CALAMOS STRATEGIC TOTAL RETURN FUND (CSQ)

Latest Insider Confidence Score

2025Q4

50.1
Bullish

Company insider confidence (by quarter)

2004Q1 2025Q4

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
MetLife Investment Management, LLC 10% Owner 5,400,000 May 26, 2022
Apollo Management Holdings GP, LLC — 1,760,000 Jun 2, 2022
Apollo Management Holdings, L.P. — 1,760,000 Jun 2, 2022
Apollo Capital Management GP, LLC — 1,760,000 Jun 2, 2022
Apollo Capital Management, L.P. — 1,760,000 Jun 2, 2022

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Sep 12, 2025 PHLEGAR JEFFREY S Other Neutral 52.5 - 0.00% ✗ -
Sep 9, 2025 Koudounis John S. President Neutral 52.5 - 0.00% ✗ -
Sep 9, 2025 Koudounis John S. President Neutral 52.5 - 0.00% ✗ -
Sep 9, 2025 Armstrong Hugh Other Neutral 52.5 - 0.00% ✗ -
Aug 4, 2025 Kelly Walter M Chief Compliance Officer Neutral 52.5 - 0.00% ✗ -
Jan 29, 2025 Jan 31, 2025 Herman Thomas E CFO Buy 97.5 +23,190 100.00% ✗ $424.7K
Dec 27, 2024 Kiley Thomas P III President Neutral 52.5 - 0.00% ✗ -
Sep 6, 2024 Oct 9, 2024 THRIVENT FINANCIAL FOR LUTHERANS 10% Owner Buy 40.0 - 0.00% ✗ $16.5M
Sep 6, 2024 Sep 10, 2024 MetLife Investment Management, LLC 10% Owner Neutral 27.5 -1,500,000 -100.00% ✗ -
Sep 10, 2024 NORTHWESTERN MUTUAL LIFE INSURANCE CO 10% Owner Neutral 52.5 - 0.00% ✗ -
Dec 6, 2023 Dec 6, 2023 Koudounis John S. President Sell 22.5 -13,410 -45.86% ✗ $190K
Sep 28, 2023 Ojala Erik D. VP, Sec'y & Chief Legal Off. Neutral 52.5 - 0.00% ✗ -
Feb 2, 2023 Schoenberger Susan L VP and Assistant Secretary Neutral 52.5 - 0.00% ✗ -
Sep 6, 2022 Sep 8, 2022 MetLife Investment Management, LLC 10% Owner Neutral 27.5 -652,000 -100.00% ✗ -
Sep 6, 2022 Sep 7, 2022 THRIVENT FINANCIAL FOR LUTHERANS 10% Owner Sell 17.5 -180,000 -11.54% ✗ $4.5M
Jun 2, 2022 Apollo Management Holdings GP, LLC 10% Owner Neutral 52.5 - 0.00% ✗ -
May 24, 2022 May 26, 2022 MetLife Investment Management, LLC 10% Owner Buy 100.0 +320,000 100.00% ✗ $8M
Aug 24, 2021 May 26, 2022 MetLife Investment Management, LLC 10% Owner Buy 100.0 +600,000 100.00% ✗ $15M
May 26, 2022 MetLife Investment Management, LLC 10% Owner Neutral 52.5 - 0.00% ✗ -
Jul 20, 2021 Dufresne Daniel President Neutral 52.5 - 0.00% ✗ -
Feb 12, 2021 Feb 17, 2021 Koudounis John S. President Buy 95.0 +13,410 84.71% ✗ $225K
Dec 18, 2020 Dec 18, 2020 Koudounis John S. President Buy 95.0 +15,830 100.00% ✗ $250K
Apr 3, 2020 Atkins Stephen Treasurer Neutral 52.5 - 0.00% ✗ -
Dec 20, 2019 Stuckey Karen Director Neutral 52.5 - 0.00% ✗ -
Dec 20, 2019 TOUB CHRISTOPHER M Director Neutral 52.5 - 0.00% ✗ -
Dec 19, 2019 Dec 20, 2019 TRIPPLE DAVID D Director Sell 27.5 -500 -100.00% ✗ $6.7K
Aug 22, 2019 Vanisko Dave Treasurer Neutral 52.5 - 0.00% ✗ -
Jul 26, 2018 Wennlund Lloyd Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2018 Jan 3, 2018 Mickey Mark Chief Compliance Officer Buy 91.3 +2,500 100.00% ✗ $30.2K
Sep 15, 2017 THRIVENT FINANCIAL FOR LUTHERANS 10% Owner Neutral 52.5 - 0.00% ✗ -
Jan 23, 2017 Jan 25, 2017 CALAMOS JOHN P SR President Sell 20.0 -38,862 -12.74% ✗ $414.5K
Jul 11, 2016 Herman Thomas E CFO Neutral 52.5 - 0.00% ✗ -
Jul 11, 2016 Koudounis John S. President Neutral 52.5 - 0.00% ✗ -
Mar 1, 2016 Mar 2, 2016 Hamacher Theresa Director Buy 90.0 +1,000 100.00% ✗ $8.9K
Sep 1, 2015 Hamacher Theresa Director Neutral 52.5 - 0.00% ✗ -
Sep 1, 2015 Breen Virginia G Director Neutral 52.5 - 0.00% ✗ -
Aug 6, 2015 Behan Robert President Neutral 52.5 - 0.00% ✗ -
Jul 10, 2014 Jul 11, 2014 TRIPPLE DAVID D Director Sell 26.3 -1,000 -66.67% ✗ $12K
Dec 14, 2012 CALAMOS NICK P President Neutral 52.5 - 0.00% ✗ -
Dec 14, 2012 Calamos Advisors LLC Other Neutral 52.5 - 0.00% ✗ -
Dec 14, 2012 RYBAK WILLIAM R Director Neutral 52.5 - 0.00% ✗ -
Dec 14, 2012 CALAMOS JOHN P SR CEO Neutral 52.5 - 0.00% ✗ -
Sep 20, 2012 BLACK GARY D President Neutral 52.5 - 0.00% ✗ -
Dec 15, 2011 RYBAK WILLIAM R Director Neutral 52.5 - 0.00% ✗ -
Dec 15, 2011 Calamos Advisors LLC Other Neutral 52.5 - 0.00% ✗ -
Dec 15, 2011 CALAMOS NICK P President Neutral 52.5 - 0.00% ✗ -
Dec 13, 2011 CALAMOS JOHN P SR Chair Neutral 52.5 - 0.00% ✗ -
Dec 15, 2010 Calamos Advisors LLC Other Neutral 52.5 - 0.00% ✗ -
Dec 15, 2010 RYBAK WILLIAM R Director Neutral 52.5 - 0.00% ✗ -
Dec 15, 2010 CALAMOS NICK P President Neutral 52.5 - 0.00% ✗ -
Dec 15, 2010 CALAMOS JOHN P SR Chair Neutral 52.5 - 0.00% ✗ -
Jun 11, 2010 Jackson J Christopher VP, Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Jun 30, 2009 Feb 16, 2010 UBS AG Other Neutral 27.5 -858 -100.00% ✗ -
Dec 18, 2009 Dec 22, 2009 NEAL JOHN E Director Sell 22.5 -17,200 -100.00% ✗ $149.1K
Dec 16, 2009 Dec 22, 2009 NEAL JOHN E Director Neutral 52.5 - 0.00% ✗ -
Dec 16, 2009 Dec 18, 2009 NEAL JOHN E Director Sell 22.5 -16,700 -49.55% ✗ $144.8K
Dec 15, 2009 CALAMOS JOHN P SR Chair Neutral 52.5 - 0.00% ✗ -
Dec 15, 2009 CALAMOS NICK P President Neutral 52.5 - 0.00% ✗ -
Dec 14, 2009 Calamos Advisors LLC Other Neutral 52.5 - 0.00% ✗ -
Dec 14, 2009 RYBAK WILLIAM R Director Neutral 52.5 - 0.00% ✗ -
Jul 9, 2009 Jul 10, 2009 TRIPPLE DAVID D Director Sell 26.3 -2,000 -57.14% ✗ $13.9K
Feb 10, 2009 UBS AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Jan 12, 2009 MORGAN STANLEY 10% Owner Neutral 52.5 - 0.00% ✗ -
Dec 12, 2008 CALAMOS NICK P President Neutral 52.5 - 0.00% ✗ -
Dec 12, 2008 CALAMOS JOHN P SR Chair Neutral 52.5 - 0.00% ✗ -
Dec 12, 2008 RYBAK WILLIAM R Director Neutral 52.5 - 0.00% ✗ -
Dec 12, 2008 Calamos Advisors LLC Other Neutral 52.5 - 0.00% ✗ -
Dec 10, 2008 CITIGROUP INC 10% Owner Neutral 52.5 - 0.00% ✗ -
Jun 10, 2008 Boyne James J President Neutral 52.5 - 0.00% ✗ -
Dec 26, 2007 HAMPTON CHERYL L treasurer Neutral 52.5 - 0.00% ✗ -
Dec 26, 2007 DARCY STATHY secretary Neutral 52.5 - 0.00% ✗ -
Dec 12, 2007 CALAMOS JOHN P SR Chair Neutral 52.5 - 0.00% ✗ -
Dec 12, 2007 CALAMOS NICK P President Neutral 52.5 - 0.00% ✗ -
Dec 12, 2007 RYBAK WILLIAM R Director Neutral 52.5 - 0.00% ✗ -
Dec 12, 2007 Calamos Advisors LLC Other Neutral 52.5 - 0.00% ✗ -
Dec 15, 2006 Calamos Advisors LLC Other Neutral 52.5 - 0.00% ✗ -
Dec 15, 2006 RYBAK WILLIAM R Director Neutral 52.5 - 0.00% ✗ -
Dec 15, 2006 CALAMOS NICK P President Neutral 52.5 - 0.00% ✗ -
Dec 15, 2006 CALAMOS JOHN P SR Chair Neutral 52.5 - 0.00% ✗ -
Oct 11, 2006 Oct 12, 2006 TIMBERS STEPHEN B Director Buy 95.0 +4,500 225.00% ✗ $66.5K
May 2, 2006 May 3, 2006 TIMBERS STEPHEN B Director Buy 91.3 +2,000 100.00% ✗ $27.8K
Apr 6, 2006 Apr 6, 2006 Mickey Mark Chief Compliance Officer Buy 91.3 +2,500 100.00% ✗ $35.2K
Apr 6, 2006 Apr 6, 2006 NEAL JOHN E Director Buy 95.0 +17,700 110.63% ✗ $249.6K
Jan 18, 2006 Jan 19, 2006 TRIPPLE DAVID D Director Buy 91.3 +3,500 100.00% ✗ $49.5K
Jan 13, 2006 TRIPPLE DAVID D Director Neutral 52.5 - 0.00% ✗ -
Jan 9, 2006 Jan 10, 2006 CALAMOS JOHN P SR Chair Buy 97.5 +45,800 58.91% ✗ $639.9K
Nov 14, 2005 Woodard Kevin S assistant secretary Neutral 52.5 - 0.00% ✗ -
Nov 14, 2005 Mickey Mark chief compliance officer Neutral 52.5 - 0.00% ✗ -
Jul 6, 2005 Kovalchuk Moses Assistant Treasurer Neutral 52.5 - 0.00% ✗ -
Dec 27, 2004 Dec 28, 2004 CALAMOS NICK P Director Buy 100.0 +72,750 100.00% ✗ $1M
Dec 27, 2004 Dec 28, 2004 CALAMOS JOHN P SR Director Buy 100.0 +72,750 1455.00% ✗ $1M
Dec 23, 2004 Dec 27, 2004 MARSH WESTON W Director Buy 95.0 +4,400 100.00% ✗ $59.4K
Dec 15, 2004 Dec 16, 2004 RYBAK WILLIAM R Director Buy 91.3 +1,490 100.00% ✗ $20K
Jun 30, 2004 Ciotola Michael Assistant Treasurer Neutral 52.5 - 0.00% ✗ -
May 10, 2004 May 11, 2004 NEAL JOHN E Director Buy 95.0 +16,000 100.00% ✗ $199.4K
May 10, 2004 May 11, 2004 CALAMOS JOHN P SR President Buy 95.0 +5,000 100.00% ✗ $63.1K
Apr 1, 2004 TIMBERS STEPHEN B Director Neutral 52.5 - 0.00% ✗ -
Mar 26, 2004 CALAMOS ASSET MANAGEMENT INC Other Neutral 52.5 - 0.00% ✗ -
Mar 25, 2004 INNES BRUCE D Other Neutral 52.5 - 0.00% ✗ -
Mar 25, 2004 HANAUER JOE F Director Neutral 52.5 - 0.00% ✗ -