Specimen certificate evidencing shares of common stock



 Exhibit 4.1 
  

					
	NUMBER	 	 	  	SHARES
	AEGR	 		  	
			
		 	AEGERION PHARMACEUTICALS, INC.	  	
			
	INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE	 		  	SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP 00767E 10 2

 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 AEGERION 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 seal of the Corporation and the signatures of its duly authorized officers. 
 Dated: 
  

							
	/s/ William H. Lewis	  	[AEGERION PHARMACEUTICALS, INC. SEAL]	  	/s/ Gerald Wisler
	 Chief Financial Officer and Senior Vice President
	  	President and Chief Executive Officer

 Countersigned and Registered: 
         AMERICAN STOCK TRANSFER & TRUST COMPANY 
                     Transfer Agent
and Registrar 
 By: 
                             Authorized Signature 
  







 The Company will furnish to any shareholder upon request and without charge a full statement of the
designation, relative rights, preferences and limitations of the shares of each class authorized to be issued and the designation, relative rights, preferences and limitations of each series of preferred shares which the Company is authorized to
issue so far as the same have been fixed, and the authority of the Board of Directors of the Company to designate and fix the relative rights, preferences and limitations of other series. 
 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 entireties	  		  	(Cust)                                (Minor)
				
	JT TEN -	 	as joint tenants with right of under Uniform Gifts to Minors survivorship and not as tenants Act
                         in common (State)	  		  	 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 
 of the capital 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
                                        
                                        
     
  

			
	  

 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.