Thomas Spitznagel - 15 Aug 2025 Form 4 Insider Report for MACROGENICS INC (MGNX)

Role: Sr VP, Technical Ops
Signature: /s/ Beth A. Smith, Attorney-in-fact
Issuer symbol: MGNX
Transactions as of: 15 Aug 2025
Net transactions value: $0
Form type: 4
Filing time: 19 Aug 2025, 16:15:05 UTC
Previous filing: 19 Feb 2025
Next filing: 10 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Spitznagel Thomas	Sr VP, Technical Ops	9704 MEDICAL CENTER DRIVE, ROCKVILLE	/s/ Beth A. Smith, Attorney-in-fact	19 Aug 2025	0001675464

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	+30,000		$0.000000	30,000	15 Aug 2025	Common Stock	30,000	$1.58	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 became exercisable one year after the grant date and the remaining 75% will vest in 12 substantially equal quarterly installments thereafter.