<SEC-DOCUMENT>0001683863-23-005497-index.html : 20230718 <SEC-HEADER>0001683863-23-005497.hdr.sgml : 20230718 <ACCEPTANCE-DATETIME>20230718120937 ACCESSION NUMBER: 0001683863-23-005497 CONFORMED SUBMISSION TYPE: N-CSRS PUBLIC DOCUMENT COUNT: 11 CONFORMED PERIOD OF REPORT: 20230531 FILED AS OF DATE: 20230718 DATE AS OF CHANGE: 20230718 EFFECTIVENESS DATE: 20230718 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MFS INVESTMENT GRADE MUNICIPAL TRUST CENTRAL INDEX KEY: 0000847411 IRS NUMBER: 043046360 STATE OF INCORPORATION: MA FISCAL YEAR END: 1130 FILING VALUES: FORM TYPE: N-CSRS SEC ACT: 1940 Act SEC FILE NUMBER: 811-05785 FILM NUMBER: 231093518 BUSINESS ADDRESS: STREET 1: 111 HUNTINGTON AVENUE STREET 2: 24TH FLOOR CITY: BOSTON STATE: MA ZIP: 02199 BUSINESS PHONE: 617-954-5000 MAIL ADDRESS: STREET 1: 111 HUNTINGTON AVENUE STREET 2: 24TH FLOOR CITY: BOSTON STATE: MA ZIP: 02199 FORMER COMPANY: FORMER CONFORMED NAME: COLONIAL INVESTMENT GRADE MUNICIPAL TRUST DATE OF NAME CHANGE: 19920703 </SEC-HEADER> <DOCUMENT> <TYPE>N-CSRS <SEQUENCE>1 <FILENAME>f25897d1.htm <DESCRIPTION>MFS INVESTMENT GRADE MUNICIPAL TRUST NCSRS <TEXT> Document 1 - file: f25897d1.htm
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