EX-4.1





 Exhibit 4.1 
  





 
 nkarta THERAPEUTICS NUMBER SHARES SPECIMEN - NOT NEGOTIABLE COUNTERSIGNED: PHILADELPHIA STOCK TRANSFER, INC. 2320 HAVERFORD RD., SUITE
230, ARDMORE, PA 19003 TRANSFER AGENT BY: AUTHORIZED SIGNATURE SPECIMEN not negotiable NK SEE REVERSE FOR CERTAIN DEFINITIONS INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE CUSIP 65487U 10 8 C OM M ONST OC K This Certifies That: is the owner
of FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK OF $0.0001 PAR VALUE EACH OF Nkarta, Inc. transferable on the books of the Corporation in person or by duly authorized attorney upon surrender of this
certificate duly endorsed or assigned. This certificate and the shares represented hereby are subject to the laws of the State of Delaware, and to the Certificate of Incorporation and Bylaws of the Corporation, as now or hereafter amended. This
certificate is not valid until countersigned by the Transfer Agent. WITNESS the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers. SECRETARY PRESIDENT 












 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)


 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 TYPE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE) 

 
  
  

 
  

					
	  
	 	Shares

 of the 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 WHATSOEVER.

 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 SEC Rule 17Ad-15.	 	

 THE CORPORATION WILL FURNISH TO ANY STOCKHOLDER, UPON REQUEST AND WITHOUT CHARGE, A FULL STATEMENT OF THE DESIGNATIONS,
RELATIVE RIGHTS, PREFERENCES AND LIMITATIONS OF THE SHARES OF EACH CLASS AND SERIES AUTHORIZED TO BE ISSUED, SO FAR AS THE SAME HAVE BEEN DETERMINED, AND OF THE AUTHORITY, IF ANY, OF THE BOARD TO DIVIDE THE SHARES INTO CLASSES OR SERIES AND TO
DETERMINE AND CHANGE THE RELATIVE RIGHTS, PREFERENCES AND LIMITATIONS OF ANY CLASS OR SERIES. SUCH REQUEST MAY BE MADE TO THE SECRETARY OF THE CORPORATION OR TO THE TRANSFER AGENT NAMED ON THIS CERTIFICATE. 

 
  

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