exv4w1



 





Exhibit 4.1










COMMON STOCK




	 	 	 
	Number
	 	Shares






	 	 	 	 	 
	
	 	IOMAI
CORPORATION
   
INCORPORATED UNDER THE LAWS

OF THE STATE OF DELAWARE
	 	 
	 
	 	   	 	 
	 
	 	 	 	CUSIP
_______________

SEE REVERSE SIDE FOR CERTAIN DEFINITIONS
	THIS CERTIFIES THAT	 	 	 	 
	    
	    






IS THE OWNER OF



FULLY-PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK, PAR VALUE OF $0.01 PER SHARE OF IOMAI
CORPORATION transferable on the books of the Company by the holder hereof, in person, or by duly
authorized attorney upon surrender of this Certificate properly endorsed. The shares represented by
this Certificate are subject to the provisions of the certificate of incorporation and by-laws of
the Company as from time to time amended or restated. This Certificate is not valid until
countersigned by the Transfer Agent and registered by the Registrar.



Witness the facsimile signatures of its duly authorized officers.




	 	 	 
	    
	    
	    
	PRESIDENT AND

CHIEF EXECUTIVE OFFICER
	 	SECRETARY
	    
	Countersigned and Registered:	 	 






	 	 	 	 	 
	AMERICAN STOCK TRANSFER & TRUST COMPANY

 	 
	By:  	____________________________
 	 
	 	Transfer Agent and Registrar 	 
	 	Authorized Officer 	 











 











	 	 	 	 	 





IOMAI CORPORATION



THE COMPANY IS AUTHORIZED TO ISSUE MORE THAN ONE CLASS OR SERIES OF STOCK. UPON WRITTEN
REQUEST, THE COMPANY 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.



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
	 	      
   (Custodian)      
         
            
(Minor)

	JT TEN
	–
	as joint tenants with right of survivorship

and not as tenants in common
	 	   
   
Under Uniform Gifts 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



____________________________________________
_______________________________________________________________________________Attorney



to transfer
the said stock on the books of the within named Company with full power of substitution in the premises.





	 	 	 	 
	Dated

            _______________________________________________________

	 	X

            _______________________________________________________
	 
	 
	 	X

            _______________________________________________________
	 
	Signature(s) Guaranteed:
	 	            NOTICE: THE SIGNATURE ON THIS
ASSIGNMENT

            MUST CORRESPOND EXACTLY WITH THE NAME

            WRITTEN UPON THE FACE OF THE CERTIFICATE.
	_____________________________________________________________

THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE

GUARANTOR INSTITUTION, AS DEFINED IN RULE 17AD-15 UNDER

THE SECURITIES AND
EXCHANGE ACT OF 1934, AS AMENDED	 	 	 





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