EX-10.6





 Exhibit 10.6 

FORM OF 
 PRIVATE
PLACEMENT WARRANTS PURCHASE AGREEMENT 
 THIS PRIVATE PLACEMENT WARRANTS
PURCHASE AGREEMENT, effective as of [●] (as it may from time to time be amended, this “Agreement”), is entered into by and between GLADSTONE
ACQUISITION CORPORATION, a Delaware corporation (the “Company”), and GLADSTONE SPONSOR, LLC, a Delaware limited liability company (the
“Purchaser”). 
 WHEREAS: 

The Company intends to consummate an initial public offering of the Company’s units (the “Public Offering”), each
unit consisting of one share of the Company’s Class A common stock, par value $0.0001 per share (each, a “Share”), and one-half of one redeemable warrant as set forth in the
Company’s registration statement on Form S-1, filed with the Securities and Exchange Commission (the “SEC”), File Number 333-252916 (the
“Registration Statement”), under the Securities Act of 1933, as amended (the “Securities Act”); 

Each whole warrant entitles the holder to purchase one Share at an exercise price of $11.50 per Share; and 

The Purchaser has agreed to purchase an aggregate of 4,200,000 redeemable warrants (or up to 4,500,000 private placement warrants if the
over-allotment option is exercised in full) (the “Private Placement Warrants”), each whole Private Placement Warrant entitling the holder to purchase one Share at an exercise price of $11.50 per Share. 

NOW THEREFORE, in consideration of the mutual promises contained in this Agreement and
other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties to this Agreement hereby, intending legally to be bound, agree as follows: 

AGREEMENT 

Section 1. Authorization, Purchase and Sale; Terms of the Private Placement Warrants. 

A. Authorization of the Private Placement Warrants. The Company has duly authorized the issuance and sale of the Private Placement
Warrants to the Purchaser. 
 B. Purchase and Sale of the Private Placement Warrants. 

(i) On the date of the consummation of the Public Offering or on such earlier time and date as may be mutually agreed by the Purchaser and the
Company (the “Initial Closing Date”), the Company shall issue and sell to the Purchaser, and the Purchaser shall purchase from the Company, 4,200,000 Private Placement Warrants at a price of $1.00 per warrant for an aggregate
purchase price of $4,200,000 (the “Purchase Price”), which shall be paid by wire transfer of immediately available funds to the Company at least one day prior to the Initial Closing


  
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Date in accordance with the Company’s wiring instructions; provided, however, that the Purchase Price shall be reimbursed to the Purchaser if the Initial Closing Date does not occur on the
day following such wire payment. On the Initial Closing Date, following the payment by the Purchaser of the Purchase Price by wire transfer of immediately available funds to the Company, the Company, at its option, shall deliver a certificate
evidencing the Private Placement Warrants purchased on such date duly registered in the Purchaser’s name to the Purchaser, or effect such delivery in book-entry form. 

(ii) On the date of the consummation of the closing of the over-allotment option in connection with the Public Offering, and concurrently with
the consummation thereof, or on such earlier time and date as may be mutually agreed by the Purchaser and the Company (each such date, an “Over-allotment Closing Date”; together with the Initial Closing Date, the “Closing
Dates” and each, a “Closing Date”), the Company shall issue and sell to the Purchaser, and the Purchaser shall purchase from the Company, up to an aggregate of 300,000 Private Placement Warrants, in the same proportion as
the amount of the over-allotment option that is exercised, at a price of $1.00 per warrant for an aggregate purchase price of up to $300,000 (if the over-allotment option in connection with the Public Offering is exercised in full) (the
“Over-allotment Purchase Price”), which shall be paid by wire transfer of immediately available funds to the Company in accordance with the Company’s wiring instructions. On the Over-allotment Closing Date, upon the payment by
the Purchaser of the Over-allotment Purchase Price payable by it by wire transfer of immediately available funds to the Company, the Company shall either, at its option, deliver a certificate evidencing the Private Placement Warrants purchased by
the Purchaser on such date duly registered in the Purchaser’s name to the Purchaser, or effect such delivery in book-entry form. 

C. Terms of the Private Placement Warrants. 

(i) Each Private Placement Warrant shall have the terms set forth in a Warrant Agreement to be entered into by the Company and a warrant agent,
in connection with the Public Offering (the “Warrant Agreement”). 
 (ii) At or prior to the time of the closing of
the Public Offering, the Company and the Purchaser shall enter into a registration rights agreement (the “Registration Rights Agreement”) pursuant to which the Company will grant certain registration rights to the Purchaser
relating to the Private Placement Warrants and the Shares underlying the Private Placement Warrants. 
 Section 2. Representations and
Warranties of the Company. As a material inducement to the Purchaser to enter into this Agreement and purchase the Private Placement Warrants, the Company hereby represents and warrants to the Purchaser (which representations and warranties
shall survive each Closing Date) that: 
 A. Organization and Corporate Power. The Company is a corporation duly incorporated, validly
existing and in good standing under the laws of the State of Delaware and is qualified to do business in every jurisdiction in which the failure to so qualify would reasonably be expected to have a material adverse effect on the financial condition,
operating results or assets of the Company. The Company possesses all requisite corporate power and authority necessary to carry out the transactions contemplated by this Agreement and the Warrant Agreement. 

  
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 B. Authorization; No Breach. 

(i) The execution, delivery and performance of this Agreement and the Private Placement Warrants have been duly authorized by the Company as of
the Closing Date. This Agreement constitutes the valid and binding obligation of the Company, enforceable in accordance with its terms. Upon issuance in accordance with, and payment pursuant to, the terms of the Warrant Agreement and this Agreement,
the Private Placement Warrants will constitute valid and binding obligations of the Company, enforceable in accordance with their terms as of each Closing Date. 

(ii) The execution and delivery by the Company of this Agreement and the Private Placement Warrants, the issuance and sale of the Private
Placement Warrants, the issuance of the Shares upon exercise of the Private Placement Warrants and the fulfillment of, and compliance with, the respective terms hereof and thereof by the Company, do not and will not as of each Closing Date
(a) conflict with or result in a breach of the terms, conditions or provisions of, (b) constitute a default under, (c) result in the creation of any lien, security interest, charge or encumbrance upon the Company’s capital stock
or assets under, (d) result in a violation of, or (e) require any authorization, consent, approval, exemption or other action by or notice or declaration to, or filing with, any court or administrative or governmental body or agency
pursuant to the certificate of incorporation of the Company or the Bylaws of the Company (in effect on the date hereof or as may be amended prior to completion of the contemplated Public Offering), or any material law, statute, rule or regulation to
which the Company is subject, or any agreement, order, judgment or decree to which the Company is subject, except for any filings required after the date hereof under federal or state securities laws. 

C. Title to Securities. Upon issuance in accordance with, and payment pursuant to, the terms hereof and the Warrant Agreement, the
Shares issuable upon exercise of the Private Placement Warrants will be duly and validly issued, fully paid and nonassessable. Upon issuance in accordance with, and payment pursuant to, the terms hereof and the Warrant Agreement, the Purchaser will
have good title to the Private Placement Warrants and the Shares issuable upon exercise of such Private Placement Warrants, free and clear of all liens, claims and encumbrances of any kind, other than (i) transfer restrictions hereunder and
under the other agreements contemplated hereby, (ii) transfer restrictions under federal and state securities laws, and (iii) liens, claims or encumbrances imposed due to the actions of the Purchaser. 

D. Governmental Consents. No permit, consent, approval or authorization of, or declaration to or filing with, any governmental authority
is required in connection with the execution, delivery and performance by the Company of this Agreement or the consummation by the Company of any other transactions contemplated hereby. 

Section 3. Representations and Warranties of the Purchaser. As a material inducement to the Company to enter into this Agreement and
issue and sell the Private Placement Warrants to the Purchaser, the Purchaser hereby represents and warrants to the Company (which representations and warranties shall survive each Closing Date) that: 

  
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 A. Organization and Requisite Authority. The Purchaser possesses all requisite power
and authority necessary to carry out the transactions contemplated by this Agreement. 
 B. Authorization; No Breach. 

(i) This Agreement constitutes a valid and binding obligation of the Purchaser, enforceable in accordance with its terms, subject to
bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium and other laws of general applicability relating to or affecting creditors’ rights and to general equitable principles (whether considered in a proceeding in equity or
law). 
 (ii) The execution and delivery by the Purchaser of this Agreement and the fulfillment of and compliance with the terms hereof by
the Purchaser does not and shall not as of each Closing Date conflict with or result in a breach by the Purchaser of the terms, conditions or provisions of any agreement, instrument, order, judgment or decree to which the Purchaser is subject. 

C. Investment Representations. 

(i) The Purchaser is acquiring the Private Placement Warrants and, upon exercise of the Private Placement Warrants, the Shares issuable upon
such exercise (collectively, the “Securities”), for the Purchaser’s own account, for investment purposes only and not with a view towards, or for resale in connection with, any public sale or distribution thereof. 

(ii) The Purchaser is an “accredited investor” as such term is defined in Rule 501(a)(3) of Regulation D under the
Securities Act. 
 (iii) The Purchaser understands that the Securities are being offered and will be sold to it in reliance on specific
exemptions from the registration requirements of the United States federal and state securities laws and that the Company is relying upon the truth and accuracy of, and the Purchaser’s compliance with, the representations and warranties of the
Purchaser set forth herein in order to determine the availability of such exemptions and the eligibility of the Purchaser to acquire such Securities. 

(iv) The Purchaser did not decide to enter into this Agreement as a result of any general solicitation or general advertising within the
meaning of Rule 502(c) under the Securities Act. 
 (v) The Purchaser has been furnished with all materials relating to the business,
finances and operations of the Company and materials relating to the offer and sale of the Securities which have been requested by the Purchaser. The Purchaser has been afforded the opportunity to ask questions of the executive officers and
directors of the Company. The Purchaser understands that its investment in the Securities involves a high degree of risk and it has sought such accounting, legal and tax advice as it has considered necessary to make an informed investment decision
with respect to the acquisition of the Securities. 
 (vi) The Purchaser understands that no United States federal or state agency or any
other government or governmental agency has passed on or made any recommendation or endorsement of the Securities or the fairness or suitability of the investment in the Securities by the Purchaser nor have such authorities passed upon or endorsed
the merits of the offering of the Securities. 

  
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 (vii) The Purchaser understands that: (a) the Securities have not been and are not
being registered under the Securities Act or any state securities laws, and may not be offered for sale, sold, assigned or transferred unless (1) subsequently registered thereunder or (2) sold in reliance on an exemption therefrom; and
(b) except as specifically set forth in the Registration Rights Agreement, neither the Company nor any other person is under any obligation to register the Securities under the Securities Act or any state securities laws or to comply with the
terms and conditions of any exemption thereunder. In this regard, the Purchaser understands that the SEC has taken the position that promoters or affiliates of a blank check company and their transferees, both before and after a Business
Combination, are deemed to be “underwriters” under the Securities Act when reselling the securities of a blank check company. Based on that position, Rule 144 adopted pursuant to the Securities Act would not be available for
resale transactions of the Securities despite technical compliance with the requirements of such Rule, and the Securities can be resold only through a registered offering or in reliance upon another exemption from the registration requirements of
the Securities Act. 
 (viii) The Purchaser has such knowledge and experience in financial and business matters, knowledge of the high degree
of risk associated with investments in the securities of companies in the development stage such as the Company, is capable of evaluating the merits and risks of an investment in the Securities and is able to bear the economic risk of an investment
in the Securities in the amount contemplated hereunder for an indefinite period of time. The Purchaser has adequate means of providing for its current financial needs and contingencies and will have no current or anticipated future needs for
liquidity which would be jeopardized by the investment in the Securities. The Purchaser can afford a complete loss of its investment in the Securities. 

(ix) The Purchaser understands that the Private Placement Warrants shall bear the legend substantially in the form set forth in the Warrant
Agreement. 
 Section 4. Conditions of the Purchaser’s Obligations. The obligations of the Purchaser to purchase and pay for
the Private Placement Warrants are subject to the fulfillment, on or before each Closing Date, of each of the following conditions: 
 A.
Representations and Warranties. The representations and warranties of the Company contained in Section 2 shall be true and correct at and as of such Closing Date as though then made. 

B. Performance. The Company shall have performed and complied with all agreements, obligations and conditions contained in this
Agreement that are required to be performed or complied with by it on or before such Closing Date. 
 C. No Injunction. No litigation,
statute, rule, regulation, executive order, decree, ruling or injunction shall have been enacted, entered, promulgated or endorsed by or in any court or governmental authority of competent jurisdiction or any self-regulatory organization having
authority over the matters contemplated hereby, which prohibits the consummation of any of the transactions contemplated by this Agreement or the Warrant Agreement. 

  
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 D. Warrant Agreement. The Company shall have entered into a Warrant Agreement with a
warrant agent on terms satisfactory to the Purchaser. 
 Section 5. Conditions of the Company’s Obligations. The obligations
of the Company to the Purchaser under this Agreement are subject to the fulfillment, on or before each Closing Date, of each of the following conditions: 

A. Representations and Warranties. The representations and warranties of the Purchaser contained in Section 3 shall be true and
correct at and as of such Closing Date as though then made. 
 B. Performance. The Purchaser shall have performed and complied with
all agreements, obligations and conditions contained in this Agreement that are required to be performed or complied with by the Purchaser on or before such Closing Date. 

C. No Injunction. No litigation, statute, rule, regulation, executive order, decree, ruling or injunction shall have been enacted,
entered, promulgated or endorsed by or in any court or governmental authority of competent jurisdiction or any self-regulatory organization having authority over the matters contemplated hereby, which prohibits the consummation of any of the
transactions contemplated by this Agreement or the Warrant Agreement. 
 D. Warrant Agreement. The Company shall have entered into a
Warrant Agreement with a warrant agent on terms satisfactory to the Company. 
 Section 6. Termination. This Agreement may be
terminated at any time after June 30, 2021 upon the election by either the Company or the Purchaser upon written notice to the other party if the closing of the Public Offering does not occur prior to such date. 

Section 7. Survival of Representations and Warranties. All of the representations and warranties contained herein shall survive each
Closing Date. 
 Section 8. Definitions. Terms used but not otherwise defined in this Agreement shall have the meaning assigned to
such terms in the Registration Statement. 
 Section 9. Miscellaneous. 

A. Successors and Assigns. Except as otherwise expressly provided herein, all covenants and agreements contained in this Agreement by or
on behalf of any of the parties hereto shall bind and inure to the benefit of the respective successors of the parties hereto whether so expressed or not. Notwithstanding the foregoing or anything to the contrary herein, the parties may not assign
this Agreement, other than assignments by the Purchaser to affiliates thereof. 
 B. Severability. Whenever possible, each provision
of this Agreement shall be interpreted in such manner as to be effective and valid under applicable law, but if any provision of this Agreement is held to be prohibited by or invalid under applicable law, such provision shall be ineffective only to
the extent of such prohibition or invalidity, without invalidating the remainder of this Agreement. 

  
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 C. Counterparts. This Agreement may be executed simultaneously in two or more
counterparts, none of which need contain the signatures of more than one party, but all such counterparts taken together shall constitute one and the same agreement. 

D. Descriptive Headings; Interpretation. The descriptive headings of this Agreement are inserted for convenience only and do not
constitute a substantive part of this Agreement. The use of the word “including” in this Agreement shall be by way of example rather than by limitation. 

E. Governing Law. This Agreement shall be deemed to be a contract made under the laws of the State of New York and for all purposes
shall be construed in accordance with the internal laws of the State of New York. 
 F. Amendments. This Agreement may not be amended,
modified or waived as to any particular provision, except by a written instrument executed by all parties hereto. 
 [Signature page follows]


  
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 IN WITNESS WHEREOF, the
parties hereto have executed this Agreement to be effective as of the date first set forth above. 
  

			
	COMPANY:
	
	GLADSTONE ACQUISITION CORPORATION
		
	By:	 	  

	Name:	 	Michael LiCalsi
	Title:	 	General Counsel & Secretary PURCHASER:
	
	GLADSTONE SPONSOR, LLC
		
	By:	 	  

	Name:	 	Michael LiCalsi
	Title:	 	General Counsel & Secretary


 SIGNATURE PAGE TO 

PRIVATE PLACEMENT WARRANTS PURCHASE AGREEMENT