Exhibit 4.0



 Exhibit 4.0 
  

			
	 COMMON STOCK
	  	COMMON STOCK
	 CERTIFICATE NO.     
	  	SEE REVERSE FOR CERTAIN DEFINITIONS
		  	CUSIP                     

 BCSB BANCORP, INC. 
 INCORPORATED UNDER THE LAWS OF THE STATE OF MARYLAND 
 THIS CERTIFIES THAT 
 is the owner of: 
 FULLY PAID AND NONASSESSABLE SHARES OF
COMMON STOCK, $0.01 PAR VALUE 
 PER SHARE, OF BCSB BANCORP, INC. 
 The shares represented by this certificate are transferable only on the stock transfer books of BCSB Bancorp, Inc. (the “Company”) by the
holder of record hereof, or by his duly authorized attorney or legal representative, upon the surrender of this certificate properly endorsed. This certificate and the shares represented hereby are issued and shall be held subject to all the
provisions of the Articles of Incorporation of the Company and any amendments thereto (copies of which are on file with the Corporate Secretary of the Company), to all of which provisions the holder by acceptance hereof, assents. This certificate is
not valid until countersigned and registered by the Company’s Transfer Agent and Registrar. 
 The shares evidenced by this
certificate are not of an insurable type and are not insured by the Federal Deposit Insurance Corporation. 
 IN WITNESS WHEREOF, BCSB
BANCORP, INC. has caused this certificate to be executed by the facsimile signatures of its duly authorized officers and has caused a facsimile of its corporate seal to be hereunto affixed. 
  

							
	Dated:	 	  
	 	[SEAL]	 	  

		 	President and Chief Executive Officer	 		 	Corporate Secretary
		 		 		 	








 The shares represented by this Certificate are subject to a limitation contained in the Articles of
Incorporation to the effect that in no event shall any record owner of any outstanding common stock which is beneficially owned, directly or indirectly, by a person who beneficially owns in excess of 10% of the outstanding shares of common stock
(the “Limit”) be entitled or permitted to any vote in respect of shares held in excess of the Limit. 
 The Board of Directors of
the Company is authorized by resolution(s), from time to time adopted, to provide for the issuance of serial preferred stock in series and to fix and state the voting powers, designations, preferences and relative, participating, optional, or other
special rights of the shares of each such series and the qualifications, limitations and restrictions thereof. The Company will furnish to any shareholder upon request and without charge a full description of each class of stock and any series
thereof. 
 The shares represented by this Certificate may not be cumulatively voted on any matter. 
 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 GIFTS MIN ACT -                      custodian
                    
		 	                                       
           (Cust)                            (Minor)

	TEN ENT - as tenants by the entireties	 	under Uniform Gifts to Minors Act
                                       
     
		 	                                        
                         (State)

	JT TEN - as joint tenants with right of	 	
	                  survivorship and not as tenants	 	
	                  in common	 	

 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 
 IDENTIFICATION 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 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 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