Exhibit
10.5


 


UNIT
SUBSCRIPTION AGREEMENT


 


This
UNIT SUBSCRIPTION AGREEMENT (this “Agreement”) is made as of the 11th day of January 2021, by
and between Big Cypress Acquisition Corp., a Delaware corporation (the “Company”), having its principal place
of business at 300 W. 41st Street, Suite 202, Miami Beach, FL 33140, and Big Cypress Holdings LLC, a Delaware limited liability
company (the “Subscriber”), having its principal place of business at 300 W. 41st Street, Suite 202 Miami Beach,
FL 33140.


 


WHEREAS,
the Company desires to sell to the Subscriber on a private placement basis (the “Offering”) an aggregate of
382,250 units (or up to 417,200 units if the over-allotment option in connection with the IPO (as defined below)
is exercised in full) (the “Units”) of the Company, each Unit comprised of one share of common stock of the
Company, par value $0.0001 per share (“Common Stock”) and one half of one warrant, each whole warrant exercisable
to purchase one share of Common Stock (“Warrant”), for a purchase price of $10.00 per Unit. The shares of Common
Stock underlying the Warrants are hereinafter referred to as the “Warrant Shares”. The shares of Common Stock
underlying the Units (excluding the Warrant Shares) are hereinafter referred to as the “Placement Shares.”
The Warrants underlying the Units are hereinafter referred to as the “Placement Warrants.” The Units, Placement
Shares, Placement Warrants and Warrant Shares, collectively, are hereinafter referred to as the “Securities.”
Each whole Placement Warrant is exercisable to purchase one share of Common Stock at an exercise price of $11.50 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”), and expiring on the fifth
anniversary of the consummation of the Business Combination; and


 


WHEREAS,
the Subscriber wishes to purchase 382,250 Units (or up to 417,200 Units if the over-allotment option in connection
with the IPO is exercised in full), and the Company wishes to accept such subscription from 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 Subscriber hereby agree as follows:


 


1.
Agreement to Subscribe


 


1.1.
Purchase and Issuance of the Units. 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) 382,250 Units in consideration of the payment of the Purchase Price (as defined below). 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.


 


1.2.
Purchase Price. The Subscriber shall pay $3,822,500 (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 (the “Trust
Account”) at a financial institution to be chosen by the Company, maintained by Continental Stock Transfer & Trust
Company, acting as trustee (“Continental”), one (1) business day prior to the date of effectiveness of the
Registration Statement.


 


1.3.
Initial Closing. The closing of the purchase and sale of 382,250 Units shall take place simultaneously with the closing
of the IPO (the “Initial Closing Date”). The closing of such Units shall take place at the offices of Dentons
US LLP, 1221 Avenue of the Americas, New York, New York, 10020, or such other place as may be agreed upon by the parties hereto.


 


1.4.
Purchase and Issuance of Additional Units. 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 Over-allotment Closing Date
(as defined below) up to an aggregate of 16,875 Units in consideration of the payments of the Over-allotment Purchase Price (as
defined below) and in the same proportion as the amount of the over-allotment option is exercised. On the Over-allotment Closing
Date (as defined below), the Company shall, at its option, deliver to the Subscriber the certificates representing the Securities
purchased or effect such delivery in book-entry form.


 




    	 



     


    

 


1.5.
Purchase Price. The Subscriber shall pay up to $349,500 (if the over-allotment option in connection with the IPO is exercised
in full) (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 on the date of the consummation of the closing of
the over-allotment option, and concurrently with the consummation thereof, or on such earlier time and date as may be mutually
agreed by the Company and the Subscriber (each such date, an “Over-allotment Closing Date”; together with the
Initial Closing Date, the “Closing Dates” and each, a “Closing Date”).


 


1.6.
Over-Allotment Closing. The Over-allotment Closing Date shall take place at the offices of Dentons US LLP, 1221 Avenue of the
Americas, New York, New York, 10020, or such other place as may be agreed upon by the parties hereto.


 


1.7
Termination. This Agreement and each of the obligations of the undersigned shall be null and void and without effect if a Closing
does not occur prior to March 31, 2021.


 


2.
Representations and Warranties of 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 Offering 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 contemplated hereby 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 under the Insider Letter. 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 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 (A) pursuant to an effective registration statement filed under
the Securities Act, (B) pursuant to an exemption from registration under Rule 144 promulgated under the Securities Act, if available,
or (C) pursuant to 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 in Section 8 hereof. 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 Insider Letter, as described in the Registration Statement). 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 initial Business Combination of the Company, despite
technical compliance with the requirements of Rule 144 and the release or waiver of any contractual transfer restrictions.


 




    	 



     


    

 


2.5.
Sophisticated Investor.


 


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


 


(ii)
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.
Independent Investigation. Subscriber, in making the decision to purchase the Units, has relied upon an independent investigation
of the Company and has not relied upon any information or representations made by any third parties or upon any oral or written
representations or assurances from the Company, its officers, directors or employees or any other representatives or agents of
the Company, other than as set forth in this Agreement. Subscriber is familiar with the business, operations and financial condition
of the Company and has had an opportunity to ask questions of, and receive answers from the Company’s officers and directors
concerning the Company and the terms and conditions of the offering of the Units and has had full access to such other information
concerning the Company as Subscriber has requested. Subscriber confirms that all documents that it has requested have been made
available and that Subscriber has been supplied with all of the additional information concerning this investment which Subscriber
has requested.


 


2.7
Organization and Authority. Subscriber is duly organized, validly existing and in good standing under the laws of the State of
Delaware and it possesses all requisite power and authority necessary to carry out the transactions contemplated by this Agreement.


 


2.8.
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.


 


2.9.
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.


 


2.10.
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.


 


2.11.
Reliance on Representations and Warranties. Subscriber understands the Units are being offered and sold to 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 Subscriber set forth in this Agreement in order to determine the applicability of such provisions.


 


2.12.
No General Solicitation. Subscriber is not subscribing for the 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 a registration
statement with respect to the IPO filed with the Securities and Exchange Commission (“SEC”).


 




    	 



     


    

 


2.13.
Legend. Subscriber acknowledges and agrees the certificates evidencing each of the Securities shall bear a restrictive legend
(the “Legend”), in form and substance substantially as set forth in Section 4 hereof.


 


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 capital stock which the Company has authority to issue is 50,000,000
shares of Common Stock and 1,000,000 shares of preferred stock, $0.0001 par value per share (“Preferred Stock”).
As of the date hereof, the Company has issued and outstanding 2,875,000 shares of Common Stock (of which up to 375,000
shares are subject to forfeiture as described in the Registration Statement) 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
to be entered into between the Company and Continental, as warrant agent (the “Warrant Agreement”), as the
case may be, each of the Units, Placement Shares, Placement Warrants and Warrant Shares will be duly and validly issued, fully
paid and non-assessable. On the date of issuance of the 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 Units, Placement Shares and Placement Warrants, free and clear of all liens, claims and encumbrances
of any kind, other than (i) transfer restrictions hereunder and pursuant to the Insider Letter 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, 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 Units, Placement Shares,
Placement Warrants or Warrant Shares in accordance with the terms hereof.


 




    	 



     


    

 


4.
Legends


 


4.1.
Legend. The Company will issue the Units, Placement Shares and Placement Warrants, and when issued, the Warrant Shares, purchased
by the Subscriber in the name of the Subscriber. The Securities will bear the following Legend and appropriate “stop transfer”
instructions:


 


“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 CORPORATION, IS AVAILABLE.”


 


“THE
SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO LOCKUP PURSUANT TO AN INSIDER LETTER BETWEEN, AMONG OTHERS, BIG CYPRESS
ACQUISITION CORP. AND BIG CYPRESS HOLDINGS LLC AND MAY ONLY BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED DURING
THE TERM OF THE LOCKUP PURSUANT TO THE TERMS SET FORTH IN THE INSIDER LETTER.”


 


4.2.
Subscriber’s Compliance. Nothing in this Section 4 shall affect in any way 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 and with the Insider Letter.


 


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 between, among others, the Subscriber and the
Company, 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 Company’s public
shares if the Company does not timely complete the Business Combination or (B) with respect to any other provision relating to
stockholders’ rights or pre-Business Combination activity. In the event a 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.


 


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


 


7.
[Reserved].


 


8.
Terms of the Units and Placement Warrants


 


8.1
The Units and their component parts are substantially identical to the units to be offered in the IPO except that: (i) the Units
and component parts will be subject to transfer restrictions described in the Insider Letter, (ii) the Placement Warrants will
be non-redeemable so long as they are held by the initial holder thereof (or any of its permitted transferees), and may be exercisable
on a “cashless” basis if held by a Subscriber or its permitted transferees, as further described in the Warrant Agreement
and (iii) the 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 to be signed on or before the date of the Prospectus or an exemption
from registration is available.


 




    	 



     


    

 


8.2
Subscriber agrees to vote the Placement 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 New York 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 a Subscriber
to a person agreeing to be bound by the terms hereof, including the waiver contained in Section 7 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


 


11.1
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 (a) if by electronic mail, when directed to an electronic
mail address at which the stockholder has consented to receive notice; (b) 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 (c) if by any other form of electronic transmission, when directed to the stockholder.


 


12.
Counterparts


 


This
Agreement may be executed in one or more counterparts, all of which when taken together shall be considered one and the same agreement
and shall become effective when counterparts have been signed by each party and delivered to the other party, it being understood
that both parties need not sign the same counterpart. In the event that any signature is delivered by facsimile transmission or
by e-mail delivery of a “pdf” format data file, such signature shall create a valid and binding obligation of the
party executing (or on whose behalf such signature is executed) with the same force and effect as if such facsimile or “.pdf”
signature page were an original thereof.


 




    	 



     


    

 


13.
Survival; Severability


 


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


 


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.


 


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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:
	 	 
	 	BIG
    CYPRESS ACQUISITION CORP.
	 	 	 
	 	By:	/s/
    Samuel J. Reich
	 	Name:	 Samuel J. Reich
	 	Title:	Chief Executive Officer


 


	 	SUBSCRIBER:
	 	 
	 	BIG
    CYPRESS HOLDINGS LLC
	 	 	 
	 	By:	/s/
    Samuel J. Reich
	 	Name:	 Samuel J. Reich
	 	Title:	Managing Member


 


[Signature
Page of the Unit Subscription Agreement with Sponsor]