• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Dashboard
    Quantisnow Logo

    © 2025 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlerts
    Company
    AboutQuantisnow PlusContactJobs
    Legal
    Terms of usePrivacy policyCookie policy

    SEC Form SC 13G/A filed by Calamos Strategic Total Return (Amendment)

    2/28/23 10:56:42 AM ET
    $CSQ
    Finance Companies
    Finance
    Get the next $CSQ alert in real time by email
    SC 13G/A 1 calamos13ga4q2022.htm AMENDMENT NO. 5 TO SCHEDULE 13G
     
     

    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549
     
    SCHEDULE 13G
     
    Under the Securities Exchange Act of 1934
     (Amendment No. 5)*
     
     
    CALAMOS STRATEGIC TOTAL RETURN FUND
    (Name of Issuer)
     
    Series B Mandatory Redeemable Preferred Shares
    Series C Mandatory Redeemable Preferred Shares
    (Title of Class of Securities)
     
    128125*37
    128125*45
    (CUSIP Number)
     
    December 31, 2022
    (Date of Event which Requires Filing of this Statement)
     

    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
     
    ☑           Rule 13d-1(b)
    ☐           Rule 13d-1(c)
    ☐           Rule 13d-1(d)

    *The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.
    The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).





     
    1
    NAMES OF REPORTING PERSON
     
     
    Sun Life Assurance Company of Canada
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☐
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     
    Canada
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     
    720,000
     
     
     
     
    6
    SHARED VOTING POWER
     
     
    0
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     
    720,000
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     
    0
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     
    720,000
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     
    5.56%
     
     
     
     
    12
    TYPE OF REPORTING PERSON
     
     
    FI, IC, CO
     
     
     
     
     
     



     
    1
    NAMES OF REPORTING PERSON
     
     
    Sun Life Financial Inc.
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☐
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     
    Canada
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     
    0
     
     
     
     
    6
    SHARED VOTING POWER
     
     
    720,000
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     
    0
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     
    720,000
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     
    720,000
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     
    5.56%
     
     
     
     
    12
    TYPE OF REPORTING PERSON
     
     
    FI, HC, CO
     
     
     
     
     
     





     
    Item 1.
    (a)
    Name of Issuer:
     
          Calamos Strategic Total Return Fund
           
       
    (b)
    Address of Issuer’s Principal Executive Offices:
           
         
    2020 Calamos Court
    Naperville, Illinois 60563
           
           
     
    Item 2.
    (a)

    (i)
    (ii)
    Name of Persons Filing:

    Sun Life Assurance Company of Canada ("SLA")
    Sun Life Financial Inc. ("SLF")
       


       
     
       
    (b)
    Address of Principal Business Office or, if none, Residence :
           
         
    SLA and SLF:

    One York Street
    Toronto, Ontario, Canada M5J 0B6
           
       
    (c)
    Citizenship or Place of Organization:
           
         
    SLA and SLF:  Canada
         
     
       
    (d)
    Title of Class of Securities:
         
     
    Mandatory Redeemable Preferred Shares
           
       
    (e)
    CUSIP Number:

    128125*37
    128125*45
           
     
     
    Item 3.
    If this statement is filed pursuant to Sections 240.13d-1(b) or 240.13d-2(b) or (c),
    check whether the person filing is a:
     
             
       
    (a)
    [   ]   Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
     
       
    (b)
    [   ]   Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c);
     
       
    (c)
    [   ]   Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c);
     
       
    (d)
    [   ]   Investment company registered under Section 8 of the Investment
            Company Act of 1940 (U.S.C. 80a-8);
     
       
    (e)
    [   ]  An investment adviser in accordance with Section
            240.13d-1(b)(1)(ii)(E);
     
       
    (f)
    [   ]  An employee benefit plan or endowment fund in accordance with
            Section 240.13d-1(b)(1)(ii)(F);
     
       
    (g)
    [X]   A parent holding company or control person in accordance with
             Section 240.13d-1(b)(1)(ii)(G);
     
       
    (h)
    [   ]   A savings associations as defined in Section 3(b) of the Federal
             Deposit Insurance Act (12 U.S.C. 1813);
     
       
    (i)
    [   ]   A church plan that is excluded from the definition of an investment
             company under Section 3(c)(14) of the Investment Company Act
             of 1940 (15 U.S.C. 80a-3);
     
     
     


     

     

     
    (j)
    [X ]   A non-U.S. institution in accordance with Section 240.13d-1(b)(1) (ii)(J).
         
     
    (k)
    [   ]   Group, in accordance with Section 240.13d-1(b)(1)(ii)(K).
         
     
    If filing as a non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J), please specify the type of institution:   Insurance Company


    Item 4.  Ownership:
           
        Provide  the following information regarding the aggregate number and percentage of the class of securities of the Issuer identified in Item 1. 
           
       
    (a)
    Amount beneficially owned:
         
     
    (i)   SLA:   720,000
    (ii)  SLF:    720,000
           
       
    (b)
    Percent of class:
         
     
    (i)   SLA:   5.56%
    (ii)  SLF:    5.56%
           
       
    (c)
    Number of shares as to which the person has:
           
         
    (i)     Sole power to vote or to direct the vote:
         
     
    (1)   SLA:   720,000
    (2)   SLF:               0
           
         
    (ii)     Shared power to vote or direct the vote:
         
     
    (1)   SLA:              0
    (2)   SLF:    720,000
           
         
    (iii)    Sole power to dispose or direct the disposition of:
         
     
    (1)   SLA:    720,000
    (2)   SLF:                0
           
         
    (iv)    Shared power to dispose or to direct the disposition of:
         
     
    (1)   SLA:              0
    (2)   SLF:    720,000



           
     
    Item 5.
    Ownership of Five Percent or Less of a Class:
         
     
        Not Applicable
           
     
    Item 6.
    Ownership of More than Five Percent on Behalf of Another Person:
           
        Not Applicable
           
     
    Item 7.
    Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company:
           
        Not Applicable
         
     
    Item 8.
    Identification and Classification of Members of  the Group:
           
        Not Applicable 
           
     
    Item 9.
    Notice of Dissolution of Group.
           
        Not Applicable
           
     
    Item 10.
    Certification:
           
       
    By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

    By signing below I certify that, to the best of my knowledge and belief, the foreign regulatory scheme applicable to insurance companies in Canada is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institutions.  I also undertake to furnish the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D.



    SIGNATURES

    The undersigned certify, after reasonable inquiry and to the best knowledge and belief of the undersigned, that the information set forth in this Statement is true, complete and correct.  The undersigned agree to the filing of this single Statement on Schedule 13G in accordance with Rule 13d-1(k)(1).
     
      Sun Life Assurance Company of Canada
     
           
    Date:  February 28, 2023
    By:
    /s/ Randolph B. Brown
     
      Name:
    Randolph B. Brown
     
      Title:
    Authorized Signatory
     
           
      By:
    /s/ Brett W. Pacific
     
    Date:  February 28, 2023
    Name:
    Brett W. Pacific
     
      Title:
    Authorized Signatory
     
           

         
      Sun Life Financial Inc. 
     
           
    Date:  February 28, 2023
    By:
    /s/ Randolph B. Brown
     
      Name:
    Randolph B. Brown
     
      Title:
    Authorized Signatory
     
           
    Date:  February 28, 2023
    By:
    /s/ Brett W. Pacific
     
      Name:
    Brett W. Pacific
     
      Title:
    Authorized Signatory
     


    EXHIBIT 1
    WHEREAS, in accordance with Rule 13d-1(k)(1) under the Securities and Exchange Act of 1934 (the "Act"), only one joint Statement and any amendments thereto need to be filed whenever one or more persons  are required to file such a Statement or any amendments thereto pursuant to Section 13(d) of the Act with respect to the same securities, provided that said persons agree in writing that such Statement or amendments thereto is filed on behalf of each of them;
    NOW, THEREFORE, the parties hereto agree as follows:
    Sun Life Assurance Company of Canada and Sun Life Financial Inc. do hereby agree, in accordance with Rule 13d-1(k)(1) under the Act, to file a Statement on Schedule 13G relating to their ownership of the securities of the Issuer, and do hereby further agree that said Statement on Schedule 13G shall be filed on behalf of each of them.


      Sun Life Assurance Company of Canada
     
           
    Date:  February 28, 2023
    By:
    /s/ Randolph B. Brown
     
      Name:
    Randolph B. Brown
     
      Title:
    Authorized Signatory
     
           
      By:
    /s/ Brett W. Pacific
     
    Date:  February 28, 2023
    Name:
    Brett W. Pacific
     
      Title:
    Authorized Signatory
     
           

         
      Sun Life Financial Inc. 
     
           
    Date:  February 28, 2023
    By:
    /s/ Randolph B. Brown
     
      Name:
    Randolph B. Brown
     
      Title:
    Authorized Signatory
     
           
    Date:  February 28, 2023
    By:
    /s/ Brett W. Pacific
     
      Name:
    Brett W. Pacific
     
      Title:
    Authorized Signatory
     

     
    Get the next $CSQ alert in real time by email

    Chat with this insight

    Save time and jump to the most important pieces.

    Recent Analyst Ratings for
    $CSQ

    DatePrice TargetRatingAnalyst
    More analyst ratings

    $CSQ
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    See more
    • VP and CFO Herman Thomas E bought $424,668 worth of Calamos Strategic Total Return Fund (23,190 units at $18.31) (SEC Form 4)

      4 - CALAMOS STRATEGIC TOTAL RETURN FUND (0001275214) (Issuer)

      1/31/25 12:27:45 PM ET
      $CSQ
      Finance Companies
      Finance
    • SEC Form 3 filed by new insider Kiley Thomas P Iii

      3 - CALAMOS STRATEGIC TOTAL RETURN FUND (0001275214) (Issuer)

      12/27/24 5:35:34 PM ET
      $CSQ
      Finance Companies
      Finance
    • Large owner Thrivent Financial For Lutherans acquired $16,500,000 worth of Mandatory Redeemable Preferred Shares (660,000 units at $25.00) (SEC Form 4)

      4 - CALAMOS STRATEGIC TOTAL RETURN FUND (0001275214) (Issuer)

      10/9/24 4:44:24 PM ET
      $CSQ
      Finance Companies
      Finance

    $CSQ
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    See more
    • Amendment: SEC Form SC 13G/A filed by Calamos Strategic Total Return

      SC 13G/A - CALAMOS STRATEGIC TOTAL RETURN FUND (0001275214) (Subject)

      11/14/24 4:56:02 PM ET
      $CSQ
      Finance Companies
      Finance
    • Amendment: SEC Form SC 13G/A filed by Calamos Strategic Total Return

      SC 13G/A - CALAMOS STRATEGIC TOTAL RETURN FUND (0001275214) (Subject)

      11/8/24 4:44:56 PM ET
      $CSQ
      Finance Companies
      Finance
    • SEC Form SC 13G filed by Calamos Strategic Total Return

      SC 13G - CALAMOS STRATEGIC TOTAL RETURN FUND (0001275214) (Subject)

      8/30/24 6:06:27 AM ET
      $CSQ
      Finance Companies
      Finance

    $CSQ
    Financials

    Live finance-specific insights

    See more
    • Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution

      METRO CHICAGO, Ill., May 1, 2025 /PRNewswire/ -- Calamos Investments®* has announced monthly distributions and sources of distributions paid in May 2025 to shareholders of its seven closed-end funds (the Funds) pursuant to the Funds' respective distribution plans. Fund Distribution Payable Record Ex-dividend date date date CHI (inception 06/26/2002) Calamos Convertible Opportunities and Income Fund $0.0950 5/20/25 5/13/25 5/13/25 CHY (inception 05/28/2003) Calamos Convertible and High Income Fund $0.1000 5/20/25 5/13/25 5/13/25 CSQ (inception 03/26/2004) Calamos Strategic Total Return Fund $0.1025 5/20/25 5/13/25 5/13/25 CGO (inception 10/27/2005) Calamos Global Total Return Fund $0.0800 5/

      5/1/25 4:05:00 PM ET
      $CCD
      $CGO
      $CHI
      $CHW
      Trusts Except Educational Religious and Charitable
      Finance
      Investment Managers
      Finance Companies
    • Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution

      METRO CHICAGO, Ill., April 1, 2025 /PRNewswire/ -- Calamos Investments®* has announced monthly distributions and sources of distributions paid in April 2025 to shareholders of its seven closed-end funds (the Funds) pursuant to the Funds' respective distribution plans.   Fund Distribution   Payable date   Record date   Ex-dividend date CHI (inception 06/26/2002) Calamos Convertible Opportunities and Income Fund $0.0950 4/21/25  4/11/25  4/11/25 CHY (inception 05/28/2003) Calamos Convertible and High Income Fund $0.1000 4/21/25  4/11/25  4/11/25 CSQ (inception 03/26/2004) Calamos Strategic Total Return Fund $0.1025 4/21/25  4/11/25  4/11/25 CGO (inception 10/27/2005) Calamos Global Total Retu

      4/1/25 4:09:00 PM ET
      $CCD
      $CGO
      $CHI
      $CHW
      Trusts Except Educational Religious and Charitable
      Finance
      Investment Managers
      Finance Companies
    • Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution

      METRO CHICAGO, Ill., March 3, 2025 /PRNewswire/ -- Calamos Investments®* has announced monthly distributions and sources of distributions paid in March 2025 to shareholders of its seven closed-end funds (the Funds) pursuant to the Funds' respective distribution plans. Fund Distribution Payable Record Ex-dividend date date date CHI (inception 06/26/2002) Calamos Convertible Opportunities and Income Fund $0.0950 3/20/25 3/13/25 3/13/25 CHY (inception 05/28/2003) Calamos Convertible and High Income $0.1000 3/20/25 3/13/25 3/13/25 Fund CSQ (inception 03/26/2004) Calamos Strategic Total Return Fund $0.1025 3/20/25 3/13/25 3/13/25 CGO (inception 10/27/2005) Calamos Global Total Return Fund $0.080

      3/3/25 4:05:00 PM ET
      $CCD
      $CGO
      $CHI
      $CHW
      Trusts Except Educational Religious and Charitable
      Finance
      Investment Managers
      Finance Companies

    $CSQ
    Press Releases

    Fastest customizable press release news feed in the world

    See more
    • Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution

      METRO CHICAGO, Ill., May 1, 2025 /PRNewswire/ -- Calamos Investments®* has announced monthly distributions and sources of distributions paid in May 2025 to shareholders of its seven closed-end funds (the Funds) pursuant to the Funds' respective distribution plans. Fund Distribution Payable Record Ex-dividend date date date CHI (inception 06/26/2002) Calamos Convertible Opportunities and Income Fund $0.0950 5/20/25 5/13/25 5/13/25 CHY (inception 05/28/2003) Calamos Convertible and High Income Fund $0.1000 5/20/25 5/13/25 5/13/25 CSQ (inception 03/26/2004) Calamos Strategic Total Return Fund $0.1025 5/20/25 5/13/25 5/13/25 CGO (inception 10/27/2005) Calamos Global Total Return Fund $0.0800 5/

      5/1/25 4:05:00 PM ET
      $CCD
      $CGO
      $CHI
      $CHW
      Trusts Except Educational Religious and Charitable
      Finance
      Investment Managers
      Finance Companies
    • Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution

      METRO CHICAGO, Ill., April 1, 2025 /PRNewswire/ -- Calamos Investments®* has announced monthly distributions and sources of distributions paid in April 2025 to shareholders of its seven closed-end funds (the Funds) pursuant to the Funds' respective distribution plans.   Fund Distribution   Payable date   Record date   Ex-dividend date CHI (inception 06/26/2002) Calamos Convertible Opportunities and Income Fund $0.0950 4/21/25  4/11/25  4/11/25 CHY (inception 05/28/2003) Calamos Convertible and High Income Fund $0.1000 4/21/25  4/11/25  4/11/25 CSQ (inception 03/26/2004) Calamos Strategic Total Return Fund $0.1025 4/21/25  4/11/25  4/11/25 CGO (inception 10/27/2005) Calamos Global Total Retu

      4/1/25 4:09:00 PM ET
      $CCD
      $CGO
      $CHI
      $CHW
      Trusts Except Educational Religious and Charitable
      Finance
      Investment Managers
      Finance Companies
    • Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution

      METRO CHICAGO, Ill., March 3, 2025 /PRNewswire/ -- Calamos Investments®* has announced monthly distributions and sources of distributions paid in March 2025 to shareholders of its seven closed-end funds (the Funds) pursuant to the Funds' respective distribution plans. Fund Distribution Payable Record Ex-dividend date date date CHI (inception 06/26/2002) Calamos Convertible Opportunities and Income Fund $0.0950 3/20/25 3/13/25 3/13/25 CHY (inception 05/28/2003) Calamos Convertible and High Income $0.1000 3/20/25 3/13/25 3/13/25 Fund CSQ (inception 03/26/2004) Calamos Strategic Total Return Fund $0.1025 3/20/25 3/13/25 3/13/25 CGO (inception 10/27/2005) Calamos Global Total Return Fund $0.080

      3/3/25 4:05:00 PM ET
      $CCD
      $CGO
      $CHI
      $CHW
      Trusts Except Educational Religious and Charitable
      Finance
      Investment Managers
      Finance Companies

    $CSQ
    Insider Purchases

    Insider purchases reveal critical bullish sentiment about the company from key stakeholders. See them live in this feed.

    See more
    • VP and CFO Herman Thomas E bought $424,668 worth of Calamos Strategic Total Return Fund (23,190 units at $18.31) (SEC Form 4)

      4 - CALAMOS STRATEGIC TOTAL RETURN FUND (0001275214) (Issuer)

      1/31/25 12:27:45 PM ET
      $CSQ
      Finance Companies
      Finance

    $CSQ
    SEC Filings

    See more
    • SEC Form N-CEN filed by Calamos Strategic Total Return

      N-CEN - CALAMOS STRATEGIC TOTAL RETURN FUND (0001275214) (Filer)

      1/10/25 3:50:47 PM ET
      $CSQ
      Finance Companies
      Finance
    • SEC Form N-CSR filed by Calamos Strategic Total Return

      N-CSR - CALAMOS STRATEGIC TOTAL RETURN FUND (0001275214) (Filer)

      12/27/24 3:32:49 PM ET
      $CSQ
      Finance Companies
      Finance
    • Amendment: SEC Form SCHEDULE 13G/A filed by Calamos Strategic Total Return

      SCHEDULE 13G/A - CALAMOS STRATEGIC TOTAL RETURN FUND (0001275214) (Subject)

      11/12/24 3:50:15 PM ET
      $CSQ
      Finance Companies
      Finance