Document:

Exhibit
4.1

 

	NUMBER	SAILSM
    securities

U-

 

SEE REVERSE FOR CERTAIN DEFINITIONS

 

CUSIP [________]

 

HEALTH ASSURANCE ACQUISITION CORP. 

 

SAILSM (STAKEHOLDER
ALIGNED INITIAL LISTING) SECURITY CONSISTING OF ONE SHARE OF CLASS A COMMON STOCK AND ONE-FOURTH OF ONE WARRANT TO
PURCHASE ONE SHARE OF CLASS A COMMON STOCK

 

THIS CERTIFIES THAT____________________is
the owner of___________ SAILSM securities.

 

Each SAILSM security (“SAILSM
security”) consists of one (1) share of Class A common stock, par value $0.0001 per share (“Common
Stock”), of Health Assurance Acquisition Corp., a Delaware corporation (the “Company”),
and one-fourth (1/4) of one warrant (a “Warrant”).  Each whole Warrant entitles the holder to purchase
one (1) share (subject to adjustment) of Common Stock for $11.50 per share (subject to adjustment).  Each Warrant will
become exercisable on the later of (i) thirty (30) days after the Company’s completion of
a merger, share exchange, asset acquisition, share purchase, reorganization or other similar business combination with one or more
businesses (each, a “Business Combination”), or (ii) twelve (12) months from the closing
of the Company’s initial public offering, and will expire unless exercised before 5:00 p.m., New York City Time, on the date
that is five (5) years after the date on which the Company completes its initial Business Combination, or earlier upon redemption
or liquidation (the “Expiration Date”).  The Common Stock and Warrants comprising the SAILSM
securities represented by this certificate are not transferable separately prior to                
,                unless Morgan Stanley & Co. LLC elects to allow separate trading earlier, subject to the Company’s filing of a Current
Report on Form 8-K with the Securities and Exchange Commission containing an audited balance sheet reflecting the Company’s
receipt of the gross proceeds of the Company’s initial public offering and issuing a press release announcing when separate
trading will begin. No fractional warrants will be issued upon separation of the SAILSM securities.  The terms
of the Warrants are governed by a Warrant Agreement, dated as of               ,
2020, between the Company and Continental Stock Transfer & Trust Company, as Warrant Agent, and are subject to the terms
and provisions contained therein, all of which terms and provisions the holder of this certificate consents to by acceptance hereof. 
Copies of the Warrant Agreement are on file at the office of the Warrant Agent at 1 State Street, 30th Floor, New York, New York
10004, and are available to any Warrant holder on written request and without cost.

 

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

 

This certificate shall be governed by and
construed in accordance with the internal laws of the State of New York.

 

Witness the facsimile signature of its duly
authorized officers.

 

     

     

    

 

	Secretary	 	Chief Financial Officer

 

 Health Assurance Acquisition Corp.

 

The Company will furnish without charge
to each holder of a SAILSM security who so requests, a statement of the powers, designations, preferences and relative,
participating, optional or other special rights of each class of stock or series thereof of the Company and the qualifications,
limitations, or restrictions of such preferences and/or rights.

 

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 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)

 

________________________________________
SAILSM securities represented by the within Certificate, 

 

and does hereby irrevocably constitute
and appoint__________________________Attorney

 

to transfer the said SAILSM securities
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) 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 (OR ANY SUCCESSOR RULE).

 

In each case, as more fully described
in the Company’s final prospectus
dated                    ,
2020, the holder(s) of this certificate shall be entitled to receive a pro-rata portion of certain funds held in the
trust account established in connection with its initial public offering only in the event that (i) the Company redeems
the shares of Common Stock sold in its initial public offering and liquidates because it does not consummate an initial
Business Combination within the period of time set forth in the Company’s amended and restated certificate of
incorporation, as the same may be amended from time to time, (ii) the Company redeems the shares of Common Stock sold in
its initial public offering in connection with a stockholder vote to amend the Company’s amended and restated
certificate of incorporation to modify the substance or timing of the Company’s obligation to redeem 100% of the Common
Stock if it does not consummate an initial Business Combination within the period of time set forth in the Company’s
amended and restated certificate of incorporation, as the same may be amended from time to time, or with respect to any other
provisions relating to the rights of holders of Common Stock, or (iii) if the holder(s) seek(s) to redeem for
cash his, her or its respective shares of Common Stock in connection with a tender offer (or proxy solicitation, solely in
the event the Company seeks stockholder approval of the proposed initial Business Combination) setting forth the details of a
proposed initial Business Combination.  In no other circumstances shall the holder(s) have any right or interest of
any kind in or to the trust account.Exhibit 4.2

 

NUMBER

	C-	SHARES

 

SEE REVERSE FOR

CERTAIN DEFINITIONS

 

CUSIP [________]

 

HEALTH ASSURANCE ACQUISITION CORP.

 

INCORPORATED UNDER THE
LAWS OF THE STATE OF DELAWARE

CLASS A COMMON STOCK

 

This Certifies that ___________________________is the owner
of _______________

 

FULLY PAID AND NON-ASSESSABLE SHARES OF
THE PAR VALUE OF $0.0001 EACH OF THE CLASS A COMMON STOCK OF

HEALTH ASSURANCE ACQUISITION CORP.

(THE “CORPORATION”)

 

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

 

The Corporation will be forced to redeem
all of its shares of Class A common stock if it is unable to complete a business combination within the period set forth in the
Corporation’s amended and restated certificate of incorporation, as the same may be amended from time to time, as more fully
described in the Corporation’s prospectus dated               , 2020.

 

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

 

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

 

Dated:                

 

	Chief Executive Officer	[Corporate Seal]	Chief Financial Officer
	 	Delaware	 

 

     

     

    

 

HEALTH ASSURANCE ACQUISITION CORP.

 

The Corporation 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 stock or series thereof of the Corporation 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 Corporation’s
amended and restated certificate of incorporation, as the same may be amended from time to time, and resolutions of the Board of
Directors providing for the issue of securities (copies of which may be obtained from the secretary of the Corporation), to all
of which the holder of this certificate by acceptance hereof assents.

 

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 sells, assigns and transfers unto

 

 

 

(PLEASE
INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER(S) OF ASSIGNEE(S))

 

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

 

Shares of
the capital stock represented by the within Certificate, and does 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:__________

 

	 	Shareholder

 

NOTICE: THE SIGNATURE(S) 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:
 By
	 	 
	 	 

 

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 (OR ANY SUCCESSOR RULE).

 

In each case, as more fully described in the Corporation’s
final prospectus dated , 2020, the holder(s) of this certificate shall be entitled to receive a pro-rata portion of certain funds
held in the trust account established in connection with the Corporation’s initial public offering only in the event that
(i) the Corporation redeems the shares of Class A common stock sold in its initial public offering and liquidates because it does
not consummate an initial business combination within the period set forth in the Corporation’s amended and restated certificate
of incorporation, as the same may be amended from time to time (ii) the Corporation redeems the shares of Class A common stock
sold in its initial public offering in connection with a stockholder vote to amend the Corporation’s amended and restated
certificate of incorporation to modify the substance or timing of the Corporation’s obligation to redeem 100% of the Class
A common stock if it does not consummate an initial business combination within the period set forth in the Corporation’s
amended and restated certificate of incorporation, as the same may be amended from time to time, or with respect to any other provisions
relating to the rights of holders of Class A common stock or (iii) if the holder(s) seek(s) to redeem for cash his, her or its
respective shares of Class A common stock in connection with a tender offer (or proxy solicitation, solely in the event the Corporation
seeks stockholder approval of the proposed initial business combination) setting forth the details of a proposed initial business
combination. In no other circumstances shall the holder(s) have any right or interest of any kind in or to the trust account.

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