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Atossa Therapeutics, Inc.(ATOS US)

$2.60-0.124.41%Ext:$2.58-0.020.77%(Market Closed · 23:51:54 UTC)

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SEC Filings
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ATOS US​

SEC Filings by Owner

Insider Ownership

QUAY STEVEN C(25)

  • 4Statement of changes in beneficial ownership31 Mar
  • 4/AStatement of changes in beneficial ownership (amendment)30 Jan
  • 4Statement of changes in beneficial ownership22 Jan
  • 4Statement of changes in beneficial ownership22 May 2025
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership1 Jul 2024
  • 4Statement of changes in beneficial ownership6 Mar 2023
  • 4Statement of changes in beneficial ownership28 Feb 2022
  • 4Statement of changes in beneficial ownership18 May 2021
  • 4Statement of changes in beneficial ownership18 May 2021

Chen Shu-Chih(20)

  • 4Statement of changes in beneficial ownership14 May
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership1 Jul 2024
  • 4Statement of changes in beneficial ownership5 May 2023
  • 4Statement of changes in beneficial ownership16 May 2022
  • 4Statement of changes in beneficial ownership18 May 2021
  • 4Statement of changes in beneficial ownership19 May 2020
  • 4Statement of changes in beneficial ownership21 May 2019
  • 4Statement of changes in beneficial ownership29 Jun 2018
  • 4OWNERSHIP DOCUMENT31 May 2018

Remmel H. Lawrence(19)

  • 4Statement of changes in beneficial ownership14 May
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership28 Mar 2025
  • 4Statement of changes in beneficial ownership1 Jul 2024
  • 4Statement of changes in beneficial ownership5 May 2023
  • 4Statement of changes in beneficial ownership16 May 2022
  • 4Statement of changes in beneficial ownership18 May 2021
  • 4Statement of changes in beneficial ownership19 May 2020
  • 4Statement of changes in beneficial ownership21 May 2019
  • 4Statement of changes in beneficial ownership29 Jun 2018

WEAVER GREGORY L(17)

  • 4Statement of changes in beneficial ownership17 Nov 2023
  • 4Statement of changes in beneficial ownership20 Jun 2023
  • 4Statement of changes in beneficial ownership5 Jun 2023
  • 4Statement of changes in beneficial ownership5 May 2023
  • 4Statement of changes in beneficial ownership16 May 2022
  • 4Statement of changes in beneficial ownership7 Jul 2021
  • 4Statement of changes in beneficial ownership18 May 2021
  • 4Statement of changes in beneficial ownership19 May 2020
  • 4Statement of changes in beneficial ownership21 May 2019
  • 4Statement of changes in beneficial ownership29 Jun 2018

Steinhart Richard I(15)

  • 4Statement of changes in beneficial ownership14 May
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership1 Jul 2024
  • 4Statement of changes in beneficial ownership5 May 2023
  • 4Statement of changes in beneficial ownership16 May 2022
  • 4Statement of changes in beneficial ownership18 May 2021
  • 4Statement of changes in beneficial ownership19 May 2020
  • 4Statement of changes in beneficial ownership21 May 2019
  • 4Statement of changes in beneficial ownership29 Jun 2018
  • 4OWNERSHIP DOCUMENT26 May 2017

Galli Stephen J(15)

  • 4Statement of changes in beneficial ownership14 May
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership1 Jul 2024
  • 4Statement of changes in beneficial ownership5 May 2023
  • 4Statement of changes in beneficial ownership16 May 2022
  • 4Statement of changes in beneficial ownership18 May 2021
  • 4Statement of changes in beneficial ownership19 May 2020
  • 4Statement of changes in beneficial ownership21 May 2019
  • 4Statement of changes in beneficial ownership29 Jun 2018
  • 4Statement of changes in beneficial ownership26 May 2017

Guse Kyle(15)

  • 4Statement of changes in beneficial ownership6 Mar 2023
  • 4Statement of changes in beneficial ownership28 Feb 2022
  • 4Statement of changes in beneficial ownership18 May 2021
  • 4Statement of changes in beneficial ownership13 Apr 2020
  • 4Statement of changes in beneficial ownership15 Jan 2019
  • 4Statement of changes in beneficial ownership29 Jun 2018
  • 4OWNERSHIP DOCUMENT31 May 2018
  • 4OWNERSHIP DOCUMENT16 Nov 2017
  • 4OWNERSHIP DOCUMENT26 May 2017
  • 4OWNERSHIP DOCUMENT19 May 2016

Finn Jonathan(7)

  • 4Statement of changes in beneficial ownership14 May
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership1 Jul 2024
  • 4Statement of changes in beneficial ownership11 Apr 2024
  • 4/AStatement of changes in beneficial ownership (amendment)15 Nov 2023
  • 4Statement of changes in beneficial ownership15 Nov 2023
  • 3Initial statement of beneficial ownership15 Nov 2023

Cigler Tessa(5)

  • 4Statement of changes in beneficial ownership14 May
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership1 Jul 2024
  • 3Initial statement of beneficial ownership14 Mar 2024
  • 4Statement of changes in beneficial ownership14 Mar 2024

CROSS ALEXANDER D(3)

  • 4PRIMARY DOCUMENT27 Jun 2013
  • 4PRIMARY DOCUMENT9 May 2013
  • 3PRIMARY DOCUMENT7 Nov 2012

Destro Christopher S.(3)

  • 4OWNERSHIP DOCUMENT18 Mar 2015
  • 3PRIMARY DOCUMENT8 May 2014
  • 4PRIMARY DOCUMENT8 May 2014

Rees Heather(3)

  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership1 Jul 2024
  • 3Initial statement of beneficial ownership16 Oct 2023

Daniel Mark James(3)

  • 4Statement of changes in beneficial ownership30 Mar
  • 4Statement of changes in beneficial ownership21 Oct 2025
  • 3Initial statement of beneficial ownership21 Oct 2025

Sawyer John E(2)

  • 4OWNERSHIP DOCUMENT18 Mar 2015
  • 3PRIMARY DOCUMENT6 Jun 2014

Barnhart John(2)

  • 4PRIMARY DOCUMENT9 May 2013
  • 3PRIMARY DOCUMENT7 Nov 2012

Chen Ben R(2)

  • 3PRIMARY DOCUMENT3 Apr 2014
  • 4PRIMARY DOCUMENT3 Apr 2014

Carbonaro Peter J.(2)

  • 3PRIMARY DOCUMENT8 May 2014
  • 4PRIMARY DOCUMENT8 May 2014

Youmans Scott(2)

  • 3OWNERSHIP DOCUMENT3 Sep 2015
  • 4OWNERSHIP DOCUMENT3 Sep 2015

Benjamin Christopher(1)

  • 3PRIMARY DOCUMENT7 Nov 2012

≥5% Ownership

VANGUARD GROUP INC(5)

  • SC 13G/AAtossa Therapeutics, Inc.29 Jul 2025
  • SC 13G/AAtossa Therapeutics, Inc.12 Nov 2024
  • SC 13G/AAtossa Therapeutics, Inc.4 Nov 2024
  • SC 13G/AAtossa Therapeutics, Inc.9 Feb 2023
  • SC 13GAtossa Therapeutics, Inc.9 Feb 2022

CVI Investments, Inc.(5)

  • SC 13G/AAtossa Therapeutics, Inc.7 Feb 2025
  • SC 13G/AAtossa Therapeutics, Inc.14 Feb 2022
  • SC 13GAtossa Therapeutics, Inc.15 Jan 2021
  • SC 13G/AAtossa Therapeutics, Inc.15 Jan 2021
  • SC 13GAtossa Therapeutics, Inc.18 Dec 2020

Empery Asset Management, LP(4)

  • SC 13G/AAtossa Therapeutics, Inc.13 Jan 2022
  • SC 13GAtossa Therapeutics, Inc.14 Jan 2021
  • SC 13G/AAtossa Genetics Inc19 Jan 2018
  • SC 13GAtossa Genetics Inc31 Oct 2017

INTRACOASTAL CAPITAL, LLC(4)

  • SC 13GAtossa Therapeutics, Inc.15 Jan 2021
  • SC 13GAtossa Therapeutics, Inc.28 Dec 2020
  • SC 13G/AAtossa Genetics Inc8 Feb 2019
  • SC 13GAtossa Genetics Inc27 Apr 2018

BlackRock, Inc.(3)

  • SC 13G/AAtossa Therapeutics, Inc.16 Jul 2025
  • SC 13GAtossa Therapeutics, Inc.8 Nov 2024
  • SC 13GAtossa Therapeutics, Inc.22 Oct 2024

QUAY STEVEN C(2)

  • SC 13D/AAtossa Genetics Inc28 Jan 2016
  • SC 13DAtossa Genetics Inc16 Nov 2012

BlackRock Inc.(2)

  • SC 13GAtossa Therapeutics, Inc.8 Jul 2022
  • SC 13GAtossa Therapeutics, Inc.4 Feb 2022

Iroquois Capital Management, LLC(2)

  • SC 13G/AAtossa Genetics Inc14 Feb 2018
  • SC 13GAtossa Genetics Inc9 Nov 2017

L1 Capital Global Opportunities Master Fund, Ltd.(2)

  • SC 13G/AAtossa Genetics Inc3 Nov 2017
  • SC 13GAtossa Genetics Inc3 Nov 2017