Jeffrey Himmelreich - May 14, 2025 Form 4 Insider Report for MAIA Biotechnology, Inc. (MAIA)

Role: Head of Finance
Signature: Jeffrey Himmelreich
Stock symbol: MAIA
Transactions as of: May 14, 2025
Transactions value $: $0
Form type: 4
Date filed: 5/16/2025, 04:13 PM
Previous filing: Feb 12, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Himmelreich Jeffrey C	Head of Finance	50 CARLAND DRIVE, ARDEN	Jeffrey Himmelreich	2025-05-15	0002001189

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	MAIA	Stock Options	Award	$0	+40K		$0.00	40K	May 14, 2025	Common Stock	40K	$1.76	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The stock options, granted on May 14, 2025 pursuant to MAIA Biotechnology, Inc.'s 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest on a 4-year vesting schedule, with 25% of the options to vest on the first anniversary of the date of the grant and the remaining options to vest ratably monthly thereafter for 36 months.