Jason R. Nunn - 10 Jun 2025 Form 4 Insider Report for Zenas BioPharma, Inc. (ZBIO)

Role: Director
Signature: /s/ Sasha Keough, attorney-in-fact for Jason R. Nunn
Issuer symbol: ZBIO
Transactions as of: 10 Jun 2025
Net transactions value: $0
Form type: 4
Filing time: 12 Jun 2025, 16:58:46 UTC
Previous filing: 30 Apr 2025
Next filing: 27 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Nunn Jason Raleigh	Director	985 OLD EAGLE SCHOOL ROAD, SUITE 511, WAYNE	/s/ Sasha Keough, attorney-in-fact for Jason R. Nunn	12 Jun 2025	0001444319

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	ZBIO	Stock Option (Right to Buy)	Award	$0	+18,500		$0.000000	18,500	10 Jun 2025	Common Stock	18,500	$11.94	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The option vests as to 100% of the underlying shares of common stock on June 10, 2026, the first anniversary of the vesting commencement date, subject to continued service.