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Exhibit 4.1    
    



	

NUMBER	
 	

SHARES
	

 	
 	

CUSIP 02081G 10 2
	ATEC	 	SEE REVERSE FOR

CERTAIN DEFINITIONS
	COMMON STOCK	 	 




[ALPHATEC LOGO]

ALPHATEC HOLDINGS, INC.

INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE 


THIS
CERTIFIES THAT 


is
the owner of 


FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK,

PAR VALUE $0.0001 PER SHARE, OF 


ALPHATEC
HOLDINGS, INC., transferable on the books of the Corporation by the holder hereof in person or by duly authorized attorney upon surrender of this certificate properly endorsed. This
certificate and the shares represented hereby are subject to the laws of the State of Delaware and to the Amended and Restated Certificate of Incorporation and the By-laws of the
Corporation, each as from time to time amended. 


        This
certificate is not valid unless countersigned and registered by the Transfer Agent and Registrar. 


        WITNESS
the facsimile seal of Alphatec Holdings, Inc. and the facsimile signature of its duly authorized officers. 



	Dated:	 	 	 	 
	

/s/ RONALD G. HISCOCK	
 	

 	
 	

/s/ STEPHEN T.D. DIXON
	PRESIDENT and CEO	 	 	 	TREASURER AND CFO
	

 	
 	

[SEAL]	
 	

 
	COUNTERSIGNED AND REGISTERED:

MELLON INVESTOR SERVICES LLC	 	 
	TRANSFER AGENT

AND REGISTRAR

	 	 	 	 





	

BY:	

 	
 	

 	
 	

 
	 	
	 	 	 	 
	 	AUTHORIZED SIGNATURE

	 	 	 	 










        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—	 	 	 	 	 	 
	TEN ENT—	 	as tenants by the entireties	 	 	 	
	 	Custodian	 	

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







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



	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 POSTAL ZIP OF ASSIGNEE) 






	

	
 	

Shares
	of the common stock represented by this Certificate, and do hereby irrevocably constitute and appoint
	

	
 	

Attorney
	to transfer the said stock on the books of the within-named Corporation with 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, STOCKBRO- KERS, SAVINGS SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE
GUARANTEE MEDALLION PROGRAM), PURSUANT TO S. E. C. RULE 17Ad-15.

	 	 





        Pursuant
to Section 151 of the Delaware General Corporation Law, Alphatec Holdings, Inc. 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 and the qualifications, limitations or restrictions of such
preferences and/or rights. 











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Exhibit 4.1