Exhibit 4.1


 


(FORM OF STOCK CERTIFICATE - FRONT SIDE)


 


	NUMBER	SHARES
	 	 
	COMMON STOCK	CUSIP                     
	(Par Value $.01 Per Share)	See reverse for

certain definitions




 


CATALYST BANCORP, INC.


A Louisiana Corporation


 


This certifies that
___________________________________ is the registered holder of _________________ fully paid and non-assessable shares of the Common
Stock, par value $.01 per share, of Catalyst Bancorp, Inc., Opelousas, Louisiana (the “Corporation”).


 


The shares evidenced
by this Certificate are transferable in person or by a duly authorized attorney or legal representative, upon surrender of this
Certificate properly endorsed. This Certificate and the shares represented hereby are subject to all the provisions of the Articles
of Incorporation and Bylaws of the Corporation and any and all amendments thereto. This Certificate is not valid unless countersigned
by the Transfer Agent and registered by the Registrar. This security is not a deposit or savings account and is not insured
or guaranteed by the Federal Deposit Insurance Corporation or any other Federal or state governmental agency.


 


IN WITNESS WHEREOF,
the Corporation has caused this Certificate to be executed by the facsimile signatures of its duly authorized officers and has
caused its facsimile seal to be affixed hereto.


 


Dated:


 


	 	 (SEAL)	 
	Ted D. Bellard	 	Joseph B. Zanco
	Corporate Secretary	 	President and Chief
Executive Officer





     


     


    

(FORM OF STOCK CERTIFICATE - BACK
SIDE)


 


The Corporation is
authorized to issue more than one class of stock, including a class of preferred stock which may be issued in one or more series.
The Corporation will furnish to any stockholder, upon written request and without charge, a full statement of the designations,
preferences, limitations and relative rights of the shares of each class authorized to be issued and, with respect to the issuance
of any preferred stock to be issued in series, the relative rights and preferences between the shares of each series so far as
the rights and preferences have been fixed and determined and the authority of the Board of Directors to fix and determine the
relative rights and preferences of subsequent series.


 


The Articles of Incorporation
of the Corporation includes a provision which generally prohibits any person (including an individual, company or group acting
in concert) from directly or indirectly offering to acquire or acquiring the beneficial ownership of more than 10% of any class
of equity securities of the Corporation. In the event that stock is acquired in violation of this 10% limitation, the excess shares
will no longer be counted in determining the total number of outstanding shares for purposes of any matter involving stockholder
action and the Board of Directors of the Corporation may cause such excess shares to be transferred to an independent trustee for
sale in the open market or otherwise, with the expenses of such sale to be paid out of the proceeds of the sale.


 


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
	 	 	 
	TEN ENT	-	as tenants by the entireties
	 	 	 
	JT TEN	-	as joint tenants with right of survivorship and not

as tenants in common




 


UNIF GIFT MIN ACT - ______________ Custodian
______________ under                                        (Cust)

(Minor)








	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


 


PLEASE INSERT SOCIAL SECURITY OR OTHER


TAXPAYER IDENTIFYING NUMBER OF ASSIGNEE


 





	 	 	 
	 	 	 
	 	 	 



 


unto ______________________________________________________________


PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS,
INCLUDING POSTAL ZIP CODE, OF ASSIGNEE








	 	 
	 	 
	 	 





__________________________ shares of Common
Stock represented by this Certificate, and do hereby irrevocably constitute and appoint __________________________ as Attorney,
to transfer the said shares on the books of the within named Corporation, with full power of substitution.


 


Dated _____________ __, ____


 





	 	 
	 	Signature



 


	 	 
	 	Signature


 


Notice: The signature(s) to this assignment
must correspond with the name(s) written upon the face of this Certificate in every particular, without alteration or any change
whatsoever.