Exhibit 4.1


 


	NUMBER	SHARES



 


C
______


 


LIFESCI ACQUISITION
II CORP.


 


INCORPORATED UNDER
THE LAWS OF THE STATE OF DELAWARE


 


COMMON STOCK


 


SEE REVERSE FOR

CERTAIN DEFINITIONS


 


CUSIP
53229E 103 


This Certifies that


 


is the owner of


 


FULLY PAID AND NON-ASSESSABLE SHARES
OF COMMON STOCK OF


 


LIFESCI ACQUISITION
II CORP.


 


transferable on
the books of the Company in person or by duly authorized attorney upon surrender of this certificate properly endorsed. 


The Company will
be forced to liquidate if it is unable to complete an initial business combination within the meaning as defined in and the time
period as required by its Amended and Restated Certificate of Incorporation, as the same may be amended from time to time.

This certificate is not valid unless countersigned by the Transfer Agent and registered by the Registrar.

Witness the facsimile seal of the Company and the facsimile signatures of its duly authorized officers.


 


[Corporate Seal]


 


Dated:


 


	 	 	 
	CHAIRMAN	 	SECRETARY



 






    


     


    

 


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                      under Uniform Gifts to Minors


                             and not as tenants in common                                           Act
______________


 (State)


 


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


 


LifeSci Acquisition
II Corp.


 


The Company will furnish
without charge to each stockholder who so requests the powers, designations, preferences and relative, participating, optional
or other special rights of each class of shares or series thereof of the Company and the qualifications, limitations, or restrictions
of such preferences and/or rights. This certificate and the shares represented thereby are issued and shall be held subject to
all the provisions of the Company’s Amended and Restated Certificate of Incorporation and all amendments thereto and resolutions
of the Board of Directors providing for the issue of preferred stock (copies of which may be obtained from the secretary of the
Company), to all of which the holder of this certificate by acceptance hereof assents.


 


For value received, ___________________________
hereby sells, assigns and transfers unto


 


PLEASE INSERT SOCIAL SECURITY OR OTHER


IDENTIFYING NUMBER OF ASSIGNEE


 


	
         
	 


 


 


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


 


 


 


 


                                                                                                                                                                                                                                                                              shares
of 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 Company 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(s) 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 SEC RULE 17Ad-15).


 


The holder of this certificate shall be entitled to receive
funds from the trust account established in connection with the Company’s initial public offering only in the event of the
Company’s liquidation upon failure to consummate a business combination within the required time period set forth in the
Company’s Amended and Restated Certificate of Incorporation as the same may be amended from time to time (the “Certificate”),
or if the holder seeks to convert his or her shares of common stock upon consummation of a business combination or in connection
with certain amendments to the Certificate. In no other circumstances shall the holder have any right or interest of any kind in
or to the trust account.