Eric Blasius Risser - Aug 13, 2025 Form 4 Insider Report for MACROGENICS INC (MGNX)

Role: President and CEO, Director
Signature: /s/ Beth A. Smith, Attorney-in-fact
Stock symbol: MGNX
Transactions as of: Aug 13, 2025
Transactions value $: $0
Form type: 4
Date filed: 8/15/2025, 05:01 PM
Previous filing: Feb 19, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Risser Eric Blasius	President and CEO, Director	9704 MEDICAL CENTER DRIVE, ROCKVILLE	/s/ Beth A. Smith, Attorney-in-fact	2025-08-15	0001587774

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MGNX	Employee Stock Option (right to buy)	Award	$0	+550K		$0.00	550K	Aug 13, 2025	Common Stock	550K	$1.66	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	25% of the options will vest and become exercisable one year from the grant date and the remaining 75% will vest in 12 substantially equal quarterly installments thereafter.