Calamos Strategic Total Return Fund SEC filings CSQ

Calamos Strategic Total Return Fund has 452 filings in SEC EDGAR's recent list, going back to Jan 7, 2004. The most recent current report (Form 8-K) was filed on May 14, 2024 (bylaw or fiscal year change). The company's fiscal year ends on October 31.

Calamos Strategic Total Return Fund SEC filings
Form Description Filed Period
NPORT-P Filing Sep 29, 2026 Jul 31, 2026
N-PX Filing Aug 28, 2026 Jun 30, 2026
NPORT-P/A Filing Aug 27, 2026 Apr 30, 2024
N-23C-2 Filing Jul 24, 2026 Jul 24, 2026
N-CSRS Filing Jul 2, 2026 Apr 30, 2026
40-17G Filing Jun 29, 2026 —
NPORT-P Filing Jun 26, 2026 Apr 30, 2026
DEF 14A Proxy statement May 11, 2026 Jun 23, 2026
NPORT-P Filing Mar 31, 2026 Jan 31, 2026
N-CEN Filing Jan 13, 2026 Oct 31, 2025
N-CSR Filing Dec 29, 2025 Oct 31, 2025
NPORT-P Filing Dec 23, 2025 Oct 31, 2025
NPORT-P Filing Sep 29, 2025 Jul 31, 2025
40-17G/A Filing Sep 16, 2025 —
N-PX Filing Aug 27, 2025 Jun 30, 2025
N-CSRS Filing Jun 27, 2025 Apr 30, 2025
NPORT-P Filing Jun 27, 2025 Apr 30, 2025
40-17G Filing Jun 26, 2025 —
DEF 14A Proxy statement May 12, 2025 Jun 23, 2025
CORRESP Letter to the SEC Apr 25, 2025 —
NPORT-P Filing Mar 25, 2025 Jan 31, 2025
40-17G/A Filing Mar 13, 2025 —
N-CEN Filing Jan 10, 2025 Oct 31, 2024
N-CSR Filing Dec 27, 2024 Oct 31, 2024
NPORT-P Filing Dec 16, 2024 Oct 31, 2024
NPORT-P Filing Sep 30, 2024 Jul 31, 2024
N-PX Filing Aug 30, 2024 Jun 30, 2024
N-23C-2 Filing Aug 2, 2024 Aug 2, 2024
NPORT-P Filing Jul 1, 2024 Apr 30, 2024
N-CSRS Filing Jun 27, 2024 Apr 30, 2024
40-17G Filing Jun 20, 2024 —
8-K Current report
Bylaw or fiscal year change
May 14, 2024 May 14, 2024
DEF 14A Proxy statement May 14, 2024 Jun 26, 2024
NPORT-P Filing Mar 27, 2024 Jan 31, 2024
N-CEN Filing Jan 16, 2024 Oct 31, 2023
N-CSR Filing Dec 29, 2023 Oct 31, 2023
NPORT-P Filing Dec 27, 2023 Oct 31, 2023
424B3 Prospectus Oct 2, 2023 —
NPORT-P Filing Sep 29, 2023 Jul 31, 2023
N-PX Brd8w2_0001275214_2023 Aug 28, 2023 Jun 30, 2023
N-CSRS Certified semi-annual shareholder report Jun 28, 2023 Apr 30, 2023
NPORT-P Filing Jun 28, 2023 Apr 28, 2023
DEF 14A Proxy statement May 8, 2023 Jun 20, 2023
40-17G Filing May 5, 2023 —
NPORT-P Filing Mar 31, 2023 Jan 31, 2023
N-CEN Filing Jan 17, 2023 Oct 31, 2022
N-CSR Annual shareholder report Dec 28, 2022 —
NPORT-P Filing Dec 22, 2022 Oct 31, 2022
424B3 Prospectus Oct 3, 2022 —
NPORT-P Filing Sep 29, 2022 Jul 31, 2022
N-PX Brd8w2_0001275214_2022 Aug 22, 2022 Jun 30, 2022
N-23C-2 Filing Aug 5, 2022 Sep 6, 2022
NPORT-P Filing Jun 27, 2022 Apr 30, 2022
N-CSRS Certified semi-annual shareholder report Jun 24, 2022 Apr 30, 2022
40-17G Filing Jun 15, 2022 —
CORRESP Letter to the SEC Jun 7, 2022 —
N-CSR/A Filing Jun 6, 2022 Oct 31, 2021
424B3 Prospectus Jun 2, 2022 —
DEF 14A Proxy statement May 11, 2022 Jun 28, 2022
NPORT-P Filing Mar 25, 2022 Jan 31, 2022
424B3 Prospectus Jan 19, 2022 —
N-CEN Filing Jan 13, 2022 Oct 31, 2021
424B3 Prospectus Jan 3, 2022 —
N-CSR Certified annual shareholder report Dec 29, 2021 Oct 31, 2021
NPORT-P Filing Dec 23, 2021 Oct 31, 2021
424B3 Prospectus Sep 30, 2021 —
NPORT-P Filing Sep 28, 2021 Jul 31, 2021
424B3 Prospectus Aug 27, 2021 —
N-PX Brd8w2_0001275214_2021 Aug 27, 2021 Jun 30, 2021
8-K Current report
Bylaw or fiscal year change
Aug 26, 2021 Aug 23, 2021
497 Filing Jun 30, 2021 —
NPORT-P Filing Jun 28, 2021 Apr 30, 2021
N-CSRS Certified semi-annual shareholder report Jun 25, 2021 Apr 30, 2021
40-17G Filing Jun 21, 2021 —
DEF 14A Proxy statement May 12, 2021 Jun 29, 2021
424B5 Prospectus supplement May 5, 2021 —
N-2ASR N-2 Apr 30, 2021 —
NPORT-P Filing Mar 31, 2021 Jan 31, 2021
N-CEN Filing Jan 12, 2021 Oct 31, 2020
8-K Current report
Bylaw or fiscal year change
Jan 12, 2021 Jan 12, 2021
N-CSR Certified annual shareholder report Dec 30, 2020 Oct 31, 2020
NPORT-P Filing Dec 18, 2020 Oct 31, 2020
NPORT-P Filing Sep 29, 2020 Jul 31, 2020
N-PX Brd8w2_0001275214_2020 Aug 27, 2020 Jun 30, 2020
N-CSRS Semi-annual shareholder report Jul 1, 2020 Apr 30, 2020
NPORT-P Filing Jun 26, 2020 Apr 30, 2020
40-17G Filing Jun 26, 2020 —
DEF 14A Proxy statement May 14, 2020 Jun 29, 2020
NPORT-P Filing Mar 31, 2020 Jan 31, 2020
N-CEN Filing Jan 13, 2020 Oct 31, 2019
N-CSR Certified annual shareholder report Dec 27, 2019 Oct 31, 2019
NPORT-P Filing Dec 27, 2019 Oct 31, 2019
NPORT-EX Calamos strategic total return fund Sep 30, 2019 Jul 31, 2019
N-PX Brd8w2_0001275214_2019.txt Aug 28, 2019 Jun 30, 2019
N-CSRS Semi-annual shareholder report Jun 25, 2019 Apr 30, 2019
DEF 14A Proxy statement May 24, 2019 Jul 9, 2019
40-17G Filing May 3, 2019 —
N-CEN/A Filing Apr 5, 2019 Oct 31, 2018
N-Q Quarterly schedule of portfolio holdings Mar 7, 2019 Jan 31, 2019
N-CEN Filing Jan 14, 2019 Oct 31, 2018
N-CSR Certified annual shareholder report Dec 24, 2018 Oct 31, 2018
N-Q Quarterly schedule of portfolio holdings Sep 7, 2018 Jul 31, 2018
40-17G/A Filing Sep 6, 2018 —
N-PX Brd8w2_0001275214_2018 Aug 28, 2018 Jun 30, 2018
N-CSRS Semi-annual shareholder report Jun 21, 2018 Apr 30, 2018
DEF 14A Proxy statement May 14, 2018 Jun 28, 2018
40-17G Filing May 11, 2018 —
N-Q Quarterly schedule of portfolio holdings Mar 8, 2018 Jan 31, 2018
N-CSR/A Amendment to form n-csr Jan 8, 2018 Oct 31, 2017
40-17G/A Filing Jan 3, 2018 —
N-CSR Certified annual shareholder report Dec 28, 2017 Oct 31, 2017
NSAR-B Answer file Dec 28, 2017 Oct 31, 2017
N-Q Quarterly schedule of portfolio holdings Sep 1, 2017 Jul 31, 2017
N-PX Brd8w2_0001275214.txt Aug 28, 2017 Jun 30, 2017
NSAR-A Answer file Jun 26, 2017 Apr 30, 2017
N-CSRS Certified semi-annual shareholder report Jun 23, 2017 Apr 30, 2017
40-17G Filing May 31, 2017 —
DEF 14A Proxy statement May 4, 2017 Jun 20, 2017
N-Q Quarterly schedule of portfolio holdings Mar 3, 2017 Jan 31, 2017
NSAR-B Answer file Dec 29, 2016 Oct 31, 2016
N-CSR Certified annual shareholder report Dec 21, 2016 Oct 31, 2016
CORRESP Letter to the SEC Oct 27, 2016 —
NSAR-B/A Answer file Oct 14, 2016 Oct 31, 2015
N-Q Filing Sep 15, 2016 Jul 31, 2016
N-PX Brd8w2_0001275214_2016.txt Aug 30, 2016 Jun 30, 2016
NSAR-A Answer file Jun 24, 2016 Apr 30, 2016
N-CSRS Filing Jun 21, 2016 Apr 30, 2016
40-17G Filing May 17, 2016 —
DEF 14A Proxy statement May 10, 2016 Jun 30, 2016
N-Q Filing Mar 22, 2016 Jan 31, 2016
NSAR-B Cvxa answers 10.31.15 Dec 29, 2015 Oct 31, 2015
N-CSR Filing Dec 23, 2015 Oct 31, 2015
N-Q Filing Sep 21, 2015 Jul 31, 2015
N-PX Brd8w2_00012752142015.txt Aug 27, 2015 Jun 30, 2015
NSAR-A Answer file Jun 22, 2015 Apr 30, 2015
N-CSRS Filing Jun 19, 2015 Apr 30, 2015
DEF 14A Proxy statement Jun 4, 2015 Jul 16, 2015
40-17G/A Filing May 8, 2015 —
40-17G Filing Apr 22, 2015 —
N-Q Filing Mar 23, 2015 Jan 31, 2015
40-17G/A Filing Feb 4, 2015 —
NSAR-B Answer file Dec 30, 2014 Oct 31, 2014
N-CSR Filing Dec 24, 2014 Oct 31, 2014
N-Q Filing Sep 18, 2014 Jul 31, 2014
N-PX Brd_8w20001275214.txt Aug 28, 2014 Jun 30, 2014
NSAR-A Answer file Jun 25, 2014 Apr 30, 2014
N-CSRS Filing Jun 20, 2014 Apr 30, 2014
DEF 14A Proxy statement May 23, 2014 Jun 25, 2014
40-17G Filing May 16, 2014 —
N-Q Filing Mar 24, 2014 Jan 31, 2014
N-CSR Filing Dec 27, 2013 Oct 31, 2013
NSAR-B Answer file Dec 26, 2013 Oct 31, 2013
N-Q Filing Sep 18, 2013 Jul 31, 2013
N-PX Brd8w20001275214 Aug 30, 2013 Jun 30, 2013
40-17G/A Filing Aug 15, 2013 —
NSAR-A Answer file Jun 27, 2013 Apr 30, 2013
N-CSRS Filing Jun 26, 2013 Apr 30, 2013
40-17G/A Filing Jun 5, 2013 —
DEF 14A Proxy statement May 22, 2013 Jun 21, 2013
40-17G Filing Apr 18, 2013 —
N-Q Filing Mar 25, 2013 Jan 31, 2013
NSAR-B Answer file Dec 26, 2012 Oct 31, 2012
N-CSR Filing Dec 21, 2012 Oct 31, 2012
40-17G/A Filing Oct 2, 2012 —
N-Q Filing Sep 18, 2012 Jul 31, 2012
N-PX Brd_8w20001275214 Aug 31, 2012 Jun 30, 2012
CERTNAS Auto-generated paper document Jun 29, 2012 —
NSAR-A Answer file Jun 28, 2012 Apr 30, 2012
25 Form 25 Jun 28, 2012 —
8-A12B Form 8-a Jun 28, 2012 —
N-CSRS Filing Jun 25, 2012 Apr 30, 2012
DEF 14A Proxy statement May 22, 2012 Jun 27, 2012
40-17G Filing Mar 27, 2012 —
N-Q Filing Mar 22, 2012 Jan 31, 2012
NSAR-B Filing Dec 29, 2011 Oct 31, 2011
N-CSR Filing Dec 29, 2011 Oct 31, 2011
N-Q Form n-q Sep 19, 2011 Jul 31, 2011
N-PX Brd8w20001275214 Aug 31, 2011 Jun 30, 2011
NSAR-A Filing Jun 28, 2011 Apr 30, 2011
N-CSRS Form n-csrs Jun 24, 2011 Apr 30, 2011
DEF 14A Proxy statement May 25, 2011 Jun 30, 2011
N-Q Form n-q Mar 25, 2011 Jan 31, 2011
40-17G Filing Mar 21, 2011 —
NSAR-B Annual report Dec 30, 2010 Oct 31, 2010
N-CSR Form n-csr Dec 21, 2010 Oct 31, 2010
N-Q Form n-q Sep 21, 2010 Jul 31, 2010
N-PX Brd8w20001275214.txt Aug 27, 2010 Jun 30, 2010
NSAR-A Filing Jun 25, 2010 Apr 30, 2010
N-CSRS Form n-csr Jun 24, 2010 Apr 30, 2010
DEF 14A Proxy statement May 10, 2010 Jun 9, 2010
N-Q Form n-q Mar 23, 2010 Jan 31, 2010
40-17G Filing Feb 1, 2010 —
N-CSR Form n-csr Dec 30, 2009 Oct 31, 2008
NSAR-B Filing Dec 29, 2009 Oct 31, 2009
N-Q Filing Sep 25, 2009 Jul 31, 2009
N-PX Brd8w2_0001275214.txt Aug 27, 2009 Jun 30, 2008
NSAR-A Semi annual report Jun 29, 2009 Apr 30, 2009
N-CSRS Filing Jun 26, 2009 Apr 30, 2009
N-23C-2 Filing Jun 8, 2009 Jun 8, 2009
DEF 14A Proxy statement May 18, 2009 Jun 17, 2009

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Listed as
CSQ (Nasdaq)
Fiscal year ends
October 31
Headquarters
Naperville, IL
SEC CIK
1275214

Source: SEC EDGAR filings. This is company-reported data, not investment advice.