 13D/ABioptix, Inc.5 Dec 2016
  • SC 13D/AVenaxis, Inc.25 Oct 2016
  • SC 13D/AVenaxis, Inc.20 Oct 2016
  • SC 13D/AVenaxis, Inc.20 Sep 2016
  • SC 13D/AVenaxis, Inc.14 Sep 2016
  • SC 13DVenaxis, Inc.12 Sep 2016

VANGUARD GROUP INC(5)

  • SC 13G/ARiot Platforms, Inc.27 Mar
  • SC 13G/ARiot Platforms, Inc.13 Feb 2024
  • SC 13G/ARiot Platforms, Inc.10 Jul 2023
  • SC 13G/ARiot Platforms, Inc.9 Feb 2023
  • SC 13GRiot Blockchain, Inc.10 Feb 2022

TALON ASSET MANAGEMENT, LLC(5)

  • SC 13D/AAspenBio Pharma, Inc.6 Apr 2006
  • SC 13D/AAspenBio Pharma, Inc.14 Feb 2006
  • SC 13DAspenbio Inc13 May 2005
  • SC 13G/AAspenbio Inc11 Feb 2005
  • SC 13GAspenbio Inc27 Aug 2004

Peierls Foundation, Inc.(5)

  • SC 13G/AAspenBio Pharma, Inc.5 Jul 2012
  • SC 13G/AAspenBio Pharma, Inc.16 Feb 2010
  • SC 13G/AAspenBio Pharma, Inc.25 Feb 2008
  • SC 13G/AAspenBio Pharma, Inc.28 Nov 2005
  • SC 13GAspenbio Inc16 May 2005

RMB Capital Management, LLC(5)

  • SC 13G/AAspenBio Pharma, Inc.9 Feb 2011
  • SC 13G/AAspenBio Pharma, Inc.5 Feb 2010
  • SC 13G/AAspenBio Pharma, Inc.12 Feb 2009
  • SC 13GAspenBio Pharma, Inc.14 Feb 2008
  • SC 13GAspenBio Pharma, Inc.30 Jun 2006

FMR LLC(4)

  • SC 13G/ARiot Platforms, Inc.6 Aug
  • SC 13GRiot Platforms, Inc.6 May
  • SC 13G/ARiot Platforms, Inc.5 Feb
  • SC 13GRiot Platforms, Inc.5 Nov 2025

WILLIAM HARRIS INVESTORS INC(4)

  • SC 13G/AAspenBio Pharma, Inc.13 Feb 2008
  • SC 13G/AAspenBio Pharma, Inc.14 Feb 2007
  • SC 13G/AAspenBio Pharma, Inc.12 Apr 2006
  • SC 13GAspenBio Pharma, Inc.11 Apr 2006

Corriente Advisors, LLC(4)

  • SC 13G/AAspenBio Pharma, Inc.16 Feb 2010
  • SC 13G/AAspenBio Pharma, Inc.17 Feb 2009
  • SC 13G/AAspenBio Pharma, Inc.13 Feb 2008
  • SC 13GAspenBio Pharma, Inc.29 Nov 2007

SUSQUEHANNA SECURITIES, LLC(4)

  • SC 13G/ARiot Blockchain, Inc.14 Feb 2022
  • SC 13GRiot Blockchain, Inc.16 Feb 2021
  • SC 13G/ARiot Blockchain, Inc.14 Feb 2019
  • SC 13GRiot Blockchain, Inc.9 Feb 2018

JANE STREET GROUP, LLC(4)

  • SC 13G/ARiot Platforms, Inc.6 Nov
  • SC 13GRiot Platforms, Inc.11 May
  • SC 13G/ARiot Platforms, Inc.4 Feb
  • SC 13GRiot Platforms, Inc.20 Nov 2025

MGT CAPITAL INVESTMENTS INC(3)

  • SC 13D/AVenaxis, Inc.2 Sep 2016
  • SC 13D/AVenaxis, Inc.19 May 2016
  • SC 13DVenaxis, Inc.18 May 2016

Roaring Fork Capital SBIC, L.P.(3)

  • SC 13G/AAspenBio Pharma, Inc.13 Feb 2008
  • SC 13G/AAspenBio Pharma, Inc.2 Feb 2007
  • SC 13GAspenbio Inc16 May 2005

SOPHROSYNE CAPITAL LLC(3)

  • SC 13G/AVenaxis, Inc.29 Jan 2014
  • SC 13G/AAspenBio Pharma, Inc.27 Nov 2012
  • SC 13GAspenBio Pharma, Inc.9 Oct 2012

CALC III LP(3)

  • SC 13GRiot Blockchain, Inc.18 Apr 2019
  • SC 13G/ARiot Blockchain, Inc.14 Feb 2019
  • SC 13GRiot Blockchain, Inc.14 Feb 2018

Remeditex Ventures LLC(3)

  • SC 13G/ABioptix, Inc.5 Apr 2017
  • SC 13G/AVenaxis, Inc.1 Nov 2016
  • SC 13GVenaxis, Inc.19 Sep 2016

Northurst Inc.(3)

  • SC 13G/ARiot Blockchain, Inc.31 Jan 2019
  • SC 13G/ARiot Blockchain, Inc.15 Feb 2018
  • SC 13GBioptix, Inc.4 Aug 2017

Northern Data AG(3)

  • SC 13G/ARiot Blockchain, Inc.22 Sep 2021
  • SC 13G/ARiot Blockchain, Inc.7 Sep 2021
  • SC 13GRiot Blockchain, Inc.27 May 2021

GOLDMAN SACHS GROUP INC(2)

  • SC 13G/ARiot Platforms, Inc.14 Aug 2025
  • SC 13GRiot Platforms, Inc.12 May 2025

PEIERLS E JEFFREY(2)

  • SC 13G/ARiot Blockchain, Inc.9 Feb 2018
  • SC 13GBioptix, Inc.10 Feb 2017

HONIG JONATHAN(2)

  • SC 13G/ARiot Blockchain, Inc.13 Feb 2018
  • SC 13GRiot Blockchain, Inc.11 Oct 2017

Flynn James E(2)

  • SC 13G/AVenaxis, Inc.14 Feb 2014
  • SC 13GVenaxis, Inc.30 May 2013

BlackRock Inc.(2)

  • SC 13G/ARiot Platforms, Inc.26 Jan 2024
  • SC 13GRiot Platforms, Inc.3 Feb 2023

Hudson Bay Capital Management LP(2)

  • SC 13G/ARiot Blockchain, Inc.31 Jan 2019
  • SC 13GRiot Blockchain, Inc.2 Feb 2018

SABBY MANAGEMENT, LLC(2)

  • SC 13G/AVenaxis, Inc.28 Jan 2013
  • SC 13GAspenBio Pharma, Inc.9 Jan 2012

Groussman Mark(2)

  • SC 13G/ARiot Blockchain, Inc.15 Feb 2018
  • SC 13GRiot Blockchain, Inc.13 Oct 2017

MARATHON CAPITAL MANAGEMENT(1)

  • SC 13GAspenBio Pharma, Inc.25 Jan 2007

LIEBER HOWARD(1)

  • SC 13DAspenbio Inc27 Jun 2003

Citadel Securities GP LLC(1)

  • SC 13G/ARiot Blockchain, Inc.14 Feb 2020

VANGUARD PORTFOLIO MANAGEMENT LLC(1)

  • SC 13GRiot Platforms, Inc.29 Apr