X0206 3 2014-06-18 0 0001374690 ZAFGEN, INC. ZFGN 0001611061 Goldberg Avi Y. EDELSTEIN AND COMPANY C/O SCOTT KAPLOWITCH 160 FEDERAL STREET, 9TH FLOOR BOSTON MA 02110 1 0 0 0 Common Stock 347642 I See Footnote The securities are directly held by Greatpoint Ventures Fund I, LLC ("GPV"). The Reporting Person is a partner of GPV and disclaims beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. /s/ Avi Goldberg 2014-06-18