<SEC-DOCUMENT>0001193125-21-264299-index.html : 20210902 <SEC-HEADER>0001193125-21-264299.hdr.sgml : 20210902 <ACCEPTANCE-DATETIME>20210902135959 ACCESSION NUMBER: 0001193125-21-264299 CONFORMED SUBMISSION TYPE: N-CSR PUBLIC DOCUMENT COUNT: 12 CONFORMED PERIOD OF REPORT: 20210630 FILED AS OF DATE: 20210902 DATE AS OF CHANGE: 20210902 EFFECTIVENESS DATE: 20210902 FILER: COMPANY DATA: COMPANY CONFORMED NAME: BLACKROCK MUNICIPAL BOND FUND, INC. CENTRAL INDEX KEY: 0000225635 IRS NUMBER: 132896246 STATE OF INCORPORATION: NJ FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: N-CSR SEC ACT: 1940 Act SEC FILE NUMBER: 811-02688 FILM NUMBER: 211232600 BUSINESS ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 BUSINESS PHONE: 800-441-7762 MAIL ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 FORMER COMPANY: FORMER CONFORMED NAME: MERRILL LYNCH MUNICIPAL BOND FUND INC DATE OF NAME CHANGE: 19920703 FORMER COMPANY: FORMER CONFORMED NAME: ONE LIBERTY MUNICIPAL BOND FUND INC DATE OF NAME CHANGE: 19780622 <SERIES-AND-CLASSES-CONTRACTS-DATA> <EXISTING-SERIES-AND-CLASSES-CONTRACTS> <SERIES> <OWNER-CIK>0000225635 <SERIES-ID>S000002334 <SERIES-NAME>BlackRock National Municipal Fund <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000006118 <CLASS-CONTRACT-NAME>Investor A </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000006121 <CLASS-CONTRACT-NAME>Institutional </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000038033 <CLASS-CONTRACT-NAME>Investor C </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000100249 <CLASS-CONTRACT-NAME>Service Shares </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000100250 <CLASS-CONTRACT-NAME>Class K </CLASS-CONTRACT> </SERIES> <SERIES> <OWNER-CIK>0000225635 <SERIES-ID>S000002335 <SERIES-NAME>BlackRock Short-Term Municipal Fund <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000006122 <CLASS-CONTRACT-NAME>Investor A1 </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000006124 <CLASS-CONTRACT-NAME>Investor C </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000006125 <CLASS-CONTRACT-NAME>Institutional </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000038034 <CLASS-CONTRACT-NAME>Investor A </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000038035 <CLASS-CONTRACT-NAME>Class K Shares </CLASS-CONTRACT> </SERIES> <SERIES> <OWNER-CIK>0000225635 <SERIES-ID>S000011867 <SERIES-NAME>BlackRock High Yield Municipal Fund <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000032425 <CLASS-CONTRACT-NAME>Investor A </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000032427 <CLASS-CONTRACT-NAME>Investor C </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000032428 <CLASS-CONTRACT-NAME>Institutional </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000199786 <CLASS-CONTRACT-NAME>Class K </CLASS-CONTRACT> </SERIES> </EXISTING-SERIES-AND-CLASSES-CONTRACTS> </SERIES-AND-CLASSES-CONTRACTS-DATA> </SEC-HEADER> <DOCUMENT> <TYPE>N-CSR <SEQUENCE>1 <FILENAME>d189532dncsr.htm <DESCRIPTION>BLACKROCK MUNICIPAL BOND FUND, INC. <TEXT> Document 1 - file: d189532dncsr.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.CERT <SEQUENCE>2 <FILENAME>d189532dex99cert.htm <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302 <TEXT> Document 2 - file: d189532dex99cert.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.906CERT <SEQUENCE>3 <FILENAME>d189532dex99906cert.htm <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906 <TEXT> Document 3 - file: d189532dex99906cert.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g189532g09a09.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g189532g09a09.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g189532g15x21.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g189532g15x21.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g189532g19c17.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g189532g19c17.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g189532g42l24.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g189532g42l24.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g189532g63k41.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g189532g63k41.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g189532g95f86.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g189532g95f86.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g189532leaf.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g189532leaf.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g189532photo_01mips.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g189532photo_01mips.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g189532sig_01mips.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g189532sig_01mips.jpg
</DOCUMENT> </SEC-DOCUMENT>