Exhibit 4.1

LOGO



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The Corporation shall furnish without charge to each stockholder who so requests a statement of the
powers, designations, preferences and relative, participating, optional or other special rights of each class of stock of the Corporation or series thereof and the qualifications, limitations or restrictions of such preferences and/or rights. Such
requests shall be made to the Corporations Secretary at the principal office of the Corporation.

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     |  |                     |  | under Uniform Gifts to Minors
|        |  |   |  | survivorship and not as tenants in |  |                     |  | Act _____________________    
|        |  |   |  | common                             |  |                     |  | (State)                      
|        |  |   |  |                                    |  | UNIF TRF MIN ACT   |  | _______                       |  | Custodian (until age ____)
|        |  |   |  |                                    |  |                     |  | (Cust)                        |  |                           
|        |  |   |  |                                    |  |                     |  | __________ under Uniform ____
|        |  |   |  |                                    |  |                     |  | (Minor)                       |  |                            |  |         
|        |  |   |  |                                    |  |                     |  | to Minor Act ________________
|        |  |   |  |                                    |  |                     |  |                               |  | (State)                   

Additional abbreviations may also be used though not in the above list.

FOR VALUE RECEIVED, ___________________________________ hereby sell, assign and transfer unto



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|PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE |  |  |  |  |  |  |  | 
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________________________________________________________________________________________________________

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

________________________________________________________________________________________________________

________________________________________________________________________________________________________

________________________________________________________________________________________________ Shares

of the common 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 _______________________________



XXNOTICE:

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.


Signature(s) Guaranteed



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|By                                                                                                                                                                                                                                                      |  | 
|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.