0000899243-21-001581.txt : 20210112 0000899243-21-001581.hdr.sgml : 20210112 20210112204254 ACCESSION NUMBER: 0000899243-21-001581 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210101 FILED AS OF DATE: 20210112 DATE AS OF CHANGE: 20210112 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Walker Trent CENTRAL INDEX KEY: 0001401044 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 811-10333 FILM NUMBER: 21524733 MAIL ADDRESS: STREET 1: C/O PIMCO STREET 2: 650 NEWPORT CENTER DRIVE CITY: NEWPORT BEACH STATE: CA ZIP: 92660 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: BLACKROCK MUNICIPAL INCOME INVESTMENT TRUST CENTRAL INDEX KEY: 0001137392 IRS NUMBER: 510409116 STATE OF INCORPORATION: DE FISCAL YEAR END: 1031 BUSINESS ADDRESS: STREET 1: 100 BELLEVUE PARKWAY STREET 2: MUTUAL FUND DEPARTMENT CITY: WILMINGTON STATE: DE ZIP: 19809 BUSINESS PHONE: 888-825-2257 MAIL ADDRESS: STREET 1: 100 BELLEVUE PARKWAY STREET 2: MUTUAL FUND DEPARTMENT CITY: WILMINGTON STATE: DE ZIP: 19809 FORMER COMPANY: FORMER CONFORMED NAME: BLACKROCK FLORIDA MUNICIPAL INCOME TRUST DATE OF NAME CHANGE: 20010330 3 1 doc3.xml FORM 3 SUBMISSION X0206 3 2021-01-01 1 0001137392 BLACKROCK MUNICIPAL INCOME INVESTMENT TRUST BBF 0001401044 Walker Trent 55 EAST 52ND STREET NEW YORK NY 10055 0 1 0 0 Chief Financial Officer /s/ Dean A. Caruvana as Attorney-in-Fact 2021-01-12