MAIA Maia Biotechnology Inc

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No.__)

MAIA BIOTECHNOLOGY, INC.

(Name of Issuer)

Common Stock, $0.0001 par value

(Title of Class of Securities)

552641 102

(CUSIP Number)

Louie Ngar Yee

444 West Lake Street, Suite 1700

Chicago, IL 60606

Telephone: (312) 416-8592

With a copy to:

Richard A. Friedman, Esq.

Greg Carney, Esq.

Sheppard Mullin Richter & Hampton LLP

30 Rockefeller Plaza

New York, New York 10112

(212) 653-8700

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

March 14, 2024

(Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box ☐.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

Item 1. Security and Issuer.

This Statement of Beneficial Ownership on Schedule 13D is filed by the Reporting Person (as defined below) on October 25, 2024, (this “Statement” or “Schedule 13D”) and relates to the common stock, $0.0001 par value per share (the “Common Stock”) of MAIA Biotechnology, Inc., a Delaware corporation (the “Company”). The Company’s principal executive offices are located at 444 West Lake Street, Suite 1700, Chicago, IL 60606.

Item 2. Identity and Background.

This Statement is filed by Louie Ngar Yee. Louie Ngar Yee is an independent director of the Company. The principal business address of Louie Ngar Yee is 444 West Lake Street, Suite 1700, Chicago, IL 60606. Louie Ngar Yee’s principal business is providing director services. Louie Ngar Yee is a citizen of the British National Overseas (BNO) / Hong Kong Special Administrative Region. The foregoing person is sometimes referred to herein as the “Reporting Person”.

The Reporting Person has not during the last five years been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). The Reporting Person has not during the last five years been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Item 3. Source and Amount of Funds or Other Consideration.

On March 14, 2024, the Reporting Person purchased 170,940 shares of Common Stock and 170,940 warrants to purchase Common Stock for a total cost of approximately $200,000.

Item 4. Purpose of Transaction.

The Reporting Person acquired the Common Stock reported in this Statement for investment purposes. The Reporting Person may in the future acquire additional Common Stock or dispose of some or all of the Common Stock held by the Reporting Person in open-market transactions or privately negotiated transactions, on such terms and at such times as the Reporting Person may deem advisable. The Reporting Person may engage in short selling or hedging or similar transactions with respect to the Common Stock, on such terms and at such times as the Reporting Person may deem advisable, subject to applicable law.

The Reporting Person has no present plan or proposal that would result in any of the actions described in paragraphs (a) through (j) of Item 4 of Schedule 13D. The Reporting Person reserves the right in the future to formulate any such plans or proposals, and to take any actions with respect to their investments in the Company, including any or all of the actions described in paragraphs (a) through (j) of Item 4 of Schedule 13D.

Item 5. Interest in Securities of the Issuer.

Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.

Except as described under Items 3, 4 and 5 and as set out in Item 6, to the best knowledge of the Reporting Person, there are no contracts, arrangements, understandings or relationships (legal or otherwise) between these shareholders and any other person with respect to any securities of the Company, including but not limited to transfer or voting of any securities of the Company, finder’s fees, joint ventures, loan or option arrangements, puts or calls, guarantees of profits, division of profits or loss, or the giving or withholding of proxies, or a pledge or contingency the occurrence of which would give another person voting power over the securities of the Company.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: October 25, 2024