SPECIMEN COMMON STOCK CERTIFICATE NUMBER SHARES HCM ACQUISITION COMPANY Incorporated under the Laws of the State of Delaware COMMON STOCK CUSIP

Exhibit 4.2

SPECIMEN COMMON STOCK CERTIFICATE

NUMBER		SHARES

HCM ACQUISITION COMPANY
Incorporated under the Laws of the State of Delaware

		COMMON STOCK		CUSIP

SEE REVERSE FOR
CERTAIN DEFINITIONS

This Certifies that

is the owner of

FULLY PAID AND NON-ASSESSABLE SHARES OF THE PAR VALUE OF $0.001
EACH OF THE COMMON STOCK OF

HCM ACQUISITION COMPANY

transferable on the books of the Corporation in person or by duly authorized attorney upon surrender of this certificate properly endorsed.

The Corporation will be forced to liquidate if it is unable to complete an initial business combination by                                         , all as more fully described in the Corporation’s final prospectus dated                                         .

This Certificate is not valid unless countersigned by the Transfer Agent and registered by the Registrar of the Corporation.

Witness the seal of the Corporation and the facsimile signatures of its duly authorized officers.

Dated:

		CORPORATE SEAL
		DELAWARE
PRESIDENT				SECRETARY

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

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

HCM Acquisition Company

The Corporation will furnish without charge to each stockholder who so requests the powers, designations, preferences and relative participating, optional or other special rights of each class of stock or series thereof of the Corporation and the qualifications, limitations, or restrictions of such preferences and/or rights. This certificate and the shares represented hereby are issued and shall be held subject to all the provisions of the Certificate of Incorporation and all amendments thereto and any resolutions of the Board of Directors providing for the issue of shares of Preferred Stock (copies of which may be obtained from the secretary of the Corporation), 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)

		shares

of the capital stock represented by the within Certificate, and do hereby irrevocably constitute and appoint

		Attorney

to transfer this said stock on the books of within named Corporation will full power of substitution in the premises.

Dated				By:
				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).