Document:

Exhibit 4.1

 

NUMBER UNITS

U-

 

SEE REVERSE FOR CERTAIN DEFINITIONS

 

CUSIP 420870 206

HAYMAKER ACQUISITION CORP.

 

UNITS CONSISTING OF ONE SHARE OF CLASS A
COMMON STOCK AND ONE-HALF OF ONE

WARRANT TO PURCHASE ONE SHARE OF CLASS A COMMON STOCK

 

THIS CERTIFIES THAT                     
is the owner of          Units.

 

Each Unit (“Unit”)
consists of one (1) share of Class A common stock, par value $0.0001 per share (“Common Stock”),
of Haymaker Acquisition Corp., a Delaware corporation (the “Company”), and one-half (1/2) of one
warrant (the “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, capital stock exchange, asset acquisition,
stock 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 Units represented by this certificate are not transferable
separately prior to             , 2017, unless Cantor Fitzgerald &
Co. 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 offering and issuing a press release announcing when separate trading will begin. The terms of the Warrants
are governed by a Warrant Agreement, dated as of             , 2017,
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, NY 10004-1561and
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 a duly
authorized signatory of the Company.

 

	
	 	 	 	

	Authorized Signatory	 	 	 	Transfer Agent

 

    	 	 	 

     

    

 

Haymaker Acquisition Corp.

 

The Company will furnish without charge
to each unitholder 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 sell, assign and transfer unto                     

 

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

 

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

 

        
Units represented by the within Certificate, and do hereby irrevocably constitute and appoint

 

Attorney to transfer the said Units 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             , 2017, 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 Company’s initial public offering only in the event that (i) the Company
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 time period set forth in the Company’s amended and restated certificate of incorporation,
as the same may be amended from time to time (such date being referred to herein as the “Last Date”), (ii) the
Company redeems the shares of Class A 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 Class A common stock if it does not consummate an initial business combination by the Last
Date, 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 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 420870 107

 

HAYMAKER 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

 

HAYMAKER 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 time period set forth in the Company’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 final prospectus dated             , 2017.

 

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.

 

	
	 	[Corporate Seal]	 	

	Authorized Signatory	 	Delaware	 	Transfer Agent

 

    	 	 	 

     

    

 

HAYMAKER 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 Certificate
of Incorporation and all amendments thereto 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 hereby irrevocably constitutes and appoints

 

 

 

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(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 SEC RULE 17Ad-15(OR ANY SUCCESSOR RULE).

 

In each case, as more fully described in the Corporation’s
final prospectus dated             , 2017, 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 time period set forth in the Corporation’s amended and restated certificate of incorporation, as the
same may be amended from time to time (such date being referred to herein as the “Last Date”), , (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 by the Last
Date, 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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