Document:

EX-4.2

 Exhibit 4.2 

SPECIMEN ORDINARY SHARE CERTIFICATE 
  

			
	NUMBER        	  	SHARES

 IRON HORSE ACQUISITION CORP. 

INCORPORATED UNDER THE LAWS OF THE CAYMAN ISLANDS 

CLASS A ORDINARY SHARES 

SEE REVERSE FOR 
 CERTAIN
DEFINITIONS 
 CUSIP [    ] 

This Certifies that
                                         
        is the owner of___________________________ 
 FULLY PAID AND NON-ASSESSABLE CLASS A ORDINARY SHARES OF THE PAR VALUE OF $0.0001 
 EACH OF 

IRON HORSE ACQUISITION 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 a business combination within the period of time as set forth
in the Company’s Amended and Restated Memorandum and Articles of Association, as the same may be amended from time to time, all as more fully described in the Company’s final prospectus dated
                     , 2018 

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 director. 

Dated:                     
            
 [Corporate Seal] 

 

			
		 	  

CHAIRMAN

  
  

 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. 

IRON HORSE ACQUISITION CORP. 
 The
Company will furnish without charge to each shareholder 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 Memorandum and
Articles of Association and all amendments thereto and resolutions of the Board of Directors providing for the issue of Class A Ordinary Shares (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 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) 

 
  
  

 

			
	 	 	shares

 of the capital 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 will 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 S.E.C. RULE
17Ad-15). 
 The holder(s) of this certificate shall be entitled to receive a
pro-rata portion of the funds from the trust account only in the event that (i) the Company is forced to liquidate because it does not consummate an initial business combination within the period of time
set forth in the Company’s Amended and Restated Memorandum and Articles of Association, as the same may be amended from time to time (the “Charter”) or (ii) if the holder seeks to convert his shares upon consummation of, or sell
his shares in a tender offer in connection with, an initial business combination or in connection with certain amendments to the Charter. 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 

IRON HORSE ACQUISITION CORP. 

A Cayman Islands Exempted Company 

CUSIP [●] 
 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 Class A ordinary shares, $0.0001 par value (“Ordinary Shares”), of Iron Horse Acquisition
Corp., a Cayman Islands exempted company (the “Company”). Each 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 Ordinary Shares 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 Warrant is initially exercisable for one fully paid and non-assessable Ordinary Share. The number
of Ordinary Shares 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 Ordinary Share 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. 

 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. 

 

			
	IRON HORSE ACQUISITION CORP.

 
			
		
	By:	 	 
	Name: 	 	 
	Title:	 	 

 
			
	
	 CONTINENTAL STOCK TRANSFER &

TRUST COMPANY, as Warrant Agent

 
			
		
	By:	 	 
	Name: 	 	 
	Title:	 	 

 [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 Ordinary Shares and are issued or to be issued pursuant to a Warrant Agreement dated as of [●], 2018 (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) 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 Ordinary Shares to be issued upon exercise is effective under the Securities Act and (ii) a prospectus thereunder relating to the Ordinary Shares 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 Ordinary Shares 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
an Ordinary Share, the Company shall, upon exercise, round down to the nearest whole number of Ordinary Shares 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 shareholder of the Company. 

 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 Ordinary Shares and
herewith tenders payment for such Ordinary Shares to the order of Iron Horse Acquisition Corp. (the “Company”) in the amount of $[●] in accordance with the terms hereof. The undersigned requests that a certificate for such
Ordinary Shares be registered in the name of [●], whose address is [●] and that such Ordinary Shares be delivered to whose address is [●]. If said number of Ordinary Shares is less than all of the Ordinary Shares purchasable
hereunder, the undersigned requests that a new Warrant Certificate representing the remaining balance of such Ordinary Shares 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 Ordinary Shares 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 that is to be exercised on a “cashless” basis pursuant to subsection
3.3.1(c) of the Warrant Agreement, the number of Ordinary Shares 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 Ordinary Shares 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 Ordinary Shares 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 Ordinary Shares. If said number of shares is less than all of the
Ordinary Shares purchasable hereunder (after giving effect to the cashless exercise), the undersigned requests that a new Warrant Certificate representing the remaining balance of such Ordinary Shares be registered in the name of [●], whose
address is [●] and that such Warrant Certificate be delivered to [●], whose address is [●]. 
 [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)).

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