Document:

Exhibit
10.7

 

[●],
2021

 

Mountain
Crest Acquisition Corp. II

311 West 43rd Street, 12th Floor

New York, NY 10036

 

Ladies
and Gentlemen:

 

Mountain
Crest Acquisition Corp. II (the “Company”), a blank check company formed for the purpose of acquiring one or more
businesses or entities (a “Business Combination”), intends to register its securities under the Securities Act of
1933, as amended (“Securities Act”), in connection with its initial public offering (“IPO”), pursuant
to a registration statement on Form S-1 (“Registration Statement”).

 

The
undersigned hereby commits that it will purchase 50,000 units of the Company (“Placement Units”), each Placement Unit
consisting of one share of common stock of the Company, $0.0001 par value (the “Common Stock”) and one right to receive
one-tenth of one share of common stock upon the consummation of an initial Business Combination, at $10.00 per Placement Unit,
for a purchase price of $500,000 (the “Placement Unit Purchase Price”).

 

The
undersigned hereby agrees that it will purchase an additional amount of units of the Company (“Over-Allotment Units”),
up to a maximum of 7,500 Over-Allotment Units, or a maximum purchase price of $75,000 (“Over-Allotment Unit Purchase Price”,
together with the Placement Unit Purchase Price, the “Purchase Price”), purchased by Chardan Capital Markets, LLC
(the “Underwriter”) so that at least $10.00 per share sold to the public in the IPO is held in the trust account (as
described in the Registration Statement, the “Trust Account”) regardless of whether the over-allotment option is exercised
in full or in part.

 

At
least twenty-four (24) hours prior to the pricing of the IPO, the undersigned will cause the Placement Unit Purchase Price to
be delivered to an escrow account with Loeb & Loeb LLP (“Loeb”).

 

The
consummation of the purchase and issuance of the Placement Units shall occur simultaneously with the consummation of the IPO and
the consummation of the purchase and issuance of the Over-Allotment Units shall occur simultaneously with the closing of any exercise
of the over-allotment option related to the IPO. Simultaneously with or prior to the consummation of the IPO, Loeb shall deposit
the Private Unit Purchase Price, without interest or deduction, into the Trust Account.

 

Each
of the Company, and the undersigned acknowledges and agrees that Loeb is serving hereunder solely as a convenience to the parties
to facilitate the purchase of the Placement Units and Loeb’s sole obligation under this letter agreement is to act with
respect to holding and disbursing the Purchase Price for the Placement Units as described above. Loeb shall not be liable to the
Company, the Underwriter or the undersigned or any other person or entity in respect of any act or failure to act hereunder or
otherwise in connection with performing its services hereunder unless Loeb has acted in a manner constituting gross negligence
or willful misconduct. The Company and the undersigned shall indemnify Loeb against any claim made against it (including reasonable
attorney’s fees) by reason of it acting or failing to act in connection with this letter agreement except as a result of
its gross negligence or willful misconduct. Loeb may rely and shall be protected in acting or refraining from acting upon any
written notice, instruction or request furnished to it hereunder and believed by it to be genuine and to have been signed or presented
by the proper party or parties. 

 

The
Units and Over-Allotment Units will be identical to the units to be sold by the Company in the IPO. Additionally, the undersigned
agrees:

 

	 	●	to vote the shares of
    Common Stock included in the Placement Units and Over-Allotment Units in favor of any proposed Business Combination;

 

     

     

    

 

	 	●	not to propose, or vote in favor of, an amendment
    to the Company’s Amended and Restated Certificate of Incorporation (the “Certificate of Incorporation”)
    that would affect the substance or timing of the Company’s obligation to redeem 100% of the Company’s shares of
    Common Stock sold in the IPO if the Company does not complete an initial Business Combination within 9 months from the closing
    of the IPO (or up to 15 months, as applicable), unless the Company provides the holders of shares of Common Stock underlying
    the units sold in the IPO with the opportunity to redeem their shares of Common Stock upon approval of any such amendment
    at a per-share price, payable in cash, equal to the aggregate amount of the Trust Account, including interest earned on Trust
    Account and not previously released to the Company to pay the Company’s franchise and income taxes, divided by the number
    of then outstanding shares of Common Stock underlying the units sold in the IPO;

 

	 	●	not to convert any shares of Common Stock included
    in the Placement Units and Over-Allotment Units into the right to receive cash from the Trust Account in connection with a
    shareholder vote to approve either a Business Combination or an amendment to the provisions of the Certificate of Incorporation,
    and not to tender any shares of Common Stock included in the Placement Units and Over-Allotment Units in connection with a
    tender offer conducted prior to the closing of a Business Combination;

 

	 	●	that the undersigned will not participate in
    any liquidation distribution with respect to the Placement Units and Over-Allotment Units or any underlying securities (but
    will participate in liquidation distributions with respect to any units or shares of Common Stock purchased by the undersigned
    in the IPO or in the open market) if the Company fails to consummate a Business Combination;

 

	 	●	that the Placement Units, Over-Allotment Units
    and underlying securities will not be transferable until after the consummation of a Business Combination except (i) to the
    Company’s pre-IPO shareholders, or to the Company’s officers, directors, advisors and employees, (ii) transfers
    to the undersigned’s affiliates or its members upon its liquidation, (iii) to relatives and trusts for estate planning
    purposes, (iv) by virtue of the laws of descent and distribution upon death, (v) pursuant to a qualified domestic relations
    order, (vi) by private sales made in connection with the consummation of a Business Combination at prices no greater than
    the price at which the Placement Units were originally purchased or (vii) to the Company for cancellation in connection with
    the consummation of a Business Combination, in each case (except for clause vii) where the transferee agrees to the terms
    of the transfer restrictions; and

 

	 	●	the Placement Units and Over-Allotment Units
    will include any additional terms or restrictions as is customary in other similarly structured blank check company offerings
    or as may be reasonably required by the underwriters in the IPO in order to consummate the IPO, each of which will be set
    forth in the Registration Statement.

 

    2

     

    

 

The
undersigned acknowledges and agrees that the purchaser of the Placement Units and Over-Allotment Units will execute agreements
in form and substance typical for transactions of this nature necessary to effectuate the foregoing agreements and obligations
prior to the consummation of the IPO as are reasonably acceptable to the undersigned, including but not limited to an insider
letter.

 

The
undersigned hereby represents and warrants that:

 

	 	(a)	it has been advised that the Placement Units
    and Over-Allotment Units have not been registered under the Securities Act;

 

	 	(b)	it will be acquiring the Placement Units and
    Over-Allotment Units for its account for investment purposes only;

 

	 	(c)	it has no present intention of selling or otherwise
    disposing of the Placement Units and Over-Allotment Units in violation of the securities laws of the United States;

 

	 	(d)	it is an “accredited investor” as
    defined by Rule 501 of Regulation D promulgated under the Securities Act; 

 

	 	(e)	it has had both the opportunity to ask questions
    and receive answers from the officers and directors of the Company and all persons acting on its behalf concerning the terms
    and conditions of the offer made hereunder;

 

	 	(f)	it is familiar with the proposed business, management,
    financial condition and affairs of the Company;

 

	 	(g)	it has full power, authority and legal capacity
    to execute and deliver this letter and any documents contemplated herein or needed to consummate the transactions contemplated
    in this letter; and

 

	 	(h)	this letter constitutes its legal, valid and
    binding obligation, and is enforceable against it.

 

    3

     

    

 

This
letter agreement constitutes the entire agreement between the undersigned and the Company with respect to the purchase of the
Placement Units and Over-Allotment Units, and supersedes all prior and contemporaneous understandings, agreements, representations
and warranties, both written and oral, with respect to the same. 

 

	 	Very
    truly yours,
	 	 
	 	MOUNTAIN
    CREST CAPITAL LLC
	 	 
	 	By:	 
	 	Name:	Suying
    Liu
	 	Title:	Member

  

	Accepted and Agreed:	 
	 	 
	MOUNTAIN CREST ACQUISITION CORP.
    II	 
	 	 
	By:	 	 
	 	Name:	Suying Liu	 
	 	Title:	Chief Executive Officer	 

 

    4Exhibit 10.8

 

[●],
2021

 

Mountain
Crest Acquisition Corp. II

311 West 43rd Street, 12th Floor

New York, NY 10036

 

Ladies
and Gentlemen:

 

Mountain
Crest Acquisition Corp. II (the “Company”), a blank check company formed for the purpose of acquiring one or more
businesses or entities (a “Business Combination”), intends to register its securities under the Securities Act of
1933, as amended (“Securities Act”), in connection with its initial public offering (“IPO”), pursuant
to a registration statement on Form S-1 (“Registration Statement”).

 

The
undersigned hereby commits that it will purchase 50,000 units of the Company (“Placement Units”), each Placement Unit
consisting of one share of common stock of the Company, $0.0001 par value (the “Common Stock”) and one right to receive
one-tenth of one share of common stock upon the consummation of an initial Business Combination, at $10.00 per Placement Unit,
for a purchase price of $500,000 (the “Placement Unit Purchase Price”).

 

The
undersigned hereby agrees that it will purchase an additional amount of units of the Company (“Over-Allotment Units”),
up to a maximum of 7,500 Over-Allotment Units, or a maximum purchase price of $75,000 (“Over-Allotment Unit Purchase Price”,
together with the Placement Unit Purchase Price, the “Purchase Price”), purchased by Chardan Capital Markets, LLC
(the “Underwriter”) so that at least $10,00 per share sold to the public in the IPO is held in the trust account (as
described in the Registration Statement, the “Trust Account”) regardless of whether the over-allotment option is exercised
in full or in part.

 

The
consummation of the purchase and issuance of the Placement Units shall occur simultaneously with the consummation of the IPO and
the consummation of the purchase and issuance of the Over-Allotment Units shall occur simultaneously with the closing of any exercise
of the over-allotment option related to the IPO. Simultaneously with or prior to the consummation of the IPO, the undersigned
shall deposit the Placement Unit Purchase Price into the Trust Account.

 

The
Placement Units and Over-Allotment Units will be identical to the units to be sold by the Company in the IPO. Additionally, the
undersigned agrees:

 

	 	●	to vote the shares of
    Common Stock included in the Placement Units and Over-Allotment Units in favor of any proposed Business Combination;

 

	 	●	not to propose, or vote in favor of, an amendment
    to the Company’s Amended and Restated Certificate of Incorporation (the “Certificate of Incorporation”)
    that would affect the substance or timing of the Company’s obligation to redeem 100% of the Company’s shares of
    Common Stock sold in the IPO if the Company does not complete an initial Business Combination within 9 months from the closing
    of the IPO (or up to 15 months, as applicable), unless the Company provides the holders of shares of Common Stock underlying
    the units sold in the IPO with the opportunity to redeem their shares of Common Stock upon approval of any such amendment
    at a per-share price, payable in cash, equal to the aggregate amount of the Trust Account, including interest earned on Trust
    Account and not previously released to the Company to pay the Company’s franchise and income taxes, divided by the number
    of then outstanding shares of Common Stock underlying the units sold in the IPO;

 

     

     

    

 

	 	●	not to convert any shares of Common Stock included
    in the Placement Units and Over-Allotment Units into the right to receive cash from the Trust Account in connection with a
    shareholder vote to approve either a Business Combination or an amendment to the provisions of the Certificate of Incorporation,
    and not to tender any shares of Common Stock included in the Placement Units and Over-Allotment Units in connection with a
    tender offer conducted prior to the closing of a Business Combination;

 

	 	●	that the undersigned will not participate in
    any liquidation distribution with respect to the Placement Units and Over-Allotment Units or any underlying securities (but
    will participate in liquidation distributions with respect to any units or shares of Common Stock purchased by the undersigned
    in the IPO or in the open market) if the Company fails to consummate a Business Combination;

 

	 	●	that the Placement Units, Over-Allotment Units
    and underlying securities will not be transferable until after the consummation of a Business Combination except (i) to the
    Company’s pre-IPO shareholders, or to the Company’s officers, directors, advisors and employees, (ii) transfers
    to the undersigned’s affiliates or its members upon its liquidation, (iii) to relatives and trusts for estate planning
    purposes, (iv) by virtue of the laws of descent and distribution upon death, (v) pursuant to a qualified domestic relations
    order, (vi) by private sales made in connection with the consummation of a Business Combination at prices no greater than
    the price at which the Placement Units were originally purchased or (vii) to the Company for cancellation in connection with
    the consummation of a Business Combination, in each case (except for clause vii) where the transferee agrees to the terms
    of the transfer restrictions; and

 

	 	●	the Placement Units and Over-Allotment Units
    will include any additional terms or restrictions as is customary in other similarly structured blank check company offerings
    or as may be reasonably required by the underwriters in the IPO in order to consummate the IPO, each of which will be set
    forth in the Registration Statement.

 

    2

     

    

 

The
undersigned acknowledges and agrees that the purchaser of the Placement Units and Over-Allotment Units will execute agreements
in form and substance typical for transactions of this nature necessary to effectuate the foregoing agreements and obligations
prior to the consummation of the IPO as are reasonably acceptable to the undersigned, including but not limited to an insider
letter.

 

The
undersigned further acknowledges and agrees that the Placement Units and their component parts and the related registration rights
will be deemed compensation by the Financial Industry Regulatory Authority (“FINRA”) and will therefore, pursuant
to Rule 5110(g) of the FINRA Manual, be subject to lock-up for a period of 180 days immediately following the date of effectiveness
or commencement of sales in the IPO, subject to FINRA Rule 5110(g)(1). Additionally, the Placement Units and their component parts
and the related registration rights may not be sold, transferred, assigned, pledged or hypothecated during the foregoing 180 day
period following the effective date of the Registration Statement except to any underwriter or selected dealer participating in
the IPO and the bona fide officers or partners of the undersigned and any such participating underwriter or selected dealer. Additionally,
the Placement Units and their component parts and the related registration rights will not be the subject of any hedging, short
sale, derivative, put or call transaction that would result in the economic disposition of such securities by any person for a
period of 180 days immediately following the date of effectiveness or commencement of sales in the IPO. Additionally, the undersigned
may not exercise demand or piggyback rights with respect to the Placement Units and their components parts after five (5) and
seven (7) years, respectively, from the effective date of the Registration Statement and may not exercise demand rights on more
than one occasion.

 

The
undersigned hereby represents and warrants that:

 

	 	(a)	it has been advised that the Placement Units
    and Over-Allotment Units have not been registered under the Securities Act; 

 

	 	(b)	it will be acquiring the Placement Units and
    Over-Allotment Units for its account for investment purposes only; 

 

	 	(c)	it has no present intention of selling or otherwise
    disposing of the Placement Units and Over-Allotment Units in violation of the securities laws of the United States; 

 

	 	(d)	it is an “accredited investor” as
    defined by Rule 501 of Regulation D promulgated under the Securities Act; 

 

	 	(e)	it has had both the opportunity to ask questions
    and receive answers from the officers and directors of the Company and all persons acting on its behalf concerning the terms
    and conditions of the offer made hereunder;

 

	 	(f)	it is familiar with the proposed business, management,
    financial condition and affairs of the Company;

 

	 	(g)	it has full power, authority and legal capacity
    to execute and deliver this letter and any documents contemplated herein or needed to consummate the transactions contemplated
    in this letter; and

 

	 	(h)	this letter constitutes its legal, valid and
    binding obligation, and is enforceable against it.

 

    3

     

    

 

This
letter agreement constitutes the entire agreement between the undersigned and the Company with respect to the purchase of the
Placement Units and Over-Allotment Units, and supersedes all prior and contemporaneous understandings, agreements, representations
and warranties, both written and oral, with respect to the same. 

 

	 	Very
    truly yours,
	 	 
	 	CHARDAN
    CAPITAL MARKETS, LLC
	 	 
	 	By:	 
	 	Name: 	Shai
    Gerson
	 	Title:	Managing
Director

  

	Accepted and Agreed:	 
	 	 
	MOUNTAIN CREST ACQUISITION CORP.
    II	 
	 	 
	By:	 	 
	 	Name:	Suying Liu	 
	 	Title:	Chief Executive Officer	 

 

    4

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