<SEC-DOCUMENT>9999999995-19-000986-index.html : 20190502
<SEC-HEADER>9999999995-19-000986.hdr.sgml : 20190502
<ACCEPTANCE-DATETIME>20190502001600
ACCESSION NUMBER:		9999999995-19-000986
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190501
DATE AS OF CHANGE:		20190502
EFFECTIVENESS DATE:		20190501

FILER:

	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

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-231097
		FILM NUMBER:		19789553

	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
</SEC-HEADER>
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<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

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