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ASMB US​
HomeStock ScreenerDocument SearchChartingWatchlistsRecent Filings

Assembly Biosciences, Inc.(ASMB US)

$21.12+0.944.66%Ext:$20.99-0.130.63%(Market Closed · 00:47:50 UTC)
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Overview

ProfileEntity Structure

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

  • Get the full experience

    We save the real magic for signed-in users.

ASMB US​
HomeStock ScreenerDocument SearchChartingWatchlistsRecent Filings

Assembly Biosciences, Inc.(ASMB US)

$21.12+0.944.66%Ext:$20.99-0.130.63%(Market Closed · 00:47:50 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

RINGO WILLIAM R(25)

  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4OWNERSHIP DOCUMENT3 Jul 2018
  • Form 4OWNERSHIP DOCUMENT1 Jun 2018
  • Form 4Statement of changes in beneficial ownership2 May 2018

Okazaki Jason A(23)

  • Form 4Statement of changes in beneficial ownership3 Nov
  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership31 Mar
  • Form 4Statement of changes in beneficial ownership1 Apr 2025
  • Form 4Statement of changes in beneficial ownership4 Oct 2024
  • Form 4Statement of changes in beneficial ownership5 Aug 2024
  • Form 4Statement of changes in beneficial ownership24 May 2024
  • Form 4Statement of changes in beneficial ownership29 Apr 2024
  • Form 4Statement of changes in beneficial ownership2 Apr 2024
  • Form 4Statement of changes in beneficial ownership27 Mar 2024

Delaney William E IV(20)

  • Form 4Statement of changes in beneficial ownership3 Nov
  • Form 4Statement of changes in beneficial ownership31 Mar
  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership1 Apr 2025
  • Form 4Statement of changes in beneficial ownership29 Apr 2024
  • Form 4Statement of changes in beneficial ownership2 Apr 2024
  • Form 4Statement of changes in beneficial ownership4 Oct 2023
  • Form 4Statement of changes in beneficial ownership3 Aug 2023
  • Form 4Statement of changes in beneficial ownership23 Jun 2023
  • Form 4Statement of changes in beneficial ownership31 May 2023

ALTIG ANTHONY E(19)

  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4Statement of changes in beneficial ownership1 Jun 2018
  • Form 4OWNERSHIP DOCUMENT5 Jun 2017

McHutchison John G(18)

  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership15 Apr 2025
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership24 May 2024
  • Form 4Statement of changes in beneficial ownership2 Apr 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership24 May 2023
  • Form 4Statement of changes in beneficial ownership31 Mar 2023
  • Form 4Statement of changes in beneficial ownership10 Aug 2022

HOLUBIAK MYRON Z(14)

  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4OWNERSHIP DOCUMENT1 Jun 2018
  • Form 4OWNERSHIP DOCUMENT5 Jun 2017
  • Form 4OWNERSHIP DOCUMENT3 Jun 2016
  • Form 4OWNERSHIP DOCUMENT1 Jun 2015
  • Form 4/AStatement of changes in beneficial ownership (amendment)15 Apr 2015
  • Form 4/AStatement of changes in beneficial ownership (amendment)7 Oct 2014
  • Form 4Statement of changes in beneficial ownership14 Jul 2014

ELLISON RUSSELL H(14)

  • Form 4/AStatement of changes in beneficial ownership (amendment)7 Oct 2014
  • Form 4/AStatement of changes in beneficial ownership (amendment)15 Apr 2015
  • Form 4Statement of changes in beneficial ownership14 Jul 2014
  • Form 4Statement of changes in beneficial ownership28 May 2014
  • Form 4Statement of changes in beneficial ownership27 May 2014
  • Form 4Statement of changes in beneficial ownership22 May 2014
  • Form 4/AStatement of changes in beneficial ownership (amendment)12 Mar 2014
  • Form 4Statement of changes in beneficial ownership12 Mar 2014
  • Form 4/AStatement of changes in beneficial ownership (amendment)13 Mar 2014
  • Form 4Statement of changes in beneficial ownership9 Apr 2013

AUERBACH MARK(13)

  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4Statement of changes in beneficial ownership1 Jun 2018
  • Form 4OWNERSHIP DOCUMENT5 Jun 2017
  • Form 4OWNERSHIP DOCUMENT3 Jun 2016
  • Form 4OWNERSHIP DOCUMENT1 Jun 2015
  • Form 4/AStatement of changes in beneficial ownership (amendment)15 Apr 2015
  • Form 4Statement of changes in beneficial ownership14 Jul 2014
  • Form 4/AStatement of changes in beneficial ownership (amendment)7 Oct 2014
  • Form 4Statement of changes in beneficial ownership8 Mar 2013
  • Form 4Statement of changes in beneficial ownership10 Nov 2011

White Nicole S(13)

  • Form 4Statement of changes in beneficial ownership3 Nov
  • Form 4Statement of changes in beneficial ownership31 Mar
  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership1 Apr 2025
  • Form 4Statement of changes in beneficial ownership19 Nov 2024
  • Form 4Statement of changes in beneficial ownership4 Oct 2024
  • Form 4Statement of changes in beneficial ownership5 Aug 2024
  • Form 4Statement of changes in beneficial ownership24 May 2024
  • Form 4Statement of changes in beneficial ownership1 May 2024
  • Form 4Statement of changes in beneficial ownership2 Apr 2024

BARRETT DAVID JONATHAN(12)

  • Form 4OWNERSHIP DOCUMENT31 Mar 2017
  • Form 4/AStatement of changes in beneficial ownership (amendment)15 Apr 2015
  • Form 4/AStatement of changes in beneficial ownership (amendment)7 Oct 2014
  • Form 4Statement of changes in beneficial ownership14 Jul 2014
  • Form 4Statement of changes in beneficial ownership27 May 2014
  • Form 4Statement of changes in beneficial ownership21 May 2014
  • Form 4/AStatement of changes in beneficial ownership (amendment)13 Mar 2014
  • Form 4Statement of changes in beneficial ownership12 Mar 2014
  • Form 4Statement of changes in beneficial ownership9 Apr 2013
  • Form 4Statement of changes in beneficial ownership18 Jan 2012

Bjorkquist Jeanette M(12)

  • Form 4Statement of changes in beneficial ownership3 Nov
  • Form 4Statement of changes in beneficial ownership18 Jun
  • Form 4Statement of changes in beneficial ownership31 Mar
  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership17 Jun 2025
  • Form 4Statement of changes in beneficial ownership1 Apr 2025
  • Form 4Statement of changes in beneficial ownership24 May 2024
  • Form 4Statement of changes in beneficial ownership2 Apr 2024
  • Form 4Statement of changes in beneficial ownership25 Jul 2023
  • Form 4Statement of changes in beneficial ownership24 May 2023

DiMarchi Richard D(11)

  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4Statement of changes in beneficial ownership1 Jun 2018
  • Form 4OWNERSHIP DOCUMENT5 Jun 2017
  • Form 4OWNERSHIP DOCUMENT3 Jun 2016
  • Form 4OWNERSHIP DOCUMENT1 Jun 2015
  • Form 3Initial statement of beneficial ownership14 Jul 2014
  • Form 4Statement of changes in beneficial ownership14 Jul 2014

Mahony Susan(11)

  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4Statement of changes in beneficial ownership1 Jun 2018
  • Form 3Initial statement of beneficial ownership18 Dec 2017

Colonno Richard James(11)

  • Form 4Statement of changes in beneficial ownership31 Mar 2020
  • Form 4Statement of changes in beneficial ownership16 Dec 2019
  • Form 4OWNERSHIP DOCUMENT2 Apr 2019
  • Form 4OWNERSHIP DOCUMENT14 Dec 2018
  • Form 4OWNERSHIP DOCUMENT26 Nov 2018
  • Form 4OWNERSHIP DOCUMENT20 Jul 2018
  • Form 4Statement of changes in beneficial ownership30 Mar 2018
  • Form 4OWNERSHIP DOCUMENT3 Jan 2018
  • Form 4OWNERSHIP DOCUMENT31 Mar 2017
  • Form 4OWNERSHIP DOCUMENT12 Jan 2016

Small Derek A(9)

  • Form 4Statement of changes in beneficial ownership3 Jan 2020
  • Form 4OWNERSHIP DOCUMENT2 Apr 2019
  • Form 4Statement of changes in beneficial ownership20 Jul 2018
  • Form 4Statement of changes in beneficial ownership30 Mar 2018
  • Form 4OWNERSHIP DOCUMENT31 Mar 2017
  • Form 4OWNERSHIP DOCUMENT12 Feb 2016
  • Form 3/AInitial statement of beneficial ownership (amendment)15 Jul 2014
  • Form 3Initial statement of beneficial ownership14 Jul 2014
  • Form 3/AInitial statement of beneficial ownership (amendment)15 Apr 2015

Consylman Gina(8)

  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 3Initial statement of beneficial ownership21 Oct 2020
  • Form 4Statement of changes in beneficial ownership21 Oct 2020

Lopatin Uri A(8)

  • Form 4OWNERSHIP DOCUMENT2 Apr 2019
  • Form 4OWNERSHIP DOCUMENT7 Sep 2018
  • Form 4Statement of changes in beneficial ownership30 Mar 2018
  • Form 4OWNERSHIP DOCUMENT31 Mar 2017
  • Form 5OWNERSHIP DOCUMENT11 Feb 2016
  • Form 3Initial statement of beneficial ownership14 Jul 2014
  • Form 4/AStatement of changes in beneficial ownership (amendment)7 Oct 2014
  • Form 4Statement of changes in beneficial ownership14 Jul 2014

Papkoff Jacqueline Sybil(8)

  • Form 4Statement of changes in beneficial ownership15 Dec 2020
  • Form 4Statement of changes in beneficial ownership31 Mar 2020
  • Form 4Statement of changes in beneficial ownership16 Dec 2019
  • Form 4Statement of changes in beneficial ownership1 Oct 2019
  • Form 4OWNERSHIP DOCUMENT2 Apr 2019
  • Form 4OWNERSHIP DOCUMENT14 Dec 2018
  • Form 4Statement of changes in beneficial ownership2 Apr 2018
  • Form 3Initial statement of beneficial ownership2 Apr 2018

Houghton Michael(8)

  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership31 Dec 2024
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership20 Jul 2021
  • Form 3Initial statement of beneficial ownership20 Jul 2021

LEWIS ALAN(7)

  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4OWNERSHIP DOCUMENT1 Jun 2018
  • Form 4OWNERSHIP DOCUMENT5 Jun 2017
  • Form 4OWNERSHIP DOCUMENT3 Jun 2016
  • Form 4OWNERSHIP DOCUMENT21 Dec 2015
  • Form 3OWNERSHIP DOCUMENT21 Dec 2015

Johnson-Pratt Lisa(7)

  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 3Initial statement of beneficial ownership24 May 2021

Samar Michael P.(6)

  • Form 4Statement of changes in beneficial ownership26 Jul 2022
  • Form 4Statement of changes in beneficial ownership31 Mar 2022
  • Form 4Statement of changes in beneficial ownership22 Jul 2021
  • Form 3Initial statement of beneficial ownership4 Jun 2021
  • Form 4Statement of changes in beneficial ownership1 Oct 2019
  • Form 3OWNERSHIP DOCUMENT9 May 2019

Schornstein Alexander(6)

  • Form 4Statement of changes in beneficial ownership22 Nov 2024
  • Form 4Statement of changes in beneficial ownership9 Oct 2024
  • Form 4Statement of changes in beneficial ownership8 Jul 2024
  • Form 4Statement of changes in beneficial ownership19 Jan 2024
  • Form 4Statement of changes in beneficial ownership22 Nov 2023
  • Form 3PRIMARY DOCUMENT31 Oct 2023

Gaggar Anuj(6)

  • Form 4Statement of changes in beneficial ownership3 Nov
  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership31 Mar
  • Form 4Statement of changes in beneficial ownership1 Apr 2025
  • Form 4Statement of changes in beneficial ownership13 Nov 2023
  • Form 3Initial statement of beneficial ownership13 Nov 2023

GILEAD SCIENCES, INC.(5)

  • Form 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES27 May
  • Form 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES3 Oct 2025
  • Form 4Statement of changes in beneficial ownership23 Dec 2024
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 3PRIMARY DOCUMENT25 Oct 2023

Kim Helen Susan(5)

  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4OWNERSHIP DOCUMENT1 Jun 2018
  • Form 4OWNERSHIP DOCUMENT12 Mar 2018
  • Form 3OWNERSHIP DOCUMENT12 Mar 2018

Felder Joseph(5)

  • Form 4Statement of changes in beneficial ownership8 Mar 2013
  • Form 4Statement of changes in beneficial ownership10 Nov 2011
  • Form 4/AStatement of changes in beneficial ownership (amendment)15 Nov 2011
  • Form 3/AInitial statement of beneficial ownership (amendment)23 Dec 2010
  • Form 3Initial statement of beneficial ownership15 Dec 2010

Rollins Thomas E(5)

  • Form 4Statement of changes in beneficial ownership30 Mar 2018
  • Form 4OWNERSHIP DOCUMENT31 Mar 2017
  • Form 4OWNERSHIP DOCUMENT3 Jun 2016
  • Form 4OWNERSHIP DOCUMENT19 Feb 2016
  • Form 3OWNERSHIP DOCUMENT19 Feb 2016

Stamm Luisa M(5)

  • Form 4Statement of changes in beneficial ownership31 Mar 2022
  • Form 4Statement of changes in beneficial ownership2 Apr 2021
  • Form 4Statement of changes in beneficial ownership10 Nov 2020
  • Form 4Statement of changes in beneficial ownership7 Nov 2019
  • Form 3Initial statement of beneficial ownership7 Nov 2019

COOPER GRAHAM K(4)

  • Form 4OWNERSHIP DOCUMENT2 Apr 2019
  • Form 4OWNERSHIP DOCUMENT14 Dec 2018
  • Form 4Statement of changes in beneficial ownership12 Mar 2018
  • Form 3Initial statement of beneficial ownership12 Mar 2018

Rowland Thomas Andrew(4)

  • Form 4Statement of changes in beneficial ownership18 Jan 2012
  • Form 4Statement of changes in beneficial ownership27 Jan 2011
  • Form 3/AInitial statement of beneficial ownership (amendment)23 Dec 2010
  • Form 3Initial statement of beneficial ownership15 Dec 2010

Russo Thomas Joseph(4)

  • Form 4Statement of changes in beneficial ownership2 Apr 2021
  • Form 4Statement of changes in beneficial ownership31 Mar 2020
  • Form 4Statement of changes in beneficial ownership28 Oct 2019
  • Form 3Initial statement of beneficial ownership28 Oct 2019

EcoR1 Capital Fund Qualified, L.P.(3)

  • Form 4Statement of changes in beneficial ownership18 Apr 2018
  • Form 4Statement of changes in beneficial ownership17 Apr 2018
  • Form 3Initial statement of beneficial ownership27 Jun 2016

Arnold Lee D(3)

  • Form 3/AInitial statement of beneficial ownership (amendment)15 Apr 2015
  • Form 3/AInitial statement of beneficial ownership (amendment)15 Jul 2014
  • Form 3Initial statement of beneficial ownership14 Jul 2014

Zlotnick Adam(2)

  • Form 3Initial statement of beneficial ownership9 Sep 2014
  • Form 4Statement of changes in beneficial ownership9 Sep 2014

Barbosa Miguel(1)

  • Form 3Initial statement of beneficial ownership7 Oct 2016

Cihlar Tomas(1)

  • Form 3Initial statement of beneficial ownership11 Dec 2023

Cook Robert Donald II(1)

  • Form 3Initial statement of beneficial ownership15 Mar 2024

≥5% Ownership

PRUDENTIAL FINANCIAL INC(12)

  • SC 13G/AAssembly Biosciences, Inc.9 Feb 2021
  • SC 13G/AAssembly Biosciences, Inc.3 Feb 2020
  • SC 13G/AAssembly Biosciences, Inc.10 Apr 2019
  • SC 13G/AAssembly Biosciences, Inc.10 Apr 2019
  • SC 13G/AAssembly Biosciences, Inc.31 Jan 2019
  • SC 13G/AAssembly Biosciences, Inc.26 Jan 2018
  • SC 13G/AAssembly Biosciences, Inc.24 Jan 2017
  • SC 13G/AAssembly Biosciences, Inc.28 Jan 2016
  • SC 13G/AAssembly Biosciences, Inc.9 Apr 2015
  • SC 13GAssembly Biosciences, Inc.13 Feb 2015

JENNISON ASSOCIATES LLC(11)

  • SC 13G/AAssembly Biosciences, Inc.10 Feb 2021
  • SC 13G/AAssembly Biosciences, Inc.4 Feb 2020
  • SC 13G/AAssembly Biosciences, Inc.10 May 2019
  • SC 13G/AAssembly Biosciences, Inc.31 Jan 2019
  • SC 13G/AAssembly Biosciences, Inc.6 Feb 2018
  • SC 13G/AAssembly Biosciences, Inc.3 Feb 2017
  • SC 13G/AAssembly Biosciences, Inc.5 Feb 2016
  • SC 13G/AAssembly Biosciences, Inc.10 Apr 2015
  • SC 13GAssembly Biosciences, Inc.9 Feb 2015
  • SC 13G/AVentrus Biosciences Inc12 Feb 2013

Schornstein Alexander(8)

  • SC 13G/AAssembly Biosciences, Inc.18 Aug 2025
  • SC 13GAssembly Biosciences, Inc.12 Aug 2025
  • SC 13G/AAssembly Biosciences, Inc.23 Dec 2024
  • SC 13GAssembly Biosciences, Inc.23 Dec 2024
  • SC 13D/AAssembly Biosciences, Inc.24 Jun 2024
  • SC 13D/AAssembly Biosciences, Inc.22 Nov 2023
  • SC 13D/AAssembly Biosciences, Inc.3 Nov 2023
  • SC 13DAssembly Biosciences, Inc.31 Oct 2023

EcoR1 Capital, LLC(7)

  • SC 13GAssembly Biosciences, Inc.23 Dec 2019
  • SC 13G/AAssembly Biosciences, Inc.10 May 2019
  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2019
  • SC 13G/AAssembly Biosciences, Inc.12 Feb 2016
  • SC 13G/AAssembly Biosciences, Inc.9 Oct 2015
  • SC 13G/AAssembly Biosciences, Inc.17 Feb 2015
  • SC 13GAssembly Biosciences, Inc.8 Oct 2014

ARMISTICE CAPITAL, LLC(6)

  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2025
  • SC 13GAssembly Biosciences, Inc.14 Nov 2024
  • SC 13G/AAssembly Biosciences, Inc.15 Feb 2022
  • SC 13GAssembly Biosciences, Inc.16 Feb 2021
  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2020
  • SC 13GAssembly Biosciences, Inc.25 Apr 2019

GILEAD SCIENCES, INC.(5)

  • SC 13D/AAssembly Biosciences, Inc.27 May
  • SC 13D/AAssembly Biosciences, Inc.12 Aug 2025
  • SC 13D/AAssembly Biosciences, Inc.23 Dec 2024
  • SC 13D/AAssembly Biosciences, Inc.20 Jun 2024
  • SC 13DAssembly Biosciences, Inc.25 Oct 2023

RA CAPITAL MANAGEMENT, L.P.(5)

  • SC 13GAssembly Biosciences, Inc.18 Aug 2025
  • SC 13G/AVentrus Biosciences Inc14 Feb 2013
  • SC 13GVentrus Biosciences Inc3 Jul 2012
  • SC 13G/AVentrus Biosciences Inc14 Feb 2012
  • SC 13GVentrus Biosciences Inc12 Aug 2011

BlackRock Inc.(5)

  • SC 13G/AAssembly Biosciences, Inc.12 Jul 2021
  • SC 13G/AAssembly Biosciences, Inc.29 Jan 2021
  • SC 13G/AAssembly Biosciences, Inc.5 Feb 2020
  • SC 13G/AAssembly Biosciences, Inc.4 Feb 2019
  • SC 13GAssembly Biosciences, Inc.1 Feb 2018

Visium Asset Management, LP(5)

  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2017
  • SC 13G/AAssembly Biosciences, Inc.12 Feb 2016
  • SC 13G/AAssembly Biosciences, Inc.13 Feb 2015
  • SC 13G/AVentrus Biosciences Inc14 Feb 2014
  • SC 13GVentrus Biosciences Inc11 Feb 2013

Consonance Capital Management LP(5)

  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2022
  • SC 13GAssembly Biosciences, Inc.17 Feb 2021
  • SC 13GAssembly Biosciences, Inc.16 Feb 2021
  • SC 13GAssembly Biosciences, Inc.16 Feb 2021
  • SC 13GAssembly Biosciences, Inc.14 Feb 2020

ACUTA CAPITAL PARTNERS, LLC(5)

  • SC 13GAssembly Biosciences, Inc.14 Feb 2019
  • SC 13GAssembly Biosciences, Inc.14 Feb 2018
  • SC 13G/AAssembly Biosciences, Inc.3 Aug 2017
  • SC 13G/AAssembly Biosciences, Inc.16 Feb 2017
  • SC 13GAssembly Biosciences, Inc.13 Feb 2017

ELLIOTT ASSOCIATES, L.P.(4)

  • SC 13G/AVentrus Biosciences Inc14 Feb 2014
  • SC 13G/AVentrus Biosciences Inc14 Feb 2013
  • SC 13G/AVentrus Biosciences Inc14 Feb 2012
  • SC 13GVentrus Biosciences Inc27 Dec 2010

ORBIMED ADVISORS LLC(3)

  • SC 13G/AAssembly Biosciences, Inc.13 Feb 2019
  • SC 13G/AAssembly Biosciences, Inc.13 Feb 2018
  • SC 13GAssembly Biosciences, Inc.12 Feb 2016

BAKER BROS. ADVISORS LP(3)

  • SC 13G/AAssembly Biosciences, Inc.17 Feb 2015
  • SC 13GVentrus Biosciences Inc14 Feb 2014
  • SC 13GVentrus Biosciences Inc1 Feb 2013

Satter Muneer A(3)

  • SC 13G/AAssembly Biosciences, Inc.10 Feb 2022
  • SC 13G/AAssembly Biosciences, Inc.12 Feb 2021
  • SC 13GAssembly Biosciences, Inc.4 Jan 2021

Deep Track Capital, LP(3)

  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2023
  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2022
  • SC 13GAssembly Biosciences, Inc.12 Oct 2021

VANGUARD GROUP INC(2)

  • SC 13G/AAssembly Biosciences, Inc.9 Feb 2022
  • SC 13GAssembly Biosciences, Inc.10 Feb 2021

FMR LLC(2)

  • SC 13G/AVentrus Biosciences Inc13 Nov 2012
  • SC 13GVentrus Biosciences Inc14 Feb 2012

WELLINGTON MANAGEMENT GROUP LLP(2)

  • SC 13G/AAssembly Biosciences, Inc.8 Jan 2020
  • SC 13GAssembly Biosciences, Inc.12 Feb 2019

Farallon Capital Partners, L.P.(2)

  • SC 13G/AAssembly Biosciences, Inc.9 Feb
  • SC 13GAssembly Biosciences, Inc.15 Aug 2025

Janus Henderson Group Ltd.(2)

  • SC 13G/AAssembly Biosciences, Inc.13 Aug
  • SC 13GAssembly Biosciences, Inc.8 Dec 2025

GREAT POINT PARTNERS LLC(2)

  • SC 13G/AVentrus Biosciences Inc14 Feb 2013
  • SC 13GVentrus Biosciences Inc14 Feb 2012

QVT Financial LP(2)

  • SC 13G/AAssembly Biosciences, Inc.11 Feb 2016
  • SC 13GAssembly Biosciences, Inc.2 Jan 2015

SOPHROSYNE CAPITAL LLC(2)

  • SC 13G/AVentrus Biosciences Inc29 Jan 2014
  • SC 13GVentrus Biosciences Inc5 Feb 2013

Broadfin Capital, LLC(2)

  • SC 13G/AVentrus Biosciences Inc14 Feb 2014
  • SC 13GVentrus Biosciences Inc4 Feb 2013

SABBY MANAGEMENT, LLC(2)

  • SC 13G/AVentrus Biosciences Inc7 Jan 2014
  • SC 13GVentrus Biosciences Inc24 Jan 2013

Rock Springs Capital Management LP(2)

  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2020
  • SC 13GAssembly Biosciences, Inc.7 Oct 2019

Paradigm Biocapital Advisors LP(2)

  • SC 13G/AAssembly Biosciences, Inc.14 Aug
  • SC 13GAssembly Biosciences, Inc.11 May

FARALLON CAPITAL MANAGEMENT, L.L.C.(1)

  • SC 13G/AAssembly Biosciences, Inc.4 Aug

ROSENWALD LINDSAY A MD(1)

  • SC 13GVentrus Biosciences Inc2 Apr 2012

EcoR1 Capital Fund, L.P.(1)

  • SC 13G/AAssembly Biosciences, Inc.27 Jun 2016

Allianz Global Investors U.S. Holdings LLC(1)

  • SC 13G/AAssembly Biosciences, Inc.9 Oct 2015

VenBio Select Advisor LLC(1)

  • SC 13GAssembly Biosciences, Inc.12 Feb 2018

Commodore Capital LP(1)

  • SC 13GAssembly Biosciences, Inc.15 Aug 2025

Insider Ownership

RINGO WILLIAM R(25)

  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4OWNERSHIP DOCUMENT3 Jul 2018
  • Form 4OWNERSHIP DOCUMENT1 Jun 2018
  • Form 4Statement of changes in beneficial ownership2 May 2018

Okazaki Jason A(23)

  • Form 4Statement of changes in beneficial ownership3 Nov
  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership31 Mar
  • Form 4Statement of changes in beneficial ownership1 Apr 2025
  • Form 4Statement of changes in beneficial ownership4 Oct 2024
  • Form 4Statement of changes in beneficial ownership5 Aug 2024
  • Form 4Statement of changes in beneficial ownership24 May 2024
  • Form 4Statement of changes in beneficial ownership29 Apr 2024
  • Form 4Statement of changes in beneficial ownership2 Apr 2024
  • Form 4Statement of changes in beneficial ownership27 Mar 2024

Delaney William E IV(20)

  • Form 4Statement of changes in beneficial ownership3 Nov
  • Form 4Statement of changes in beneficial ownership31 Mar
  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership1 Apr 2025
  • Form 4Statement of changes in beneficial ownership29 Apr 2024
  • Form 4Statement of changes in beneficial ownership2 Apr 2024
  • Form 4Statement of changes in beneficial ownership4 Oct 2023
  • Form 4Statement of changes in beneficial ownership3 Aug 2023
  • Form 4Statement of changes in beneficial ownership23 Jun 2023
  • Form 4Statement of changes in beneficial ownership31 May 2023

ALTIG ANTHONY E(19)

  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4Statement of changes in beneficial ownership1 Jun 2018
  • Form 4OWNERSHIP DOCUMENT5 Jun 2017

McHutchison John G(18)

  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership15 Apr 2025
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership24 May 2024
  • Form 4Statement of changes in beneficial ownership2 Apr 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership24 May 2023
  • Form 4Statement of changes in beneficial ownership31 Mar 2023
  • Form 4Statement of changes in beneficial ownership10 Aug 2022

HOLUBIAK MYRON Z(14)

  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4OWNERSHIP DOCUMENT1 Jun 2018
  • Form 4OWNERSHIP DOCUMENT5 Jun 2017
  • Form 4OWNERSHIP DOCUMENT3 Jun 2016
  • Form 4OWNERSHIP DOCUMENT1 Jun 2015
  • Form 4/AStatement of changes in beneficial ownership (amendment)15 Apr 2015
  • Form 4/AStatement of changes in beneficial ownership (amendment)7 Oct 2014
  • Form 4Statement of changes in beneficial ownership14 Jul 2014

ELLISON RUSSELL H(14)

  • Form 4/AStatement of changes in beneficial ownership (amendment)7 Oct 2014
  • Form 4/AStatement of changes in beneficial ownership (amendment)15 Apr 2015
  • Form 4Statement of changes in beneficial ownership14 Jul 2014
  • Form 4Statement of changes in beneficial ownership28 May 2014
  • Form 4Statement of changes in beneficial ownership27 May 2014
  • Form 4Statement of changes in beneficial ownership22 May 2014
  • Form 4/AStatement of changes in beneficial ownership (amendment)12 Mar 2014
  • Form 4Statement of changes in beneficial ownership12 Mar 2014
  • Form 4/AStatement of changes in beneficial ownership (amendment)13 Mar 2014
  • Form 4Statement of changes in beneficial ownership9 Apr 2013

AUERBACH MARK(13)

  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4Statement of changes in beneficial ownership1 Jun 2018
  • Form 4OWNERSHIP DOCUMENT5 Jun 2017
  • Form 4OWNERSHIP DOCUMENT3 Jun 2016
  • Form 4OWNERSHIP DOCUMENT1 Jun 2015
  • Form 4/AStatement of changes in beneficial ownership (amendment)15 Apr 2015
  • Form 4Statement of changes in beneficial ownership14 Jul 2014
  • Form 4/AStatement of changes in beneficial ownership (amendment)7 Oct 2014
  • Form 4Statement of changes in beneficial ownership8 Mar 2013
  • Form 4Statement of changes in beneficial ownership10 Nov 2011

White Nicole S(13)

  • Form 4Statement of changes in beneficial ownership3 Nov
  • Form 4Statement of changes in beneficial ownership31 Mar
  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership1 Apr 2025
  • Form 4Statement of changes in beneficial ownership19 Nov 2024
  • Form 4Statement of changes in beneficial ownership4 Oct 2024
  • Form 4Statement of changes in beneficial ownership5 Aug 2024
  • Form 4Statement of changes in beneficial ownership24 May 2024
  • Form 4Statement of changes in beneficial ownership1 May 2024
  • Form 4Statement of changes in beneficial ownership2 Apr 2024

BARRETT DAVID JONATHAN(12)

  • Form 4OWNERSHIP DOCUMENT31 Mar 2017
  • Form 4/AStatement of changes in beneficial ownership (amendment)15 Apr 2015
  • Form 4/AStatement of changes in beneficial ownership (amendment)7 Oct 2014
  • Form 4Statement of changes in beneficial ownership14 Jul 2014
  • Form 4Statement of changes in beneficial ownership27 May 2014
  • Form 4Statement of changes in beneficial ownership21 May 2014
  • Form 4/AStatement of changes in beneficial ownership (amendment)13 Mar 2014
  • Form 4Statement of changes in beneficial ownership12 Mar 2014
  • Form 4Statement of changes in beneficial ownership9 Apr 2013
  • Form 4Statement of changes in beneficial ownership18 Jan 2012

Bjorkquist Jeanette M(12)

  • Form 4Statement of changes in beneficial ownership3 Nov
  • Form 4Statement of changes in beneficial ownership18 Jun
  • Form 4Statement of changes in beneficial ownership31 Mar
  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership17 Jun 2025
  • Form 4Statement of changes in beneficial ownership1 Apr 2025
  • Form 4Statement of changes in beneficial ownership24 May 2024
  • Form 4Statement of changes in beneficial ownership2 Apr 2024
  • Form 4Statement of changes in beneficial ownership25 Jul 2023
  • Form 4Statement of changes in beneficial ownership24 May 2023

DiMarchi Richard D(11)

  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4Statement of changes in beneficial ownership1 Jun 2018
  • Form 4OWNERSHIP DOCUMENT5 Jun 2017
  • Form 4OWNERSHIP DOCUMENT3 Jun 2016
  • Form 4OWNERSHIP DOCUMENT1 Jun 2015
  • Form 3Initial statement of beneficial ownership14 Jul 2014
  • Form 4Statement of changes in beneficial ownership14 Jul 2014

Mahony Susan(11)

  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4Statement of changes in beneficial ownership1 Jun 2018
  • Form 3Initial statement of beneficial ownership18 Dec 2017

Colonno Richard James(11)

  • Form 4Statement of changes in beneficial ownership31 Mar 2020
  • Form 4Statement of changes in beneficial ownership16 Dec 2019
  • Form 4OWNERSHIP DOCUMENT2 Apr 2019
  • Form 4OWNERSHIP DOCUMENT14 Dec 2018
  • Form 4OWNERSHIP DOCUMENT26 Nov 2018
  • Form 4OWNERSHIP DOCUMENT20 Jul 2018
  • Form 4Statement of changes in beneficial ownership30 Mar 2018
  • Form 4OWNERSHIP DOCUMENT3 Jan 2018
  • Form 4OWNERSHIP DOCUMENT31 Mar 2017
  • Form 4OWNERSHIP DOCUMENT12 Jan 2016

Small Derek A(9)

  • Form 4Statement of changes in beneficial ownership3 Jan 2020
  • Form 4OWNERSHIP DOCUMENT2 Apr 2019
  • Form 4Statement of changes in beneficial ownership20 Jul 2018
  • Form 4Statement of changes in beneficial ownership30 Mar 2018
  • Form 4OWNERSHIP DOCUMENT31 Mar 2017
  • Form 4OWNERSHIP DOCUMENT12 Feb 2016
  • Form 3/AInitial statement of beneficial ownership (amendment)15 Jul 2014
  • Form 3Initial statement of beneficial ownership14 Jul 2014
  • Form 3/AInitial statement of beneficial ownership (amendment)15 Apr 2015

Consylman Gina(8)

  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 3Initial statement of beneficial ownership21 Oct 2020
  • Form 4Statement of changes in beneficial ownership21 Oct 2020

Lopatin Uri A(8)

  • Form 4OWNERSHIP DOCUMENT2 Apr 2019
  • Form 4OWNERSHIP DOCUMENT7 Sep 2018
  • Form 4Statement of changes in beneficial ownership30 Mar 2018
  • Form 4OWNERSHIP DOCUMENT31 Mar 2017
  • Form 5OWNERSHIP DOCUMENT11 Feb 2016
  • Form 3Initial statement of beneficial ownership14 Jul 2014
  • Form 4/AStatement of changes in beneficial ownership (amendment)7 Oct 2014
  • Form 4Statement of changes in beneficial ownership14 Jul 2014

Papkoff Jacqueline Sybil(8)

  • Form 4Statement of changes in beneficial ownership15 Dec 2020
  • Form 4Statement of changes in beneficial ownership31 Mar 2020
  • Form 4Statement of changes in beneficial ownership16 Dec 2019
  • Form 4Statement of changes in beneficial ownership1 Oct 2019
  • Form 4OWNERSHIP DOCUMENT2 Apr 2019
  • Form 4OWNERSHIP DOCUMENT14 Dec 2018
  • Form 4Statement of changes in beneficial ownership2 Apr 2018
  • Form 3Initial statement of beneficial ownership2 Apr 2018

Houghton Michael(8)

  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership31 Dec 2024
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership20 Jul 2021
  • Form 3Initial statement of beneficial ownership20 Jul 2021

LEWIS ALAN(7)

  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4OWNERSHIP DOCUMENT1 Jun 2018
  • Form 4OWNERSHIP DOCUMENT5 Jun 2017
  • Form 4OWNERSHIP DOCUMENT3 Jun 2016
  • Form 4OWNERSHIP DOCUMENT21 Dec 2015
  • Form 3OWNERSHIP DOCUMENT21 Dec 2015

Johnson-Pratt Lisa(7)

  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership9 Jun 2025
  • Form 4Statement of changes in beneficial ownership30 May 2024
  • Form 4Statement of changes in beneficial ownership30 May 2023
  • Form 4Statement of changes in beneficial ownership27 May 2022
  • Form 4Statement of changes in beneficial ownership24 May 2021
  • Form 3Initial statement of beneficial ownership24 May 2021

Samar Michael P.(6)

  • Form 4Statement of changes in beneficial ownership26 Jul 2022
  • Form 4Statement of changes in beneficial ownership31 Mar 2022
  • Form 4Statement of changes in beneficial ownership22 Jul 2021
  • Form 3Initial statement of beneficial ownership4 Jun 2021
  • Form 4Statement of changes in beneficial ownership1 Oct 2019
  • Form 3OWNERSHIP DOCUMENT9 May 2019

Schornstein Alexander(6)

  • Form 4Statement of changes in beneficial ownership22 Nov 2024
  • Form 4Statement of changes in beneficial ownership9 Oct 2024
  • Form 4Statement of changes in beneficial ownership8 Jul 2024
  • Form 4Statement of changes in beneficial ownership19 Jan 2024
  • Form 4Statement of changes in beneficial ownership22 Nov 2023
  • Form 3PRIMARY DOCUMENT31 Oct 2023

Gaggar Anuj(6)

  • Form 4Statement of changes in beneficial ownership3 Nov
  • Form 4Statement of changes in beneficial ownership5 Jun
  • Form 4Statement of changes in beneficial ownership31 Mar
  • Form 4Statement of changes in beneficial ownership1 Apr 2025
  • Form 4Statement of changes in beneficial ownership13 Nov 2023
  • Form 3Initial statement of beneficial ownership13 Nov 2023

GILEAD SCIENCES, INC.(5)

  • Form 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES27 May
  • Form 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES3 Oct 2025
  • Form 4Statement of changes in beneficial ownership23 Dec 2024
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 3PRIMARY DOCUMENT25 Oct 2023

Kim Helen Susan(5)

  • Form 4Statement of changes in beneficial ownership15 Jun 2020
  • Form 4OWNERSHIP DOCUMENT17 May 2019
  • Form 4OWNERSHIP DOCUMENT1 Jun 2018
  • Form 4OWNERSHIP DOCUMENT12 Mar 2018
  • Form 3OWNERSHIP DOCUMENT12 Mar 2018

Felder Joseph(5)

  • Form 4Statement of changes in beneficial ownership8 Mar 2013
  • Form 4Statement of changes in beneficial ownership10 Nov 2011
  • Form 4/AStatement of changes in beneficial ownership (amendment)15 Nov 2011
  • Form 3/AInitial statement of beneficial ownership (amendment)23 Dec 2010
  • Form 3Initial statement of beneficial ownership15 Dec 2010

Rollins Thomas E(5)

  • Form 4Statement of changes in beneficial ownership30 Mar 2018
  • Form 4OWNERSHIP DOCUMENT31 Mar 2017
  • Form 4OWNERSHIP DOCUMENT3 Jun 2016
  • Form 4OWNERSHIP DOCUMENT19 Feb 2016
  • Form 3OWNERSHIP DOCUMENT19 Feb 2016

Stamm Luisa M(5)

  • Form 4Statement of changes in beneficial ownership31 Mar 2022
  • Form 4Statement of changes in beneficial ownership2 Apr 2021
  • Form 4Statement of changes in beneficial ownership10 Nov 2020
  • Form 4Statement of changes in beneficial ownership7 Nov 2019
  • Form 3Initial statement of beneficial ownership7 Nov 2019

COOPER GRAHAM K(4)

  • Form 4OWNERSHIP DOCUMENT2 Apr 2019
  • Form 4OWNERSHIP DOCUMENT14 Dec 2018
  • Form 4Statement of changes in beneficial ownership12 Mar 2018
  • Form 3Initial statement of beneficial ownership12 Mar 2018

Rowland Thomas Andrew(4)

  • Form 4Statement of changes in beneficial ownership18 Jan 2012
  • Form 4Statement of changes in beneficial ownership27 Jan 2011
  • Form 3/AInitial statement of beneficial ownership (amendment)23 Dec 2010
  • Form 3Initial statement of beneficial ownership15 Dec 2010

Russo Thomas Joseph(4)

  • Form 4Statement of changes in beneficial ownership2 Apr 2021
  • Form 4Statement of changes in beneficial ownership31 Mar 2020
  • Form 4Statement of changes in beneficial ownership28 Oct 2019
  • Form 3Initial statement of beneficial ownership28 Oct 2019

EcoR1 Capital Fund Qualified, L.P.(3)

  • Form 4Statement of changes in beneficial ownership18 Apr 2018
  • Form 4Statement of changes in beneficial ownership17 Apr 2018
  • Form 3Initial statement of beneficial ownership27 Jun 2016

Arnold Lee D(3)

  • Form 3/AInitial statement of beneficial ownership (amendment)15 Apr 2015
  • Form 3/AInitial statement of beneficial ownership (amendment)15 Jul 2014
  • Form 3Initial statement of beneficial ownership14 Jul 2014

Zlotnick Adam(2)

  • Form 3Initial statement of beneficial ownership9 Sep 2014
  • Form 4Statement of changes in beneficial ownership9 Sep 2014

Barbosa Miguel(1)

  • Form 3Initial statement of beneficial ownership7 Oct 2016

Cihlar Tomas(1)

  • Form 3Initial statement of beneficial ownership11 Dec 2023

Cook Robert Donald II(1)

  • Form 3Initial statement of beneficial ownership15 Mar 2024

≥5% Ownership

PRUDENTIAL FINANCIAL INC(12)

  • SC 13G/AAssembly Biosciences, Inc.9 Feb 2021
  • SC 13G/AAssembly Biosciences, Inc.3 Feb 2020
  • SC 13G/AAssembly Biosciences, Inc.10 Apr 2019
  • SC 13G/AAssembly Biosciences, Inc.10 Apr 2019
  • SC 13G/AAssembly Biosciences, Inc.31 Jan 2019
  • SC 13G/AAssembly Biosciences, Inc.26 Jan 2018
  • SC 13G/AAssembly Biosciences, Inc.24 Jan 2017
  • SC 13G/AAssembly Biosciences, Inc.28 Jan 2016
  • SC 13G/AAssembly Biosciences, Inc.9 Apr 2015
  • SC 13GAssembly Biosciences, Inc.13 Feb 2015

JENNISON ASSOCIATES LLC(11)

  • SC 13G/AAssembly Biosciences, Inc.10 Feb 2021
  • SC 13G/AAssembly Biosciences, Inc.4 Feb 2020
  • SC 13G/AAssembly Biosciences, Inc.10 May 2019
  • SC 13G/AAssembly Biosciences, Inc.31 Jan 2019
  • SC 13G/AAssembly Biosciences, Inc.6 Feb 2018
  • SC 13G/AAssembly Biosciences, Inc.3 Feb 2017
  • SC 13G/AAssembly Biosciences, Inc.5 Feb 2016
  • SC 13G/AAssembly Biosciences, Inc.10 Apr 2015
  • SC 13GAssembly Biosciences, Inc.9 Feb 2015
  • SC 13G/AVentrus Biosciences Inc12 Feb 2013

Schornstein Alexander(8)

  • SC 13G/AAssembly Biosciences, Inc.18 Aug 2025
  • SC 13GAssembly Biosciences, Inc.12 Aug 2025
  • SC 13G/AAssembly Biosciences, Inc.23 Dec 2024
  • SC 13GAssembly Biosciences, Inc.23 Dec 2024
  • SC 13D/AAssembly Biosciences, Inc.24 Jun 2024
  • SC 13D/AAssembly Biosciences, Inc.22 Nov 2023
  • SC 13D/AAssembly Biosciences, Inc.3 Nov 2023
  • SC 13DAssembly Biosciences, Inc.31 Oct 2023

EcoR1 Capital, LLC(7)

  • SC 13GAssembly Biosciences, Inc.23 Dec 2019
  • SC 13G/AAssembly Biosciences, Inc.10 May 2019
  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2019
  • SC 13G/AAssembly Biosciences, Inc.12 Feb 2016
  • SC 13G/AAssembly Biosciences, Inc.9 Oct 2015
  • SC 13G/AAssembly Biosciences, Inc.17 Feb 2015
  • SC 13GAssembly Biosciences, Inc.8 Oct 2014

ARMISTICE CAPITAL, LLC(6)

  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2025
  • SC 13GAssembly Biosciences, Inc.14 Nov 2024
  • SC 13G/AAssembly Biosciences, Inc.15 Feb 2022
  • SC 13GAssembly Biosciences, Inc.16 Feb 2021
  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2020
  • SC 13GAssembly Biosciences, Inc.25 Apr 2019

GILEAD SCIENCES, INC.(5)

  • SC 13D/AAssembly Biosciences, Inc.27 May
  • SC 13D/AAssembly Biosciences, Inc.12 Aug 2025
  • SC 13D/AAssembly Biosciences, Inc.23 Dec 2024
  • SC 13D/AAssembly Biosciences, Inc.20 Jun 2024
  • SC 13DAssembly Biosciences, Inc.25 Oct 2023

RA CAPITAL MANAGEMENT, L.P.(5)

  • SC 13GAssembly Biosciences, Inc.18 Aug 2025
  • SC 13G/AVentrus Biosciences Inc14 Feb 2013
  • SC 13GVentrus Biosciences Inc3 Jul 2012
  • SC 13G/AVentrus Biosciences Inc14 Feb 2012
  • SC 13GVentrus Biosciences Inc12 Aug 2011

BlackRock Inc.(5)

  • SC 13G/AAssembly Biosciences, Inc.12 Jul 2021
  • SC 13G/AAssembly Biosciences, Inc.29 Jan 2021
  • SC 13G/AAssembly Biosciences, Inc.5 Feb 2020
  • SC 13G/AAssembly Biosciences, Inc.4 Feb 2019
  • SC 13GAssembly Biosciences, Inc.1 Feb 2018

Visium Asset Management, LP(5)

  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2017
  • SC 13G/AAssembly Biosciences, Inc.12 Feb 2016
  • SC 13G/AAssembly Biosciences, Inc.13 Feb 2015
  • SC 13G/AVentrus Biosciences Inc14 Feb 2014
  • SC 13GVentrus Biosciences Inc11 Feb 2013

Consonance Capital Management LP(5)

  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2022
  • SC 13GAssembly Biosciences, Inc.17 Feb 2021
  • SC 13GAssembly Biosciences, Inc.16 Feb 2021
  • SC 13GAssembly Biosciences, Inc.16 Feb 2021
  • SC 13GAssembly Biosciences, Inc.14 Feb 2020

ACUTA CAPITAL PARTNERS, LLC(5)

  • SC 13GAssembly Biosciences, Inc.14 Feb 2019
  • SC 13GAssembly Biosciences, Inc.14 Feb 2018
  • SC 13G/AAssembly Biosciences, Inc.3 Aug 2017
  • SC 13G/AAssembly Biosciences, Inc.16 Feb 2017
  • SC 13GAssembly Biosciences, Inc.13 Feb 2017

ELLIOTT ASSOCIATES, L.P.(4)

  • SC 13G/AVentrus Biosciences Inc14 Feb 2014
  • SC 13G/AVentrus Biosciences Inc14 Feb 2013
  • SC 13G/AVentrus Biosciences Inc14 Feb 2012
  • SC 13GVentrus Biosciences Inc27 Dec 2010

ORBIMED ADVISORS LLC(3)

  • SC 13G/AAssembly Biosciences, Inc.13 Feb 2019
  • SC 13G/AAssembly Biosciences, Inc.13 Feb 2018
  • SC 13GAssembly Biosciences, Inc.12 Feb 2016

BAKER BROS. ADVISORS LP(3)

  • SC 13G/AAssembly Biosciences, Inc.17 Feb 2015
  • SC 13GVentrus Biosciences Inc14 Feb 2014
  • SC 13GVentrus Biosciences Inc1 Feb 2013

Satter Muneer A(3)

  • SC 13G/AAssembly Biosciences, Inc.10 Feb 2022
  • SC 13G/AAssembly Biosciences, Inc.12 Feb 2021
  • SC 13GAssembly Biosciences, Inc.4 Jan 2021

Deep Track Capital, LP(3)

  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2023
  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2022
  • SC 13GAssembly Biosciences, Inc.12 Oct 2021

VANGUARD GROUP INC(2)

  • SC 13G/AAssembly Biosciences, Inc.9 Feb 2022
  • SC 13GAssembly Biosciences, Inc.10 Feb 2021

FMR LLC(2)

  • SC 13G/AVentrus Biosciences Inc13 Nov 2012
  • SC 13GVentrus Biosciences Inc14 Feb 2012

WELLINGTON MANAGEMENT GROUP LLP(2)

  • SC 13G/AAssembly Biosciences, Inc.8 Jan 2020
  • SC 13GAssembly Biosciences, Inc.12 Feb 2019

Farallon Capital Partners, L.P.(2)

  • SC 13G/AAssembly Biosciences, Inc.9 Feb
  • SC 13GAssembly Biosciences, Inc.15 Aug 2025

Janus Henderson Group Ltd.(2)

  • SC 13G/AAssembly Biosciences, Inc.13 Aug
  • SC 13GAssembly Biosciences, Inc.8 Dec 2025

GREAT POINT PARTNERS LLC(2)

  • SC 13G/AVentrus Biosciences Inc14 Feb 2013
  • SC 13GVentrus Biosciences Inc14 Feb 2012

QVT Financial LP(2)

  • SC 13G/AAssembly Biosciences, Inc.11 Feb 2016
  • SC 13GAssembly Biosciences, Inc.2 Jan 2015

SOPHROSYNE CAPITAL LLC(2)

  • SC 13G/AVentrus Biosciences Inc29 Jan 2014
  • SC 13GVentrus Biosciences Inc5 Feb 2013

Broadfin Capital, LLC(2)

  • SC 13G/AVentrus Biosciences Inc14 Feb 2014
  • SC 13GVentrus Biosciences Inc4 Feb 2013

SABBY MANAGEMENT, LLC(2)

  • SC 13G/AVentrus Biosciences Inc7 Jan 2014
  • SC 13GVentrus Biosciences Inc24 Jan 2013

Rock Springs Capital Management LP(2)

  • SC 13G/AAssembly Biosciences, Inc.14 Feb 2020
  • SC 13GAssembly Biosciences, Inc.7 Oct 2019

Paradigm Biocapital Advisors LP(2)

  • SC 13G/AAssembly Biosciences, Inc.14 Aug
  • SC 13GAssembly Biosciences, Inc.11 May

FARALLON CAPITAL MANAGEMENT, L.L.C.(1)

  • SC 13G/AAssembly Biosciences, Inc.4 Aug

ROSENWALD LINDSAY A MD(1)

  • SC 13GVentrus Biosciences Inc2 Apr 2012

EcoR1 Capital Fund, L.P.(1)

  • SC 13G/AAssembly Biosciences, Inc.27 Jun 2016

Allianz Global Investors U.S. Holdings LLC(1)

  • SC 13G/AAssembly Biosciences, Inc.9 Oct 2015

VenBio Select Advisor LLC(1)

  • SC 13GAssembly Biosciences, Inc.12 Feb 2018

Commodore Capital LP(1)

  • SC 13GAssembly Biosciences, Inc.15 Aug 2025