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OSS US​

One Stop Systems, Inc.(OSS US)

$5.91+0.000.00%Ext:$6.67+0.7612.88%(Market Closed · 23:56:26 UTC)

Overview

ProfileEntity Structure

Documents

SEC Filings
CategorizedChronologicalBy Owner

Financials & Metrics

FinancialsChartingShort InterestEmployees

SEC Filings by Owner

Insider Ownership

Ison James(60)

  • 4Statement of changes in beneficial ownership2 Mar
  • 4Statement of changes in beneficial ownership25 Aug 2025
  • 4Statement of changes in beneficial ownership13 Mar 2025
  • 4Statement of changes in beneficial ownership24 Feb 2025
  • 4Statement of changes in beneficial ownership25 Sep 2024
  • 4Statement of changes in beneficial ownership21 Aug 2024
  • 4Statement of changes in beneficial ownership3 Jul 2024
  • 4Statement of changes in beneficial ownership28 May 2024
  • 4Statement of changes in beneficial ownership27 Mar 2024
  • 4Statement of changes in beneficial ownership7 Feb 2024

Morrison John W Jr.(41)

  • 4Statement of changes in beneficial ownership12 Nov 2024
  • 4Statement of changes in beneficial ownership25 Sep 2024
  • 4Statement of changes in beneficial ownership21 Aug 2024
  • 4Statement of changes in beneficial ownership3 Jul 2024
  • 4Statement of changes in beneficial ownership28 May 2024
  • 4Statement of changes in beneficial ownership27 Mar 2024
  • 4Statement of changes in beneficial ownership7 Feb 2024
  • 4Statement of changes in beneficial ownership21 Nov 2023
  • 4Statement of changes in beneficial ownership20 Nov 2023
  • 4Statement of changes in beneficial ownership18 Aug 2023

Cooper Steve D(36)

  • 4PRIMARY DOCUMENT24 Jan 2024
  • 4PRIMARY DOCUMENT1 Aug 2023
  • 4PRIMARY DOCUMENT20 Dec 2022
  • 4PRIMARY DOCUMENT26 Aug 2022
  • 4PRIMARY DOCUMENT17 Aug 2022
  • 4PRIMARY DOCUMENT27 Jul 2022
  • 4PRIMARY DOCUMENT11 Apr 2022
  • 4PRIMARY DOCUMENT31 Mar 2022
  • 4PRIMARY DOCUMENT4 Jan 2022
  • 4PRIMARY DOCUMENT26 Nov 2021

RAUN DAVID(33)

  • 4Statement of changes in beneficial ownership3 Apr 2024
  • 4Statement of changes in beneficial ownership15 Aug 2023
  • 4Statement of changes in beneficial ownership27 Jun 2023
  • 4Statement of changes in beneficial ownership21 Jun 2023
  • 4/AStatement of changes in beneficial ownership (amendment)21 Jun 2023
  • 4Statement of changes in beneficial ownership10 Feb 2023
  • 4Statement of changes in beneficial ownership6 Jan 2023
  • 4Statement of changes in beneficial ownership30 Jun 2022
  • 4Statement of changes in beneficial ownership21 Mar 2022
  • 4Statement of changes in beneficial ownership23 Dec 2021

POTASHNER KENNETH F(23)

  • 4Statement of changes in beneficial ownership11 Jul 2024
  • 4Statement of changes in beneficial ownership3 Jul 2024
  • 4Statement of changes in beneficial ownership3 Apr 2024
  • 4Statement of changes in beneficial ownership28 Jun 2023
  • 4Statement of changes in beneficial ownership21 Jun 2023
  • 4Statement of changes in beneficial ownership21 Mar 2022
  • 4Statement of changes in beneficial ownership10 Jan 2022
  • 4Statement of changes in beneficial ownership24 Nov 2021
  • 4Statement of changes in beneficial ownership21 May 2021
  • 4Statement of changes in beneficial ownership17 Feb 2021

Harrison Jack(13)

  • 4Statement of changes in beneficial ownership21 Mar 2022
  • 4Statement of changes in beneficial ownership26 Jul 2021
  • 4Statement of changes in beneficial ownership21 May 2021
  • 4Statement of changes in beneficial ownership17 Feb 2021
  • 4Statement of changes in beneficial ownership19 Aug 2020
  • 4Statement of changes in beneficial ownership6 Mar 2020
  • 4Statement of changes in beneficial ownership14 Feb 2020
  • 5Annual statement of beneficial ownership10 Feb 2020
  • 4Statement of changes in beneficial ownership16 Apr 2019
  • 4Statement of changes in beneficial ownership6 Jun 2019

Cooper Revocable Trust Dated April 25, 2001(13)

  • 4Statement of changes in beneficial ownership2 Sep 2020
  • 4Statement of changes in beneficial ownership24 Aug 2020
  • 4Statement of changes in beneficial ownership24 Jun 2020
  • 4Statement of changes in beneficial ownership20 Mar 2020
  • 4Statement of changes in beneficial ownership18 Feb 2020
  • 4Statement of changes in beneficial ownership25 Sep 2019
  • 4Statement of changes in beneficial ownership21 Aug 2019
  • 4Statement of changes in beneficial ownership11 Jun 2019
  • 4Statement of changes in beneficial ownership24 May 2019
  • 4Statement of changes in beneficial ownership15 Apr 2019

Reardon James M(13)

  • 4Statement of changes in beneficial ownership1 Apr 2021
  • 4Statement of changes in beneficial ownership24 Feb 2021
  • 4Statement of changes in beneficial ownership31 Aug 2020
  • 4Statement of changes in beneficial ownership25 Aug 2020
  • 4Statement of changes in beneficial ownership21 Aug 2020
  • 4Statement of changes in beneficial ownership23 Jun 2020
  • 4Statement of changes in beneficial ownership17 Jun 2020
  • 4Statement of changes in beneficial ownership18 Feb 2020
  • 4Statement of changes in beneficial ownership21 Aug 2019
  • 4Statement of changes in beneficial ownership13 Aug 2019

KNOWLES MICHAEL(13)

  • 4Statement of changes in beneficial ownership4 Sep
  • 4Statement of changes in beneficial ownership12 Jun
  • 4Statement of changes in beneficial ownership2 Mar
  • 4Statement of changes in beneficial ownership11 Feb
  • 4Statement of changes in beneficial ownership7 Jan
  • 4/AStatement of changes in beneficial ownership (amendment)27 Mar
  • 4Statement of changes in beneficial ownership2 Sep 2025
  • 4Statement of changes in beneficial ownership30 Dec 2024
  • 4Statement of changes in beneficial ownership3 Jul 2024
  • 4Statement of changes in beneficial ownership18 Jun 2024

REARDON JOHN RALPH(12)

  • 4Statement of changes in beneficial ownership6 Mar 2020
  • 4Statement of changes in beneficial ownership14 Feb 2020
  • 4Statement of changes in beneficial ownership16 Dec 2019
  • 4Statement of changes in beneficial ownership17 Sep 2019
  • 4Statement of changes in beneficial ownership15 Apr 2019
  • 4Statement of changes in beneficial ownership22 Feb 2019
  • 4Statement of changes in beneficial ownership21 Mar 2019
  • 4Statement of changes in beneficial ownership18 Dec 2018
  • 4Statement of changes in beneficial ownership11 Dec 2018
  • 4Statement of changes in beneficial ownership13 Apr 2018

Matz Gregory W(10)

  • 4Statement of changes in beneficial ownership26 May
  • 4Statement of changes in beneficial ownership23 May 2025
  • 4Statement of changes in beneficial ownership3 Jul 2024
  • 4Statement of changes in beneficial ownership15 Aug 2023
  • 4Statement of changes in beneficial ownership21 Mar 2022
  • 4Statement of changes in beneficial ownership21 May 2021
  • 4Statement of changes in beneficial ownership17 Feb 2021
  • 4Statement of changes in beneficial ownership18 Aug 2020
  • 4Statement of changes in beneficial ownership5 Aug 2020
  • 3Initial statement of beneficial ownership15 Jun 2020

Messinger Gioia(8)

  • 4Statement of changes in beneficial ownership3 Jul 2024
  • 4Statement of changes in beneficial ownership3 Jun 2022
  • 4Statement of changes in beneficial ownership30 Jun 2021
  • 4Statement of changes in beneficial ownership21 May 2021
  • 4Statement of changes in beneficial ownership17 Feb 2021
  • 4Statement of changes in beneficial ownership24 Nov 2020
  • 4Statement of changes in beneficial ownership5 Aug 2020
  • 3Initial statement of beneficial ownership15 Jun 2020

Gabel Daniel G.(8)

  • 4Statement of changes in beneficial ownership4 Sep
  • 4Statement of changes in beneficial ownership28 May
  • 4Statement of changes in beneficial ownership11 Feb
  • 4Statement of changes in beneficial ownership2 Mar
  • 4Statement of changes in beneficial ownership12 Jan
  • 4Statement of changes in beneficial ownership5 Mar 2025
  • 3Initial statement of beneficial ownership12 Nov 2024
  • 4Statement of changes in beneficial ownership12 Nov 2024

Sentovich Kimberly C.(7)

  • 4Statement of changes in beneficial ownership21 Mar 2022
  • 4Statement of changes in beneficial ownership21 May 2021
  • 4Statement of changes in beneficial ownership17 Feb 2021
  • 4Statement of changes in beneficial ownership6 Mar 2020
  • 4Statement of changes in beneficial ownership13 Feb 2020
  • 4Statement of changes in beneficial ownership21 Mar 2019
  • 3Initial statement of beneficial ownership31 Jan 2019

Lowman Teresita M.(6)

  • 4Statement of changes in beneficial ownership21 Mar 2022
  • 4Statement of changes in beneficial ownership21 May 2021
  • 4Statement of changes in beneficial ownership31 Mar 2021
  • 4Statement of changes in beneficial ownership17 Feb 2021
  • 4Statement of changes in beneficial ownership5 Aug 2020
  • 3Initial statement of beneficial ownership15 Jun 2020

Bressner Josef(5)

  • 4Statement of changes in beneficial ownership1 Sep 2020
  • 4Statement of changes in beneficial ownership21 Aug 2019
  • 4Statement of changes in beneficial ownership15 Feb 2019
  • 4Statement of changes in beneficial ownership6 Nov 2018
  • 3Initial statement of beneficial ownership6 Nov 2018

Dumont Michael J.(5)

  • 4Statement of changes in beneficial ownership26 May
  • 4Statement of changes in beneficial ownership27 May 2025
  • 4Statement of changes in beneficial ownership3 Jul 2024
  • 5Annual statement of beneficial ownership13 Feb 2024
  • 3Initial statement of beneficial ownership10 Oct 2023

JONES RANDY G(4)

  • 4Statement of changes in beneficial ownership16 Apr 2019
  • 4Statement of changes in beneficial ownership21 Mar 2019
  • 4Statement of changes in beneficial ownership13 Apr 2018
  • 3Initial statement of beneficial ownership31 Jan 2018

Herbets Mitchell H(4)

  • 4Statement of changes in beneficial ownership26 May
  • 4Statement of changes in beneficial ownership28 May 2025
  • 4Statement of changes in beneficial ownership3 Jul 2024
  • 3Initial statement of beneficial ownership1 Dec 2023

Manko Joseph M. Jr.(3)

  • 4Statement of changes in beneficial ownership15 Aug 2024
  • 4Statement of changes in beneficial ownership3 Jul 2024
  • 3Initial statement of beneficial ownership20 Nov 2023

Carpenter William(2)

  • 4Statement of changes in beneficial ownership13 Mar 2018
  • 3Initial statement of beneficial ownership31 Jan 2018

D'Amato Barbara(2)

  • 3Initial statement of beneficial ownership8 Nov 2019
  • 4Statement of changes in beneficial ownership8 Nov 2019

BASSETT DAVID GEORGE(2)

  • 4Statement of changes in beneficial ownership26 May
  • 3PRIMARY DOCUMENT18 Jul 2025

Randy Jones & Roseann Piazza Jones Revocable Trust(1)

  • 3Initial statement of beneficial ownership31 Jan 2018

≥5% Ownership

BARD ASSOCIATES INC(6)

  • SC 13G/AOne Stop Systems, Inc.13 Feb
  • SC 13G/AOne Stop Systems, Inc.4 Jan 2024
  • SC 13G/AOne Stop Systems, Inc.6 Feb 2023
  • SC 13G/AOne Stop Systems, Inc.14 Feb 2022
  • SC 13G/AOne Stop Systems, Inc.12 Feb 2021
  • SC 13GOne Stop Systems, Inc.10 Feb 2020

HIRSCHMAN ORIN(4)

  • SC 13G/AOne Stop Systems, Inc.2 Apr 2019
  • SC 13G/AOne Stop Systems, Inc.15 Feb 2019
  • SC 13G/AOne Stop Systems, Inc.15 Feb 2019
  • SC 13GOne Stop Systems Inc4 May 2018

Lynrock Lake LP(4)

  • SC 13G/AOne Stop Systems, Inc.17 Feb
  • SC 13G/AOne Stop Systems, Inc.18 Nov 2025
  • SC 13G/AOne Stop Systems, Inc.14 Feb 2024
  • SC 13GOne Stop Systems, Inc.14 Feb 2023

BARCLAYS PLC(3)

  • SC 13G/AOne Stop Systems, Inc.13 May 2025
  • SC 13G/AOne Stop Systems, Inc.21 Mar 2025
  • SC 13GOne Stop Systems, Inc.14 Feb 2025

WASATCH ADVISORS INC(3)

  • SC 13G/AOne Stop Systems, Inc.1 Jul 2020
  • SC 13G/AOne Stop Systems, Inc.10 Feb 2020
  • SC 13GOne Stop Systems, Inc.14 Feb 2019

Horton Capital Partners Fund, L.P.(3)

  • SC 13D/AOne Stop Systems, Inc.6 Jun 2025
  • SC 13D/AOne Stop Systems, Inc.18 Apr 2025
  • SC 13DOne Stop Systems, Inc.3 Nov 2023

Galkin Vladimir(3)

  • SC 13G/AOne Stop Systems, Inc.9 Oct
  • SC 13G/AOne Stop Systems, Inc.31 Jul
  • SC 13GOne Stop Systems, Inc.24 Jul

Cooper Steve D(2)

  • SC 13D/AOne Stop Systems, Inc.18 Feb 2020
  • SC 13DOne Stop Systems, Inc.15 Feb 2019

JONES RANDY G(1)

  • SC 13DOne Stop Systems, Inc.15 Feb 2019

JANE STREET GROUP, LLC(1)

  • SC 13GOne Stop Systems, Inc.13 May

Ayrton Capital LLC(1)

  • SC 13GOne Stop Systems, Inc.11 Mar 2021

Reardon James M(1)

  • SC 13DOne Stop Systems, Inc.10 Sep 2018

BlackRock, Inc.(1)

  • SC 13GOne Stop Systems, Inc.29 Jul