0001081496-21-000001.txt : 20210511 0001081496-21-000001.hdr.sgml : 20210511 20210511095927 ACCESSION NUMBER: 0001081496-21-000001 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210507 FILED AS OF DATE: 20210511 DATE AS OF CHANGE: 20210511 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DIMELLA ROBERT A CENTRAL INDEX KEY: 0001081496 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 811-22551 FILM NUMBER: 21909989 MAIL ADDRESS: STREET 1: 1345 AVENUE OF THE AMERICAS CITY: NEW YORK STATE: NY ZIP: 10105 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MainStay MacKay DefinedTerm Municipal Opportunities Fund CENTRAL INDEX KEY: 0001518557 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 0531 BUSINESS ADDRESS: STREET 1: 51 MADISON AVENUE CITY: NEW YORK STATE: NY ZIP: 10010 BUSINESS PHONE: 212-576-7000 MAIL ADDRESS: STREET 1: 51 MADISON AVENUE CITY: NEW YORK STATE: NY ZIP: 10010 FORMER COMPANY: FORMER CONFORMED NAME: MainStay DefinedTerm Municipal Opportunities Fund DATE OF NAME CHANGE: 20120417 FORMER COMPANY: FORMER CONFORMED NAME: MainStay DefinedTerm Municipal High Income Fund DATE OF NAME CHANGE: 20110419 4 1 primary_doc.xml PRIMARY DOCUMENT X0306 4 2021-05-07 0 0001518557 MainStay MacKay DefinedTerm Municipal Opportunities Fund MMD 0001081496 DIMELLA ROBERT A 1345 AVENUE OF THE AMERICAS NEW YORK NY 10105 0 0 0 1 Portfolio Manager Shares of beneficial interest 2021-05-07 4 S 0 5233 22.9032 D 4549.406 D Shares of beneficial interest 2021-05-07 4 S 0 3985 22.9031 D 564.406 D Shares of beneficial interest 2021-05-10 4 S 0 320 22.8331 D 244.406 D Shares of beneficial interest 2021-05-10 4 S 0 244 22.8359 D 0.406 D The reporting person previously filed a Form 5 on June 18, 2020, since that time the reporting person has acquired and held under a dividend reinvestment plan an additional 391.076 shares. /s/Thomas C. Humbert, Jr., Attorney-in-Fact 2021-05-11