EX-4.1



 Exhibit 4.1 
  






 
 NS NeuroSigma ® NeuroSigma, Inc. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE SEE REVERSE FOR
CERTAIN DEFINITIONS CUSIP 64129W 10 1 THIS CERTIFIES THAT SPECIMEN IS THE RECORD HOLDER OF FULLY PAID AND NONASSESSABLE SHARES OF COMMON STOCK, $0.0001 PAR VALUE, PER SHARE, OF NeuroSigma, 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 signatures of the Corporation’s
duly authorized officers. Dated: SENIOR VICE PRESIDENT, CHIEF ADMINISTRATIVE OFFICER, GENERAL COUNSEL AND CORPORATE SECRETARY PRESIDENT AND CHIEF EXECUTIVE OFFICER COUNTERSIGNED AND REGISTERED: AMERICAN STOCK TRANSFER & TRUST COMPANY, LLC
(Brooklyn, NY) TRANSFER AGENT AND REGISTRAR By: AUTHORIZED SIGNATURE 







 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 TYPEWRITE NAME AND ADDRESS, INCLUDING POSTAL ZIP CODE, OF ASSIGNEE 

 

                          
                                         
                                         
                                         
                                         
                           
  

                          
                                         
                                         
                                         
                                         
                           

                          
                                         
                                         
                                         
                                         
         Shares 
 of the Common Stock represented by this Certificate, and do(es) hereby irrevocably constitute
and appoint 

                          
                                         
                                         
                                         
                                         
         Attorney to transfer the said Shares on the books of the within-named Corporation with full power of substitution. 
  

					
	 Dated
	 	  
	  	

  

					
		 	X	 	  

		 	X	 	  

		 	NOTICE:	 	THE SIGNATURE(S) TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME(S) OF THE STOCKHOLDER(S) AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATSOEVER.

 Signature(s) Guaranteed 
  

			
	  
	  	
	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. GUARANTEES BY A NOTARY PUBLIC ARE NOT ACCEPTABLE. SIGNATURE GUARANTEES MUST NOT BE DATED.