MACROGENICS INC — Director's Dealing 2016

Oct 19, 2016

SEC Form 4/A — Form 4/A

Issuer: MACROGENICS INC (MGNX)
CIK: 0001125345
Period of Report: 2016-10-03

Reporting Person: Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-10-03	Common Stock	M	10000	$4.70	Acquired	10000	Direct
2016-10-03	Common Stock	S	10000	$29.34	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-10-03	Employee Stock Option (right to buy)	$4.70	M	10000	Disposed	2023-07-18	Common Stock (10000)	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 16, 2016.

F2: This transaction was executed in multiple trades at prices ranging from $28.755 to $29.68. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3: Due to a clerical error, the reporting person is filing this amendment to the Form 4 originally filed on October 5, 2016 to correct the number of derivative securities beneficially owned following the reported transaction from 15,254 to 25,254.