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Calamos Strategic Total Return Fund​
HomeStock ScreenerDocument SearchChartingWatchlistsRecent Filings
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Calamos Strategic Total Return Fund

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

  • Get the full experience

    We save the real magic for signed-in users.

Calamos Strategic Total Return Fund​
HomeStock ScreenerDocument SearchChartingWatchlistsRecent Filings
C

Calamos Strategic Total Return Fund

Ask AI
Doc SearchProfileEntity StructureShort Interest

Overview

ProfileEntity Structure

Documents

SEC Filings
Categorized
Chronological
By Owner

Financials & Metrics

Short Interest
Chronological
By Owner

Financials & Metrics

Short Interest

SEC Filings by Owner

SEC Filings by Owner

Insider Ownership

CALAMOS JOHN P SR(12)

  • Form 4PRIMARY DOCUMENT25 Jan 2017
  • Form 5PRIMARY DOCUMENT14 Dec 2012
  • Form 5PRIMARY DOCUMENT13 Dec 2011
  • Form 5PRIMARY DOCUMENT15 Dec 2010
  • Form 5PRIMARY DOCUMENT15 Dec 2009
  • Form 5PRIMARY DOCUMENT12 Dec 2008
  • Form 5PRIMARY DOCUMENT12 Dec 2007
  • Form 5PRIMARY DOCUMENT15 Dec 2006
  • Form 4PRIMARY DOCUMENT10 Jan 2006
  • Form 4PRIMARY DOCUMENT28 Dec 2004

CALAMOS NICK P(9)

  • Form 5PRIMARY DOCUMENT14 Dec 2012
  • Form 5PRIMARY DOCUMENT15 Dec 2011
  • Form 5PRIMARY DOCUMENT15 Dec 2010
  • Form 5PRIMARY DOCUMENT15 Dec 2009
  • Form 5PRIMARY DOCUMENT12 Dec 2008
  • Form 5PRIMARY DOCUMENT12 Dec 2007
  • Form 5PRIMARY DOCUMENT15 Dec 2006
  • Form 4PRIMARY DOCUMENT28 Dec 2004
  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

RYBAK WILLIAM R(9)

  • Form 5PRIMARY DOCUMENT14 Dec 2012
  • Form 5PRIMARY DOCUMENT15 Dec 2011
  • Form 5PRIMARY DOCUMENT15 Dec 2010
  • Form 5PRIMARY DOCUMENT14 Dec 2009
  • Form 5PRIMARY DOCUMENT12 Dec 2008
  • Form 5PRIMARY DOCUMENT12 Dec 2007
  • Form 5PRIMARY DOCUMENT15 Dec 2006
  • Form 4PRIMARY DOCUMENT16 Dec 2004
  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

Calamos Advisors LLC(8)

  • Form 4PRIMARY DOCUMENT25 Jan 2017
  • Form 5PRIMARY DOCUMENT14 Dec 2012
  • Form 5PRIMARY DOCUMENT15 Dec 2011
  • Form 5PRIMARY DOCUMENT15 Dec 2010
  • Form 5PRIMARY DOCUMENT14 Dec 2009
  • Form 5PRIMARY DOCUMENT12 Dec 2008
  • Form 5PRIMARY DOCUMENT12 Dec 2007
  • Form 5PRIMARY DOCUMENT15 Dec 2006

NEAL JOHN E(6)

  • Form 4PRIMARY DOCUMENT22 Dec 2009
  • Form 4/APRIMARY DOCUMENT22 Dec 2009
  • Form 4PRIMARY DOCUMENT18 Dec 2009
  • Form 4PRIMARY DOCUMENT6 Apr 2006
  • Form 4MAIN DOCUMENT DESCRIPTION11 May 2004
  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

MetLife Investment Management, LLC(6)

  • Form 4Statement of changes in beneficial ownership26 Aug
  • Form 4Statement of changes in beneficial ownership10 Sep 2024
  • Form 4Statement of changes in beneficial ownership8 Sep 2022
  • Form 4Statement of changes in beneficial ownership26 May 2022
  • Form 4Statement of changes in beneficial ownership26 May 2022
  • Form 3Initial statement of beneficial ownership26 May 2022

Koudounis John S.(6)

  • Form 3/APRIMARY DOCUMENT9 Sep 2025
  • Form 3PRIMARY DOCUMENT9 Sep 2025
  • Form 4PRIMARY DOCUMENT6 Dec 2023
  • Form 4PRIMARY DOCUMENT17 Feb 2021
  • Form 4PRIMARY DOCUMENT18 Dec 2020
  • Form 3PRIMARY DOCUMENT11 Jul 2016

TRIPPLE DAVID D(5)

  • Form 4PRIMARY DOCUMENT20 Dec 2019
  • Form 4PRIMARY DOCUMENT11 Jul 2014
  • Form 4PRIMARY DOCUMENT10 Jul 2009
  • Form 4PRIMARY DOCUMENT19 Jan 2006
  • Form 3PRIMARY DOCUMENT13 Jan 2006

THRIVENT FINANCIAL FOR LUTHERANS(3)

  • Form 4PRIMARY DOCUMENT9 Oct 2024
  • Form 4PRIMARY DOCUMENT6 Sep 2022
  • Form 3PRIMARY DOCUMENT15 Sep 2017

TIMBERS STEPHEN B(3)

  • Form 4PRIMARY DOCUMENT12 Oct 2006
  • Form 4PRIMARY DOCUMENT3 May 2006
  • Form 3MAIN DOCUMENT DESCRIPTION1 Apr 2004

Mickey Mark(3)

  • Form 4PRIMARY DOCUMENT3 Jan 2018
  • Form 4PRIMARY DOCUMENT6 Apr 2006
  • Form 3PRIMARY DOCUMENT14 Nov 2005

UBS AG(2)

  • Form 5MAIN DOCUMENT DESCRIPTION16 Feb 2010
  • Form 3MAIN DOCUMENT DESCRIPTION10 Feb 2009

MARSH WESTON W(2)

  • Form 4PRIMARY DOCUMENT27 Dec 2004
  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

INNES BRUCE D(2)

  • Form 3/AMAIN DOCUMENT DESCRIPTION25 Mar 2004
  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

Hamacher Theresa(2)

  • Form 4PRIMARY DOCUMENT2 Mar 2016
  • Form 3PRIMARY DOCUMENT1 Sep 2015

Herman Thomas E(2)

  • Form 4PRIMARY DOCUMENT31 Jan 2025
  • Form 3PRIMARY DOCUMENT11 Jul 2016

NORTHWESTERN MUTUAL LIFE INSURANCE CO(1)

  • Form 3Initial statement of beneficial ownership10 Sep 2024

LINCOLN NATIONAL LIFE INSURANCE CO /IN/(1)

  • Form 3Initial statement of beneficial ownership3 Sep

CITIGROUP INC(1)

  • Form 3Initial statement of beneficial ownership10 Dec 2008

Athene Annuity & Life Co(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

CALAMOS ASSET MANAGEMENT INC(1)

  • Form 3MAIN DOCUMENT DESCRIPTION26 Mar 2004

MORGAN STANLEY(1)

  • Form 3Initial statement of beneficial ownership12 Jan 2009

HANAUER JOE F(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

ARCH CAPITAL GROUP LTD.(1)

  • Form 3Initial statement of beneficial ownership29 Oct 2021

Breen Virginia G(1)

  • Form 3PRIMARY DOCUMENT1 Sep 2015

TOUB CHRISTOPHER M(1)

  • Form 3PRIMARY DOCUMENT20 Dec 2019

DUDASIK PATRICK H(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

LOTITO JEFF(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

HAMMAN JAMES S JR(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

CALAMOS JOHN P JR(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

GREENAWALT JIM(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

MCPHERON IAN J(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

BLACK GARY D(1)

  • Form 3PRIMARY DOCUMENT20 Sep 2012

BHATT NIMISH S(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

KACZMAREK TIMOTHY W(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

PHLEGAR JEFFREY S(1)

  • Form 3PRIMARY DOCUMENT12 Sep 2025

Ciotola Michael(1)

  • Form 3PRIMARY DOCUMENT30 Jun 2004

Kovalchuk Moses(1)

  • Form 3PRIMARY DOCUMENT6 Jul 2005

Equitable Holdings, Inc.(1)

  • Form 3PRIMARY DOCUMENT20 Oct 2021

Woodard Kevin S(1)

  • Form 3PRIMARY DOCUMENT14 Nov 2005

Kelly Walter M(1)

  • Form 3PRIMARY DOCUMENT4 Aug 2025

Jackson J Christopher(1)

  • Form 3PRIMARY DOCUMENT11 Jun 2010

DARCY STATHY(1)

  • Form 3PRIMARY DOCUMENT26 Dec 2007

HAMPTON CHERYL L(1)

  • Form 3PRIMARY DOCUMENT26 Dec 2007

Boyne James J(1)

  • Form 3PRIMARY DOCUMENT10 Jun 2008

Apollo Management Holdings GP, LLC(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Apollo Management Holdings, L.P.(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Apollo Capital Management GP, LLC(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Apollo Capital Management, L.P.(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Apollo Insurance Solutions Group LP(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Voya Financial, Inc.(1)

  • Form 3Initial statement of beneficial ownership27 May 2022

Voya Holdings, Inc.(1)

  • Form 3Initial statement of beneficial ownership27 May 2022

Atkins Stephen(1)

  • Form 3PRIMARY DOCUMENT3 Apr 2020

Behan Robert(1)

  • Form 3PRIMARY DOCUMENT6 Aug 2015

Wennlund Lloyd(1)

  • Form 3PRIMARY DOCUMENT26 Jul 2018

ARCH REINSURANCE LTD.(1)

  • Form 3Initial statement of beneficial ownership29 Oct 2021

Vanisko Dave(1)

  • Form 3PRIMARY DOCUMENT22 Aug 2019

Stuckey Karen(1)

  • Form 3PRIMARY DOCUMENT20 Dec 2019

Apollo Life Asset GP, LLC(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Apollo Life Asset L.P.(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

AISG GP Ltd.(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Dufresne Daniel(1)

  • Form 3PRIMARY DOCUMENT20 Jul 2021

Schoenberger Susan L(1)

  • Form 3OWNERSHIP DOCUMENT2 Feb 2023

Ojala Erik D.(1)

  • Form 3PRIMARY DOCUMENT28 Sep 2023

Kiley Thomas P III(1)

  • Form 3PRIMARY DOCUMENT27 Dec 2024

Armstrong Hugh(1)

  • Form 3PRIMARY DOCUMENT9 Sep 2025

≥5% Ownership

Apollo Management Holdings GP, LLC(12)

  • SC 13G/ACalamos Strategic Total Return Fund13 Nov
  • SC 13G/ACalamos Strategic Total Return Fund28 Jul
  • SC 13G/ACalamos Strategic Total Return Fund14 May
  • SC 13G/ACalamos Strategic Total Return Fund13 Feb
  • SC 13G/ACalamos Strategic Total Return Fund14 Nov 2025
  • SC 13G/ACalamos Strategic Total Return Fund14 Aug 2025
  • SC 13G/ACalamos Strategic Total Return Fund15 May 2025
  • SC 13G/ACalamos Strategic Total Return Fund14 Feb 2025
  • SC 13G/ACalamos Strategic Total Return Fund14 Nov 2024
  • SC 13G/ACalamos Strategic Total Return Fund14 Feb 2024

MetLife Investment Management, LLC(8)

  • SC 13G/ACalamos Strategic Total Return Fund8 Sep
  • SC 13G/ACalamos Strategic Total Return Fund8 Nov 2024
  • SC 13G/ACalamos Strategic Total Return Fund14 Feb 2023
  • SC 13GCalamos Strategic Total Return Fund14 Feb 2023
  • SC 13G/ACalamos Strategic Total Return Fund10 Jun 2022
  • SC 13GCalamos Strategic Total Return Fund10 Jun 2022
  • SC 13G/ACalamos Strategic Total Return Fund10 Jun 2022
  • SC 13GCalamos Strategic Total Return Fund10 Jun 2022

SUN LIFE FINANCIAL INC(6)

  • SC 13G/ACalamos Strategic Total Return Fund28 Feb 2023
  • SC 13G/ACalamos Strategic Total Return Fund14 Feb 2022
  • SC 13G/ACalamos Strategic Total Return Fund16 Feb 2021
  • SC 13G/ACalamos Strategic Total Return Fund13 Feb 2020
  • SC 13G/ACalamos Strategic Total Return Fund13 Feb 2019
  • SC 13GCalamos Strategic Total Return Fund14 Feb 2018

Equitable Holdings, Inc.(5)

  • SC 13GCalamos Strategic Total Return Fund11 Sep
  • SC 13G/ACalamos Strategic Total Return Fund14 Feb 2024
  • SC 13G/ACalamos Strategic Total Return Fund15 Feb 2023
  • SC 13GCalamos Strategic Total Return Fund14 Feb 2022
  • SC 13GCalamos Strategic Total Return Fund20 Oct 2021

THRIVENT FINANCIAL FOR LUTHERANS(3)

  • SC 13G/ACalamos Strategic Total Return Fund12 Nov 2024
  • SC 13GCalamos Strategic Total Return Fund5 Oct 2022
  • SC 13GCalamos Strategic Total Return Fund15 Sep 2017

CITIGROUP INC(3)

  • SC 13G/ACalamos Strategic Total Return Fund10 Jul 2009
  • SC 13G/ACalamos Strategic Total Return Fund12 Feb 2009
  • SC 13GCalamos Strategic Total Return Fund9 Dec 2008

Sun Life Assurance Co Of Canada(3)

  • SC 13G/ACalamos Strategic Total Return Fund28 Feb 2023
  • SC 13G/ACalamos Strategic Total Return Fund14 Feb 2022
  • SC 13G/ACalamos Strategic Total Return Fund16 Feb 2021

MORGAN STANLEY(2)

  • SC 13G/ACalamos Strategic Total Return Fund12 Feb 2010
  • SC 13GCalamos Strategic Total Return Fund12 Jan 2009

GUARDIAN LIFE INSURANCE CO OF AMERICA(2)

  • SC 13G/ACalamos Strategic Total Return Fund16 Feb 2023
  • SC 13GCalamos Strategic Total Return Fund14 Feb 2018

UBS AG(2)

  • SC 13G/ACalamos Strategic Total Return Fund5 Feb 2010
  • SC 13GCalamos Strategic Total Return Fund10 Feb 2009

NORTHWESTERN MUTUAL LIFE INSURANCE CO(1)

  • SC 13GCalamos Strategic Total Return Fund30 Aug 2024

LINCOLN NATIONAL LIFE INSURANCE CO /IN/(1)

  • SC 13GCalamos Strategic Total Return Fund8 Sep

LINCOLN BENEFIT LIFE CO(1)

  • SC 13GCalamos Strategic Total Return Fund12 Oct 2017

ARCH CAPITAL GROUP LTD.(1)

  • SC 13GCalamos Strategic Total Return Fund29 Oct 2021

Symetra Financial CORP(1)

  • SC 13GCalamos Strategic Total Return Fund14 Feb 2018

Voya Financial, Inc.(1)

  • SC 13GCalamos Strategic Total Return Fund27 May 2022

BlackRock Portfolio Management LLC(1)

  • SC 13GCalamos Strategic Total Return Fund8 Sep

Insider Ownership

CALAMOS JOHN P SR(12)

  • Form 4PRIMARY DOCUMENT25 Jan 2017
  • Form 5PRIMARY DOCUMENT14 Dec 2012
  • Form 5PRIMARY DOCUMENT13 Dec 2011
  • Form 5PRIMARY DOCUMENT15 Dec 2010
  • Form 5PRIMARY DOCUMENT15 Dec 2009
  • Form 5PRIMARY DOCUMENT12 Dec 2008
  • Form 5PRIMARY DOCUMENT12 Dec 2007
  • Form 5PRIMARY DOCUMENT15 Dec 2006
  • Form 4PRIMARY DOCUMENT10 Jan 2006
  • Form 4PRIMARY DOCUMENT28 Dec 2004

CALAMOS NICK P(9)

  • Form 5PRIMARY DOCUMENT14 Dec 2012
  • Form 5PRIMARY DOCUMENT15 Dec 2011
  • Form 5PRIMARY DOCUMENT15 Dec 2010
  • Form 5PRIMARY DOCUMENT15 Dec 2009
  • Form 5PRIMARY DOCUMENT12 Dec 2008
  • Form 5PRIMARY DOCUMENT12 Dec 2007
  • Form 5PRIMARY DOCUMENT15 Dec 2006
  • Form 4PRIMARY DOCUMENT28 Dec 2004
  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

RYBAK WILLIAM R(9)

  • Form 5PRIMARY DOCUMENT14 Dec 2012
  • Form 5PRIMARY DOCUMENT15 Dec 2011
  • Form 5PRIMARY DOCUMENT15 Dec 2010
  • Form 5PRIMARY DOCUMENT14 Dec 2009
  • Form 5PRIMARY DOCUMENT12 Dec 2008
  • Form 5PRIMARY DOCUMENT12 Dec 2007
  • Form 5PRIMARY DOCUMENT15 Dec 2006
  • Form 4PRIMARY DOCUMENT16 Dec 2004
  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

Calamos Advisors LLC(8)

  • Form 4PRIMARY DOCUMENT25 Jan 2017
  • Form 5PRIMARY DOCUMENT14 Dec 2012
  • Form 5PRIMARY DOCUMENT15 Dec 2011
  • Form 5PRIMARY DOCUMENT15 Dec 2010
  • Form 5PRIMARY DOCUMENT14 Dec 2009
  • Form 5PRIMARY DOCUMENT12 Dec 2008
  • Form 5PRIMARY DOCUMENT12 Dec 2007
  • Form 5PRIMARY DOCUMENT15 Dec 2006

NEAL JOHN E(6)

  • Form 4PRIMARY DOCUMENT22 Dec 2009
  • Form 4/APRIMARY DOCUMENT22 Dec 2009
  • Form 4PRIMARY DOCUMENT18 Dec 2009
  • Form 4PRIMARY DOCUMENT6 Apr 2006
  • Form 4MAIN DOCUMENT DESCRIPTION11 May 2004
  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

MetLife Investment Management, LLC(6)

  • Form 4Statement of changes in beneficial ownership26 Aug
  • Form 4Statement of changes in beneficial ownership10 Sep 2024
  • Form 4Statement of changes in beneficial ownership8 Sep 2022
  • Form 4Statement of changes in beneficial ownership26 May 2022
  • Form 4Statement of changes in beneficial ownership26 May 2022
  • Form 3Initial statement of beneficial ownership26 May 2022

Koudounis John S.(6)

  • Form 3/APRIMARY DOCUMENT9 Sep 2025
  • Form 3PRIMARY DOCUMENT9 Sep 2025
  • Form 4PRIMARY DOCUMENT6 Dec 2023
  • Form 4PRIMARY DOCUMENT17 Feb 2021
  • Form 4PRIMARY DOCUMENT18 Dec 2020
  • Form 3PRIMARY DOCUMENT11 Jul 2016

TRIPPLE DAVID D(5)

  • Form 4PRIMARY DOCUMENT20 Dec 2019
  • Form 4PRIMARY DOCUMENT11 Jul 2014
  • Form 4PRIMARY DOCUMENT10 Jul 2009
  • Form 4PRIMARY DOCUMENT19 Jan 2006
  • Form 3PRIMARY DOCUMENT13 Jan 2006

THRIVENT FINANCIAL FOR LUTHERANS(3)

  • Form 4PRIMARY DOCUMENT9 Oct 2024
  • Form 4PRIMARY DOCUMENT6 Sep 2022
  • Form 3PRIMARY DOCUMENT15 Sep 2017

TIMBERS STEPHEN B(3)

  • Form 4PRIMARY DOCUMENT12 Oct 2006
  • Form 4PRIMARY DOCUMENT3 May 2006
  • Form 3MAIN DOCUMENT DESCRIPTION1 Apr 2004

Mickey Mark(3)

  • Form 4PRIMARY DOCUMENT3 Jan 2018
  • Form 4PRIMARY DOCUMENT6 Apr 2006
  • Form 3PRIMARY DOCUMENT14 Nov 2005

UBS AG(2)

  • Form 5MAIN DOCUMENT DESCRIPTION16 Feb 2010
  • Form 3MAIN DOCUMENT DESCRIPTION10 Feb 2009

MARSH WESTON W(2)

  • Form 4PRIMARY DOCUMENT27 Dec 2004
  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

INNES BRUCE D(2)

  • Form 3/AMAIN DOCUMENT DESCRIPTION25 Mar 2004
  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

Hamacher Theresa(2)

  • Form 4PRIMARY DOCUMENT2 Mar 2016
  • Form 3PRIMARY DOCUMENT1 Sep 2015

Herman Thomas E(2)

  • Form 4PRIMARY DOCUMENT31 Jan 2025
  • Form 3PRIMARY DOCUMENT11 Jul 2016

NORTHWESTERN MUTUAL LIFE INSURANCE CO(1)

  • Form 3Initial statement of beneficial ownership10 Sep 2024

LINCOLN NATIONAL LIFE INSURANCE CO /IN/(1)

  • Form 3Initial statement of beneficial ownership3 Sep

CITIGROUP INC(1)

  • Form 3Initial statement of beneficial ownership10 Dec 2008

Athene Annuity & Life Co(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

CALAMOS ASSET MANAGEMENT INC(1)

  • Form 3MAIN DOCUMENT DESCRIPTION26 Mar 2004

MORGAN STANLEY(1)

  • Form 3Initial statement of beneficial ownership12 Jan 2009

HANAUER JOE F(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

ARCH CAPITAL GROUP LTD.(1)

  • Form 3Initial statement of beneficial ownership29 Oct 2021

Breen Virginia G(1)

  • Form 3PRIMARY DOCUMENT1 Sep 2015

TOUB CHRISTOPHER M(1)

  • Form 3PRIMARY DOCUMENT20 Dec 2019

DUDASIK PATRICK H(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

LOTITO JEFF(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

HAMMAN JAMES S JR(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

CALAMOS JOHN P JR(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

GREENAWALT JIM(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

MCPHERON IAN J(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

BLACK GARY D(1)

  • Form 3PRIMARY DOCUMENT20 Sep 2012

BHATT NIMISH S(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

KACZMAREK TIMOTHY W(1)

  • Form 3MAIN DOCUMENT DESCRIPTION25 Mar 2004

PHLEGAR JEFFREY S(1)

  • Form 3PRIMARY DOCUMENT12 Sep 2025

Ciotola Michael(1)

  • Form 3PRIMARY DOCUMENT30 Jun 2004

Kovalchuk Moses(1)

  • Form 3PRIMARY DOCUMENT6 Jul 2005

Equitable Holdings, Inc.(1)

  • Form 3PRIMARY DOCUMENT20 Oct 2021

Woodard Kevin S(1)

  • Form 3PRIMARY DOCUMENT14 Nov 2005

Kelly Walter M(1)

  • Form 3PRIMARY DOCUMENT4 Aug 2025

Jackson J Christopher(1)

  • Form 3PRIMARY DOCUMENT11 Jun 2010

DARCY STATHY(1)

  • Form 3PRIMARY DOCUMENT26 Dec 2007

HAMPTON CHERYL L(1)

  • Form 3PRIMARY DOCUMENT26 Dec 2007

Boyne James J(1)

  • Form 3PRIMARY DOCUMENT10 Jun 2008

Apollo Management Holdings GP, LLC(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Apollo Management Holdings, L.P.(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Apollo Capital Management GP, LLC(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Apollo Capital Management, L.P.(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Apollo Insurance Solutions Group LP(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Voya Financial, Inc.(1)

  • Form 3Initial statement of beneficial ownership27 May 2022

Voya Holdings, Inc.(1)

  • Form 3Initial statement of beneficial ownership27 May 2022

Atkins Stephen(1)

  • Form 3PRIMARY DOCUMENT3 Apr 2020

Behan Robert(1)

  • Form 3PRIMARY DOCUMENT6 Aug 2015

Wennlund Lloyd(1)

  • Form 3PRIMARY DOCUMENT26 Jul 2018

ARCH REINSURANCE LTD.(1)

  • Form 3Initial statement of beneficial ownership29 Oct 2021

Vanisko Dave(1)

  • Form 3PRIMARY DOCUMENT22 Aug 2019

Stuckey Karen(1)

  • Form 3PRIMARY DOCUMENT20 Dec 2019

Apollo Life Asset GP, LLC(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Apollo Life Asset L.P.(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

AISG GP Ltd.(1)

  • Form 3OWNERSHIP DOCUMENT2 Jun 2022

Dufresne Daniel(1)

  • Form 3PRIMARY DOCUMENT20 Jul 2021

Schoenberger Susan L(1)

  • Form 3OWNERSHIP DOCUMENT2 Feb 2023

Ojala Erik D.(1)

  • Form 3PRIMARY DOCUMENT28 Sep 2023

Kiley Thomas P III(1)

  • Form 3PRIMARY DOCUMENT27 Dec 2024

Armstrong Hugh(1)

  • Form 3PRIMARY DOCUMENT9 Sep 2025

≥5% Ownership

Apollo Management Holdings GP, LLC(12)

  • SC 13G/ACalamos Strategic Total Return Fund13 Nov
  • SC 13G/ACalamos Strategic Total Return Fund28 Jul
  • SC 13G/ACalamos Strategic Total Return Fund14 May
  • SC 13G/ACalamos Strategic Total Return Fund13 Feb
  • SC 13G/ACalamos Strategic Total Return Fund14 Nov 2025
  • SC 13G/ACalamos Strategic Total Return Fund14 Aug 2025
  • SC 13G/ACalamos Strategic Total Return Fund15 May 2025
  • SC 13G/ACalamos Strategic Total Return Fund14 Feb 2025
  • SC 13G/ACalamos Strategic Total Return Fund14 Nov 2024
  • SC 13G/ACalamos Strategic Total Return Fund14 Feb 2024

MetLife Investment Management, LLC(8)

  • SC 13G/ACalamos Strategic Total Return Fund8 Sep
  • SC 13G/ACalamos Strategic Total Return Fund8 Nov 2024
  • SC 13G/ACalamos Strategic Total Return Fund14 Feb 2023
  • SC 13GCalamos Strategic Total Return Fund14 Feb 2023
  • SC 13G/ACalamos Strategic Total Return Fund10 Jun 2022
  • SC 13GCalamos Strategic Total Return Fund10 Jun 2022
  • SC 13G/ACalamos Strategic Total Return Fund10 Jun 2022
  • SC 13GCalamos Strategic Total Return Fund10 Jun 2022

SUN LIFE FINANCIAL INC(6)

  • SC 13G/ACalamos Strategic Total Return Fund28 Feb 2023
  • SC 13G/ACalamos Strategic Total Return Fund14 Feb 2022
  • SC 13G/ACalamos Strategic Total Return Fund16 Feb 2021
  • SC 13G/ACalamos Strategic Total Return Fund13 Feb 2020
  • SC 13G/ACalamos Strategic Total Return Fund13 Feb 2019
  • SC 13GCalamos Strategic Total Return Fund14 Feb 2018

Equitable Holdings, Inc.(5)

  • SC 13GCalamos Strategic Total Return Fund11 Sep
  • SC 13G/ACalamos Strategic Total Return Fund14 Feb 2024
  • SC 13G/ACalamos Strategic Total Return Fund15 Feb 2023
  • SC 13GCalamos Strategic Total Return Fund14 Feb 2022
  • SC 13GCalamos Strategic Total Return Fund20 Oct 2021

THRIVENT FINANCIAL FOR LUTHERANS(3)

  • SC 13G/ACalamos Strategic Total Return Fund12 Nov 2024
  • SC 13GCalamos Strategic Total Return Fund5 Oct 2022
  • SC 13GCalamos Strategic Total Return Fund15 Sep 2017

CITIGROUP INC(3)

  • SC 13G/ACalamos Strategic Total Return Fund10 Jul 2009
  • SC 13G/ACalamos Strategic Total Return Fund12 Feb 2009
  • SC 13GCalamos Strategic Total Return Fund9 Dec 2008

Sun Life Assurance Co Of Canada(3)

  • SC 13G/ACalamos Strategic Total Return Fund28 Feb 2023
  • SC 13G/ACalamos Strategic Total Return Fund14 Feb 2022
  • SC 13G/ACalamos Strategic Total Return Fund16 Feb 2021

MORGAN STANLEY(2)

  • SC 13G/ACalamos Strategic Total Return Fund12 Feb 2010
  • SC 13GCalamos Strategic Total Return Fund12 Jan 2009

GUARDIAN LIFE INSURANCE CO OF AMERICA(2)

  • SC 13G/ACalamos Strategic Total Return Fund16 Feb 2023
  • SC 13GCalamos Strategic Total Return Fund14 Feb 2018

UBS AG(2)

  • SC 13G/ACalamos Strategic Total Return Fund5 Feb 2010
  • SC 13GCalamos Strategic Total Return Fund10 Feb 2009

NORTHWESTERN MUTUAL LIFE INSURANCE CO(1)

  • SC 13GCalamos Strategic Total Return Fund30 Aug 2024

LINCOLN NATIONAL LIFE INSURANCE CO /IN/(1)

  • SC 13GCalamos Strategic Total Return Fund8 Sep

LINCOLN BENEFIT LIFE CO(1)

  • SC 13GCalamos Strategic Total Return Fund12 Oct 2017

ARCH CAPITAL GROUP LTD.(1)

  • SC 13GCalamos Strategic Total Return Fund29 Oct 2021

Symetra Financial CORP(1)

  • SC 13GCalamos Strategic Total Return Fund14 Feb 2018

Voya Financial, Inc.(1)

  • SC 13GCalamos Strategic Total Return Fund27 May 2022

BlackRock Portfolio Management LLC(1)

  • SC 13GCalamos Strategic Total Return Fund8 Sep