0001671788-23-000001.txt : 20231206 0001671788-23-000001.hdr.sgml : 20231206 20231206161340 ACCESSION NUMBER: 0001671788-23-000001 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231206 FILED AS OF DATE: 20231206 DATE AS OF CHANGE: 20231206 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Koudounis John S. CENTRAL INDEX KEY: 0001671788 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 811-21484 FILM NUMBER: 231469744 MAIL ADDRESS: STREET 1: 2020 CALAMOS COURT CITY: NAPERVILLE STATE: IL ZIP: 60563 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CALAMOS STRATEGIC TOTAL RETURN FUND CENTRAL INDEX KEY: 0001275214 IRS NUMBER: 043785941 FISCAL YEAR END: 1031 BUSINESS ADDRESS: STREET 1: 2020 CALAMOS COURT STREET 2: C/O CALAMOS ADVISORS LLC CITY: NAPERVILLE STATE: IL ZIP: 60653 BUSINESS PHONE: 6302451046 MAIL ADDRESS: STREET 1: 2020 CALAMOS COURT STREET 2: C/O CALAMOS ADVISORS LLC CITY: NAPERVILLE STATE: IL ZIP: 60653 4 1 primary_doc.xml PRIMARY DOCUMENT X0508 4 2023-12-06 0 0001275214 CALAMOS STRATEGIC TOTAL RETURN FUND CSQ 0001671788 Koudounis John S. 2020 CALAMOS COURT NAPERVILLE IL 60563 0 1 0 0 Vice President 0 Common Stock 2023-12-06 4 S 0 100 14.1702 D 13310 I By Spouse Common Stock 2023-12-06 4 S 0 1191 14.17 D 12119 I By Spouse Common Stock 2023-12-06 4 S 0 1731 14.18 D 10388 I By Spouse Common Stock 2023-12-06 4 S 0 9476 14.16 D 912 I By Spouse Common Stock 2023-12-06 4 S 0 912 14.19 D 0 I By Spouse Common Stock 15830 D /s/ John S. Koudounis 2023-12-06