0001562180-19-004830.txt : 20190916 0001562180-19-004830.hdr.sgml : 20190916 20190916183602 ACCESSION NUMBER: 0001562180-19-004830 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190912 FILED AS OF DATE: 20190916 DATE AS OF CHANGE: 20190916 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: COOKE MICHAEL P. CENTRAL INDEX KEY: 0001741288 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38541 FILM NUMBER: 191095687 MAIL ADDRESS: STREET 1: C/O MAGENTA THERAPEUTICS STREET 2: 50 HAMPSHIRE STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Magenta Therapeutics, Inc. CENTRAL INDEX KEY: 0001690585 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 100 TECHNOLOGY SQUARE STREET 2: 5TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-201-2700 MAIL ADDRESS: STREET 1: 100 TECHNOLOGY SQUARE STREET 2: 5TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 4 1 primarydocument.xml PRIMARY DOCUMENT X0306 4 2019-09-12 false 0001690585 Magenta Therapeutics, Inc. MGTA 0001741288 COOKE MICHAEL P. C/O MAGENTA THERAPEUTICS, INC. 100 TECHNOLOGY SQUARE, 5TH FLOOR CAMBRIDGE MA 02139 false true false false Chief Scientific Officer common stock 2019-09-12 4 S false 844.00 12.00 D 264679.00 D This trade is pursuant to an active 10b5-1 plan. /s/ Zoran Zdraveski, Attorney-in-Fact for Michael P. Cooke 2019-09-16