0001193125-16-783910.txt : 20161202 0001193125-16-783910.hdr.sgml : 20161202 20161202162356 ACCESSION NUMBER: 0001193125-16-783910 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20161202 DATE AS OF CHANGE: 20161202 EFFECTIVENESS DATE: 20161202 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: 162031450 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 S000002334 BlackRock National Municipal Fund C000006120 Investor C1 497 1 d286362d497.htm BLACKROCK MUNICIPAL BOND FUND, INC.--INVESTOR C1 BLACKROCK MUNICIPAL BOND FUND, INC.--Investor C1

BlackRock Municipal Bond Fund, Inc.

BlackRock National Municipal Fund

(the “Fund”)

Investor C1 Shares

Supplement dated December 2, 2016 to

the Prospectus dated October 28, 2016

Effective immediately, Walter O’Connor, CFA and Michael Kalinoski, CFA are the portfolio managers of the Fund, and the following changes are made to the Fund’s Prospectus:

The section of the Prospectus entitled “Fund Overview — Key Facts About BlackRock National Municipal Fund — Portfolio Managers” is deleted in its entirety and replaced with the following:

Portfolio Managers

 

Name    Portfolio Manager
of the Fund Since		    Title

Walter O’Connor, CFA

    1996    Managing Director of BlackRock, Inc.

Michael Kalinoski, CFA

    2016    Director of BlackRock, Inc.

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

 

ABOUT THE PORTFOLIO MANAGEMENT OF THE NATIONAL FUND

The Fund is managed by a team of financial professionals. Walter O’Connor, CFA, and Michael Kalinoski, 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 Prospectus entitled “Management of the Funds — Portfolio Manager Information — National Fund” is deleted in its entirety and replaced with the following:

National Fund

The Fund is managed by a team of financial professionals. Walter O’Connor, CFA, and Michael Kalinoski, 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’Connor, 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.    1996    Managing Director of BlackRock, Inc. since 2006.

Michael Kalinoski, 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.    2016    Director of BlackRock, Inc. since 2006.

Shareholders should retain this Supplement for future reference.

PR-10051-PRI-1216SUP