<SEC-DOCUMENT>0001125345-21-000050-index.html : 20210402
<SEC-HEADER>0001125345-21-000050.hdr.sgml : 20210402
<ACCEPTANCE-DATETIME>20210401184815
ACCESSION NUMBER:		0001125345-21-000050
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20210402
DATE AS OF CHANGE:		20210401

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACROGENICS INC
		CENTRAL INDEX KEY:			0001125345
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36112
		FILM NUMBER:		21799902

	BUSINESS ADDRESS:	
		STREET 1:		9704 MEDICAL CENTER DRIVE
		CITY:			Rockville
		STATE:			MD
		ZIP:			20850
		BUSINESS PHONE:		301-251-5172

	MAIL ADDRESS:	
		STREET 1:		9704 MEDICAL CENTER DRIVE
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>defa14a_2021notice.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: defa14a_2021notice.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>mgnxnaa_pagex11.jpg
<TEXT>
Document 2 - file: mgnxnaa_pagex11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>mgnxnaa_pagex21.jpg
<TEXT>
Document 3 - file: mgnxnaa_pagex21.jpg

</DOCUMENT>
</SEC-DOCUMENT>