Document:

Exhibit 10.3

 

REGISTRATION RIGHTS AGREEMENT

 

THIS REGISTRATION RIGHTS AGREEMENT
(this “Agreement”), dated as of July 14, 2021, is made and entered into by and among TradeUP Acquisition Corp, a Delaware
corporation (the “Company”), TradeUP Acquisition Sponsor LLC, a Delaware limited liability company (the “Sponsor”),
Tradeup INC., a Delaware corporation (together with the Sponsor, the “Founders”) and the undersigned parties listed on the
signature page hereto (each such party, together with the Sponsor and any person or entity who hereafter becomes a party to this Agreement
pursuant to Section 5.2 of this Agreement, a “Holder” and collectively the “Holders”).

 

RECITALS

 

WHEREAS, the Company and each
of the Founders have entered into that certain Securities Subscription Agreements respectively (the “Founder Shares Purchase Agreements”),
dated as of February 12, 2021, pursuant to which the Founders purchased an aggregate of 1,150,000 shares (the “Founder Shares”)
of the Company’s common stock, par value $0.0001 per share (the “Common Stock”), up to 150,000 shares of which will
be forfeited to the Company for no consideration depending on the extent to which the underwriters of the Company’s initial public
offering exercise their over-allotment option;

 

WHEREAS, on July 14, 2021,
the Company and the Founders entered into that certain Private Shares Purchase Agreement, pursuant to which the Founders agreed to purchase
an aggregate of 295,000 shares of Common Stock, (or up to 319,000 shares of Common Stock pro rata to the extent that the over-allotment
option in connection with the Company’s initial public offering is exercised) (the “Private Shares”) at a purchase price
of $10.00 per share in a private placement transaction occurring simultaneously with the closing of the Company’s initial public
offering (and the closing of the over-allotment option exercise, if applicable); and

 

WHEREAS, in order to finance
the Company’s transaction costs in connection with an intended initial Business Combination (as defined below), the Founders or
an affiliate of the Founders or certain officers and directors of the Company may loan to the Company funds as the Company may require,
of which up to $1,200,000 of such loans may be convertible into Common Stock (“Working Capital Shares”) at a price of $10.00
per share; and

 

WHEREAS, the Working Capital
Shares are identical to the Private Shares; and

 

WHEREAS, the Company and the
Holders desire to enter into this Agreement, pursuant to which the Company shall grant the Holders certain registration rights with respect
to certain securities of the Company, as set forth in this Agreement.

 

NOW, THEREFORE, in consideration
of the representations, covenants and agreements contained herein, and certain other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto, intending to be legally bound, hereby agree as follows:

 

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ARTICLE I

DEFINITIONS

 

1.1 Definitions. The terms
defined in this Article I shall, for all purposes of this Agreement, have the respective meanings set forth below:

 

“Adverse Disclosure”
shall mean any public disclosure of material non-public information, which disclosure, in the good faith judgment of the Chief Executive
Officer or principal financial officer of the Company, after consultation with counsel to the Company, (i) would be required to be made
in any Registration Statement or Prospectus in order for the applicable Registration Statement or Prospectus not to contain any untrue
statement of a material fact or omit to state a material fact necessary to make the statements contained therein (in the case of any prospectus
and any preliminary prospectus, in the light of the circumstances under which they were made) not misleading, (ii) would not be required
to be made at such time if the Registration Statement were not being filed, and (iii) the Company has a bona fide business purpose for
not making such information public.

 

“Agreement” shall
have the meaning given in the Preamble.

 

“Board” shall
mean the Board of Directors of the Company.

 

“Business Combination”
shall mean any merger, capital stock exchange, asset acquisition, stock purchase, reorganization or other similar business combination
with one or more businesses, involving the Company.

 

“Commission” shall
mean the Securities and Exchange Commission.

 

“Common Stock”
shall have the meaning given in the Recitals hereto.

 

“Company” shall
have the meaning given in the Preamble.

 

“Demand Registration”
shall have the meaning given in subsection 2.1.1.

 

“Demanding Holder”
shall have the meaning given in subsection 2.1.1.

 

“Exchange Act”
shall mean the Securities Exchange Act of 1934, as it may be amended from time to time.

 

“FINRA” shall
mean the Financial Industry Regulatory Authority.

 

“Form S-1” shall
have the meaning given in subsection 2.1.1.

 

“Form S-3” shall
have the meaning given in subsection 2.3.

 

“Founder Shares”
shall have the meaning given in the Recitals hereto and shall be deemed to include the shares of Common Stock issuable upon conversion
thereof.

 

“Founder Shares
Lock-up Period” shall mean, (i) with respect to 50% of the Founder Shares, the period ending on the earlier of (A) six months
after the completion of the Company’s initial Business Combination or (B) the date on which the closing price of the
Company’s common stock equals or exceeds $12.50 per share (as adjusted for share splits, share dividends, reorganizations and
recapitalizations) for any 20 trading days within any 30-trading day period commencing after the Company’s initial business
combination; and (ii) with respect to remaining 50% of the Founder Shares, the period ending six months after the completion of the
Company’s initial Business Combination. .

 

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“Founder Shares Purchase
Agreement” shall have the meaning given in the Recitals hereto.

 

“Holders” shall
have the meaning given in the Preamble.

 

“Insider Letter”
shall mean that certain letter agreement, dated as of July 14, 2021, by and among the Company, the Founders and each of the Company’s
officers, directors and director nominees.

 

“Maximum Number of Securities”
shall have the meaning given in subsection 2.1.4.

 

“Misstatement”
shall mean an untrue statement of a material fact or an omission to state a material fact required to be stated in a Registration Statement
or Prospectus, or necessary to make the statements in a Registration Statement or Prospectus in the light of the circumstances under which
they were made not misleading.

 

“Permitted Transferees”
shall mean any person or entity to whom a Holder of Registrable Securities is permitted to transfer such Registrable Securities prior
to the expiration of the Founder Shares Lock-up Period or Private Placement Lock-up Period, as the case may be, under the Insider Letter,
this Agreement, and any other applicable agreement between such Holder and the Company, and to any transferee thereafter.

 

“Piggyback Registration”
shall have the meaning given in subsection 2.2.1.

 

“Private Placement Lock-up
Period” shall mean, with respect to Private Shares or Working Capital Shares that are held by the initial purchasers of such units
or their Permitted Transferees, the period ending on 30 days after the completion of the Company’s initial Business Combination.

 

“Private Shares”
shall have the meaning given in the Recitals hereto.

 

“Pro Rata” shall
have the meaning given in subsection 2.1.4.

 

“Prospectus” shall
mean the prospectus included in any Registration Statement, as supplemented by any and all prospectus supplements and as amended by any
and all post-effective amendments and including all material incorporated by reference in such prospectus.

 

“Registrable
Security” shall mean (a) the Founder Shares, (b) the Private Shares, (c) Working Capital Shares, and (d) any other equity
security of the Company issued or issuable with respect to any such share of Common Stock by way of a stock dividend or stock split
or in connection with a combination of shares, recapitalization, merger, consolidation or reorganization; provided, however, that,
as to any particular Registrable Security, such securities shall cease to be Registrable Securities when: (A) a Registration
Statement with respect to the sale of such securities shall have become effective under the Securities Act and such securities shall
have been sold, transferred, disposed of or exchanged in accordance with such Registration Statement; (B) such securities shall have
been otherwise transferred, new certificates for such securities not bearing a legend restricting further transfer shall have been
delivered by the Company and subsequent public distribution of such securities shall not require registration under the Securities
Act; (C) such securities shall have ceased to be outstanding; (D) such securities may be sold without registration pursuant to Rule
144 promulgated under the Securities Act (or any successor rule promulgated thereafter by the Commission) (but with no volume or
other restrictions or limitations); or (E) such securities have been sold to, or through, a broker, dealer or underwriter in a
public distribution or other public securities transaction.

 

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“Registration”
shall mean a registration effected by preparing and filing a registration statement or similar document in compliance with the requirements
of the Securities Act, and the applicable rules and regulations promulgated thereunder, and such registration statement becoming effective.

 

“Registration Expenses”
shall mean the out-of-pocket expenses of a Registration, including, without limitation, the following:

 

(A) all registration and filing
fees (including fees with respect to filings required to be made with the Financial Industry Regulatory Authority, Inc.) and any securities
exchange on which the Common Stock is then listed;

 

(B) fees and expenses of compliance
with securities or blue sky laws (including reasonable fees and disbursements of counsel for the Underwriters in connection with blue
sky qualifications of Registrable Securities);

 

(C) printing, messenger, telephone
and delivery expenses;

 

(D) reasonable fees and disbursements
of counsel for the Company;

 

(E) reasonable fees and disbursements
of all independent registered public accountants of the Company incurred specifically in connection with such Registration; and

 

(F) reasonable fees and expenses
of one (1) legal counsel selected by the majority-in-interest of the Demanding Holders initiating a Demand Registration to be registered
for offer and sale in the applicable Registration.

 

“Registration Statement”
shall mean any registration statement that covers the Registrable Securities pursuant to the provisions of this Agreement, including the
Prospectus included in such registration statement, amendments (including post-effective amendments) and supplements to such registration
statement, and all exhibits to and all material incorporated by reference in such registration statement.

 

“Requesting Holder”
shall have the meaning given in subsection 2.1.1.

 

“Securities Act”
shall mean the Securities Act of 1933, as amended from time to time.

 

“Sponsor” shall
have the meaning given in the Recitals hereto.

 

“Underwriter”
shall mean a securities dealer who purchases any Registrable Securities as principal in an Underwritten Offering and not as part of such
dealer’s market-making activities.

 

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“Underwritten Registration”
or “Underwritten Offering” shall mean a Registration in which securities of the Company are sold to an Underwriter in a firm
commitment underwriting for distribution to the public.

 

“Working Capital Shares”
shall have the meaning given in the Recitals hereto.

 

ARTICLE II

REGISTRATIONS

 

2.1 Demand Registration.

 

2.1.1 Request for Registration.
Subject to the provisions of subsection 2.1.4 and Section 2.4 hereof, at any time and from time to time on or after the date the Company
consummates the Business Combination, the Holders of at least a majority in interest of the then-outstanding number of Registrable Securities
(the “Demanding Holders”) may make a written demand for Registration under the Securities Act of all or part of their Registrable
Securities, which written demand shall describe the amount and type of securities to be included in such Registration and the intended
method(s) of distribution thereof (such written demand a “Demand Registration”). The Company shall, within ten (10) days of
the Company’s receipt of the Demand Registration, notify, in writing, all other Holders of Registrable Securities of such demand,
and each Holder of Registrable Securities who thereafter wishes to include all or a portion of such Holder’s Registrable Securities
in a Registration pursuant to a Demand Registration (each such Holder that includes all or a portion of such Holder’s Registrable
Securities in such Registration, a “Requesting Holder”) shall so notify the Company, in writing, within five (5) days after
the receipt by the Holder of the notice from the Company. Upon receipt by the Company of any such written notification from a Requesting
Holder(s) to the Company, such Requesting Holder(s) shall be entitled to have their Registrable Securities included in a Registration
pursuant to a Demand Registration and the Company shall effect, as soon thereafter as practicable, but not more than forty five (45) days
immediately after the Company’s receipt of the Demand Registration, the Registration of all Registrable Securities requested by
the Demanding Holders and Requesting Holders pursuant to such Demand Registration. Under no circumstances shall the Company be obligated
to effect more than an aggregate of three (3) Registrations pursuant to a Demand Registration under this subsection 2.1.1 with respect
to any or all Registrable Securities; provided, however, that a Registration shall not be counted for such purposes unless a Form S-1
or any similar long-form registration statement that may be available at such time (“Form S-1”) has become effective and all
of the Registrable Securities requested by the Requesting Holders to be registered on behalf of the Requesting Holders in such Form S-1
Registration have been sold, in accordance with Section 3.1 of this Agreement.

 

2.1.2 Effective
Registration. Notwithstanding the provisions of subsection 2.1.1 above or any other part of this Agreement, a Registration pursuant
to a Demand Registration shall not count as a Registration unless and until (i) the Registration Statement filed with the Commission
with respect to a Registration pursuant to a Demand Registration has been declared effective by the Commission and (ii) the Company
has complied with all of its obligations under this Agreement with respect thereto; provided, further, that if, after such
Registration Statement has been declared effective, an offering of Registrable Securities in a Registration pursuant to a Demand
Registration is subsequently interfered with by any stop order or injunction of the Commission, federal or state court or any other
governmental agency the Registration Statement with respect to such Registration shall be deemed not to have been declared
effective, unless and until, (i) such stop order or injunction is removed, rescinded or otherwise terminated, and (ii) a
majority-in-interest of the Demanding Holders initiating such Demand Registration thereafter affirmatively elect to continue with
such Registration and accordingly notify the Company in writing, but in no event later than five (5) days, of such election; and
provided, further, that the Company shall not be obligated or required to file another Registration Statement until the Registration
Statement that has been previously filed with respect to a Registration pursuant to a Demand Registration becomes effective or is
subsequently terminated.

 

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2.1.3 Underwritten Offering.
Subject to the provisions of subsection 2.1.4 and Section 2.4 hereof, if a majority-in-interest of the Demanding Holders so advise the
Company as part of their Demand Registration that the offering of the Registrable Securities pursuant to such Demand Registration shall
be in the form of an Underwritten Offering, then the right of such Demanding Holder or Requesting Holder (if any) to include its Registrable
Securities in such Registration shall be conditioned upon such Holder’s participation in such Underwritten Offering and the inclusion
of such Holder’s Registrable Securities in such Underwritten Offering to the extent provided herein. All such Holders proposing
to distribute their Registrable Securities through an Underwritten Offering under this subsection 2.1.3 shall enter into an underwriting
agreement in customary form with the Underwriter(s) selected for such Underwritten Offering by the majority-in-interest of the Demanding
Holders initiating the Demand Registration.

 

2.1.4 Reduction of Underwritten
Offering. If the managing Underwriter or Underwriters in an Underwritten Registration pursuant to a Demand Registration, in good faith,
advises the Company, the Demanding Holders and the Requesting Holders (if any) in writing that the dollar amount or number of Registrable
Securities that the Demanding Holders and the Requesting Holders (if any) desire to sell, taken together with all other Common Stock or
other equity securities that the Company desires to sell and the Common Stock, if any, as to which a Registration has been requested pursuant
to separate written contractual piggy-back registration rights held by any other stockholders who desire to sell, exceeds the maximum
dollar amount or maximum number of equity securities that can be sold in the Underwritten Offering without adversely affecting the proposed
offering price, the timing, the distribution method, or the probability of success of such offering (such maximum dollar amount or maximum
number of such securities, as applicable, the “Maximum Number of Securities”), then the Company shall include in such Underwritten
Offering, as follows: (i) first, the Registrable Securities of the Demanding Holders and the Requesting Holders (if any) (pro rata based
on the respective number of Registrable Securities that each Demanding Holder and Requesting Holder (if any) has requested be included
in such Underwritten Registration and the aggregate number of Registrable Securities that the Demanding Holders and Requesting Holders
have requested be included in such Underwritten Registration (such proportion is referred to herein as “Pro Rata”)) that can
be sold without exceeding the Maximum Number of Securities; (ii) second, to the extent that the Maximum Number of Securities has not been
reached under the foregoing clause (i), Common Stock or other equity securities that the Company desires to sell, which can be sold without
exceeding the Maximum Number of Securities; and (iii) third, to the extent that the Maximum Number of Securities has not been reached
under the foregoing clauses (i) and (ii), Common Stock or other equity securities of other persons or entities that the Company is obligated
to register in a Registration pursuant to separate written contractual arrangements with such persons and that can be sold without exceeding
the Maximum Number of Securities.

 

2.1.5 Demand
Registration Withdrawal. A majority-in-interest of the Demanding Holders initiating a Demand Registration or a majority-in-interest
of the Requesting Holders (if any), pursuant to a Registration under subsection 2.1.1 shall have the right to withdraw from a
Registration pursuant to such Demand Registration for any or no reason whatsoever upon written notification to the Company and the
Underwriter or Underwriters (if any) of their intention to withdraw from such Registration prior to the effectiveness of the
Registration Statement filed with the Commission with respect to the Registration of their Registrable Securities pursuant to such
Demand Registration. Notwithstanding anything to the contrary in this Agreement, the Company shall be responsible for the
Registration Expenses incurred in connection with a Registration pursuant to a Demand Registration prior to its withdrawal under
this subsection 2.1.5.

 

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2.2 Piggyback Registration.

 

2.2.1 Piggyback Rights. If,
at any time on or after the date the Company consummates an initial Business Combination, the Company proposes to file a Registration
Statement under the Securities Act with respect to an offering of equity securities, or securities or other obligations exercisable or
exchangeable for, or convertible into equity securities, for its own account or for the account of stockholders of the Company (or by
the Company and by the stockholders of the Company including, without limitation, pursuant to Section 2.1 hereof), other than a Registration
Statement (i) filed in connection with any employee stock option or other benefit plan, (ii) for an exchange offer or offering of securities
solely to the Company’s existing stockholders, (iii) for an offering of debt that is convertible into equity securities of the Company
or (iv) for a dividend reinvestment plan, then the Company shall give written notice of such proposed filing to all of the Holders of
Registrable Securities as soon as practicable but not less than ten (10) days before the anticipated filing date of such Registration
Statement, which notice shall (A) describe the amount and type of securities to be included in such offering, the intended method(s) of
distribution, and the name of the proposed managing Underwriter or Underwriters, if any, in such offering, and (B) offer to all of the
Holders of Registrable Securities the opportunity to register the sale of such number of Registrable Securities as such Holders may request
in writing within five (5) days after receipt of such written notice (such Registration a “Piggyback Registration”). The Company
shall, in good faith, cause such Registrable Securities to be included in such Piggyback Registration and shall use its commercially reasonable
efforts to cause the managing Underwriter or Underwriters of a proposed Underwritten Offering to permit the Registrable Securities requested
by the Holders pursuant to this subsection 2.2.1 to be included in a Piggyback Registration on the same terms and conditions as any similar
securities of the Company included in such Registration and to permit the sale or other disposition of such Registrable Securities in
accordance with the intended method(s) of distribution thereof. All such Holders proposing to distribute their Registrable Securities
through an Underwritten Offering under this subsection 2.2.1 shall enter into an underwriting agreement in customary form with the Underwriter(s)
selected for such Underwritten Offering by the Company.

 

2.2.2 Reduction of Piggyback
Registration. If the managing Underwriter or Underwriters in an Underwritten Registration that is to be a Piggyback Registration, in good
faith, advises the Company and the Holders of Registrable Securities participating in the Piggyback Registration in writing that the dollar
amount or number of shares of Common Stock that the Company desires to sell, taken together with (i) the shares of Common Stock, if any,
as to which Registration has been demanded pursuant to separate written contractual arrangements with persons or entities other than the
Holders of Registrable Securities hereunder, (ii) the Registrable Securities as to which registration has been requested pursuant to Section
2.2 hereof, and (iii) the shares of Common Stock, if any, as to which Registration has been requested pursuant to separate written contractual
piggy-back registration rights of other stockholders of the Company, exceeds the Maximum Number of Securities, then:

 

(a) If the Registration
is undertaken for the Company’s account, the Company shall include in any such Registration (A) first, the Common Stock or
other equity securities that the Company desires to sell, which can be sold without exceeding the Maximum Number of Securities; (B)
second, to the extent that the Maximum Number of Securities has not been reached under the foregoing clause (A), the Registrable
Securities of Holders exercising their rights to register their Registrable Securities pursuant to subsection 2.2.1 hereof, pro
rata, based on the respective number of Registrable Securities that each Holder has so requested exercising its rights to register
its Registrable Securities, which can be sold without exceeding the Maximum Number of Securities; and (C) third, to the extent that
the Maximum Number of Securities has not been reached under the foregoing clauses (A) and (B), the Common Stock, if any, as to which
Registration has been requested pursuant to written contractual piggy-back registration rights of other stockholders of the Company,
which can be sold without exceeding the Maximum Number of Securities;

 

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(b) If the Registration is
pursuant to a request by persons or entities other than the Holders of Registrable Securities, then the Company shall include in any such
Registration (A) first, the Common Stock or other equity securities, if any, of such requesting persons or entities, other than the Holders
of Registrable Securities, which can be sold without exceeding the Maximum Number of Securities; (B) second, to the extent that the Maximum
Number of Securities has not been reached under the foregoing clause (A), the Registrable Securities of Holders exercising their rights
to register their Registrable Securities pursuant to subsection 2.2.1, pro rata based on the respective number of Registrable Securities
that each Holder has requested be included in such Underwritten Registration and the aggregate number of Registrable Securities that the
Holders have requested to be included in such Underwritten Registration, which can be sold without exceeding the Maximum Number of Securities;
(C) third, to the extent that the Maximum Number of Securities has not been reached under the foregoing clauses (A) and (B), the Common
Stock or other equity securities that the Company desires to sell, which can be sold without exceeding the Maximum Number of Securities;
and (D) fourth, to the extent that the Maximum Number of Securities has not been reached under the foregoing clauses (A), (B) and (C),
the Common Stock or other equity securities for the account of other persons or entities that the Company is obligated to register pursuant
to separate written contractual arrangements with such persons or entities, which can be sold without exceeding the Maximum Number of
Securities.

 

2.2.3 Piggyback Registration
Withdrawal. Any Holder of Registrable Securities shall have the right to withdraw from a Piggyback Registration for any or no reason whatsoever
upon written notification to the Company and the Underwriter or Underwriters (if any) of his, her or its intention to withdraw from such
Piggyback Registration prior to the effectiveness of the Registration Statement filed with the Commission with respect to such Piggyback
Registration. The Company (whether on its own good faith determination or as the result of a request for withdrawal by persons pursuant
to separate written contractual obligations) may withdraw a Registration Statement filed with the Commission in connection with a Piggyback
Registration at any time prior to the effectiveness of such Registration Statement. Notwithstanding anything to the contrary in this Agreement,
the Company shall be responsible for the Registration Expenses incurred in connection with the Piggyback Registration prior to its withdrawal
under this subsection 2.2.3.

 

2.2.4 Unlimited Piggyback
Registration Rights. For purposes of clarity, any Registration effected pursuant to Section 2.2 hereof shall not be counted as a Registration
pursuant to a Demand Registration effected under Section 2.1 hereof.

 

2.3 Registrations on
Form S-3. The Holders of Registrable Securities may at any time, and from time to time, request in writing that the Company,
pursuant to Rule 415 under the Securities Act (or any successor rule promulgated thereafter by the Commission), register the resale
of any or all of their Registrable Securities on Form S-3 or any similar short form registration statement that may be available at
such time (“Form S-3”); provided, however, that the Company shall not be obligated to effect such request through an
Underwritten Offering. Within five (5) days of the Company’s receipt of a written request from a Holder or Holders of
Registrable Securities for a Registration on Form S-3, the Company shall promptly give written notice of the proposed Registration
on Form S-3 to all other Holders of Registrable Securities, and each Holder of Registrable Securities who thereafter wishes to
include all or a portion of such Holder’s Registrable Securities in such Registration on Form S-3 shall so notify the Company,
in writing, within ten (10) days after the receipt by the Holder of the notice from the Company. As soon as practicable thereafter,
but not more than twelve (12) days after the Company’s initial receipt of such written request for a Registration on Form S-3,
the Company shall file a Registration Statement relating to all or such portion of such Holder’s Registrable Securities as are
specified in such written request, together with all or such portion of Registrable Securities of any other Holder or Holders
joining in such request as are specified in the written notification given by such Holder or Holders; provided, however, that the
Company shall not be obligated to effect any such Registration pursuant to Section 2.3 hereof if (i) a Form S-3 is not available for
such offering; or (ii) the Holders of Registrable Securities, together with the Holders of any other equity securities of the
Company entitled to inclusion in such Registration, propose to sell the Registrable Securities and such other equity securities (if
any) at any aggregate price to the public of less than $10,000,000.

 

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2.4 Restrictions on Registration
Rights. If (A) during the period starting with the date sixty (60) days prior to the Company’s good faith estimate of the date of
the filing of, and ending on a date one hundred and twenty (120) days after the effective date of, a Company initiated Registration and
provided that the Company has delivered written notice to the Holders prior to receipt of a Demand Registration pursuant to subsection
2.1.1 and it continues to actively employ, in good faith, all reasonable efforts to cause the applicable Registration Statement to become
effective; (B) the Holders have requested an Underwritten Registration and the Company and the Holders are unable to obtain the commitment
of underwriters to firmly underwrite the offer; or (C) in the good faith judgment of the Board such Registration would be seriously detrimental
to the Company and the Board concludes as a result that it is essential to defer the filing of such Registration Statement at such time,
then in each case the Company shall furnish to such Holders a certificate signed by the Chairman of the Board stating that in the good
faith judgment of the Board it would be seriously detrimental to the Company for such Registration Statement to be filed in the near future
and that it is therefore essential to defer the filing of such Registration Statement. In such event, the Company shall have the right
to defer such filing for a period of not more than thirty (30) days; provided, however, that the Company shall not defer its obligation
in this manner more than once in any 12 month period.

 

ARTICLE III

COMPANY PROCEDURES

 

3.1 General Procedures. If
at any time on or after the date the Company consummates an initial Business Combination the Company is required to effect the Registration
of Registrable Securities, the Company shall use its commercially reasonable efforts to effect such Registration to permit the sale of
such Registrable Securities in accordance with the intended plan of distribution thereof, and pursuant thereto the Company shall, as expeditiously
as possible:

 

3.1.1 prepare and file with
the Commission as soon as practicable a Registration Statement with respect to such Registrable Securities and use its commercially reasonable
efforts to cause such Registration Statement to become effective and remain effective until all Registrable Securities covered by such
Registration Statement have been sold;

 

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3.1.2 prepare and file with
the Commission such amendments and post-effective amendments to the Registration Statement, and such supplements to the Prospectus, as
may be reasonably requested by the majority-in-interest of the Holders with Registrable Securities registered on such Registration Statement
or any Underwriter of Registrable Securities or as may be required by the rules, regulations or instructions applicable to the registration
form used by the Company or by the Securities Act or rules and regulations thereunder to keep the Registration Statement effective until
all Registrable Securities covered by such Registration Statement are sold in accordance with the intended plan of distribution set forth
in such Registration Statement or supplement to the Prospectus;

 

3.1.3 prior to filing a Registration
Statement or Prospectus, or any amendment or supplement thereto, furnish without charge to the Underwriters, if any, and the Holders of
Registrable Securities included in such Registration, and such Holders’ legal counsel, copies of such Registration Statement as
proposed to be filed, each amendment and supplement to such Registration Statement (in each case including all exhibits thereto and documents
incorporated by reference therein), the Prospectus included in such Registration Statement (including each preliminary Prospectus), and
such other documents as the Underwriters and the Holders of Registrable Securities included in such Registration or the legal counsel
for any such Holders may request in order to facilitate the disposition of the Registrable Securities owned by such Holders;

 

3.1.4 prior to any public
offering of Registrable Securities, use its commercially reasonable efforts to (i) register or qualify the Registrable Securities covered
by the Registration Statement under such securities or “blue sky” laws of such jurisdictions in the United States as the Holders
of Registrable Securities included in such Registration Statement (in light of their intended plan of distribution) may request and (ii)
take such action necessary to cause such Registrable Securities covered by the Registration Statement to be registered with or approved
by such other governmental authorities as may be necessary by virtue of the business and operations of the Company and do any and all
other acts and things that may be necessary or advisable to enable the Holders of Registrable Securities included in such Registration
Statement to consummate the disposition of such Registrable Securities in such jurisdictions; provided, however, that the Company shall
not be required to qualify generally to do business in any jurisdiction where it would not otherwise be required to qualify or take any
action to which it would be subject to general service of process or taxation in any such jurisdiction where it is not then otherwise
so subject;

 

3.1.5 cause all such Registrable
Securities to be listed on each securities exchange or automated quotation system on which similar securities issued by the Company are
then listed;

 

3.1.6 provide a transfer agent,
and registrar for all such Registrable Securities no later than the effective date of such Registration Statement;

 

3.1.7 advise each seller of
such Registrable Securities, promptly after it shall receive notice or obtain knowledge thereof, of the issuance of any stop order by
the Commission suspending the effectiveness of such Registration Statement or the initiation or threatening of any proceeding for such
purpose and promptly use its commercially reasonable efforts to prevent the issuance of any stop order or to obtain its withdrawal if
such stop order should be issued;

 

3.1.8 at least five (5) days
prior to the filing of any Registration Statement or Prospectus or any amendment or supplement to such Registration Statement or Prospectus
or any document that is to be incorporated by reference into such Registration Statement or Prospectus, furnish a copy thereof to each
seller of such Registrable Securities or its counsel;

 

    10

     

    

 

3.1.9 notify the Holders at
any time when a Prospectus relating to such Registration Statement is required to be delivered under the Securities Act, of the happening
of any event as a result of which the Prospectus included in such Registration Statement, as then in effect, includes a Misstatement,
and then to correct such Misstatement as set forth in Section 3.4 hereof;

 

3.1.10 permit a representative
of the Holders (such representative to be selected by a majority of the participating Holders), the Underwriters, if any, and any attorney
or accountant retained by such Holders, or Underwriter to participate, at each such person’s own expense, in the preparation of
the Registration Statement, and cause the Company’s officers, directors and employees to supply all information reasonably requested
by any such representative, Underwriter, attorney or accountant in connection with the Registration; provided, however, that such representative
or Underwriters enter into a confidentiality agreement, in form and substance reasonably satisfactory to the Company, prior to the release
or disclosure of any such information and provided further, the Company may not include the name of any Holder or Underwriter or any information
regarding any Holder or Underwriter in any Registration Statement or Prospectus, any amendment or supplement to such Registration Statement
or Prospectus, any document that is to be incorporated by reference into such Registration Statement or Prospectus, or any response to
any comment letter, without the prior written consent of such Holder or Underwriter and providing each such Holder or Underwriter a reasonable
amount of time to review and comment on such applicable document, which comments the Company shall include unless contrary to applicable
law;

 

3.1.11 obtain a “cold
comfort” letter from the Company’s independent registered public accountants in the event of an Underwritten Registration,
in customary form and covering such matters of the type customarily covered by “cold comfort” letters as the managing Underwriter
may reasonably request, and reasonably satisfactory to a majority-in-interest of the participating Holders;

 

3.1.12 on the date the Registrable
Securities are delivered for sale pursuant to such Registration, obtain an opinion, dated such date, of counsel representing the Company
for the purposes of such Registration, addressed to the Holders, the placement agent or sales agent, if any, and the Underwriters, if
any, covering such legal matters with respect to the Registration in respect of which such opinion is being given as the Holders, placement
agent, sales agent, or Underwriter may reasonably request and as are customarily included in such opinions and negative assurance letters,
and reasonably satisfactory to a majority in interest of the participating Holders;

 

3.1.13 in the event of any
Underwritten Offering, enter into and perform its obligations under an underwriting agreement, in usual and customary form, with the managing
Underwriter of such offering;

 

3.1.14 make available to its
security holders, as soon as reasonably practicable, an earnings statement covering the period of at least twelve (12) months beginning
with the first day of the Company’s first full calendar quarter after the effective date of the Registration Statement which satisfies
the provisions of Section 11(a) of the Securities Act and Rule 158 thereunder (or any successor rule promulgated thereafter by the Commission);

 

3.1.15 if the Registration
involves the Registration of Registrable Securities involving gross proceeds in excess of $41,000,000, use its reasonable efforts to make
available senior executives of the Company to participate in customary “road show” presentations that may be reasonably requested
by the Underwriter in any Underwritten Offering; and

 

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3.1.16 otherwise, in good
faith, cooperate reasonably with, and take such customary actions as may reasonably be requested by the Holders, in connection with such
Registration.

 

3.2 Registration Expenses.
The Registration Expenses of all Registrations shall be borne by the Company. It is acknowledged by the Holders that the Holders shall
bear all incremental selling expenses relating to the sale of Registrable Securities, such as Underwriters’ commissions and discounts,
brokerage fees, Underwriter marketing costs and, other than as set forth in the definition of “Registration Expenses,” all
reasonable fees and expenses of any legal counsel representing the Holders.

 

3.3 Requirements for Participation
in Underwritten Offerings. No person may participate in any Underwritten Offering for equity securities of the Company pursuant to a Registration
initiated by the Company hereunder unless such person (i) agrees to sell such person’s securities on the basis provided in any underwriting
arrangements approved by the Company and (ii) completes and executes all customary questionnaires, powers of attorney, indemnities, lock-up
agreements, underwriting agreements and other customary documents as may be reasonably required under the terms of such underwriting arrangements.

 

3.4 Suspension of Sales; Adverse
Disclosure. Upon receipt of written notice from the Company that a Registration Statement or Prospectus contains a Misstatement, each
of the Holders shall forthwith discontinue disposition of Registrable Securities until he, she or it has received copies of a supplemented
or amended Prospectus correcting the Misstatement (it being understood that the Company hereby covenants to prepare and file such supplement
or amendment as soon as practicable after the time of such notice), or until he, she or it is advised in writing by the Company that the
use of the Prospectus may be resumed. If the filing, initial effectiveness or continued use of a Registration Statement in respect of
any Registration at any time would require the Company to make an Adverse Disclosure or would require the inclusion in such Registration
Statement of financial statements that are unavailable to the Company for reasons beyond the Company’s control, the Company may,
upon giving prompt written notice of such action to the Holders, delay the filing or initial effectiveness of, or suspend use of, such
Registration Statement for the shortest period of time, but in no event more than ninety (90) days in any 12-month period, determined
in good faith by the Company to be necessary for such purpose. In the event the Company exercises its rights under the preceding sentence,
the Holders agree to suspend, immediately upon their receipt of the notice referred to above, their use of the Prospectus relating to
any Registration in connection with any sale or offer to sell Registrable Securities. The Company shall immediately notify the Holders
of the expiration of any period during which it exercised its rights under this Section 3.4.

 

3.5 Reporting
Obligations. As long as any Holder shall own Registrable Securities, the Company, at all times while it shall be a reporting company
under the Exchange Act, covenants to file timely (or obtain extensions in respect thereof and file within the applicable grace
period) all reports required to be filed by the Company after the date hereof pursuant to Sections 13(a) or 15(d) of the Exchange
Act and to promptly furnish the Holders with true and complete copies of all such filings. The Company further covenants that it
shall take such further action as any Holder may reasonably request, all to the extent required from time to time to enable such
Holder to sell shares of the Common Stock held by such Holder without registration under the Securities Act within the limitation of
the exemptions provided by Rule 144 promulgated under the Securities Act (or any successor rule promulgated thereafter by the
Commission), including providing any legal opinions. Upon the request of any Holder, the Company shall deliver to such Holder a
written certification of a duly authorized officer as to whether it has complied with such requirements.

 

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ARTICLE IV

INDEMNIFICATION AND CONTRIBUTION

 

4.1 Indemnification.

 

4.1.1 The Company agrees to
indemnify, to the extent permitted by law, each Holder of Registrable Securities, its officers and directors and each person who controls
such Holder (within the meaning of the Securities Act) against all losses, claims, damages, liabilities and expenses (including attorneys’
fees) caused by any untrue or alleged untrue statement of material fact contained in any Registration Statement, Prospectus or preliminary
Prospectus or any amendment thereof or supplement thereto or any omission or alleged omission of a material fact required to be stated
therein or necessary to make the statements therein not misleading, except insofar as the same are caused by or contained in any information
furnished in writing to the Company by such Holder expressly for use therein. The Company shall indemnify the Underwriters, their officers
and directors and each person who controls such Underwriters (within the meaning of the Securities Act) to the same extent as provided
in the foregoing with respect to the indemnification of the Holder.

 

4.1.2 In connection with any
Registration Statement in which a Holder of Registrable Securities is participating, such Holder shall furnish to the Company in writing
such information and affidavits as the Company reasonably requests for use in connection with any such Registration Statement or Prospectus
and, to the extent permitted by law, shall indemnify the Company, its directors and officers and agents and each person who controls the
Company (within the meaning of the Securities Act) against any losses, claims, damages, liabilities and expenses (including without limitation
reasonable attorneys’ fees) resulting from any untrue statement of material fact contained in the Registration Statement, Prospectus
or preliminary Prospectus or any amendment thereof or supplement thereto or any omission of a material fact required to be stated therein
or necessary to make the statements therein not misleading, but only to the extent that such untrue statement or omission is contained
in any information or affidavit so furnished in writing by such Holder expressly for use therein. The Holders of Registrable Securities
shall indemnify the Underwriters, their officers, directors and each person who controls such Underwriters (within the meaning of the
Securities Act) to the same extent as provided in the foregoing with respect to indemnification of the Company. For the avoidance of doubt,
the obligation to indemnify under this Section 4.1.2 shall be several, not joint and several, among the Holders of Registrable Securities,
and the total indemnification liability of a Holder under this Section 4.1.2 shall be in proportion to and limited to the net proceeds
received by such Holder from the sale of Registrable Securities pursuant to such Registration Statement.

 

4.1.3 Any person
entitled to indemnification herein shall (i) give prompt written notice to the indemnifying party of any claim with respect to which
it seeks indemnification (provided that the failure to give prompt notice shall not impair any person’s right to
indemnification hereunder to the extent such failure has not materially prejudiced the indemnifying party) and (ii) unless in such
indemnified party’s reasonable judgment a conflict of interest between such indemnified and indemnifying parties may exist
with respect to such claim, permit such indemnifying party to assume the defense of such claim with counsel reasonably satisfactory
to the indemnified party. If such defense is assumed, the indemnifying party shall not be subject to any liability for any
settlement made by the indemnified party without its consent (but such consent shall not be unreasonably withheld). An indemnifying
party who is not entitled to, or elects not to, assume the defense of a claim shall not be obligated to pay the fees and expenses of
more than one counsel for all parties indemnified by such indemnifying party with respect to such claim, unless in the reasonable
judgment of any indemnified party a conflict of interest may exist between such indemnified party and any other of such indemnified
parties with respect to such claim. No indemnifying party shall, without the consent of the indemnified party, consent to the entry
of any judgment or enter into any settlement which cannot be settled in all respects by the payment of money (and such money is so
paid by the indemnifying party pursuant to the terms of such settlement) or which settlement does not include as an unconditional
term thereof the giving by the claimant or plaintiff to such indemnified party of a release from all liability in respect to such
claim or litigation.

 

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4.1.4 The indemnification
provided for under this Agreement shall remain in full force and effect regardless of any investigation made by or on behalf of the indemnified
party or any officer, director or controlling person of such indemnified party and shall survive the transfer of securities.

 

4.1.5 If the indemnification
provided under Section 4.1 hereof from the indemnifying party is unavailable or insufficient to hold harmless an indemnified party in
respect of any losses, claims, damages, liabilities and expenses referred to herein, then the indemnifying party, in lieu of indemnifying
the indemnified party, shall contribute to the amount paid or payable by the indemnified party as a result of such losses, claims, damages,
liabilities and expenses in such proportion as is appropriate to reflect the relative fault of the indemnifying party and the indemnified
party, as well as any other relevant equitable considerations. The relative fault of the indemnifying party and indemnified party shall
be determined by reference to, among other things, whether any action in question, including any untrue or alleged untrue statement of
a material fact or omission or alleged omission to state a material fact, was made by, or relates to information supplied by, such indemnifying
party or indemnified party, and the indemnifying party’s and indemnified party’s relative intent, knowledge, access to information
and opportunity to correct or prevent such action; provided, however, that the liability of any Holder under this subsection 4.1.5 shall
be limited to the amount of the net proceeds received by such Holder in such offering giving rise to such liability. The amount paid or
payable by a party as a result of the losses or other liabilities referred to above shall be deemed to include, subject to the limitations
set forth in subsections 4.1.1, 4.1.2 and 4.1.3 above, any legal or other fees, charges or expenses reasonably incurred by such party
in connection with any investigation or proceeding. The parties hereto agree that it would not be just and equitable if contribution pursuant
to this subsection 4.1.5 were determined by pro rata allocation or by any other method of allocation, which does not take account of the
equitable considerations referred to in this subsection 4.1.5. No person guilty of fraudulent misrepresentation (within the meaning of
Section 11(f) of the Securities Act) shall be entitled to contribution pursuant to this subsection 4.1.5 from any person who was not guilty
of such fraudulent misrepresentation.

 

ARTICLE V

MISCELLANEOUS

 

5.1 Notices. Any notice
or communication under this Agreement must be in writing and given by (i) deposit in the United States mail, addressed to the party
to be notified, postage prepaid and registered or certified with return receipt requested, (ii) delivery in person or by courier
service providing evidence of delivery, or (iii) transmission by hand delivery, electronic mail, telecopy, telegram or facsimile.
Each notice or communication that is mailed, delivered, or transmitted in the manner described above shall be deemed sufficiently
given, served, sent, and received, in the case of mailed notices, on the third business day following the date on which it is mailed
and, in the case of notices delivered by courier service, hand delivery, electronic mail, telecopy, telegram or facsimile, at such
time as it is delivered to the addressee (with the delivery receipt or the affidavit of messenger) or at such time as delivery is
refused by the addressee upon presentation. Any notice or communication under this Agreement must be addressed, if to the Company,
to: 437 Madison Avenue 27th Floor, New York, New York 10022, and, if to any Holder, at such Holder’s address
or contact information as set forth in the Company’s books and records. Any party may change its address for notice at any
time and from time to time by written notice to the other parties hereto, and such change of address shall become effective thirty
(30) days after delivery of such notice as provided in this Section 5.1.

 

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5.2 Assignment; No Third Party
Beneficiaries.

 

5.2.1 This Agreement and the
rights, duties and obligations of the Company hereunder may not be assigned or delegated by the Company in whole or in part.

 

5.2.2 Prior to the expiration
of the Founder Shares Lock-up Period or the Private Placement Lock-up Period, as the case may be, no Holder may assign or delegate such
Holder’s rights, duties or obligations under this Agreement, in whole or in part, except in connection with a transfer of Registrable
Securities by such Holder to a Permitted Transferee but only if such Permitted Transferee agrees to become bound by the transfer restrictions
set forth in this Agreement. After the expiration of the Founder Shares Lock-up Period or the Private Placement Lock-up Period, as the
case may be, the Holder may assign or delegate such Holder’s rights, duties or obligations under this Agreement, in whole or in
part, to any transferee.

 

5.2.3 This Agreement and the
provisions hereof shall be binding upon and shall inure to the benefit of each of the parties and its successors and the permitted assigns
of the Holders, which shall include Permitted Transferees.

 

5.2.4 This Agreement shall
not confer any rights or benefits on any persons that are not parties hereto, other than as expressly set forth in this Agreement and
Section 5.2 hereof.

 

5.2.5 No assignment by any
party hereto of such party’s rights, duties and obligations hereunder shall be binding upon or obligate the Company unless and until
the Company shall have received (i) written notice of such assignment as provided in Section 5.1 hereof and (ii) the written agreement
of the assignee, in a form reasonably satisfactory to the Company, to be bound by the terms and provisions of this Agreement (which may
be accomplished by an addendum or certificate of joinder to this Agreement). Any transfer or assignment made other than as provided in
this Section 5.2 shall be null and void.

 

5.3 Counterparts. This Agreement
may be executed in multiple counterparts (including facsimile or PDF counterparts), each of which shall be deemed an original, and all
of which together shall constitute the same instrument, but only one of which need be produced.

 

5.4 Governing Law;
Venue. NOTWITHSTANDING THE PLACE WHERE THIS AGREEMENT MAY BE EXECUTED BY ANY OF THE PARTIES HERETO, THE PARTIES EXPRESSLY AGREE THAT
(I) THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED UNDER THE LAWS OF THE STATE OF NEW YORK AS APPLIED TO AGREEMENTS AMONG NEW
YORK RESIDENTS ENTERED INTO AND TO BE PERFORMED ENTIRELY WITHIN NEW YORK, WITHOUT REGARD TO THE CONFLICT OF LAW PROVISIONS OF SUCH
JURISDICTIONAND (II) THE VENUE FOR ANY ACTION TAKEN WITH RESPECT TO THE AGREEMENT SHALL BE ANY STATE OR FEDERAL COURT IN NEW YORK
COUNTY IN THE STATE OF NEW YORK.

 

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EACH PARTY HERETO ACKNOWLEDGES
AND AGREES THAT ANY CONTROVERSY WHICH MAY ARISE UNDER THIS AGREEMENT IS LIKELY TO INVOLVE COMPLICATED AND DIFFICULT ISSUES, AND, THEREFORE,
EACH SUCH PARTY HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT SUCH PARTY
MAY HAVE TO A TRIAL BY JURY IN RESPECT TO ANY ACTION DIRECTLY OR INDIRECTLY ARISING OUT OF, UNDER OR IN CONNECTION WITH OR RELATING TO
THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED BY THIS AGREEMENT.

 

5.5 Amendments and Modifications.
Upon the written consent of the Company and the Holders of at least a majority in interest of the Registrable Securities at the time in
question, compliance with any of the provisions, covenants and conditions set forth in this Agreement may be waived, or any of such provisions,
covenants or conditions may be amended or modified; provided, however, that notwithstanding the foregoing, any amendment hereto or waiver
hereof that adversely affects one Holder, solely in his, her or its capacity as a holder of the shares of capital stock of the Company,
in a manner that is materially different from the other Holders (in such capacity) shall require the consent of the Holder so affected.
No course of dealing between any Holder or the Company and any other party hereto or any failure or delay on the part of a Holder or the
Company in exercising any rights or remedies under this Agreement shall operate as a waiver of any rights or remedies of any Holder or
the Company. No single or partial exercise of any rights or remedies under this Agreement by a party shall operate as a waiver or preclude
the exercise of any other rights or remedies hereunder or thereunder by such party.

 

5.6 Other Registration Rights.
The Company represents and warrants that no person, other than a Holder of Registrable Securities, has any right to require the Company
to register any securities of the Company for sale or to include such securities of the Company in any Registration filed by the Company
for the sale of securities for its own account or for the account of any other person. Further, the Company represents and warrants that
this Agreement supersedes any other registration rights agreement or agreement with similar terms and conditions and in the event of a
conflict between any such agreement or agreements and this Agreement, the terms of this Agreement shall prevail.

 

5.7 Term. This Agreement shall
terminate upon the earlier of (i) the tenth anniversary of the date of this Agreement or (ii) the date as of which (A) all of the Registrable
Securities have been sold pursuant to a Registration Statement (but in no event prior to the applicable period referred to in Section
4(a)(3) of the Securities Act and Rule 174 thereunder (or any successor rule promulgated thereafter by the Commission)) or (B) the Holders
of all Registrable Securities are permitted to sell the Registrable Securities under Rule 144 (or any similar provision) under the Securities
Act without limitation on the amount of securities sold or the manner of sale and without compliance with the current public reporting
requirements set forth under Rule 144(i)(2). The provisions of Section 3.5 and Article IV shall survive any termination.

 

5.8 FINRA.
Notwithstanding the foregoing provisions, to the extent any Founder Shares and/or Private Shares are owned by Tradeup INC., an
affiliate of US Tiger Securities, Inc., or any permitted transferee under FINRA Rule 5110(e)(2), such securities shall be subject to
compliance with FINRA Rule 5110(g)(8). Tradeup INC. may not exercise its demand or “piggyback” registration rights after
five and seven years, respectively, after the commencement of sales of the Underwritten Offering and may not exercise its demand
rights on more than one occasion.

 

[SIGNATURE PAGES FOLLOW]

 

    16

     

    

 

IN WITNESS WHEREOF, the undersigned have caused
this Agreement to be executed as of the date first written above.

 

	 	

    COMPANY:

	 	 
	 	
    TRADEUP ACQUISITION CORP.

    a Delaware corporation

	 	 	 
	 	By:	/s/ Jianwei Li 
	 	 	Name: Jianwei Li
	 	 	Title: Chairman and Co-Chief Executive Officer
	 	 
	 	TRADEUP ACQUISITION SPONSOR LLC, a Delaware limited liability company
	 	 	 
	 	By:	/s/ Jianwei Li  
	 	 	Name: Jianwei Li
	 	 	Title:  Manager
	 	 
	 	TRADEUP INC. 
	 	 	 
	 	By:	/s/ Xin Song 
	 	 	Name: Xin Song
	 	 	Title:  Sole Director

 

[Signature Page to Registration Rights Agreement-TradeUP
Acquisition Corp.]Exhibit 10.4

 

PRIVATE PLACEMENT SHARES PURCHASE AGREEMENT

 

THIS PRIVATE PLACEMENT SHARES
PURCHASE AGREEMENT, dated as of July 14, 2021 (as it may from time to time be amended, this “Agreement”), is entered into
by and between TradeUP Acquisition Corp., a Delaware corporation (the “Company”), and TradeUP Acquisition Sponsor LLC, a Delaware
limited liability company (the “Sponsor”), Tradeup INC., a Delaware corporation (together with the Sponsor, the “Purchasers”).

 

WHEREAS, the Company intends
to consummate a public offering of the Company’s units (the “Public Offering”), each unit consisting of one share of
the Company’s common stock, par value $0.0001 per share (a “Share”), and one-half of one redeemable warrant, each warrant
exercisable for one Share at an exercise price of $11.50 per Share, as set forth in the Company’s registration statement on Form
S-1 related to the Public Offering (the “Registration Statement”); and

 

WHEREAS, the Purchasers have
agreed to purchase from the Company an aggregate of 295,000 shares of Common Stock (the “Firm Private Shares”) (or up to 319,000
shares if the over-allotment option in connection with the Public Offering is exercised in full) (the “Additional Private Shares”
and, together with the Firm Private Shares, the “Private Shares”).

 

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

 

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

 

A. Authorization of the Private
Shares. The Company has duly authorized the issuance and sale of the Private Shares to the Purchasers.

 

B. Purchase and Sale of the
Private Shares.

 

(i) As payment in full for
the 295,000 Firm Private Shares being purchased under this Agreement, the Purchasers shall pay $2,950,000 (the “Purchase Price”),
among which, the Sponsor shall pay $2,360,000 for the 236,000 Firm Private Shares and Tradeup INC. shall pay $590,000 for the 59,000 Firm
Private Shares, 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 Wilmington
Trust, National Association, acting as trustee, at least one (1) business day prior to the date of effectiveness of the Registration Statement.

 

(ii) In the event that the
over-allotment option is exercised in full or in part, the Purchasers shall purchase up to an additional 24,000 Additional Private Shares,
among which, the Sponsor shall purchase up to an additional 19,200 Additional Private Shares and Tradeup INC. shall purchase up to an
additional 4,800 Additional Private Shares, in the same proportion as the amount of the over-allotment option that is exercised, and simultaneously
with such purchase of Additional Private Shares, as payment in full for the Additional Private Shares being purchased hereunder, and at
least one (1) business day prior to the closing of all or any portion of the over-allotment option, the Purchasers shall pay $10.00 per
unit, up to an aggregate amount of $240,000, by wire transfer of immediately available funds or by such other method as may be reasonably
acceptable to the Company, to the Trust Account.

 

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(iii) The closing of the purchase
and sale of the Firm Private Shares shall take place simultaneously with the closing of the Public Offering (the “Initial Closing
Date”). The closing of the purchase and sale of the Additional Private Shares, if applicable, shall take place simultaneously with
the closing of all or any portion of the over-allotment option exercise (such closing date, together with the Initial Closing Date, the
 “Closing Dates” and each, a “Closing Date”). The closing of the purchase and sale of each of the Firm Private
Shares and the Additional Private Shares shall take place at the offices of Hunter Taubman Fischer & Li LLC, 800 Avenue Suite 2800,
New York, New York 10022, or such other place as may be agreed upon by the parties hereto.

 

C. Terms of the Private Shares.

 

(i) The Private Shares are
identical to the Shares that are part of the units to be offered in the Public Offering except that: (a) the Private Shares will not,
except in limited circumstances, be transferable or salable until 30 days after the completion of the Company’s initial business
combination (the “Business Combination”) so long as they are held by the Purchaser or its permitted transferees; and (b) the
Private Shares 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 (a) and they are registered pursuant to the Registration Rights
Agreement (as defined below) or an exemption from registration is available, and the restrictions described above in clause (a) have expired.

 

(ii) At or prior to the time
of the Initial Closing Date, the Company and the Purchasers shall enter into a registration rights agreement (the “Registration
Rights Agreement”) pursuant to which the Company will grant certain registration rights to the Purchasers relating to the Private
Shares.

 

Section 2. Representations and Warranties of the
Company. As a material inducement to the Purchasers to enter into this Agreement and purchase the Private Shares, the Company hereby represents
and warrants to the Purchasers (which representations and warranties shall survive the Closing Dates) that:

 

A. Organization and Corporate
Power. The Company is a corporation duly organized, validly existing and in good standing under the laws of the State of Delaware and
is qualified to do business in every jurisdiction in which the failure to so qualify would reasonably be expected to have a material adverse
effect on the financial condition, operating results or assets of the Company. The Company possesses all requisite corporate power and
authority necessary to carry out the transactions contemplated by this Agreement, the Registration Rights Agreement and the Warrant Agreement.

 

B. Authorization; No Breach.

 

(i) The execution, delivery
and performance of this Agreement, the Registration Rights Agreement and the Private Shares have been duly authorized by the Company as
of the Closing Dates. Each of this Agreement, the Registration Rights Agreement and the Warrant Agreement constitutes a valid and binding
obligation of the Company, enforceable in accordance with its terms. Upon issuance in accordance with, and payment pursuant to, the terms
of this Agreement, the Private Shares will constitute valid and binding obligations of the Company, enforceable in accordance with their
terms as of the Closing Dates, as the case may be.

 

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

 

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

 

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

 

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

 

A. Organization and Requisite
Authority. Each Purchaser possesses all requisite power and authority necessary to carry out the transactions contemplated by this Agreement.

 

B. Authorization; No Breach.

 

(i) This Agreement constitutes
a valid and binding obligation of each Purchaser, enforceable in accordance with its terms, subject to bankruptcy, insolvency, fraudulent
conveyance, reorganization, moratorium and other laws of general applicability relating to or affecting creditors’ rights and to
general equitable principles (whether considered in a proceeding in equity or law).

 

(ii) The execution and delivery
by each Purchaser of this Agreement and the fulfillment of and compliance with the terms hereof by such Purchaser does not and shall not
as of the Closing Dates conflict with or result in a breach by such Purchaser of the terms, conditions or provisions of any agreement,
instrument, order, judgment or decree to which such Purchaser is subject.

 

C. Investment Representations.

 

(i) Each Purchaser is acquiring
the Private Shares, for such Purchaser’s own account, for investment purposes only and not with a view towards, or for resale in
connection with, any public sale or distribution thereof.

 

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(ii) Each Purchaser acknowledges
the sale contemplated hereby is being made in reliance on a private placement exemption pursuant to Section 4(a)(2) of the Securities
Act of 1933, as amended (the “Securities Act”).

 

(iii) Each Purchaser understands
that the Private Shares are being offered and will be sold to it in reliance on specific exemptions from the registration requirements
of the United States federal and state securities laws and that the Company is relying upon the truth and accuracy of, and such Purchaser’s
compliance with, the representations and warranties of such Purchaser set forth herein in order to determine the availability of such
exemptions and the eligibility of such Purchaser to acquire such Securities.

 

(iv) Each Purchaser did not
enter into this Agreement as a result of any general solicitation or general advertising within the meaning of Rule 502(c) under the Securities
Act.

 

(v) Each Purchaser has been
furnished with all materials relating to the business, finances and operations of the Company and materials relating to the offer and
sale of the Private Shares which have been requested by such Purchaser. Each Purchaser has been afforded the opportunity to ask questions
of the executive officers and directors of the Company. Each Purchaser understands that its investment in the Private Shares involves
a high degree of risk and it has sought such accounting, legal and tax advice as it has considered necessary to make an informed investment
decision with respect to the acquisition of the Private Shares.

 

(vi) Each Purchaser understands
that no United States federal or state agency or any other government or governmental agency has passed on or made any recommendation
or endorsement of the Private Shares or the fairness or suitability of the investment in the Private Shares by such Purchaser nor have
such authorities passed upon or endorsed the merits of the offering of the Private Shares.

 

(vii) Each Purchaser understands
that: (a) the Securities have not been and are not being registered under the Securities Act or any state securities laws, and may not
be offered for sale, sold, assigned or transferred unless (1) subsequently registered thereunder or (2) sold in reliance on an exemption
therefrom; and (b) except as specifically set forth in the Registration Rights Agreement, neither the Company nor any other person is
under any obligation to register the Private Shares under the Securities Act or any state securities laws or to comply with the terms
and conditions of any exemption thereunder. In this regard, each Purchaser understands that the Securities and Exchange Commission has
taken the position that promoters or affiliates of a blank check company and their transferees, both before and after an initial business
combination, are deemed to be “underwriters” under the Securities Act when reselling the securities of a blank check company.
Based on that position, Rule 144 adopted pursuant to the Securities Act would not be available for resale transactions of the Private
Shares despite technical compliance with the certain requirements of such Rule, and the Private Shares can be resold only through a registered
offering or in reliance upon another exemption from the registration requirements of the Securities Act.

 

(viii) Each Purchaser
has such knowledge and experience in financial and business matters, knowledge of the high degree of risk associated with
investments in the securities of companies in the development stage such as the Company, is capable of evaluating the merits and
risks of an investment in the Private Shares and is able to bear the economic risk of an investment in the Private Shares in the
amount contemplated hereunder for an indefinite period of time. The Founders has adequate means of providing for its current
financial needs and contingencies and will have no current or anticipated future needs for liquidity which would be jeopardized by
the investment in the Private Shares. Each Purchaser can afford a complete loss of its investments in the Private Shares.

 

    4

     

    

 

(ix) The Purchaser understands
that the Private Shares shall bear the following legend and appropriate “stop transfer restrictions”:

 

“THE SECURITIES REPRESENTED
HEREBY HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED, 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 SUCH ACT OR SUCH LAWS OR AN EXEMPTION FROM REGISTRATION UNDER SUCH ACT AND SUCH LAWS WHICH, IN THE OPINION
OF COUNSEL, IS AVAILABLE THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO LOCKUP PROVISIONS AND MAY NOT BE OFFERED, SOLD,
TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED OF DURING THE TERM OF THE LOCKUP.”

 

Section 4. Conditions of the Purchasers’
Obligations. The obligations of the Purchasers to purchase and pay for the Private Shares are subject to the fulfillment, on or before
the Closing Dates, of each of the following conditions:

 

A. Representations and Warranties.
The representations and warranties of the Company contained in Section 2 shall be true and correct at and as of the Closing Dates as though
then made.

 

B. Performance. The Company
shall have performed and complied with all agreements, obligations and conditions contained in this Agreement that are required to be
performed or complied with by it on or before the Closing Dates.

 

C. No Injunction. No litigation,
statute, rule, regulation, executive order, decree, ruling or injunction shall have been enacted, entered, promulgated or endorsed by
or in any court or governmental authority of competent jurisdiction or any self-regulatory organization having authority over the matters
contemplated hereby, which prohibits the consummation of any of the transactions contemplated by this Agreement.

 

Section 5. Conditions of the Company’s Obligations.
The obligations of the Company to the Purchasers under this Agreement are subject to the fulfillment, on or before the Closing Dates,
of each of the following conditions:

 

A. Representations and Warranties.
The representations and warranties of the Purchasers contained in Section 3 shall be true and correct at and as of the Closing Dates as
though then made.

 

B. Performance. The Purchasers
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 Purchasers on or before the Closing Dates.

 

C. No Injunction. No
litigation, statute, rule, regulation, executive order, decree, ruling or injunction shall have been enacted, entered, promulgated
or endorsed by or in any court or governmental authority of competent jurisdiction or any self-regulatory organization having
authority over the matters contemplated hereby, which prohibits the consummation of any of the transactions contemplated by this
Agreement.

 

    5

     

    

 

D. Registration Rights Agreement.
The Company shall have entered into the Registration Rights Agreement on terms set forth in the Registration Statement.

 

Section 6. Termination. This Agreement may be
terminated at any time after December 31, 2021 upon the election by either the Company or a Purchaser entitled to purchase a majority
of the Private Shares upon written notice to the other parties if the closing of the Public Offering does not occur prior to such date.

 

Section 7. Survival of Representations and Warranties.
All of the representations and warranties contained herein shall survive the Closing Dates.

 

Section 8. Definitions. Terms used but not otherwise
defined in this Agreement shall have the meaning assigned to such terms in the Registration Statement.

 

Section 9. Miscellaneous.

 

A. Successors and Assigns.
Except as otherwise expressly provided herein, all covenants and agreements contained in this Agreement by or on behalf of any of the
parties hereto shall bind and inure to the benefit of the respective successors of the parties hereto whether so expressed or not. Notwithstanding
the foregoing or anything to the contrary herein, the parties may not assign this Agreement, other than assignments by the Purchasers
to affiliates thereof.

 

B. Severability. Whenever
possible, each provision of this Agreement shall be interpreted in such manner as to be effective and valid under applicable law, but
if any provision of this Agreement is held to be prohibited by or invalid under applicable law, such provision shall be ineffective only
to the extent of such prohibition or invalidity, without invalidating the remainder of this Agreement.

 

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

 

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

 

E. Governing Law. This Agreement
shall be deemed to be a contract made under the laws of the State of New York and for all purposes shall be construed in accordance with
the internal laws of the State of New York.

 

F. Amendments. This letter
agreement may not be amended, modified or waived as to any particular provision, except by a written instrument executed by all parties
hereto.

 

[Signature Page Follows]

 

    6

     

    

 

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

 

	 	

    COMPANY:

	 	 
	 	
    TRADEUP ACQUISITION CORP.

     

	 	By:	/s/ Jianwei Li
	 	Name: 	 Jianwei Li 
	 	Title:	Chairman and Co-Chief Executive Officer

 

	TRADEUP ACQUISITION SPONSOR LLC	 
	 	 	 
	By:	/s/ Jianwei Li           	 
	
    Name: Jianwei Li

    Title: Manager
	 

 

	TRADEUP INC.	 
	 	 	 
	By:	/s/ Xin Song 	 
	
    Name: Xin Song

    Title: Sole Director
	 

  

[Signature Page to the Private
Shares Purchase Agreement-TradeUP Acquisition Corp.]

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