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Osi Systems Inc(OSIS US)

$208.17+7.503.74%Ext:$208.08-0.090.04%(Pre-Market · 11:00:12 UTC)
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OSIS US​
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SEC Filings by Owner

Insider Ownership

CHOPRA DEEPAK(178)

  • 4Statement of changes in beneficial ownership25 Aug
  • 4Statement of changes in beneficial ownership21 Aug
  • 4Statement of changes in beneficial ownership21 Jul
  • 4Statement of changes in beneficial ownership5 May
  • 4Statement of changes in beneficial ownership4 Feb
  • 4Statement of changes in beneficial ownership2 Jan
  • 4Statement of changes in beneficial ownership12 Nov 2025
  • 4Statement of changes in beneficial ownership2 Oct 2025
  • 4Statement of changes in beneficial ownership22 Sep 2025
  • 4Statement of changes in beneficial ownership28 Aug 2025

MEHRA AJAY(149)

  • 4Statement of changes in beneficial ownership25 Aug
  • 4Statement of changes in beneficial ownership4 Aug
  • 4Statement of changes in beneficial ownership1 Jul
  • 4Statement of changes in beneficial ownership2 Jan
  • 4Statement of changes in beneficial ownership12 Dec 2025
  • 4Statement of changes in beneficial ownership28 Aug 2025
  • 4Statement of changes in beneficial ownership5 Aug 2025
  • 4Statement of changes in beneficial ownership1 Jul 2025
  • 4Statement of changes in beneficial ownership2 Jan 2025
  • 4Statement of changes in beneficial ownership6 Dec 2024

SZE VICTOR S(129)

  • 4Statement of changes in beneficial ownership26 Aug
  • 4Statement of changes in beneficial ownership4 Aug
  • 4Statement of changes in beneficial ownership1 Jul
  • 4Statement of changes in beneficial ownership2 Jan
  • 4Statement of changes in beneficial ownership16 Dec 2025
  • 4Statement of changes in beneficial ownership28 Aug 2025
  • 4Statement of changes in beneficial ownership5 Aug 2025
  • 4Statement of changes in beneficial ownership1 Jul 2025
  • 4Statement of changes in beneficial ownership2 Jan 2025
  • 4Statement of changes in beneficial ownership30 Aug 2024

EDRICK ALAN I(114)

  • 4Statement of changes in beneficial ownership25 Aug
  • 4Statement of changes in beneficial ownership4 Aug
  • 4Statement of changes in beneficial ownership1 Jul
  • 4Statement of changes in beneficial ownership2 Jan
  • 4Statement of changes in beneficial ownership29 Dec 2025
  • 4Statement of changes in beneficial ownership28 Aug 2025
  • 4Statement of changes in beneficial ownership5 Aug 2025
  • 4Statement of changes in beneficial ownership1 Jul 2025
  • 4Statement of changes in beneficial ownership15 May 2025
  • 4Statement of changes in beneficial ownership2 Jan 2025

ALIABADI MANOOCHER M(81)

  • 4Statement of changes in beneficial ownership13 Dec 2024
  • 4Statement of changes in beneficial ownership6 Dec 2024
  • 4Statement of changes in beneficial ownership30 Aug 2024
  • 4Statement of changes in beneficial ownership16 Aug 2024
  • 4Statement of changes in beneficial ownership22 May 2024
  • 4Statement of changes in beneficial ownership7 Sep 2023
  • 4Statement of changes in beneficial ownership1 Aug 2023
  • 4Statement of changes in beneficial ownership16 Jun 2023
  • 4Statement of changes in beneficial ownership13 Mar 2023
  • 4Statement of changes in beneficial ownership26 Aug 2022

GOOD STEVEN C(67)

  • 4Statement of changes in beneficial ownership8 Jul 2022
  • 4OWNERSHIP DOCUMENT9 Jul 2021
  • 4Statement of changes in beneficial ownership3 Mar 2021
  • 4Statement of changes in beneficial ownership31 Dec 2020
  • 4Statement of changes in beneficial ownership14 Sep 2020
  • 4Statement of changes in beneficial ownership10 Jul 2020
  • 4Statement of changes in beneficial ownership7 Feb 2020
  • 4Statement of changes in beneficial ownership9 Dec 2019
  • 4Statement of changes in beneficial ownership8 Jul 2019
  • 4Statement of changes in beneficial ownership31 Jan 2019

LUSKIN MEYER/(64)

  • 4Statement of changes in beneficial ownership22 Aug 2025
  • 4Statement of changes in beneficial ownership13 Jun 2025
  • 4Statement of changes in beneficial ownership12 Dec 2024
  • 4Statement of changes in beneficial ownership16 Aug 2024
  • 4Statement of changes in beneficial ownership29 Apr 2024
  • 4Statement of changes in beneficial ownership1 Aug 2023
  • 4Statement of changes in beneficial ownership8 Jul 2022
  • 4OWNERSHIP DOCUMENT9 Jul 2021
  • 4Statement of changes in beneficial ownership10 Jul 2020
  • 4Statement of changes in beneficial ownership28 Aug 2019

Morben Paul Keith(49)

  • 4Statement of changes in beneficial ownership26 Aug
  • 4Statement of changes in beneficial ownership4 Aug
  • 4Statement of changes in beneficial ownership1 Jul
  • 4Statement of changes in beneficial ownership2 Jan
  • 4Statement of changes in beneficial ownership7 Nov 2025
  • 4Statement of changes in beneficial ownership14 Oct 2025
  • 4Statement of changes in beneficial ownership5 Sep 2025
  • 4Statement of changes in beneficial ownership28 Aug 2025
  • 4Statement of changes in beneficial ownership5 Aug 2025
  • 4Statement of changes in beneficial ownership1 Jul 2025

Ballhaus William Francis JR(46)

  • 4Statement of changes in beneficial ownership21 Jul
  • 4Statement of changes in beneficial ownership6 Nov 2025
  • 4Statement of changes in beneficial ownership15 Sep 2025
  • 4Statement of changes in beneficial ownership22 Aug 2025
  • 4Statement of changes in beneficial ownership22 Aug 2025
  • 4Statement of changes in beneficial ownership22 Aug 2025
  • 4Statement of changes in beneficial ownership18 Jul 2025
  • 4Statement of changes in beneficial ownership22 May 2025
  • 4Statement of changes in beneficial ownership7 May 2025
  • 4Statement of changes in beneficial ownership11 Feb 2025

HAWKINS JAMES B(29)

  • 4Statement of changes in beneficial ownership21 Aug
  • 4Statement of changes in beneficial ownership17 Aug
  • 4Statement of changes in beneficial ownership29 Jul
  • 4Statement of changes in beneficial ownership21 Jul
  • 4Statement of changes in beneficial ownership7 Jul
  • 4Statement of changes in beneficial ownership16 Dec 2025
  • 4Statement of changes in beneficial ownership7 Nov 2025
  • 4Statement of changes in beneficial ownership22 Aug 2025
  • 4Statement of changes in beneficial ownership15 Aug 2025
  • 4Statement of changes in beneficial ownership31 Jul 2025

Grindstaff Glenn(28)

  • 4Statement of changes in beneficial ownership25 Aug
  • 4Statement of changes in beneficial ownership4 Aug
  • 4Statement of changes in beneficial ownership1 Jul
  • 4Statement of changes in beneficial ownership28 Aug 2025
  • 4Statement of changes in beneficial ownership5 Aug 2025
  • 4Statement of changes in beneficial ownership9 May 2025
  • 4Statement of changes in beneficial ownership30 Aug 2024
  • 4Statement of changes in beneficial ownership16 Aug 2024
  • 4Statement of changes in beneficial ownership25 Jun 2024
  • 4Statement of changes in beneficial ownership14 Sep 2023

Chandra Shalabh(24)

  • 4Statement of changes in beneficial ownership2 Jan 2025
  • 4Statement of changes in beneficial ownership30 Aug 2024
  • 4Statement of changes in beneficial ownership1 Jul 2024
  • 4Statement of changes in beneficial ownership14 Jun 2024
  • 4Statement of changes in beneficial ownership2 Jan 2024
  • 4Statement of changes in beneficial ownership18 Sep 2023
  • 4Statement of changes in beneficial ownership7 Sep 2023
  • 4Statement of changes in beneficial ownership1 Aug 2023
  • 4Statement of changes in beneficial ownership5 Jul 2023
  • 4Statement of changes in beneficial ownership4 Jan 2023

CHIZEVER GERALD M(23)

  • 4Statement of changes in beneficial ownership21 Aug
  • 4Statement of changes in beneficial ownership17 Aug
  • 4Statement of changes in beneficial ownership29 Jul
  • 4Statement of changes in beneficial ownership21 Jul
  • 4Statement of changes in beneficial ownership7 Jul
  • 4Statement of changes in beneficial ownership22 Aug 2025
  • 4Statement of changes in beneficial ownership27 Jan 2025
  • 4Statement of changes in beneficial ownership12 Nov 2024
  • 4Statement of changes in beneficial ownership13 Sep 2024
  • 4Statement of changes in beneficial ownership16 Aug 2024

Merritt Richard Edward(22)

  • 4Statement of changes in beneficial ownership25 Jul 2018
  • 4Statement of changes in beneficial ownership6 Jul 2018
  • 4Statement of changes in beneficial ownership2 Jul 2018
  • 4Statement of changes in beneficial ownership3 Jan 2018
  • 4Statement of changes in beneficial ownership31 Oct 2017
  • 4Statement of changes in beneficial ownership21 Sep 2017
  • 4Statement of changes in beneficial ownership16 Aug 2017
  • 4Statement of changes in beneficial ownership25 Jul 2017
  • 4Statement of changes in beneficial ownership3 Jul 2017
  • 4Statement of changes in beneficial ownership3 Jan 2017

VISWANATHAN CHAND R(20)

  • 4Statement of changes in beneficial ownership24 Mar 2010
  • 4Statement of changes in beneficial ownership3 Mar 2010
  • 4Statement of changes in beneficial ownership25 Sep 2009
  • 4Statement of changes in beneficial ownership11 Sep 2009
  • 4Statement of changes in beneficial ownership6 Aug 2008
  • 4Statement of changes in beneficial ownership24 Jan 2008
  • 4Statement of changes in beneficial ownership20 Sep 2007
  • 4Statement of changes in beneficial ownership26 Mar 2007
  • 4Statement of changes in beneficial ownership30 Jan 2007
  • 4Statement of changes in beneficial ownership1 Dec 2006

SYAL MADAN(17)

  • 4Statement of changes in beneficial ownership17 Feb 2004
  • 4/AStatement of changes in beneficial ownership (amendment)14 Jul 2003
  • 4Statement of changes in beneficial ownership30 Jun 2003
  • 5Annual statement of beneficial ownership12 Aug 2002
  • 4Statement of changes in beneficial ownership21 Mar 2002
  • 4Statement of changes in beneficial ownership8 Mar 2002
  • 4Statement of changes in beneficial ownership10 Oct 2001
  • 5Annual statement of beneficial ownership14 Aug 2001
  • 4Statement of changes in beneficial ownership11 Apr 2000
  • 4/AStatement of changes in beneficial ownership (amendment)7 Feb 2001

Maginnis Malcolm Peter(16)

  • 4Statement of changes in beneficial ownership29 Aug 2022
  • 4Statement of changes in beneficial ownership26 Aug 2022
  • 4OWNERSHIP DOCUMENT2 Sep 2021
  • 4OWNERSHIP DOCUMENT25 Aug 2021
  • 4OWNERSHIP DOCUMENT9 Jul 2021
  • 4Statement of changes in beneficial ownership31 Aug 2020
  • 4Statement of changes in beneficial ownership25 Aug 2020
  • 4Statement of changes in beneficial ownership10 Jul 2020
  • 4Statement of changes in beneficial ownership31 Oct 2019
  • 4Statement of changes in beneficial ownership30 Sep 2019

KOTOWSKI ANDREAS F(15)

  • 4Statement of changes in beneficial ownership16 Dec 2004
  • 4Statement of changes in beneficial ownership13 Dec 2004
  • 4Statement of changes in beneficial ownership3 Dec 2004
  • 4Statement of changes in beneficial ownership29 Apr 2004
  • 4Statement of changes in beneficial ownership13 Nov 2003
  • 4Statement of changes in beneficial ownership30 Jun 2003
  • 4Statement of changes in beneficial ownership7 Jan 2003
  • 5Annual statement of beneficial ownership12 Aug 2002
  • 4Statement of changes in beneficial ownership3 Apr 2002
  • 4Statement of changes in beneficial ownership4 Mar 2002

Okawa Cary M.(15)

  • 4Statement of changes in beneficial ownership26 Aug
  • 4Statement of changes in beneficial ownership25 Aug
  • 4Statement of changes in beneficial ownership4 Aug
  • 4Statement of changes in beneficial ownership1 Jul
  • 4Statement of changes in beneficial ownership2 Jan
  • 4Statement of changes in beneficial ownership25 Nov 2025
  • 4Statement of changes in beneficial ownership28 Aug 2025
  • 4Statement of changes in beneficial ownership25 Aug 2025
  • 4Statement of changes in beneficial ownership5 Aug 2025
  • 4Statement of changes in beneficial ownership1 Jul 2025

Bernard Kelli(15)

  • 4Statement of changes in beneficial ownership21 Aug
  • 4Statement of changes in beneficial ownership17 Aug
  • 4Statement of changes in beneficial ownership29 Jul
  • 4Statement of changes in beneficial ownership21 Jul
  • 4Statement of changes in beneficial ownership7 Jul
  • 4Statement of changes in beneficial ownership22 Aug 2025
  • 4Statement of changes in beneficial ownership15 Aug 2025
  • 4Statement of changes in beneficial ownership31 Jul 2025
  • 4Statement of changes in beneficial ownership16 Aug 2024
  • 4Statement of changes in beneficial ownership1 Aug 2023

WADHAWAN ANJU(13)

  • 4Statement of changes in beneficial ownership16 Jan 2007
  • 4Statement of changes in beneficial ownership20 Sep 2006
  • 4Statement of changes in beneficial ownership22 Aug 2006
  • 4Statement of changes in beneficial ownership13 Apr 2006
  • 4Statement of changes in beneficial ownership23 Mar 2006
  • 4Statement of changes in beneficial ownership10 Mar 2006
  • 4Statement of changes in beneficial ownership15 Nov 2005
  • 4Statement of changes in beneficial ownership3 Feb 2005
  • 4Statement of changes in beneficial ownership30 Nov 2004
  • 4Statement of changes in beneficial ownership14 Jul 2004

Ong Chee Cheong Nicholas(13)

  • 4Statement of changes in beneficial ownership12 Feb 2016
  • 4Statement of changes in beneficial ownership5 Jan 2016
  • 4Statement of changes in beneficial ownership2 Dec 2015
  • 4/AStatement of changes in beneficial ownership (amendment)4 Dec 2015
  • 4Statement of changes in beneficial ownership15 Sep 2015
  • 4Statement of changes in beneficial ownership9 Sep 2015
  • 4Statement of changes in beneficial ownership8 Jul 2015
  • 4Statement of changes in beneficial ownership2 Jul 2015
  • 4Statement of changes in beneficial ownership12 Feb 2015
  • 4Statement of changes in beneficial ownership6 Jan 2015

HICKMAN THOMAS K(9)

  • 5Annual statement of beneficial ownership11 Apr 2003
  • 5Annual statement of beneficial ownership12 Aug 2002
  • 4Statement of changes in beneficial ownership10 Dec 2001
  • 4Statement of changes in beneficial ownership17 Jul 2001
  • 5Annual statement of beneficial ownership14 Aug 2001
  • 4Statement of changes in beneficial ownership11 Apr 2000
  • 4Statement of changes in beneficial ownership10 Feb 2000
  • 4Statement of changes in beneficial ownership12 Jan 1998
  • 3Initial statement of beneficial ownership3 Oct 1997

Bider Leslie E(7)

  • 4Statement of changes in beneficial ownership23 Jul 2010
  • 4Statement of changes in beneficial ownership7 May 2010
  • 4Statement of changes in beneficial ownership11 Sep 2009
  • 4Statement of changes in beneficial ownership6 Aug 2008
  • 4Statement of changes in beneficial ownership20 Sep 2007
  • 4Statement of changes in beneficial ownership1 Dec 2006
  • 3Initial statement of beneficial ownership29 Sep 2006

Constantine W Paul(7)

  • 4Statement of changes in beneficial ownership4 Aug
  • 4Statement of changes in beneficial ownership1 Jul
  • 4Statement of changes in beneficial ownership24 Apr
  • 4Statement of changes in beneficial ownership2 Jan
  • 4Statement of changes in beneficial ownership4 Dec 2025
  • 4Statement of changes in beneficial ownership2 May 2025
  • 3Initial statement of beneficial ownership26 Feb 2025

Cegielski Deborah Lee(7)

  • 4/AStatement of changes in beneficial ownership (amendment)2 Jan 2020
  • 4Statement of changes in beneficial ownership4 Nov 2019
  • 4Statement of changes in beneficial ownership19 Sep 2019
  • 4Statement of changes in beneficial ownership8 Jul 2019
  • 4Statement of changes in beneficial ownership2 Jan 2020
  • 4Statement of changes in beneficial ownership10 Dec 2018
  • 3Initial statement of beneficial ownership15 Nov 2018

Feinberg David T(6)

  • 4Statement of changes in beneficial ownership25 Jul 2014
  • 4Statement of changes in beneficial ownership20 Aug 2013
  • 4Statement of changes in beneficial ownership24 Jul 2012
  • 4Statement of changes in beneficial ownership13 Sep 2011
  • 4Statement of changes in beneficial ownership12 Aug 2010
  • 3Initial statement of beneficial ownership11 Mar 2010

Tropeano Michael(6)

  • 4Statement of changes in beneficial ownership26 Aug
  • 4Statement of changes in beneficial ownership4 Aug
  • 4Statement of changes in beneficial ownership1 Jul
  • 4Statement of changes in beneficial ownership2 Jan
  • 4Statement of changes in beneficial ownership5 Aug 2025
  • 3Initial statement of beneficial ownership23 Jul 2025

Thompson Michael Shawn(6)

  • 4Statement of changes in beneficial ownership19 Sep 2019
  • 4Statement of changes in beneficial ownership8 Jul 2019
  • 4Statement of changes in beneficial ownership5 Sep 2018
  • 4Statement of changes in beneficial ownership6 Jul 2018
  • 4Statement of changes in beneficial ownership16 Aug 2017
  • 3Initial statement of beneficial ownership5 May 2017

CHAMBERLAIN SALLY F AS TRUSTEE OF THE EDWARD P FLEISCHER TRU(5)

  • 5Annual statement of beneficial ownership7 Jan 2002
  • 5Annual statement of beneficial ownership7 Jan 2002
  • 4Statement of changes in beneficial ownership12 Jan 1998
  • 4Statement of changes in beneficial ownership12 Jan 1998
  • 3Initial statement of beneficial ownership3 Oct 1997

Green James W(4)

  • 4Statement of changes in beneficial ownership8 Jul 2019
  • 4Statement of changes in beneficial ownership28 Aug 2018
  • 4Statement of changes in beneficial ownership6 Jul 2018
  • 3Initial statement of beneficial ownership2 May 2018

Chin Pak Khong(4)

  • 4Statement of changes in beneficial ownership9 Sep 2016
  • 4Statement of changes in beneficial ownership3 Aug 2016
  • 4Statement of changes in beneficial ownership8 Jul 2015
  • 3Initial statement of beneficial ownership15 May 2015

Kumar Sujit Shamsunder(4)

  • 4Statement of changes in beneficial ownership21 Sep 2017
  • 4Statement of changes in beneficial ownership16 Aug 2017
  • 4Statement of changes in beneficial ownership3 Aug 2016
  • 3Initial statement of beneficial ownership4 May 2016

CRANE ANTHONY S(3)

  • 4Statement of changes in beneficial ownership11 Apr 2000
  • 4Statement of changes in beneficial ownership12 Jan 1998
  • 3Initial statement of beneficial ownership3 Oct 1997

SCOPE INDUSTRIES(1)

  • 3Initial statement of beneficial ownership3 Oct 1997

≥5% Ownership

VANGUARD GROUP INC(18)

  • SC 13G/AOsi Systems Inc27 Mar
  • SC 13G/AOsi Systems Inc13 Feb 2024
  • SC 13G/AOsi Systems Inc9 Feb 2023
  • SC 13G/AOsi Systems Inc10 Feb 2022
  • SC 13G/AOsi Systems Inc12 Jul 2021
  • SC 13G/AOsi Systems Inc10 Feb 2021
  • SC 13G/AOsi Systems Inc12 Feb 2020
  • SC 13G/AOsi Systems Inc8 Apr 2019
  • SC 13G/AOsi Systems Inc11 Feb 2019
  • SC 13G/AOsi Systems Inc11 Jun 2018

BlackRock Inc.(18)

  • SC 13G/AOsi Systems Inc22 Jan 2024
  • SC 13GOsi Systems Inc23 Jan 2023
  • SC 13G/AOsi Systems Inc27 Jan 2022
  • SC 13GOsi Systems Inc26 Jan 2022
  • SC 13G/AOsi Systems Inc25 Jan 2021
  • SC 13G/AOsi Systems Inc10 Feb 2020
  • SC 13G/AOsi Systems Inc11 Feb 2019
  • SC 13G/AOsi Systems Inc8 Feb 2018
  • SC 13G/AOsi Systems Inc17 Jan 2017
  • SC 13G/AOsi Systems Inc8 Jan 2016

DIMENSIONAL FUND ADVISORS LP(15)

  • SC 13G/AOsi Systems Inc12 Feb 2021
  • SC 13G/AOsi Systems Inc12 Feb 2020
  • SC 13G/AOsi Systems Inc8 Feb 2019
  • SC 13G/AOsi Systems Inc9 Feb 2018
  • SC 13GOsi Systems Inc9 Feb 2017
  • SC 13G/AOsi Systems Inc8 Feb 2010
  • SC 13G/AOsi Systems Inc9 Feb 2009
  • SC 13G/AOsi Systems Inc6 Feb 2008
  • SC 13G/AOsi Systems Inc9 Feb 2007
  • SC 13G/AOsi Systems Inc2 Feb 2007

Janus Henderson Group Ltd.(15)

  • SC 13GOsi Systems Inc13 Aug
  • SC 13G/AOsi Systems Inc15 May
  • SC 13G/AOsi Systems Inc14 Nov 2025
  • SC 13G/AOsi Systems Inc14 Aug 2025
  • SC 13G/AOsi Systems Inc14 May 2025
  • SC 13G/AOsi Systems Inc14 Feb 2025
  • SC 13G/AOsi Systems Inc14 Nov 2024
  • SC 13G/AOsi Systems Inc13 Feb 2024
  • SC 13G/AOsi Systems Inc10 Feb 2023
  • SC 13G/AOsi Systems Inc10 Feb 2022

WELLS FARGO & COMPANY/MN(13)

  • SC 13G/AOsi Systems Inc9 Dec 2015
  • SC 13G/AOsi Systems Inc5 Feb 2015
  • SC 13G/AOsi Systems Inc28 Jan 2014
  • SC 13G/AOsi Systems Inc29 Mar 2013
  • SC 13G/AOsi Systems Inc13 Feb 2013
  • SC 13G/AOsi Systems Inc25 Jan 2012
  • SC 13G/AOsi Systems Inc20 Jan 2011
  • SC 13G/AOsi Systems Inc25 Jan 2010
  • SC 13GOsi Systems Inc1 May 2009
  • SC 13G/AOsi Systems Inc21 Jan 2009

ESSEX INVESTMENT MANAGEMENT CO LLC(13)

  • SC 13GOsi Systems Inc14 Jan 2003
  • SC 13GOsi Systems Inc9 Dec 2002
  • SC 13GOsi Systems Inc7 Nov 2002
  • SC 13GOsi Systems Inc15 Oct 2002
  • SC 13GOsi Systems Inc5 Sep 2002
  • SC 13GOsi Systems Inc16 Aug 2002
  • SC 13GOsi Systems Inc16 Aug 2002
  • SC 13GOsi Systems Inc16 Aug 2002
  • SC 13GOsi Systems Inc15 Aug 2002
  • SC 13GOsi Systems Inc10 Apr 2002

WELLINGTON MANAGEMENT CO LLP(12)

  • SC 13G/AOsi Systems Inc14 Feb 2011
  • SC 13G/AOsi Systems Inc12 Feb 2010
  • SC 13G/AOsi Systems Inc17 Feb 2009
  • SC 13G/AOsi Systems Inc14 Feb 2008
  • SC 13G/AOsi Systems Inc10 Oct 2007
  • SC 13G/AOsi Systems Inc14 Feb 2007
  • SC 13G/AOsi Systems Inc14 Feb 2006
  • SC 13G/AOsi Systems Inc14 Feb 2005
  • SC 13G/AOsi Systems Inc10 Aug 2004
  • SC 13GOsi Systems Inc12 Feb 2004

CHOPRA DEEPAK(9)

  • SC 13G/AOsi Systems Inc11 Feb 2011
  • SC 13G/AOsi Systems Inc12 Feb 2010
  • SC 13G/AOsi Systems Inc3 Feb 2009
  • SC 13G/AOsi Systems Inc14 Feb 2008
  • SC 13G/AOsi Systems Inc14 Feb 2007
  • SC 13G/AOsi Systems Inc7 Feb 2006
  • SC 13G/AOsi Systems Inc11 Feb 2005
  • SC 13G/AOsi Systems Inc19 Feb 1998
  • SC 13GOsi Systems Inc17 Feb 1998

EARNEST PARTNERS LLC(8)

  • SC 13G/AOsi Systems Inc12 Aug 2019
  • SC 13G/AOsi Systems Inc14 Feb 2019
  • SC 13G/AOsi Systems Inc14 Feb 2018
  • SC 13G/AOsi Systems Inc9 May 2017
  • SC 13G/AOsi Systems Inc10 Apr 2017
  • SC 13G/AOsi Systems Inc10 Mar 2017
  • SC 13G/AOsi Systems Inc10 Jan 2017
  • SC 13GOsi Systems Inc11 Feb 2016

FMR LLC(5)

  • SC 13G/AOsi Systems Inc6 Aug
  • SC 13G/AOsi Systems Inc6 May
  • SC 13G/AOsi Systems Inc8 Jan
  • SC 13G/AOsi Systems Inc12 May 2025
  • SC 13GOsi Systems Inc12 Feb 2025

JANUS CAPITAL MANAGEMENT LLC(4)

  • SC 13G/AOsi Systems Inc13 Feb 2018
  • SC 13G/AOsi Systems Inc13 Feb 2017
  • SC 13G/AOsi Systems Inc16 Feb 2016
  • SC 13GOsi Systems Inc18 Feb 2015

ROYCE & ASSOCIATES LLC(4)

  • SC 13G/AOsi Systems Inc5 Feb 2008
  • SC 13G/AOsi Systems Inc24 Jan 2007
  • SC 13G/AOsi Systems Inc31 Jan 2006
  • SC 13GOsi Systems Inc1 Feb 2005

KERN CAPITAL MANAGEMENT LLC(4)

  • SC 13G/AOsi Systems Inc13 Feb 2004
  • SC 13G/AOsi Systems Inc10 Oct 2003
  • SC 13G/AOsi Systems Inc10 Jul 2003
  • SC 13GOsi Systems Inc14 Feb 2003

CAVALLO CAPITAL CORP(4)

  • SC 13G/AOsi Systems Inc12 Feb 2003
  • SC 13GOsi Systems Inc23 Oct 2002
  • SC 13GOsi Systems Inc15 Feb 2002
  • SC 13GOsi Systems Inc20 Dec 2001

NWQ INVESTMENT MANAGEMENT CO LLC(3)

  • SC 13G/AOsi Systems Inc12 Feb 2007
  • SC 13G/AOsi Systems Inc14 Feb 2006
  • SC 13GOsi Systems Inc9 Nov 2005

CHAMBERLAIN SALLY F AS TRUSTEE OF THE EDWARD P FLEISCHER TRU(3)

  • SC 13G/AOsi Systems Inc7 Jan 2002
  • SC 13G/AOsi Systems Inc7 Jan 2002
  • SC 13GOsi Systems Inc13 Feb 1998

BENSON ASSOCIATES LLC(3)

  • SC 13G/AOsi Systems Inc14 Feb 2002
  • SC 13G/AOsi Systems Inc13 Feb 2001
  • SC 13GOsi Systems Inc12 Feb 2001

SCOPE INDUSTRIES(2)

  • SC 13GOsi Systems Inc5 Apr 2000
  • SC 13GOsi Systems Inc17 Feb 1998

CREDIT SUISSE AG/(2)

  • SC 13G/AOsi Systems Inc13 Feb 2020
  • SC 13GOsi Systems Inc13 Feb 2019

BRINSON PARTNERS INC/IL(2)

  • SC 13G/AOsi Systems Inc14 Feb 2001
  • SC 13GOsi Systems Inc16 Feb 1999

OSI SYSTEMS INC(2)

  • SC 13G/AImagis Technologies Inc1 Aug 2003
  • SC 13GImagis Technologies Inc18 Jul 2002

WADDELL & REED FINANCIAL INC(2)

  • SC 13G/AOsi Systems Inc7 Feb 2013
  • SC 13GOsi Systems Inc14 Feb 2012

TREMBLANT CAPITAL GROUP(2)

  • SC 13G/AOsi Systems Inc17 Feb 2015
  • SC 13GOsi Systems Inc14 Feb 2014

Mawer Investment Management Ltd.(2)

  • SC 13G/AOsi Systems Inc11 Feb
  • SC 13GOsi Systems Inc12 Nov 2025

BlackRock, Inc.(2)

  • SC 13G/AOsi Systems Inc27 Oct
  • SC 13G/AOsi Systems Inc18 Jul 2025

STRONG CAPITAL MANAGEMENT INC ET AL(1)

  • SC 13GOsi Systems Inc11 Feb 2005

SAYAL MOHINI(1)

  • SC 13GOsi Systems Inc17 Feb 1998

IRONBRIDGE CAPITAL MANAGEMENT LLC(1)

  • SC 13GOsi Systems Inc11 Feb 2005

VANGUARD CAPITAL MANAGEMENT LLC(1)

  • SC 13GOsi Systems Inc31 Jul

VANGUARD PORTFOLIO MANAGEMENT LLC(1)

  • SC 13GOsi Systems Inc29 Apr