0000899243-21-021843.txt : 20210603 0000899243-21-021843.hdr.sgml : 20210603 20210603183305 ACCESSION NUMBER: 0000899243-21-021843 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210601 FILED AS OF DATE: 20210603 DATE AS OF CHANGE: 20210603 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BONNEY MICHAEL W CENTRAL INDEX KEY: 0001219016 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38541 FILM NUMBER: 21994076 MAIL ADDRESS: STREET 1: 65 HAYDEN AVE CITY: LEXINGTON STATE: MA ZIP: 02421 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 doc4.xml FORM 4 SUBMISSION X0306 4 2021-06-01 0 0001690585 Magenta Therapeutics, Inc. MGTA 0001219016 BONNEY MICHAEL W C/O MAGENTA THERAPEUTICS, INC. 100 TECHNOLOGY SQUARE CAMBRIDGE MA 02139 1 0 0 0 Stock Option (Right to Buy) 12.91 2021-06-01 4 A 0 18188 0.00 A 2031-05-31 Common Stock 18188 18188 D This option shall vest and become exercisable in full upon the earlier to occur of (a) June 1, 2022 or (b) the next annual meeting of the Issuer's stockholders. /s/ Cindy Driscoll, Attorney-in-Fact for Michael W. Bonney 2021-06-03