Specimen Common Stock Certificate



 Exhibit 4.2 
 

 
 NUMBER 
 SHARES 
 SENS 001 
 INCORPORATED UNDER THE LAWS OF 
 CUSIP 14160J 10 5 
 THE STATE OF DELAWARE 
 SEE REVERSE FOR CERTAIN DEFINITIONS 
 THIS CERTIFIES THAT 
 is the record holder of 
 FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK, $0.0001 PAR VALUE PER SHARE, OF 
 CARDIOMEMS, INC. 
 transferable on the books of the Corporation in person or by duly authorized attorney upon surrender of this Certificate properly endorsed. This Certificate is not valid until countersigned by the Transfer Agent and registered by the
Registrar. 
 WITNESS the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers.

 DATED: 
 FACSIMILE SIGNATURE TO APPEAR HERE 
 SECRETARY 
 FACSIMILE SIGNATURE TO APPEAR HERE 
 CHIEF EXECUTIVE OFFICER 
 COUNTERSIGNED AND REGISTERED: 
 MELLON INVESTOR SERVICES LLC 
 TRANSFER AGENT AND REGISTRAR 
 BY: 
 AUTHORIZED SIGNATURE 







 CARDIOMEMS, INC. 
  
 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 survivorship and not as
   tenants in common
	 	 	  	 	 	  
 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(es) 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(S) TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME(S) AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE
WHATEVER.

  

					
	SIGNATURES 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.