Document:

Exhibit 10.4

 

PRIVATE PLACEMENT UNIT PURCHASE AGREEMENT

 

This PRIVATE PLACEMENT
UNIT PURCHASE AGREEMENT (this “Agreement”) is made as of the 11th day of January, 2021, by and between 890 5th
Avenue Partners, Inc., a Delaware corporation (the “Company”), and 200 Park Avenue Partners, LLC, a Delaware
limited liability company (the “Subscriber”).

 

WHEREAS, the Company
desires to sell to the Subscriber on a private placement basis (the “Sale”) an aggregate of 594,076 private
placement units (and up to 657,500 units in the aggregate if the underwriters in the IPO exercise their over-allotment option in
full) (“Private Placement Units”) of the Company for a purchase price of $10.00 per Private Placement Unit,
each Private Placement Unit comprised of one share of Class A common stock of the Company, par value $0.0001 per share (“Common
Stock”), and one-third of one redeemable warrant, each whole warrant exercisable to purchase one share of Common Stock
(each whole warrant, a “Warrant”). The shares of Common Stock underlying the Private Warrants (as defined below)
are hereinafter referred to as the “Warrant Shares.” The shares of Common Stock underlying the Private Placement
Units (excluding the Warrant Shares) are hereinafter referred to as the “Private Shares.” The Warrants underlying
the Private Placement Units are hereinafter referred to as the “Private Warrants.” The Private Placement Units,
the Private Shares, the Private Warrants and the Warrant Shares, collectively, are hereinafter referred to as the “Securities.”
Each whole Private Warrant is exercisable to purchase one share of Common Stock at an exercise price of $11.50, subject to the
adjustments as set forth in the Warrant Agreement (as defined below), during the period commencing on the later of (i) twelve
(12) months from the date of the closing of the Company’s initial public offering of units (the “IPO”)
and (ii) 30 days following the consummation of the Company’s initial business combination (the “Business Combination”),
as such term is defined in the registration statement in connection with the IPO, as amended at the time it becomes effective (the
 “Registration Statement”), filed with the Securities and Exchange Commission (“SEC”), and
expiring on the fifth anniversary of the consummation of the Business Combination (provided that so long as the Private Warrants
are held by the Subscriber, its designees or affiliates, the Subscriber, its designees or affiliates will not be permitted to exercise
such Private Warrants after the five year anniversary of the effective date of the Registration Statement); and

 

WHEREAS, the Subscriber
wishes to purchase an aggregate of 594,076 (and up to 657,500 units in the aggregate if the underwriters in the IPO exercise their
over-allotment option in full) Private Placement Units for the Purchase Price (as defined below), and the Company wishes to accept
such subscription from the Subscriber.

 

NOW, THEREFORE, in
consideration of the premises and the mutual covenants hereinafter set forth and other good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, the Company and the Subscriber hereby agree as follows:

 

	 	1.	Agreement to Subscribe.

 

1.1             
Purchase and Issuance of the Private Placement Units.

 

(a)              
Upon the terms and subject to the conditions of this Agreement, the Subscriber hereby agrees to purchase from the Company, and
the Company hereby agrees to sell to the Subscriber, on the Initial Closing Date (as defined below) 594,076 Private Placement Units
in consideration of the payment of the Purchase Price. On the Initial Closing Date, the Company shall, at its option, deliver to
the Subscriber the certificates representing the Securities purchased or effect such delivery in book-entry form.

 

(a)              On
the date of the consummation of the closing of the over-allotment option, if any, in connection with the IPO or on such
earlier time and date as may be mutually agreed by the Subscriber and the Company (an “Over-allotment Closing
Date,” and each Over-allotment Closing Date (if any) and the Initial Closing Date, a “Closing
Date”), the Company shall issue and sell to the Subscriber, and the Subscriber shall purchase from the Company, up
to 63,424 additional Private Placement Units (or, to the extent the over-allotment option is not exercised in full, a lesser
number of Private Placement Units in proportion to the amount of the over-allotment option that is then exercised) at a price
of $10.00 per Private Placement Unit for an aggregate purchase price of up to $634,240 (if the over-allotment option is
exercised in full) (such amount, the “Over-allotment Purchase Price”). The Subscriber shall pay the
Over-allotment Purchase Price by wire transfer of immediately available funds or by such other method as may be reasonably
acceptable to the Company, to the trust account (the “Trust Account”) at a financial institution to be
chosen by the Company, maintained by Continental Stock Transfer & Trust Company, acting as trustee
(“Continental”), on or prior to the Over-allotment Closing Date. On the Over-allotment Closing Date, upon
the payment by the Subscriber of the Over-allotment Purchase Price, the Company shall, at its option, deliver a certificate
evidencing the Private Placement Units purchased by the Subscriber on such date duly registered in the Subscriber’s
name to the Subscriber, or effect such delivery in book-entry form.

 

    

     

    

 

1.2             
Purchase Price. As payment in full for the Private Placement Units being purchased under this Agreement at the Initial Closing
(as defined below), the Subscriber shall pay $5,940,760 (the “Purchase Price”) by wire transfer of immediately
available funds or by such other method as may be reasonably acceptable to the Company, to the Trust Account at a financial institution
to be chosen by the Company, maintained by Continental, on or prior to the Initial Closing Date.

 

1.3             
Closing. The closing of the purchase and sale of the Private Placement Units (the “Initial Closing Date” and
the Initial Closing and each other closing, a “Closing”) shall take place on the date of the closing of the
IPO. Each Closing shall take place at the offices of the Company, or remotely via electronic exchange or at such other place or
method as may be agreed upon by the parties hereto.

 

1.4             
Conditions to Closing.

 

		(a)	Conditions of the Subscriber’s Obligations. The obligation of the Subscriber
to purchase and pay for the Private Placement Units is subject to the fulfillment, on or before each Closing Date, of each of the
following conditions.

 

		a.	The representations and warranties of the Company contained in Section 3 shall be true and
correct at and as of such Closing Date as though then made.

 

		b.	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 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.	The Company shall have entered into the Warrant Agreement and the Registration Rights Agreement
(as defined below), in each case on terms satisfactory to the Subscriber.

 

		(b)	Conditions of the Company’s Obligations. The obligations of the Company to the Subscriber
under this Agreement are subject to the fulfillment, on or before each Closing Date, of each of the following conditions.

 

		a.	The representations and warranties of the Subscriber contained in Section 2 shall be true
and correct at and as of such Closing Date as though then made.

 

		b.	The Subscriber 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 Subscriber on or before such Closing Date.

 

		c.	The Company shall have obtained the consent of its Board of Directors authorizing the execution,
delivery and performance of this Agreement, the Registration Rights Agreement and the Warrant Agreement
and the issuance and sale of the Private Placement Units hereunder.

 

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		d.	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.

 

1.5             
Termination. This Agreement and each of the obligations of the undersigned shall be null and void and without effect if the Closing
does not occur on prior to June 30, 2021 or if that certain Underwriting Agreement, dated as of the date hereof, by and among
the Company, Cowen and Company, LLC and Craig-Hallum Capital Group LLC regarding the IPO (the “Underwriting Agreement”),
is terminated for any reason.

 

	 	2.	Representations and Warranties of the Subscriber.

 

Subscriber represents
and warrants to the Company that:

 

2.1             
No Government Recommendation or Approval. Subscriber understands that no federal or state agency has passed upon or made any recommendation
or endorsement of the Company or the Sale of the Securities.

 

2.2             
Accredited Investor. Subscriber represents that it is an “accredited investor” as such term is defined in Rule 501(a) of
Regulation D under the Securities Act of 1933, as amended (the “Securities Act”), and acknowledges that the
Sale is being made in reliance, among other things, on a private placement exemption to “accredited investors” under
the Securities Act and similar exemptions under state law.

 

2.3             
Intent. Subscriber is purchasing the Securities solely for investment purposes, for Subscriber’s own account (and/or for
the account or benefit of its members or affiliates, as permitted, pursuant to the terms of an agreement (the “Insider
Letter”) to be entered into with respect to the Securities between, among others, Subscriber and the Company, as described
in the Registration Statement), and not with a view to the distribution thereof and Subscriber has no present arrangement to sell
the Securities to or through any person or entity except as may be permitted hereunder. The Subscriber shall not engage in hedging
transactions with regard to the Securities unless in compliance with the Securities Act.

 

2.4             
Restrictions on Transfer. Subscriber acknowledges and understands the Private Placement Units are being offered in a transaction
not involving a public offering in the United States within the meaning of the Securities Act. The Securities have not been registered
under the Securities Act and, if in the future Subscriber decides to offer, resell, pledge or otherwise transfer the Securities,
such Securities may be offered, resold, pledged or otherwise transferred only pursuant to (i) an effective registration statement
filed under the Securities Act, (ii) an exemption from registration under Rule 144 promulgated under the Securities Act,
if available, or (iii) any other available exemption from the registration requirements of the Securities Act, and in each
case in accordance with any applicable securities laws of any state or any other jurisdiction. Notwithstanding the foregoing, Subscriber
acknowledges and understands the Securities are subject to transfer restrictions as described herein and in the Insider Letter.
Subscriber agrees that if any transfer of its Securities or any interest therein is proposed to be made, as a condition precedent
to any such transfer, Subscriber may be required to deliver to the Company an opinion of counsel satisfactory to the Company with
respect to such transfer. Absent registration or another available exemption from registration, Subscriber agrees it will not resell
the Securities (unless otherwise permitted pursuant to the terms hereof). Subscriber further acknowledges that because the Company
is a shell company, Rule 144 may not be available to Subscriber for the resale of the Securities until the one year anniversary
following consummation of the Business Combination of the Company, despite technical compliance with the requirements of Rule 144
and the release or waiver of any contractual transfer restrictions.

 

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2.5             
Sophisticated Investor.

 

(a)              
Subscriber is sophisticated in financial matters and is able to evaluate the risks and benefits of the investment in the Securities.

 

(b)              
Subscriber is aware that an investment in the Securities is highly speculative and subject to substantial risks because, among
other things, the Securities are subject to transfer restrictions and have not been registered under the Securities Act and therefore
cannot be sold unless subsequently registered under the Securities Act or an exemption from such registration is available. Subscriber
is able to bear the economic risk of its investment in the Securities for an indefinite period of time.

 

2.6             
Organization and Authority. Subscriber is duly organized, validly existing and in good standing under the laws of its state of
incorporation or formation and it possesses all requisite power and authority necessary to carry out the transactions contemplated
by this Agreement.

 

2.7             
Authority. This Agreement has been validly authorized, executed and delivered by Subscriber and is a valid and binding agreement
enforceable in accordance with its terms, subject to the general principles of equity and to bankruptcy or other laws affecting
the enforcement of creditors’ rights generally.

 

2.8             
No Conflicts. The execution, delivery and performance of this Agreement and the consummation by Subscriber of the transactions
contemplated hereby do not violate, conflict with or constitute a default under (i) Subscriber’s charter documents,
(ii) any agreement or instrument to which Subscriber is a party or (iii) any law, statute, rule or regulation to
which Subscriber is subject, or any agreement, order, judgment or decree to which Subscriber is subject.

 

2.9             
No Legal Advice from Company. Subscriber acknowledges it has had the opportunity to review this Agreement and the transactions
contemplated by this Agreement and the other agreements entered into between the parties hereto with Subscriber’s own legal
counsel and investment and tax advisors. Except for any statements or representations of the Company made in this Agreement and
the other agreements entered into between the parties hereto, Subscriber is relying solely on such counsel and advisors and not
on any statements or representations of the Company or any of its representatives or agents for legal, tax or investment advice
with respect to this investment, the transactions contemplated by this Agreement or the securities laws of any jurisdiction.

 

2.10         
Reliance on Representations and Warranties. The Subscriber understands the Private Placement Units are being offered and sold to
the Subscriber in reliance on exemptions from the registration requirements under the Securities Act, and analogous provisions
in the laws and regulations of various states, and that the Company is relying upon the truth and accuracy of the representations,
warranties, agreements, acknowledgments and understandings of the Subscriber set forth in this Agreement in order to determine
the applicability of such provisions.

 

2.11         
No General Solicitation. Subscriber is not subscribing for the Private Placement Units as a result of or subsequent to any general
solicitation or general advertising, including but not limited to any advertisement, article, notice or other communication published
in any newspaper, magazine, or similar media or broadcast over television or radio, or presented at any seminar or meeting or in
the Registration Statement.

 

2.12         
Legend. Subscriber acknowledges and agrees that each of the Private Placement Units and the shares of Common Stock included in
the Private Placement Units shall bear a restrictive legend substantially in the form set forth in Section 4.1 below, the
Private Warrants shall bear the legend substantially in the form set forth in the Warrant Agreement, and that the Securities will
be subject to appropriate “stop transfer restrictions.”

 

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	 	3.	Representations, Warranties and Covenants of the Company.

 

The Company represents
and warrants to, and agrees with, Subscriber that:

 

3.1             
Valid Issuance of Capital Stock. The total number of shares of all classes of capital stock which the Company has authority to
issue is 500,000,000 shares of Class A Common Stock, 25,000,000 shares of Class F Common Stock, $0.0001 par value per
share (the “Class F Common Stock”), and 5,000,000 shares of preferred stock, $0.0001 par value per share
(“Preferred Stock”). As of the date hereof, the Company has issued and outstanding 7,187,500
shares of Class F Common Stock (of which up to 937,500 shares are subject to forfeiture as described in the Registration Statement),
no shares of Class A Common Stock and no shares of Preferred Stock. All of the issued shares of capital stock of the Company
have been duly authorized, validly issued, and are fully paid and non-assessable.

 

3.2             
Title to Securities. Upon issuance in accordance with, and payment pursuant to, the terms hereof and that certain warrant agreement
(the “Warrant Agreement”) to be entered into between the Company and Continental, as warrant agent, as the case
may be, each of the Private Placement Units, Private Shares, Private Warrants and Warrant Shares will be duly and validly issued,
fully paid and non-assessable. On the date of issuance of the Private Placement Units and Warrant Shares shall have been reserved
for issuance. Upon issuance in accordance with, and payment pursuant to, the terms hereof and the Warrant Agreement, as the case
may be, Subscriber will have or receive good title to the Private Placement Units, Private Shares and Private Warrants, free and
clear of all liens, claims and encumbrances of any kind, other than (i) transfer restrictions hereunder and (ii) transfer
restrictions under federal and state securities laws.

 

3.3             
Organization and Qualification. The Company is a corporation duly incorporated, validly existing and in good standing under the
laws of the State of Delaware and has the requisite corporate power to own its properties and assets and to carry on its business
as now being conducted.

 

3.4             
Authorization; Enforcement. (i) The Company has the requisite corporate power and authority to enter into and perform its
obligations under this Agreement and to issue the Securities in accordance with the terms hereof, (ii) the execution, delivery
and performance of this Agreement by the Company and the consummation by it of the transactions contemplated hereby have been duly
authorized by all necessary corporate action, and no further consent or authorization of the Company or its Board of Directors
or stockholders is required, and (iii) this Agreement constitutes valid and binding obligations of the Company enforceable
against the Company in accordance with its terms, except as such enforceability may be limited by applicable bankruptcy, insolvency,
fraudulent conveyance, moratorium, reorganization, or similar laws relating to, or affecting generally the enforcement of, creditors’
rights and remedies or by equitable principles of general application and except as enforcement of rights to indemnity and contribution
may be limited by federal and state securities laws or principles of public policy.

 

3.5             
No Conflicts. The execution, delivery and performance of this Agreement and the consummation by the Company of the transactions
contemplated hereby do not (i) result in a violation of the Company’s certificate of incorporation or by-laws, (ii) conflict
with, or constitute a default under any agreement or instrument to which the Company is a party or (iii) any law statute,
rule or regulation to which the Company is subject or any agreement, order, judgment or decree to which the Company is subject.
Other than any SEC or state securities filings which may be required to be made by the Company subsequent to the Closing Date,
and any registration statement which may be filed pursuant thereto, the Company is not required under federal, state or local law,
rule or regulation to obtain any consent, authorization or order of, or make any filing or registration with, any court or
governmental agency or self-regulatory entity in order for it to perform any of its obligations under this Agreement or issue the
Private Placement Units, Private Shares, Private Warrants or Warrant Shares in accordance with the terms hereof.

 

3.6             
Additional Representations and Warranties. The representations and warranties of the Company set forth in the Underwriting Agreement
are hereby incorporated herein and are true and correct with the same force and effect as though expressly made herein as of the
date hereof.

 

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3.7            Regulation
D Qualification. Neither the Company nor, to its knowledge, any of its affiliates, members, officers, directors or beneficial shareholders
of 20% or more of its outstanding securities, has experienced a disqualifying event as enumerated pursuant to Rule 506(d) of
Regulation D under the Securities Act.

 

	 	4.	Legends.

 

4.1             
Legend. The Company will issue the Private Placement Units and Private Shares and, when issued, the Warrant Shares, purchased by
the Subscriber in the name of the Subscriber, and such securities will bear the following legend:

 

“THE
SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”),
OR ANY STATE SECURITIES LAWS AND NEITHER THE SECURITIES NOR ANY INTEREST THEREIN MAY BE OFFERED, SOLD, TRANSFERRED, PLEDGED
OR OTHERWISE DISPOSED OF EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR SUCH LAWS OR AN EXEMPTION
FROM REGISTRATION UNDER THE SECURITIES ACT AND SUCH LAWS WHICH, IN THE OPINION OF COUNSEL FOR THIS COMPANY, IS AVAILABLE.”

 

“THE
SECURITIES REPRESENTED hereby ARE SUBJECT TO LOCKUP PURSUANT TO A letter agreement by and among 890 5th Avenue Partners, Inc.,
PA 2 Co-Investment LLC, Craig-Hallum Capital Group LLC AND THE OTHER PARTIES THERETO, AND
MAY ONLY BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED DURING THE TERM OF THE LOCKUP PURSUANT TO THE TERMS
SET FORTH IN such letter AGREEMENT.”

 

“SECURITIES
EVIDENCED HEREBY SHALL BE ENTITLED TO REGISTRATION RIGHTS UNDER A REGISTRATION RIGHTS AGREEMENT WITH THE COMPANY.”

 

4.2             
Subscriber’s Compliance. Nothing in this Section 4 shall affect in any way the Subscriber’s obligations and agreements
to comply with all applicable securities laws upon resale of the Securities.

 

4.3             
Company’s Refusal to Register Transfer of the Securities. The Company shall refuse to register any transfer of the Securities,
if in the sole judgment of the Company such purported transfer would not be made (i) pursuant to an effective registration
statement filed under the Securities Act, or pursuant to an available exemption from the registration requirements of the Securities
Act and (ii) in compliance herewith.

 

4.4             
Registration Rights. The Subscriber will be entitled to certain registration rights which will be governed by a registration rights
agreement (“Registration Rights Agreement”) to be entered into among the Subscriber, the Company and others,
on or prior to the effective date of the Registration Statement.

 

	 	5.	Waiver of Liquidation Distributions.

 

In connection with
the Securities purchased pursuant to this Agreement, Subscriber hereby waives any and all right, title, interest or claim of any
kind in or to any distributions of the amounts in the Trust Account with respect to the Securities, whether (i) in connection
with the exercise of redemption rights if the Company consummates the Business Combination, (ii) in connection with any tender
offer conducted by the Company prior to a Business Combination, (iii) upon the Company’s redemption of shares of Common
Stock sold in the Company’s IPO upon the Company’s failure to timely complete the Business Combination or (iv) in
connection with a stockholder vote to approve an amendment to the Company’s amended and restated certificate of incorporation,
(A) to modify the substance or timing of the Company’s obligation to redeem 100% of the shares of Common Stock sold
in the IPO if the Company does complete the Business Combination within 24 months of the closing of the IPO or (B) with respect
to any other provision relating to stockholders’ rights or pre-Business Combination activity. In the event Subscriber purchases
shares of Common Stock in the IPO or in the aftermarket, any additional shares so purchased shall be eligible to receive the redemption
value of such shares of Common Stock upon the same terms offered to all other purchasers of Common Stock in the IPO in the event
the Company fails to consummate the Business Combination within the time period set forth in the Company’s certificate of
incorporation, as amended from time to time.

 

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	 	6.	Terms of Private Warrants. Each Private Warrant shall have the terms set forth in the Warrant Agreement.

 

	 	7.	Terms of the Private Placement Units and Private Warrants.

 

7.1             
The Private Placement Units and their component parts are substantially identical to the units to be offered in the IPO except
that: (i) the Private Placement Units and component parts will not, except in limited circumstances, be transferable or salable
until 30 days after the completion of the Company’s Business Combination, (ii) the Private Warrants will be non-redeemable
and may be exercisable on a “cashless” basis if held by Subscriber or its permitted transferees, as further described
in the Warrant Agreement, (iii) the Private Warrants may not be exercised after the five year anniversary of the effective
date of the Registration Statement and (iv) the Private Placement Units and component parts are being purchased pursuant to
an exemption from the registration requirements of the Securities Act and will become freely tradable only after the expiration
of the lockup described above in clause (i) and they are registered pursuant to the Registration Rights Agreement or an exemption
from registration under the Securities Act is available.

 

7.2             
Subscriber agrees to vote the Private Shares in accordance with the terms of the Insider Letter and as otherwise described in the
Registration Statement.

 

	 	8.	Governing Law; Jurisdiction; Waiver of Jury Trial.

 

This Agreement shall
be governed by and construed in accordance with the laws of the State of Delaware for agreements made and to be wholly performed
within such state. The parties hereto hereby waive any right to a jury trial in connection with any litigation pursuant to this
Agreement and the transactions contemplated hereby.

 

	 	9.	Assignment; Entire Agreement; Amendment.

 

9.1         
Assignment. Neither this Agreement nor any rights hereunder may be assigned by any party to any other person other than by Subscriber
to a person agreeing to be bound by the terms hereof.

 

9.2         
Entire Agreement. This Agreement sets forth the entire agreement and understanding between the parties as to the subject matter
thereof and merges and supersedes all prior discussions, agreements and understandings of any and every nature among them.

 

9.3         
Amendment. Except as expressly provided in this Agreement, neither this Agreement nor any term hereof may be amended, waived, discharged
or terminated other than by a written instrument signed by all of the parties hereto.

 

9.4         
Binding upon Successors. This Agreement shall be binding upon and inure to the benefit of the parties hereto and to their respective
heirs, legal representatives, successors and permitted assigns.

 

	 	10.	Notices.

 

Unless otherwise
provided herein, any notice or other communication to a party hereunder shall be sufficiently given if in writing and
personally delivered or sent by facsimile or other electronic transmission with copy sent in another manner herein provided
or sent by courier (which for all purposes of this Agreement shall include Federal Express or other recognized overnight
courier) or mailed to said party by certified mail, return receipt requested, at its address provided for herein or such
other address as either may designate for itself in such notice to the other. Communications shall be deemed to have been
received when delivered personally, on the scheduled arrival date when sent by next day or 2nd-day courier service, or if
sent by facsimile upon receipt of confirmation of transmittal or, if sent by mail, then three days after deposit in the mail.
If given by electronic transmission, such notice shall be deemed to be delivered (i) if by electronic mail, when
directed to an electronic mail address at which the stockholder has consented to receive notice; (ii) if by a posting on
an electronic network together with separate notice to the stockholder of such specific posting, upon the later of
(1) such posting and (2) the giving of such separate notice; and (iii) if by any other form of electronic
transmission, when directed to the stockholder.

 

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	 	11.	Counterparts; Electronic Signatures.

 

This Agreement may
be executed in counterparts, each of which when so executed shall be deemed to be an original and all of which when taken together
shall constitute one and the same instrument. The words “execution,” “signed,” “signature,”
and words of like import in this Agreement or in any other certificate, agreement or document related to this Agreement shall include
images of manually executed signatures transmitted by facsimile or other electronic format (including, without limitation, “pdf,”
 “tif” or “jpg”) and other electronic signatures (including, without limitation, DocuSign and AdobeSign). The
use of electronic signatures and electronic records (including, without limitation, any contract or other record created, generated,
sent, communicated, received, or stored by electronic means) shall be of the same legal effect, validity and enforceability as
a manually executed signature or use of a paper-based record-keeping system to the fullest extent permitted by applicable law.

 

	 	12.	Survival; Severability.

 

12.1         
Survival. The representations, warranties, covenants and agreements of the parties hereto shall survive each Closing Date.

 

12.2         
Severability. In the event that any provision of this Agreement becomes or is declared by a court of competent jurisdiction to
be illegal, unenforceable or void, this Agreement shall continue in full force and effect without said provision; provided that
no such severability shall be effective if it materially changes the economic benefit of this Agreement to any party.

 

	 	13.	Headings.

 

The titles and subtitles
used in this Agreement are used for convenience only and are not to be considered in construing or interpreting this Agreement.

 

[The remainder of this page has
been intentionally left blank.]

 

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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:
	 	 
	 	 
	 	890 5th Avenue Partners, Inc.
	 	 
	 	 
	 	By:	 /s/ Adam Rothstein
	 	 	Name: Adam Rothstein
	 	 	Title: Executive Chairman
	 	 	 
	 	 	 
	 	SUBSCRIBER:
	 	 
	 	 
	 	200 Park Avenue Partners, LLC
	 	 
	 	 
	 	By:	 /s/ Adam Rothstein
	 	 	Name: Adam Rothstein
	 	 	Title: Manager

 

[Signature Page to Private Placement
Unit Purchase Agreement]Exhibit 10.5 

 

PRIVATE PLACEMENT UNIT PURCHASE AGREEMENT

 

This PRIVATE PLACEMENT
UNIT PURCHASE AGREEMENT (this “Agreement”) is made as of the 11th day of January, 2021, by and between 890 5th
Avenue Partners, Inc., a Delaware corporation (the “Company”), and PA 2 Co-Investment LLC, a Delaware limited
liability company (the “Subscriber”).

 

WHEREAS, the Company
desires to sell to the Subscriber on a private placement basis (the “Sale”) an aggregate of 75,897 private placement
units (and up to 84,000 units in the aggregate if the underwriters in the IPO exercise their over-allotment option in full) (“Private
Placement Units”) of the Company for a purchase price of $10.00 per Private Placement Unit, each Private Placement Unit
comprised of one share of Class A common stock of the Company, par value $0.0001 per share (“Common Stock”),
and one-third of one redeemable warrant, each whole warrant exercisable to purchase one share of Common Stock (each whole warrant,
a “Warrant”). The shares of Common Stock underlying the Private Warrants (as defined below) are hereinafter
referred to as the “Warrant Shares.” The shares of Common Stock underlying the Private Placement Units (excluding
the Warrant Shares) are hereinafter referred to as the “Private Shares.” The Warrants underlying the Private
Placement Units are hereinafter referred to as the “Private Warrants.” The Private Placement Units, the Private
Shares, the Private Warrants and the Warrant Shares, collectively, are hereinafter referred to as the “Securities.”
Each whole Private Warrant is exercisable to purchase one share of Common Stock at an exercise price of $11.50, subject to the
adjustments as set forth in the Warrant Agreement (as defined below), during the period commencing on the later of (i) twelve (12)
months from the date of the closing of the Company’s initial public offering of units (the “IPO”) and
(ii) 30 days following the consummation of the Company’s initial business combination (the “Business Combination”),
as such term is defined in the registration statement in connection with the IPO, as amended at the time it becomes effective (the
 “Registration Statement”), filed with the Securities and Exchange Commission (“SEC”), and
expiring on the fifth anniversary of the consummation of the Business Combination (provided that so long as the Private Warrants
are held by the Subscriber, its designees or affiliates, the Subscriber, its designees or affiliates will not be permitted to exercise
such Private Warrants after the five year anniversary of the effective date of the Registration Statement); and

 

WHEREAS, the Subscriber
wishes to purchase an aggregate of 75,897 (and up to 84,000 units in the aggregate if the underwriters in the IPO exercise their
over-allotment option in full) Private Placement Units for the Purchase Price (as defined below), and the Company wishes to accept
such subscription from the Subscriber.

 

NOW, THEREFORE, in
consideration of the premises and the mutual covenants hereinafter set forth and other good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, the Company and the Subscriber hereby agree as follows:

 

	 	1.	Agreement to Subscribe.

 

1.1             
Purchase and Issuance of the Private Placement Units.

 

(a)              
Upon the terms and subject to the conditions of this Agreement, the Subscriber hereby agrees to purchase from the Company, and
the Company hereby agrees to sell to the Subscriber, on the Initial Closing Date (as defined below) 75,897 Private Placement Units
in consideration of the payment of the Purchase Price. On the Initial Closing Date, the Company shall, at its option, deliver to
the Subscriber the certificates representing the Securities purchased or effect such delivery in book-entry form.

 

(a)               On
the date of the consummation of the closing of the over-allotment option, if any, in connection with the IPO or on such
earlier time and date as may be mutually agreed by the Subscriber and the Company (an “Over-allotment Closing
Date,” and each Over-allotment Closing Date (if any) and the Initial Closing Date, a “Closing
Date”), the Company shall issue and sell to the Subscriber, and the Subscriber shall purchase from the Company, up
to 8,103 additional Private Placement Units (or, to the extent the over-allotment option is not exercised in full, a lesser
number of Private Placement Units in proportion to the amount of the over-allotment option that is then exercised) at a price
of $10.00 per Private Placement Unit for an aggregate purchase price of up to $81,030 (if the over-allotment option is
exercised in full) (such amount, the “Over-allotment Purchase Price”). The Subscriber shall pay the
Over-allotment Purchase Price by wire transfer of immediately available funds or by such other method as may be reasonably
acceptable to the Company, to the trust account (the “Trust Account”) at a financial institution to be
chosen by the Company, maintained by Continental Stock Transfer & Trust Company, acting as trustee
(“Continental”), on or prior to the Over-allotment Closing Date. On the Over-allotment Closing Date, upon
the payment by the Subscriber of the Over-allotment Purchase Price, the Company shall, at its option, deliver a certificate
evidencing the Private Placement Units purchased by the Subscriber on such date duly registered in the Subscriber’s
name to the Subscriber, or effect such delivery in book-entry form.

 

     

     

    

 

1.2             
Purchase Price. As payment in full for the Private Placement Units being purchased under this Agreement at the Initial Closing
(as defined below), the Subscriber shall pay $758,970 (the “Purchase Price”) by wire transfer of immediately
available funds or by such other method as may be reasonably acceptable to the Company, to the Trust Account at a financial institution
to be chosen by the Company, maintained by Continental, on or prior to the Initial Closing Date.

 

1.3             
Closing. The closing of the purchase and sale of the Private Placement Units (the “Initial Closing Date” and
the Initial Closing and each other closing, a “Closing”) shall take place on the date of the closing of the
IPO. Each Closing shall take place at the offices of the Company, or remotely via electronic exchange or at such other place or
method as may be agreed upon by the parties hereto.

 

1.4             
Conditions to Closing.

 

		(a)	Conditions of the Subscriber’s Obligations. The obligation of the Subscriber
to purchase and pay for the Private Placement Units is subject to the fulfillment, on or before each Closing Date, of each of the
following conditions.

 

		a.	The representations and warranties of the Company contained in Section 3 shall be true and
correct at and as of such Closing Date as though then made.

 

		b.	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 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.	The Company shall have entered into the Warrant Agreement and the Registration Rights Agreement
(as defined below), in each case on terms satisfactory to the Subscriber.

 

		(b)	Conditions of the Company’s Obligations. The obligations of the Company to the Subscriber
under this Agreement are subject to the fulfillment, on or before each Closing Date, of each of the following conditions.

 

		a.	The representations and warranties of the Subscriber contained in Section 2 shall be true
and correct at and as of such Closing Date as though then made.

 

		b.	The Subscriber 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 Subscriber on or before such Closing Date.

 

    2 

     

    

 

		c.	The Company shall have obtained the consent of its Board of Directors authorizing the execution,
delivery and performance of this Agreement, the Registration Rights Agreement and the Warrant Agreement
and the issuance and sale of the Private Placement Units hereunder.

 

		d.	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.

 

 

1.5             
Termination. This Agreement and each of the obligations of the undersigned shall be null and void and without effect if the Closing
does not occur on prior to June 30, 2021 or if that certain Underwriting Agreement, dated as of the date hereof, by and among the
Company, Cowen and Company, LLC and Craig-Hallum Capital Group LLC regarding the IPO (the “Underwriting Agreement”),
is terminated for any reason.

 

	 	2.	Representations and Warranties of the Subscriber.

 

Subscriber represents
and warrants to the Company that:

 

2.1             
No Government Recommendation or Approval. Subscriber understands that no federal or state agency has passed upon or made any recommendation
or endorsement of the Company or the Sale of the Securities.

 

2.2             
Accredited Investor. Subscriber represents that it is an “accredited investor” as such term is defined in Rule 501(a)
of Regulation D under the Securities Act of 1933, as amended (the “Securities Act”), and acknowledges that the
Sale is being made in reliance, among other things, on a private placement exemption to “accredited investors” under
the Securities Act and similar exemptions under state law.

 

2.3             
Intent. Subscriber is purchasing the Securities solely for investment purposes, for Subscriber’s own account (and/or for
the account or benefit of its members or affiliates, as permitted, pursuant to the terms of an agreement (the “Insider
Letter”) to be entered into with respect to the Securities between, among others, Subscriber and the Company, as described
in the Registration Statement), and not with a view to the distribution thereof and Subscriber has no present arrangement to sell
the Securities to or through any person or entity except as may be permitted hereunder. The Subscriber shall not engage in hedging
transactions with regard to the Securities unless in compliance with the Securities Act.

 

2.4             
Restrictions on Transfer. Subscriber acknowledges and understands the Private Placement Units are being offered in a transaction
not involving a public offering in the United States within the meaning of the Securities Act. The Securities have not been registered
under the Securities Act and, if in the future Subscriber decides to offer, resell, pledge or otherwise transfer the Securities,
such Securities may be offered, resold, pledged or otherwise transferred only pursuant to (i) an effective registration statement
filed under the Securities Act, (ii) an exemption from registration under Rule 144 promulgated under the Securities Act, if available,
or (iii) any other available exemption from the registration requirements of the Securities Act, and in each case in accordance
with any applicable securities laws of any state or any other jurisdiction. Notwithstanding the foregoing, Subscriber acknowledges
and understands the Securities are subject to transfer restrictions as described herein and in the Insider Letter. Subscriber agrees
that if any transfer of its Securities or any interest therein is proposed to be made, as a condition precedent to any such transfer,
Subscriber may be required to deliver to the Company an opinion of counsel satisfactory to the Company with respect to such transfer.
Absent registration or another available exemption from registration, Subscriber agrees it will not resell the Securities (unless
otherwise permitted pursuant to the terms hereof). Subscriber further acknowledges that because the Company is a shell company,
Rule 144 may not be available to Subscriber for the resale of the Securities until the one year anniversary following consummation
of the Business Combination of the Company, despite technical compliance with the requirements of Rule 144 and the release or waiver
of any contractual transfer restrictions.

 

    3 

     

    

 

2.5             
Sophisticated Investor.

 

(a)              
Subscriber is sophisticated in financial matters and is able to evaluate the risks and benefits of the investment in the Securities.

 

(b)              
Subscriber is aware that an investment in the Securities is highly speculative and subject to substantial risks because, among
other things, the Securities are subject to transfer restrictions and have not been registered under the Securities Act and therefore
cannot be sold unless subsequently registered under the Securities Act or an exemption from such registration is available. Subscriber
is able to bear the economic risk of its investment in the Securities for an indefinite period of time.

 

2.6             
Organization and Authority. Subscriber is duly organized, validly existing and in good standing under the laws of its state of
incorporation or formation and it possesses all requisite power and authority necessary to carry out the transactions contemplated
by this Agreement.

 

2.7             
Authority. This Agreement has been validly authorized, executed and delivered by Subscriber and is a valid and binding agreement
enforceable in accordance with its terms, subject to the general principles of equity and to bankruptcy or other laws affecting
the enforcement of creditors’ rights generally.

 

2.8             
No Conflicts. The execution, delivery and performance of this Agreement and the consummation by Subscriber of the transactions
contemplated hereby do not violate, conflict with or constitute a default under (i) Subscriber’s charter documents, (ii)
any agreement or instrument to which Subscriber is a party or (iii) any law, statute, rule or regulation to which Subscriber is
subject, or any agreement, order, judgment or decree to which Subscriber is subject.

 

2.9             
No Legal Advice from Company. Subscriber acknowledges it has had the opportunity to review this Agreement and the transactions
contemplated by this Agreement and the other agreements entered into between the parties hereto with Subscriber’s own legal
counsel and investment and tax advisors. Except for any statements or representations of the Company made in this Agreement and
the other agreements entered into between the parties hereto, Subscriber is relying solely on such counsel and advisors and not
on any statements or representations of the Company or any of its representatives or agents for legal, tax or investment advice
with respect to this investment, the transactions contemplated by this Agreement or the securities laws of any jurisdiction.

 

2.10           
Reliance on Representations and Warranties. The Subscriber understands the Private Placement Units are being offered and sold to
the Subscriber in reliance on exemptions from the registration requirements under the Securities Act, and analogous provisions
in the laws and regulations of various states, and that the Company is relying upon the truth and accuracy of the representations,
warranties, agreements, acknowledgments and understandings of the Subscriber set forth in this Agreement in order to determine
the applicability of such provisions.

 

2.11           
No General Solicitation. Subscriber is not subscribing for the Private Placement Units as a result of or subsequent to any general
solicitation or general advertising, including but not limited to any advertisement, article, notice or other communication published
in any newspaper, magazine, or similar media or broadcast over television or radio, or presented at any seminar or meeting or in
the Registration Statement.

 

2.12           
Legend. Subscriber acknowledges and agrees that each of the Private Placement Units and the shares of Common Stock included in
the Private Placement Units shall bear a restrictive legend substantially in the form set forth in Section 4.1 below, the Private
Warrants shall bear the legend substantially in the form set forth in the Warrant Agreement, and that the Securities will be subject
to appropriate “stop transfer restrictions.”

 

 

	 	3.	Representations, Warranties and Covenants of the Company.

 

The Company represents
and warrants to, and agrees with, Subscriber that:

 

3.1             
Valid Issuance of Capital Stock. The total number of shares of all classes of capital stock which the Company has authority
to issue is 500,000,000 shares of Class A Common Stock, 25,000,000 shares of Class F Common Stock, $0.0001 par value per
share (the “Class F Common Stock”), and 5,000,000 shares of preferred stock, $0.0001 par value per share
(“Preferred Stock”). As of the date hereof, the Company has issued and outstanding 7,187,500 shares
of Class F Common Stock (of which up to 937,500 shares are subject to forfeiture as described in the Registration Statement),
no shares of Class A Common Stock and no shares of Preferred Stock. All of the issued shares of capital stock of the Company
have been duly authorized, validly issued, and are fully paid and non-assessable.

 

    4 

     

    

 

3.2             
Title to Securities. Upon issuance in accordance with, and payment pursuant to, the terms hereof and that certain warrant agreement
(the “Warrant Agreement”) to be entered into between the Company and Continental, as warrant agent, as the case
may be, each of the Private Placement Units, Private Shares, Private Warrants and Warrant Shares will be duly and validly issued,
fully paid and non-assessable. On the date of issuance of the Private Placement Units and Warrant Shares shall have been reserved
for issuance. Upon issuance in accordance with, and payment pursuant to, the terms hereof and the Warrant Agreement, as the case
may be, Subscriber will have or receive good title to the Private Placement Units, Private Shares and Private Warrants, free and
clear of all liens, claims and encumbrances of any kind, other than (i) transfer restrictions hereunder and (ii) transfer restrictions
under federal and state securities laws.

 

3.3             
Organization and Qualification. The Company is a corporation duly incorporated, validly existing and in good standing under the
laws of the State of Delaware and has the requisite corporate power to own its properties and assets and to carry on its business
as now being conducted.

 

3.4             
Authorization; Enforcement. (i) The Company has the requisite corporate power and authority to enter into and perform its obligations
under this Agreement and to issue the Securities in accordance with the terms hereof, (ii) the execution, delivery and performance
of this Agreement by the Company and the consummation by it of the transactions contemplated hereby have been duly authorized by
all necessary corporate action, and no further consent or authorization of the Company or its Board of Directors or stockholders
is required, and (iii) this Agreement constitutes valid and binding obligations of the Company enforceable against the Company
in accordance with its terms, except as such enforceability may be limited by applicable bankruptcy, insolvency, fraudulent conveyance,
moratorium, reorganization, or similar laws relating to, or affecting generally the enforcement of, creditors’ rights and
remedies or by equitable principles of general application and except as enforcement of rights to indemnity and contribution may
be limited by federal and state securities laws or principles of public policy.

 

3.5             
No Conflicts. The execution, delivery and performance of this Agreement and the consummation by the Company of the transactions
contemplated hereby do not (i) result in a violation of the Company’s certificate of incorporation or by-laws, (ii) conflict
with, or constitute a default under any agreement or instrument to which the Company is a party or (iii) any law statute, rule
or regulation to which the Company is subject or any agreement, order, judgment or decree to which the Company is subject. Other
than any SEC or state securities filings which may be required to be made by the Company subsequent to the Closing Date, and any
registration statement which may be filed pursuant thereto, the Company is not required under federal, state or local law, rule
or regulation to obtain any consent, authorization or order of, or make any filing or registration with, any court or governmental
agency or self-regulatory entity in order for it to perform any of its obligations under this Agreement or issue the Private Placement
Units, Private Shares, Private Warrants or Warrant Shares in accordance with the terms hereof.

 

3.6             
Additional Representations and Warranties. The representations and warranties of the Company set forth in the Underwriting Agreement
are hereby incorporated herein and are true and correct with the same force and effect as though expressly made herein as of the
date hereof.

 

3.7             
Regulation D Qualification. Neither the Company nor, to its knowledge, any of its affiliates, members, officers, directors or beneficial
shareholders of 20% or more of its outstanding securities, has experienced a disqualifying event as enumerated pursuant to Rule
506(d) of Regulation D under the Securities Act.

 

    5 

     

    

 

	 	4.	Legends.

 

4.1             
Legend. The Company will issue the Private Placement Units and Private Shares and, when issued, the Warrant Shares, purchased by
the Subscriber in the name of the Subscriber, and such securities will bear the following legend:

 

“THE
SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”),
OR ANY STATE SECURITIES LAWS AND NEITHER THE SECURITIES NOR ANY INTEREST THEREIN MAY BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR
OTHERWISE DISPOSED OF EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR SUCH LAWS OR AN EXEMPTION
FROM REGISTRATION UNDER THE SECURITIES ACT AND SUCH LAWS WHICH, IN THE OPINION OF COUNSEL FOR THIS COMPANY, IS AVAILABLE.”

 

“THE
SECURITIES REPRESENTED hereby ARE SUBJECT TO LOCKUP PURSUANT TO A letter agreement by and among 890 5th Avenue Partners, Inc.,
PA 2 Co-Investment LLC, Craig-Hallum Capital Group LLC AND THE OTHER PARTIES THERETO, AND
MAY ONLY BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED DURING THE TERM OF THE LOCKUP PURSUANT TO THE TERMS SET FORTH
IN such letter AGREEMENT.”

 

“SECURITIES
EVIDENCED HEREBY SHALL BE ENTITLED TO REGISTRATION RIGHTS UNDER A REGISTRATION RIGHTS AGREEMENT WITH THE COMPANY.”

 

4.2             
Subscriber’s Compliance. Nothing in this Section 4 shall affect in any way the Subscriber’s obligations and agreements
to comply with all applicable securities laws upon resale of the Securities.

 

4.3             
Company’s Refusal to Register Transfer of the Securities. The Company shall refuse to register any transfer of the Securities,
if in the sole judgment of the Company such purported transfer would not be made (i) pursuant to an effective registration statement
filed under the Securities Act, or pursuant to an available exemption from the registration requirements of the Securities Act
and (ii) in compliance herewith.

 

4.4             
Registration Rights. The Subscriber will be entitled to certain registration rights which will be governed by a registration rights
agreement (“Registration Rights Agreement”) to be entered into among the Subscriber, the Company and others,
on or prior to the effective date of the Registration Statement.

 

	 	5.	Waiver of Liquidation Distributions.

 

In connection with
the Securities purchased pursuant to this Agreement, Subscriber hereby waives any and all right, title, interest or claim of any
kind in or to any distributions of the amounts in the Trust Account with respect to the Securities, whether (i) in connection with
the exercise of redemption rights if the Company consummates the Business Combination, (ii) in connection with any tender offer
conducted by the Company prior to a Business Combination, (iii) upon the Company’s redemption of shares of Common Stock sold
in the Company’s IPO upon the Company’s failure to timely complete the Business Combination or (iv) in connection with
a stockholder vote to approve an amendment to the Company’s amended and restated certificate of incorporation, (A) to modify
the substance or timing of the Company’s obligation to redeem 100% of the shares of Common Stock sold in the IPO if the Company
does complete the Business Combination within 24 months of the closing of the IPO or (B) with respect to any other provision relating
to stockholders’ rights or pre-Business Combination activity. In the event Subscriber purchases shares of Common Stock in
the IPO or in the aftermarket, any additional shares so purchased shall be eligible to receive the redemption value of such shares
of Common Stock upon the same terms offered to all other purchasers of Common Stock in the IPO in the event the Company fails to
consummate the Business Combination within the time period set forth in the Company’s certificate of incorporation, as amended
from time to time.

 

	 	6.	Terms of Private Warrants.

 

Each Private Warrant shall have the terms set forth in the Warrant Agreement.

 

    6 

     

    

 

	 	7.	FINRA Considerations. 

 

Subscriber acknowledges and agrees that the Private 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 FINRA Rule 5110(e), 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(e)(2). Additionally, the Private 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 any Subscriber and any such participating underwriter or selected dealer. Additionally, the Private 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.

 

	 	8.	Terms of the Private Placement Units and Private Warrants.

 

8.1             
The Private Placement Units and their component parts are substantially identical to the units to be offered in the IPO except
that: (i) the Private Placement Units and component parts will not, except in limited circumstances, be transferable or salable
until 30 days after the completion of the Company’s Business Combination, (ii) the Private Warrants will be non-redeemable
and may be exercisable on a “cashless” basis if held by Subscriber or its permitted transferees, as further described
in the Warrant Agreement, (iii) the Private Warrants may not be exercised after the five year anniversary of the effective date
of the Registration Statement pursuant to FINRA Rule 5110(g)(8) and (iv) the Private Placement Units and component parts are being
purchased pursuant to an exemption from the registration requirements of the Securities Act and will become freely tradable only
after the expiration of the lockup described above in clause (i) and they are registered pursuant to the Registration Rights Agreement
or an exemption from registration under the Securities Act is available.

 

8.2             
Subscriber agrees to vote the Private Shares in accordance with the terms of the Insider Letter and as otherwise described in the
Registration Statement.

 

	 	9.	Governing Law; Jurisdiction; Waiver of Jury Trial.

 

This Agreement shall
be governed by and construed in accordance with the laws of the State of Delaware for agreements made and to be wholly performed
within such state. The parties hereto hereby waive any right to a jury trial in connection with any litigation pursuant to this
Agreement and the transactions contemplated hereby.

 

	 	10.	Assignment; Entire Agreement; Amendment.

 

10.1           
Assignment. Neither this Agreement nor any rights hereunder may be assigned by any party to any other person other than by Subscriber
to a person agreeing to be bound by the terms hereof.

 

10.2           
Entire Agreement. This Agreement sets forth the entire agreement and understanding between the parties as to the subject matter
thereof and merges and supersedes all prior discussions, agreements and understandings of any and every nature among them.

 

10.3           
Amendment. Except as expressly provided in this Agreement, neither this Agreement nor any term hereof may be amended, waived, discharged
or terminated other than by a written instrument signed by all of the parties hereto.

 

10.4           
Binding upon Successors. This Agreement shall be binding upon and inure to the benefit of the parties hereto and to their respective
heirs, legal representatives, successors and permitted assigns.

 

	 	11.	Notices.

 

Unless otherwise
provided herein, any notice or other communication to a party hereunder shall be sufficiently given if in writing and
personally delivered or sent by facsimile or other electronic transmission with copy sent in another manner herein provided
or sent by courier (which for all purposes of this Agreement shall include Federal Express or other recognized overnight
courier) or mailed to said party by certified mail, return receipt requested, at its address provided for herein or such
other address as either may designate for itself in such notice to the other. Communications shall be deemed to have been
received when delivered personally, on the scheduled arrival date when sent by next day or 2nd-day courier service, or if
sent by facsimile upon receipt of confirmation of transmittal or, if sent by mail, then three days after deposit in the mail.
If given by electronic transmission, such notice shall be deemed to be delivered (i) if by electronic mail, when directed to
an electronic mail address at which the stockholder has consented to receive notice; (ii) if by a posting on an electronic
network together with separate notice to the stockholder of such specific posting, upon the later of (1) such posting and (2)
the giving of such separate notice; and (iii) if by any other form of electronic transmission, when directed to the
stockholder.

 

    7 

     

    

 

	 	12.	Counterparts; Electronic Signatures.

 

This Agreement may
be executed in counterparts, each of which when so executed shall be deemed to be an original and all of which when taken together
shall constitute one and the same instrument. The words “execution,” “signed,” “signature,”
and words of like import in this Agreement or in any other certificate, agreement or document related to this Agreement shall include
images of manually executed signatures transmitted by facsimile or other electronic format (including, without limitation, “pdf,”
 “tif” or “jpg”) and other electronic signatures (including, without limitation, DocuSign and AdobeSign). The
use of electronic signatures and electronic records (including, without limitation, any contract or other record created, generated,
sent, communicated, received, or stored by electronic means) shall be of the same legal effect, validity and enforceability as
a manually executed signature or use of a paper-based record-keeping system to the fullest extent permitted by applicable law.

 

	 	13.	Survival; Severability.

 

13.1           
Survival. The representations, warranties, covenants and agreements of the parties hereto shall survive each Closing Date.

 

13.2           
Severability. In the event that any provision of this Agreement becomes or is declared by a court of competent jurisdiction to
be illegal, unenforceable or void, this Agreement shall continue in full force and effect without said provision; provided that
no such severability shall be effective if it materially changes the economic benefit of this Agreement to any party.

 

	 	14.	Headings.

 

The titles and subtitles
used in this Agreement are used for convenience only and are not to be considered in construing or interpreting this Agreement.

 

[The remainder of this page has been
intentionally left blank.]

 

    8 

     

    

 

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

 

	 	COMPANY:
	 	 
	 	890 5th Avenue Partners, Inc.
	 	 
	 	By:	 /s/ Adam Rothstein
	 	 	Name: Adam Rothstein
	 	 	Title: Executive Chairman
	 	 	 
	 	SUBSCRIBER:
	 	 
	 	PA 2 Co-Investment LLC
	 	By: Cowen Investments II LLC, its Sole Member
	 	 
	 	By:	 /s/ Owen Littman
	 	 	Name: Owen Littman
	 	 	Title: Authorized Person

 

[Signature Page
to Private Placement Unit Purchase Agreement]

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