<SEC-DOCUMENT>0001387131-18-006958-index.html : 20181226 <SEC-HEADER>0001387131-18-006958.hdr.sgml : 20181226 <ACCEPTANCE-DATETIME>20181221173544 ACCESSION NUMBER: 0001387131-18-006958 CONFORMED SUBMISSION TYPE: N-CSR PUBLIC DOCUMENT COUNT: 15 CONFORMED PERIOD OF REPORT: 20181031 FILED AS OF DATE: 20181224 DATE AS OF CHANGE: 20181221 EFFECTIVENESS DATE: 20181224 FILER: COMPANY DATA: COMPANY CONFORMED NAME: CALAMOS GLOBAL TOTAL RETURN FUND CENTRAL INDEX KEY: 0001285650 IRS NUMBER: 203377281 FISCAL YEAR END: 1031 FILING VALUES: FORM TYPE: N-CSR SEC ACT: 1940 Act SEC FILE NUMBER: 811-21547 FILM NUMBER: 181250657 BUSINESS ADDRESS: STREET 1: 2020 CALAMOS COURT STREET 2: C/O CALAMOS ADVISORS LLC CITY: NAPERVILLE STATE: IL ZIP: 60563 BUSINESS PHONE: 6302451046 MAIL ADDRESS: STREET 1: 2020 CALAMOS COURT STREET 2: C/O CALAMOS ADVISORS LLC CITY: NAPERVILLE STATE: IL ZIP: 60563 </SEC-HEADER> <DOCUMENT> <TYPE>N-CSR <SEQUENCE>1 <FILENAME>cgo-ncsr_103118.htm <DESCRIPTION>CERTIFIED ANNUAL SHAREHOLDER REPORT <TEXT> Document 1 - file: cgo-ncsr_103118.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.CODE ETH <SEQUENCE>2 <FILENAME>ex99-codeeth.htm <DESCRIPTION>CODE OF ETHICS <TEXT> Document 2 - file: ex99-codeeth.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.CERT <SEQUENCE>3 <FILENAME>ex99-cert.htm <DESCRIPTION>CERTIFICATIONS <TEXT> Document 3 - file: ex99-cert.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.906CERT <SEQUENCE>4 <FILENAME>ex99-906cert.htm <DESCRIPTION>SECTION 906 CERTIFICATION <TEXT> Document 4 - file: ex99-906cert.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.(A)(2)(III) <SEQUENCE>5 <FILENAME>ex99-a2iii.htm <DESCRIPTION>PROXY VOTING POLICIES AND PROCEDURES <TEXT> Document 5 - file: ex99-a2iii.htm
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>cgo-ncsr_0103118img002.gif <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: cgo-ncsr_0103118img002.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>cgo-ncsr_0103118img003.gif <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: cgo-ncsr_0103118img003.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>cgo-ncsr_0103118img004.gif <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: cgo-ncsr_0103118img004.gif
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>cgo-ncsr_0103118img007.gif <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: cgo-ncsr_0103118img007.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>cgo-ncsr_0103118img008.gif <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: cgo-ncsr_0103118img008.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>cgo-ncsr_0103118img009.gif <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: cgo-ncsr_0103118img009.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>cgo-ncsr_0103118img010.gif <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: cgo-ncsr_0103118img010.gif
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