Patrick G. Enright - 10 Jun 2025 Form 4 Insider Report for Zenas BioPharma, Inc. (ZBIO)

Role: Director
Signature: By: /s/ Jeffrey Held, Attorney-in-Fact
Issuer symbol: ZBIO
Transactions as of: 10 Jun 2025
Transactions value $: $0
Form type: 4
Date filed: 12 Jun 2025, 16:33
Previous filing: 09 Jun 2025
Next filing: 25 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
ENRIGHT PATRICK G	Director	C/O ZENAS BIOPHARMA, INC., 852 WINTER ST., SUITE 250, WALTHAM	By: /s/ Jeffrey Held, Attorney-in-Fact	2025-06-12	0001253886

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	+18.5K		$0.00	18.5K	10 Jun 2025	Common Stock	18.5K	$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.