Exhibit 4.3

HALL CHADWICK ACQUISITION CORP II

INCORPORATED UNDER THE LAWS OF THE CAYMAN ISLANDS

CUSIP: [●]

THIS CERTIFIES THAT, for value received

_____________is the registered holder of a warrant or warrants (the “Warrant” or “Warrants,” respectively) to purchase one Class A ordinary share, par value $0.0001 per share (“Ordinary Shares”), of Hall Chadwick Acquisition Corp II (the “Company”) for each Warrant evidenced by this Warrant Certificate on the Company’s completion of an initial business combination (as defined in the prospectus relating to the Company’s initial public offering (“Prospectus”) upon surrender of this Warrant Certificate pursuant to the Warrant Agreement (the “Warrant Agreement”) between the Company and Continental Stock Transfer & Trust Company (the “Warrant Agent”). In no event will the Company be required to net cash settle any Warrant.

Upon liquidation of the Company in the event an initial business combination is not consummated during the required period as identified in the Company’s Amended & Restated Memorandum and Articles of Association, as the same may be amended from time to time, the Warrant(s) shall expire and be worthless. The holder of a Warrant or Warrants shall have no right or interest of any kind in the Company’s trust account (as defined in the Prospectus).

Upon due presentment for registration of transfer of the Warrant Certificate at the office or agency of the Warrant Agent a new Warrant Certificate or Warrant Certificates of like tenor and evidencing in the aggregate a like number of Warrants shall be issued to the transferee in exchange for this Warrant Certificate, without charge except for any applicable tax or other governmental charge.

The Company and the Warrant Agent may deem and treat the registered holder as the absolute owner of this Warrant Certificate (notwithstanding any notation of ownership or other writing hereon made by anyone), for the purpose of any conversion hereof, of any distribution to the registered holder, and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the contrary.

Holders of a Warrant or Warrants are not entitled to any of the rights of a shareholder of the Company.

Dated:


Secretary	[Corporate Seal] 2026	Chairman of the Board

The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations:

TEN COM	—	as tenants in common	UNIF GIFT MIN ACT	—		Custodian
					(Cust)		(Minor)
TEN ENT	—	as tenants by the entireties
					under Uniform Gifts to Minors Act
JT TEN	—	as joint tenants with right of survivorship and not as tenants in common Act
					(State)

Additional Abbreviations may also be used though not in the above list.

HALL CHADWICK ACQUISITION CORP II

The Company will furnish without charge to each shareholder who so requests the powers, designations, preferences and relative, participating, optional or other special rights of each class of shares or series thereof of the Company and the qualifications, limitations, or restrictions of such preferences and/or rights. This certificate and the rights represented thereby are issued and shall be held subject to all the provisions of the Warrant Agreement, and all amendments thereto, to all of which the holder of this certificate by acceptance hereof assents.

For value received, _____________________________ hereby sell, assign and transfer unto

PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE

(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)

Warrants represented by the within Certificate and do hereby irrevocably constitute and appoint

________ Attorney to transfer the said Warrants on the books of the within named Company will full power of substitution in the premises.

Dated

	Notice:	The signature to this assignment must correspond with the name as written upon the face of the certificate in every particular, without alteration or enlargement or any change whatever.

Signature(s) Guaranteed:


THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15).

Hall Chadwick Acquisition Corp II S-1/A