Attached files

file filename
EX-31.1 - EX-31.1 - MACROGENICS INCd702182dex311.htm
EX-31.2 - EX-31.2 - MACROGENICS INCd702182dex312.htm
EX-32.2 - EX-32.2 - MACROGENICS INCd702182dex322.htm
10-Q - FORM 10-Q - MACROGENICS INCd702182d10q.htm

Exhibit 32.1

Certification of Principal Executive Officer

Pursuant to 18 U.S.C. 1350

(Section 906 of the Sarbanes-Oxley Act of 2002)

I, Scott Koenig, President and Chief Executive Officer (principal executive officer) of MacroGenics, Inc. (the “Registrant”), certify, to the best of my knowledge, based upon a review of the Quarterly Report on Form 10-Q for the period ended March 31, 2014 of the Registrant (the “Report”), that:


(1) The Report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934, as amended; and


(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.


/s/ Scott Koenig

Name:   Scott Koenig, M.D., Ph.D.
Date:   May 6, 2014