0001193125-23-058156.txt : 20230302 0001193125-23-058156.hdr.sgml : 20230302 20230302160856 ACCESSION NUMBER: 0001193125-23-058156 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230302 DATE AS OF CHANGE: 20230302 EFFECTIVENESS DATE: 20230302 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: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 002-57354 FILM NUMBER: 23698972 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 0000225635 S000011867 BlackRock High Yield Municipal Fund C000032425 Investor A C000032427 Investor C C000032428 Institutional C000199786 Class K 497 1 d474025d497.htm BLACKROCK MUNICIPAL BOND FUND, INC. BLACKROCK MUNICIPAL BOND FUND, INC.

BLACKROCK MUNICIPAL BOND FUND, INC.

BlackRock High Yield Municipal Fund

(the “Fund”)

Supplement dated March 2, 2023 (the “Supplement”) to the Fund’s

Summary Prospectuses and Prospectuses, each dated October 28, 2022, as supplemented to date

The following changes are made to the Fund’s Summary Prospectuses and Prospectuses, as applicable:

The section of the Summary Prospectuses entitled “Key Facts About BlackRock High Yield Municipal Fund — Portfolio Managers” and the section of the Prospectuses entitled “Fund Overview — Key Facts About BlackRock High Yield Municipal Fund — Portfolio Managers” are deleted in their entirety and replaced with the following:

Portfolio Managers

 

Name    Portfolio Manager of
the Fund Since		   Title
Walter O’Conner, CFA    2006   Managing Director of BlackRock, Inc.
Phillip Soccio, CFA    2022   Director of BlackRock, Inc.
Kevin Maloney, CFA    2022   Director of BlackRock, Inc.
Ryan McDonald, CFA    2023   Managing Director of BlackRock, Inc.

The section of the Prospectuses entitled “Details About the Funds — How Each Fund Invests — High Yield Fund — About the Portfolio Management of the High Yield Fund” is deleted in its entirety and replaced with the following:

 

ABOUT THE PORTFOLIO MANAGEMENT OF THE HIGH YIELD FUND
The Fund is managed by a team of financial professionals. Walter O’Conner, CFA, Phillip Soccio, CFA, Kevin Maloney, CFA, and Ryan McDonald, CFA, are the portfolio managers and are jointly and primarily responsible for the day-to-day management of the Fund. Please see “Management of the Funds — Portfolio Manager Information” for additional information about the portfolio management team.

The section of the Prospectuses entitled “Management of the Funds — Portfolio Manager Information — High Yield Fund” is deleted in its entirety and replaced with the following:

High Yield Fund

The Fund is managed by a team of financial professionals. Walter O’Conner, CFA, Phillip Soccio, CFA, Kevin Maloney, CFA, and Ryan McDonald, CFA, are jointly and primarily responsible for the day-to-day management of the Fund.

Portfolio Manager    Primary Role    Since    Title and Recent Biography
Walter O’Conner, CFA    Responsible for the day-to-day management of the Fund’s portfolio, including setting the Fund’s overall investment strategy and overseeing the management of the Fund.    2006    Managing Director of BlackRock, Inc. since 2006.
Phillip Soccio, CFA    Responsible for the day-to-day management of the Fund’s portfolio, including setting the Fund’s overall investment strategy and overseeing the management of the Fund.    2022    Director of BlackRock, Inc. since 2009; Vice President of BlackRock, Inc. from 2005 to 2009.
Kevin Maloney, CFA    Responsible for the day-to-day management of the Fund’s portfolio, including setting the Fund’s overall investment strategy and overseeing the management of the Fund.    2022    Director of BlackRock, Inc. since 2021; Vice President of BlackRock, Inc. from 2018 to 2020; Associate of BlackRock, Inc. from 2014 to 2017; Analyst of BlackRock, Inc. from 2011 to 2013.
Ryan McDonald, CFA    Responsible for the day-to-day management of the Fund’s portfolio, including setting the Fund’s overall investment strategy and overseeing the management of the Fund.    2023    Managing Director of BlackRock, Inc. since 2023; Director of BlackRock, Inc. from 2017 to 2022; Vice President of BlackRock, Inc. from 2014 to 2016; Vice President of Moelis & Co. from 2013 to 2014.

Shareholders should retain this Supplement for future reference.

PRO-HYM-0323SUP

 

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