MACROGENICS INC — Director's Dealing 2013

Oct 9, 2013

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: MACROGENICS INC (MGNX)
CIK: 0001125345
Period of Report: 2013-10-09

Reporting Person: Stein Kathryn E (Senior V P, Product Dev & Reg.)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	43205	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (right to buy)	$.70	2016-03-23	Common Stock (52192)		Direct
Stock Option (right to buy)	$.70	2015-12-14	Common Stock (10653)		Direct
Stock Option (right to buy)	$.94	2017-01-06	Common Stock (25301)		Direct
Stock Option (right to buy)	$.94	2018-01-05	Common Stock (13316)		Direct
Stock Option (right to buy)	$.94	2019-01-10	Common Stock (8895)		Direct
Stock Option (right to buy)	$.94	2019-01-10	Common Stock (4421)		Direct
Stock Option (right to buy)	$.94	2020-01-09	Common Stock (6658)		Direct
Stock Option (right to buy)	$.94	2021-01-08	Common Stock (10653)		Direct
Stock Option (right to buy)	$.94	2022-03-13	Common Stock (10653)		Direct
Stock Option (right to buy)	$1.50	2023-01-05	Common Stock (7990)		Direct

Footnotes

F1: Reflects a 1-for-18.7739 reverse split of our common stock effected on September 26, 2013.

F2: 12.5% of the shares underlying the option are exercisable beginning on the six month anniversary of the vesting start date, and an additional 6.25% of the shares underlying the option become exercisable on the first day of each three month anniversary thereafter.