exv4w1



 






EXHIBIT 4.1








	COMMON STOCK COMMON STOCK SGX SEE REVERSE FOR INCORPORATED UNDER THE LAWS SGX PHARMACEUTICALS,
INC. CERTAIN DEFINITIONS OF THE STATE OF DELAWARE CUSIP 78423C 10 8 THIS CERTIFIES THAT is the
record holder of FULLY PAID AND NONASSESSABLE SHARES OF THE COMMON STOCK, $.001 PAR VALUE, OF SGX
PHARMACEUTICALS, 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 is not valid unless countersigned and registered by the Transfer Agent and Registrar.
Witness the facsimile seal of the Corporation and the facsimile signatures of its duly authorized
officers. Dated: SIGNATURE TO COME SIGNATURE TO COME SECRETARY PRESIDENT SIGNATURE AUTHORIZED BY
REGISTRAR AND AGENT TRANSFER CORPORATION TRANSFER STOCK. S. U REGISTERED: AND COUNTERSIGNED





 









 





     The Corporation shall furnish without charge to each stockholder who so requests a
statement of the powers, designations, preferences and relative, participating, optional, or other
special rights of each class of stock of the Corporation or series thereof and the qualifications,
limitations or restrictions of such preferences and/or rights. Such requests shall be made to the
Corporation’s Secretary at the principal office of the Corporation.



     KEEP THIS CERTIFICATE IN A SAFE PLACE. IF IT IS LOST, STOLEN, OR DESTROYED THE CORPORATION
WILL REQUIRE A BOND OF INDEMNITY AS A CONDITION TO THE ISSUANCE OF A REPLACEMENT CERTIFICATE.



     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
	TEN ENT

	 	—
	 	as tenants by the entireties
	JT TEN

	 	—
	 	as joint tenants with right of
survivorship and not as tenants
in common









	 	 	 	 	 	 	 
	UNIF GIFT MIN ACT —
	 	 	 	Custodian	 	 
	 

	 	(Cust)
	 	 	 	(Minor)
	 	 	under Uniform Gifts to Minors

	 	 	Act
	 	 	 

	 	 	     (State)

	UNIF TRF MIN ACT —
	 	 	 	Custodian (until
age           )
	 

	 	(Cust)	 	 	 	 

	 	 	under Uniform Transfers
	 	 	 	 
	 
	 	(Minor)	 	 	 	 
	 	 	 to Minors 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 ZIP CODE, OF ASSIGNEE)



 



 




 



 




 




	 	 	 
	 	 	Shares
	 	 	 
	of the common stock represented by the within 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

	 	 
	 	 	 	 
	 
	 	 	 	 	 	 
	 

	 	 	 	X
	 	 

	 
	 	 	 	 	 	 
	 

	 	 	 	X
	 	 

	 

	 	 	 	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	 	 
	 
	 	 	 	 	 	 
	 
	 	 	 	 	 	 
	 
	 	 	 	 	 	 





	 	 	 	 	 
	By

	 	 

	 	 
	THE SIGNATURE(S) MUST 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.