Exhibit 3.1

CERTIFICATE OF INCORPORATION

OF

NEW AMBRX BIOPHARMA INC.

FIRST: The name of the Corporation is New Ambrx Biopharma Inc. (the “Corporation”).

SECOND: The address of the registered office of the Corporation in the State of Delaware is 1209 Orange Street in the City of Wilmington, County of New Castle, Zip Code 19801. The name of its registered agent at that address is The Corporation Trust Company.

THIRD: The purpose of the Corporation is to engage in any lawful act or activity for which a corporation may be organized under the General Corporation Law of the State of Delaware as set forth in Title 8 of the Delaware Code (as amended from time to time, the “GCL”).

FOURTH: The total number of shares of stock which the Corporation shall have authority to issue is five thousand (5,000) shares of Common Stock, each having a par value of $0.001.

FIFTH: The name and mailing address of the Sole Incorporator is as follows:

Name	Address
Deborah M. Reusch	P.O. Box 636 Wilmington, DE 19899

SIXTH: The following provisions are inserted for the management of the business and the conduct of the affairs of the Corporation, and for further definition, limitation and regulation of the powers of the Corporation and of its directors and stockholders:

(1) The business and affairs of the Corporation shall be managed by or under the direction of the Board of Directors.

(2) The directors shall have concurrent power with the stockholders to adopt, amend or repeal the bylaws of the Corporation (the “Bylaws”).

(3) The number of directors constituting the Corporation’s Board of Directors shall be as from time to time fixed by, or in the manner provided in, the Bylaws. Election of directors need not be by written ballot unless the Bylaws so provide.

(4) No director or Officer (as defined below) shall be personally liable to the Corporation or any of its stockholders for monetary damages for breach of fiduciary duty as a director or Officer, except for liability of: (i) a director or Officer for any breach of the director’s or Officer’s duty of loyalty to the Corporation or its stockholders; (ii) a director or Officer for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law; (iii) a director under Section 174 of the GCL; or (iv) a director or Officer for any transaction from which the director or Officer derived an improper personal benefit or (v) an Officer in any action by or in the right of the Corporation. Any amendment, repeal or elimination of this Article SIXTH shall not affect its application with respect to an act or omission by a director or Officer occurring before such amendment, repeal or elimination. All references in this Article SIXTH to an “Officer” shall mean only a person who, at the time of an act or omission as to which liability is asserted, falls within the meaning of the term “officer,” as defined in Section 102(b)(7) of the GCL.

(5) In addition to the powers and authority hereinbefore or by statute expressly conferred upon them, the directors are hereby empowered to exercise all such powers and do all such acts and things as may be exercised or done by the Corporation, subject, nevertheless, to the provisions of the GCL, this Certificate of Incorporation, and the Bylaws; provided, however, that no Bylaws hereafter adopted, amended or repealed by the stockholders shall invalidate any prior act of the directors that would have been valid if such Bylaws had not been so adopted, amended or repealed.

SEVENTH: Meetings of stockholders may be held within or without the State of Delaware, as the Bylaws may provide. The books and records of the Corporation may be kept (subject to any provision contained in the GCL) outside the State of Delaware at such place or places as may be designated from time to time by the Board of Directors or in the Bylaws.

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EIGHTH: The Corporation reserves the right to amend, alter, change or repeal any provision contained in this Certificate of Incorporation, in the manner now or hereafter prescribed by statute, and all rights conferred upon stockholders herein are granted subject to this reservation.

[Signature Page Follows]

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I, THE UNDERSIGNED, being the Sole Incorporator hereinbefore named, for the purpose of forming a corporation pursuant to the GCL, do make this Certificate of Incorporation, hereby declaring and certifying that this is my act and deed and the facts herein stated are true, and accordingly have hereunto set my hand this 11^th day of August, 2023.

/s/ Deborah M. Reusch

Deborah M. Reusch

Sole Incorporator

[Signature Page to Certificate of Incorporation]