Document:

EX-4.2

 Exhibit 4.2 
  

			
	NUMBER	  	NUMBER
		  	C-
		  	SHARES
		  	SEE REVERSE FOR CERTAIN DEFINITIONS
		  	CUSIP 42087R 108

 HAYMAKER ACQUISITION CORP. III 

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. III 
 (THE “COMPANY”) 

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 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 certificated of incorporation, as the same may be amended from time to time, all as more fully described in the Company’s final prospectus dated
                , 2021. 
 This certificate is not valid unless
countersigned by the Transfer Agent and registered by the Registrar. 
 Witness the seal of the Company and the facsimile signatures of its duly authorized
officers. 
  

					
	 Chief Executive Officer
  
	  	[Corporate Seal] Delaware	  	 Chief Financial Officer
  

 HAYMAKER ACQUISITION CORP. III 

 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 stock 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
securities (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. 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 Company 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 S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE). 

In each case, as more fully described in the Company’s final prospectus dated
                , 2021, 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 Class A common stock sold in the Company’s 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 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.EX-4.3

 Exhibit 4.3 

[Form of Warrant Certificate] 

[FACE] 
 Number 

Warrants 
 THIS WARRANT
SHALL BE VOID IF NOT EXERCISED PRIOR TO 
 THE EXPIRATION OF THE EXERCISE PERIOD PROVIDED FOR 

IN THE WARRANT AGREEMENT DESCRIBED BELOW 

HAYMAKER ACQUISITION CORP. III 

Incorporated Under the Laws of the State of Delaware 

CUSIP 42087R 116 
 Warrant
Certificate 

This Warrant Certificate certifies that  
              , or registered assigns, is the registered holder of warrant(s) evidenced hereby (the “Warrants” and each, a
“Warrant”) to purchase shares of Class A common stock, $0.0001 par value per share (“Common Stock”), of Haymaker Acquisition Corp. III, a Delaware corporation (the
“Company”). Each whole Warrant entitles the holder, upon exercise during the period set forth in the Warrant Agreement referred to below, to receive from the Company that number of fully paid and non-assessable shares of Common Stock as set forth below, at the exercise price (the “Exercise Price”) as determined pursuant to the Warrant Agreement, payable in lawful
money (or through “cashless exercise” as provided for in the Warrant Agreement) of the United States of America upon surrender of this Warrant Certificate and payment of the Exercise Price at the office or
agency of the Warrant Agent referred to below, subject to the conditions set forth herein and in the Warrant Agreement. Defined terms used in this Warrant Certificate but not defined herein shall have the meanings given to them in the Warrant
Agreement. 
 Each whole Warrant is initially exercisable for one fully paid and non-assessable
share of Common Stock. No fractional shares will be issued upon exercise of any Warrant. If, upon the exercise of Warrants, a holder would be entitled to receive a fractional interest in a share of Common Stock, the Company will, upon exercise,
round down to the nearest whole number the number of shares of Common Stock to be issued to the Warrant holder. The number of shares of Common Stock issuable upon exercise of the Warrants is subject to adjustment upon the occurrence of certain
events set forth in the Warrant Agreement. 
 The initial Exercise Price per share of Common Stock for any Warrant is equal to $11.50 per
share. The Exercise Price is subject to adjustment upon the occurrence of certain events set forth in the Warrant Agreement. 
 Subject
to the conditions set forth in the Warrant Agreement, the Warrants may be exercised only during the Exercise Period and to the extent not exercised by the end of such Exercise Period, such Warrants shall become void. 

  
 1 

 Reference is hereby made to the further provisions of this Warrant Certificate set forth on
the reverse hereof and such further provisions shall for all purposes have the same effect as though fully set forth at this place. 
 This
Warrant Certificate shall not be valid unless countersigned by the Warrant Agent, as such term is used in the Warrant Agreement.
 This
Warrant Certificate shall be governed by and construed in accordance with the internal laws of the State of New York, without regard to conflicts of laws principles thereof. 

 

			
	HAYMAKER ACQUISITION CORP. III
		
	By:	 	
                     
    

	Name:	 	
	Title:	 	
	
	CONTINENTAL STOCK TRANSFER & TRUST COMPANY, as Warrant Agent
		
	By:	 	  

	Name:	 	
	Title:	 	

  
 2 

 [Form of Warrant Certificate] 

[Reverse] 
 The Warrants
evidenced by this Warrant Certificate are part of a duly authorized issue of Warrants entitling the holder on exercise to receive shares of Common Stock and are issued or to be issued pursuant to a Warrant Agreement dated as of
                , 2021 (the “Warrant Agreement”), duly executed and delivered by the Company to Continental Stock
Transfer & Trust Company, a New York corporation, as warrant agent (the “Warrant Agent”), which Warrant Agreement is hereby incorporated by reference in and made a part of this instrument and is
hereby referred to for a description of the rights, limitation of rights, obligations, duties and immunities thereunder of the Warrant Agent, the Company and the holders (the words “holders” or
“holder” meaning the Registered Holders or Registered Holder, respectively) of the Warrants. A copy of the Warrant Agreement may be obtained by the holder hereof upon written request to the Company. Defined terms
used in this Warrant Certificate but not defined herein shall have the meanings given to them in the Warrant Agreement. 
 Warrants may be
exercised at any time during the Exercise Period set forth in the Warrant Agreement. The holder of Warrants evidenced by this Warrant Certificate may exercise them by surrendering this Warrant Certificate, with the form of election to purchase
set forth hereon properly completed and executed, together with payment of the Exercise Price as specified in the Warrant Agreement (or through “cashless exercise” as provided for in the Warrant Agreement) at the principal corporate trust
office of the Warrant Agent. In the event that upon any exercise of Warrants evidenced hereby the number of Warrants exercised shall be less than the total number of Warrants evidenced hereby, there shall be issued to the holder hereof or his,
her or its assignee, a new Warrant Certificate evidencing the number of Warrants not exercised. 
 Notwithstanding anything else in this
Warrant Certificate or the Warrant Agreement, no Warrant may be exercised unless at the time of exercise (i) a registration statement covering the shares of Common Stock to be issued upon exercise is effective under the Securities Act and
(ii) a prospectus thereunder relating to the shares of Common Stock is current, except through “cashless exercise” as provided for in the Warrant Agreement. 

The Warrant Agreement provides that upon the occurrence of certain events the number of shares of Common Stock issuable upon exercise of the
Warrants set forth on the face hereof may, subject to certain conditions, be adjusted. If, upon exercise of a Warrant, the holder thereof would be entitled to receive a fractional interest in a share of Common Stock, the Company shall, upon
exercise, round down to the nearest whole number of shares of Common Stock to be issued to the holder of the Warrant. 
 Warrant
Certificates, when surrendered at the principal corporate trust office of the Warrant Agent by the Registered Holder thereof in person or by legal representative or attorney duly authorized in writing, may be exchanged, in the manner and subject to
the limitations provided in the Warrant Agreement, but without payment of any service charge, for another Warrant Certificate or Warrant Certificates of like tenor evidencing in the aggregate a like number of Warrants. 

Upon due presentation for registration of transfer of this Warrant Certificate at the office of the Warrant Agent a new Warrant Certificate or
Warrant Certificates of like tenor and evidencing in the aggregate a like number of Warrants shall be issued to the transferee(s) in exchange for this Warrant Certificate, subject to the limitations provided in the Warrant Agreement, without
charge except for any tax or other governmental charge imposed in connection therewith. 
 The Company and the Warrant Agent may deem and
treat the Registered Holder(s) hereof as the absolute owner(s) of this Warrant Certificate (notwithstanding any notation of ownership or other writing hereon made by anyone), for the purpose of any exercise hereof, of any distribution to
the holder(s) hereof, and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the contrary. Neither the Warrants nor this Warrant Certificate entitles any holder hereof to any rights of
a stockholder of the Company. 

  
 3 

 Election to Purchase 

(To Be Executed Upon Exercise of Warrant) 

The undersigned hereby irrevocably elects to exercise the right, represented by this Warrant Certificate, to receive
                 shares of Common Stock and herewith tenders payment for such shares of Common Stock to the order of Haymaker Acquisition Corp. III
(the “Company”) in the amount of $                 in accordance with the terms hereof. The undersigned requests that a certificate for
such shares of Common Stock be registered in the name of                 , whose address is
                 and that such shares of Common Stock be delivered to                 
                 whose address is                 . If said number of shares of
Common Stock is less than all of the shares of Common Stock purchasable hereunder, the undersigned requests that a new Warrant Certificate representing the remaining balance of such shares of Common Stock be registered in the name of
                , whose address is                  and that such Warrant Certificate be
delivered to                 , whose address is                 . 

In the event that the Warrant has been called for redemption by the Company pursuant to Section 6 of the
Warrant Agreement and the Company has required cashless exercise pursuant to Section 6.3 of the Warrant Agreement, the number of shares of Common Stock that this Warrant is exercisable for shall be determined in
accordance with subsection 3.3.1(b) and Section 6.3 of the Warrant Agreement. 
 In the
event that the Warrant is a Private Placement Warrant, Working Capital Warrant, or Post IPO Warrant that is to be exercised on a “cashless” basis pursuant to subsection 3.3.1(c) of the Warrant Agreement,
the number of shares of Common Stock that this Warrant is exercisable for shall be determined in accordance with subsection 3.3.1(c) of the Warrant Agreement. 

In the event that the Warrant is to be exercised on a “cashless” basis pursuant
to Section 7.4 of the Warrant Agreement, the number of shares of Common Stock that this Warrant is exercisable for shall be determined in accordance with Section 7.4 of the
Warrant Agreement. 
 In the event that the Warrant may be exercised, to the extent allowed by the Warrant Agreement, through cashless
exercise (i) the number of shares of Common Stock that this Warrant is exercisable for would be determined in accordance with the relevant section of the Warrant Agreement which allows for such cashless exercise and (ii) the holder hereof
shall complete the following: The undersigned hereby irrevocably elects to exercise the right, represented by this Warrant Certificate, through the cashless exercise provisions of the Warrant Agreement, to receive shares of Common Stock. If
said number of shares of Common Stock is less than all of the shares of Common Stock purchasable hereunder (after giving effect to the cashless exercise), the undersigned requests that a new Warrant Certificate representing the remaining balance of
such shares of Common Stock be registered in the name of                 , whose address is
                 and that such Warrant Certificate be delivered to                 ,
whose address is                 . 

  
 4 

 [Signature Page Follows] 

 

			
	Date: , 20	  	  

		  	(Signature)
		
		  	  

		
		  	  

		
		  	  

		  	(Address)
		  	  
 (Tax Identification Number)

	 Signature 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 S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE)). 

  
 5

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