Document:

Exhibit
10.4

 

EMPLOYMENT
AGREEMENT

 

THIS
EMPLOYMENT AGREEMENT (this “‘Agreement”) is dated and effective as of June 25, 2020 (the “Effective
Date”), by and between PROFESSIONAL DIVERSITY NETWORK, INC., a Delaware corporation (the “Company”), and
Xin He (Adam) (“Executive”).

 

RECITALS:

 

Executive
has been offered the position of Chief Executive Officer (“CEO”) of the Company, which is engaged in the business
of developing and operating online networks dedicated to serving diverse professionals in the United States and designing, developing,
and hosting online job boards for clients. The Executive, by virtue of his CEO position, shall be the Company’s “principal
officer” and a Section 16 officer for purposes of Section 16 of the Securities Exchange Act of 1934, as amended.

 

The
Company, through its Board of Directors, has provided its recommendation regarding appropriate compensation and incentive levels for
the CEO position.

 

The
Company and Executive now wish to execute this Agreement, which shall reflect the recommendations and set forth the terms and conditions
of Executive’s employment with the Company.

 

    	 

     

    

 

NOW
THEREFORE, in consideration of the covenants, representations, and warranties contained herein. The parties hereto agree as follows:

 

1.
Employment. The Company hereby employs Executive, and Executive hereby accepts such employment and agrees to serve the Company
upon the terms and conditions set forth in this Agreement.

 

2.
Employment-at-Will. Subject to the remainder of this Agreement, including the provisions of Section 15 below, Executive’s
employment shall be at-will and not subject to a particular timeframe. Executive specifically recognizes and agrees that this Agreement
does not abrogate the at-will employment doctrine or create a right to employment for a specific period of time.

 

3.
Duties and Responsibilities. Executive shall serve as Chief Executive Officer of the Company and shall have such normal and customary
duties and responsibilities commensurate with his position, subject to oversight by the Board of Directors of the Company. Executive
shall devote his best efforts and attention to the business and affairs of the Company and shall diligently, faithfully and competently
perform his duties and responsibilities hereunder; provided however that the foregoing shall not preclude Executive from engaging in
other business endeavors and from spending time and attention with respect thereto and other endeavors, whether business, charitable,
philanthropic or otherwise. Executive
recognizes that his primary responsibility is to the Company, however, Executive shall be permitted to work remotely.

 

4.
Compensation and Related Matters.

 

(a)
Base Salary. The Company shall pay Executive an annual base salary (“Base Salary”) of Two Hundred Thousand
Dollars ($200,000), payable in substantially equal monthly or more frequent installments in accordance with the Company’s normal
and customary payroll practices. The Compensation Committee of the Company’s Board of Directors (the “Compensation Committee”)
shall review and further adjust Executive’s Base Salary on at least an annual basis in its sole and absolute discretion, provided
that during Executive’s employment, the Company may not decrease Executive’s Base Salary below the amount listed in the first
sentence of this section. Any such increased Base Salary shall be and become the “Base Salary” for purposes of this Agreement.

 

(b)
Expense Reimbursement. The Company shall pay or reimburse Executive for all reasonable business expenses properly incurred by
Executive in the ordinary course of performing his duties and responsibilities hereunder, subject to the Company’s normal and customary
practices and policies as are in effect from time to time with respect to travel, entertainment, and other business expenses (including
the Company’s reasonable requirements with respect to prior approval, reporting and documentation of such expenses).

 

(c)
Benefits. The Company will provide or offer for Executive’s participation such benefits as are generally provided or offered
by the Company to its other senior executive officers, including, without limitation, health/major medical insurance, life insurance,
disability insurance and welfare benefits, and other fringe benefits (collectively, “Benefits”), if and to the extent
that Executive is eligible to participate in accordance with the terms of the applicable Benefit plan or program generally and subject
to any required contributions.

 

    	 

     

    

 

(d)
Bonus. Executive shall be eligible for an annual bonus of up to fifty-percent (50%) of his Base Salary, according to the terms
and conditions of a bonus plan that is based upon the financial results achieved by the Company for the fiscal year or such other performance
goals established by the Compensation Committee, in its sole discretion. Such a bonus plan shall be established within ninety (90) days
of the Effective Date of this Agreement. As a condition of receipt of any bonus, Executive must be employed by the Company on the date
such bonus is scheduled to be paid.

 

(e)
Restricted Stock. The Company will cause the Compensation Committee of the Board of Directors of the Company (or such other committee
designated with authority) to grant to Executive a Restricted Stock Award under the Professional Diversity Network, Inc. 2013 Equity
Compensation Plan (“Equity Plan”). The Restricted Stock Award will award Executive with 300,000 restricted shares of the
Company’s Common Stock, subject to the terms and conditions of the Equity Plan. In addition to other terms as provided in the Equity
Plan and the Restricted Stock Award, the Executive’s Restricted Stock Award will provide for vesting as follows: 1/3 immediately
upon grant, 1/3 on the first anniversary of the Effective Date, and the final 1/3 on the second anniversary of the Effective Date; provided,
however, Executive must remain continuously employed by the Company and/or its affiliates through an applicable vesting date or such
Restricted Stock will be forfeited.

 

(f)
Withholding. All Base Salary, bonus, and other compensation described in this Agreement shall be subject to withholding for federal,
state, or local taxes, amounts withheld under applicable Benefit policies or programs, and any other amounts that may be required to
be withheld by law, judicial order, or otherwise.

 

(g)
Paid Time Off. Executive shall receive twenty-five (25) days of Paid Time Off (PTO) per year, and all paid Company holidays in
accordance with Company policy. PTO days shall be used for sick leave, appointments, personal needs, or pre-planned holidays.

 

    	 

     

    

 

5.
Executive Work Product and Inventions. Executive agrees that Inventions (as defined below) shall be deemed “work made for
hire’’ and shall be the property of the Company. Executive shall promptly disclose to the Company all such Inventions and
hereby irrevocably assigns to Company all such Inventions and all such worldwide right, title, and interest therein. Executive hereby
waives and agrees not to assert any moral rights or similar rights under the laws of any jurisdiction with respect to any Inventions.
Executive further agrees to execute or cause to be executed any and all assignment documents or other documents that may be necessary
to perfect the ownership rights of the Company in such Inventions or to secure the Company’s statutory protection (including, without
limitation. patent, trademark, trade secret, or copyright protection) throughout the world for any and all such Inventions. For purposes
here “Invention” means all work product including, without limitation, any and all creative works, discoveries, ideas, inventions,
designs, devices, models, prototypes, processes, works, know how, documentation, files, information, manuals, materials, input materials
and output materials, software programs or packages (together with any related documentation, source code or codes, object codes, upgrades,
revisions, modifications and any related materials) and other information and materials, and the media upon which they are located (including
cards, tapes, discs and other storage facilities), which are conceived, created, developed, reduced to practice, fixed in a tangible
medium of expression or otherwise made by Executive solely or jointly with others in connection with or arising from Executive’s
employment hereunder (whether or not during regular business hours). Notwithstanding the above, the Company shall have no rights in any
inventions made or conceived by ‎Executive that do not involve any equipment, supplies, facilities, or trade ‎secret information
of the Company and which are developed entirely on ‎Executive’s own time unless: (i) the invention relates to the business,
‎products or services of the Company; (ii) the invention relates to actual or ‎demonstrably anticipated research or development
projects of the ‎Company; or (iii) the invention results from any services or work ‎performed by Executive for the Company.‎

 

6.
Confidential Information.

 

(a)
Executive covenants and agrees that, except to the extent the use or disclosure of any Confidential Information is required to carry
out Executive’s assigned duties with the Company, during Executive’s employment with the Company and thereafter: (i) Executive
shall keep strictly confidential and not disclose to any person not employed by the Company any Confidential Information and (ii) Executive
shall not use for Executive or for any other person or entity any Confidential Information. However, this provision shall not preclude
Executive from the use or disclosure of information known generally to the public (other than information known generally to the public
as a result of Executive’s violation of this Section). “Confidential Information” means all confidential, proprietary
or business information related to the Company’s business that is furnished to, obtained by, or created by Executive during Executive’s
employment with the Company and which could be used to harm or compete against the Company. Confidential Information includes, by way
of illustration, such information relating to: (A) the Company’s customers and suppliers, including customer lists, supplier lists,
contact information, contractual terms, prices, and billing histories; (B) the Company’s finances, including financial statements,
balance sheets, sales data, forecasts, profit margins and cost analyses; (C) the Company’s plans and projections for new and developing
business opportunities and for maintaining existing business; and (D) the Company’s operating methods, business processes and techniques,
services, products, prices, costs, service performance, and operating results.

 

    	 

     

    

 

Executive
acknowledges that, notwithstanding any other provision of this Agreement, Executive is: (i) not in any way prohibited from reporting
information to, or participating in any investigation or proceeding conducted by, the U.S. Securities and Exchange Commission (“SEC”),
the Occupational Safety and Health Administration (“OSHA”), or any other federal, state, or local governmental agency or
entity; (ii) not in any way precluded from providing information in response to a valid subpoena, court order, or regulatory request;
(iii) not prohibited from making any other disclosures that are protected under the whistleblower provisions of applicable law; and (iv)
not in any way prohibited ‎ from making truthful statements or disclosures regarding alleged ‎unlawful ‎employment practices‎.
Executive further acknowledges that Executive is not required to obtain any prior authorization of the Company or any other person to
make any such reports or disclosures, and Executive is not required to notify the Company or any other person that such reports or disclosures
have been made.

 

All
property, documents, data, and Confidential Information prepared or collected by Executive as part of Executive’s employment with
the Company, in whatever form, are and shall remain the property of the Company. Executive acknowledges the following disclosure, made
pursuant to federal law, specifically 18 U.S.C. §1833(b):

 

An
individual shall not be held criminally or civilly liable under any federal or state trade secret law for the disclosure of a trade secret
that is made in confidence to a federal, state, or local government official or to an attorney solely for the purpose of reporting or
investigating a suspected violation of law. An individual shall not be held criminally or civilly liable under any federal or state trade
secret law for the disclosure of a trade secret that is made in a complaint or other document filed in a lawsuit or other proceeding,
if such filing is made under seal. An individual who files a lawsuit for retaliation by an employer for reporting a suspected violation
of law may disclose the trade secret to the attorney of the individual and use the trade secret information in the court proceeding,
if the individual files any document containing the trade secret under seal and does not disclose the trade secret, except pursuant to
court order.

 

Executive
acknowledges and agrees that nothing in this Agreement is intended to conflict with 18 U.S.C. §1833(b) or to create liability for
disclosures of trade secrets that are expressly allowed by 18 U.S.C. §1833(b).

 

(b)
Executive acknowledges that he is aware that federal and state securities laws prohibit any person or entity who has material, non-public
information about a publicly-traded company such as the Company from purchasing or selling securities of such company, or from communicating
such information to any other person or entity under circumstances in which it is reasonably foreseeable that such person or entity is
likely to purchase or sell such securities. Executive affirms that he has been presented with a copy of the Company’s Insider Trading
Policy as well as its Code of Ethics and that he agrees to abide by the rules and principles set forth therein.

 

    	 

     

    

 

7.
Non-compete.

 

(a)
During the Restricted Period (as defined below), Executive shall not: (i) engage in Competitive Activity (as defined below) within the
Prohibited Territory (as defined below); or (ii) assist any entity or person to engage in Competitive Activity within the Prohibited
Territory, whether as an owner, franchisee, franchisor, investor, consultant agent or otherwise.

 

(b)
The “Restricted Period” means: (i) the period that Executive is employed by the Company; and (ii) a period of 12 months
following Executive’s last day of employment with the Company and its affiliates (the “Separation Date”). Notwithstanding
the foregoing, in the event that Executive’s employment is terminated by the Company from reasons other than “Cause”
(as hereinafter defined), the Restricted Period shall be 30 days. In addition, nothing herein restricts Executive from continuing the
non-Company work Executive engaged in during the course of this Agreement provided that such work is not a Competitive Activity.

 

(c)
“Competitive Activity” means competing against the Company by:

 

(i)
engaging in work for a competitor of the Company that is the same as or substantially similar to the work Executive performed on behalf
of the Company at any time; (ii) engaging in an aspect of the business of the Company that Executive was involved with on behalf the
Company at any time; and/or (iii) engaging in an aspect of the business of the Company about which Executive received Confidential Information
in the course of employment with the Company at any time. Notwithstanding the preceding, owning less than 5% of the outstanding shares
in a public company shall not constitute by itself Competitive Activity or assisting others to engage in Competitive Activity.

 

(d)
“Prohibited Territory” means the United States.

 

8.
Non-Interference.

 

(a)
During the Restricted Period, Executive shall not: (i) solicit, encourage, or cause any Restricted Customer (as defined below) to purchase
any services or products from anyone other than the Company that are competitive with or a substitute for the services or products offered
by the Company; (ii) sell or provide any services or products to any Restricted Customer that are competitive with or a substitute for
the Company’s services or products; (iii) solicit, encourage, or cause any Restricted Customer not to do business with or to reduce
any part of its business with the Company; (iv) solicit, encourage, or cause any supplier of goods or services to the Company not to
do business with or to reduce any part of its business with the Company; (v) make any disparaging remarks about the Company or its business,
services, affiliates, officers, managers, directors or employees, whether in writing, verbally, or on any online forum, except as may
otherwise be allowed by this Agreement; or (vi) assist anyone else to engage in the conduct prohibited by thisSection.

 

    	 

     

    

 

(b)
“Restricted Customer” means: (i) any Company customer with whom Executive had business contact or communications at
any time; (ii) any Company customer for whom Executive supervised or assisted with the Company’s dealings at any time; and (iii)
any Company customer about whom Executive received Confidential Information in the course of employment with the Company at any time.

 

9.
Non-Raiding. During the Restricted Period, Executive shall not, directly or indirectly: (a) hire as an employee or engage as an
independent contractor any person employed by the Company with whom Executive worked while employed by the Company or about whose abilities
Executive became aware while employed by the Company (each, a “Restricted Employee”); or (b) solicit any Restricted
Employee to leave the Company (other than by the use of non-targeted general solicitation in media).

 

10.
Reasonableness. Executive has carefully read and considered the provisions of this Agreement and, having done so, agrees that
the restrictions set forth herein are fair, reasonable, and necessary to protect the Company’s legitimate business interests, including
its goodwill with its customers, suppliers and employees and its Confidential Information and trade secrets. In addition, Executive acknowledges
and agrees that the foregoing restrictions do not unreasonably restrict Executive with respect to earning a living should Executive’s
employment with the Company end. The post-employment covenants in this Agreement shall survive Executive’s last day of employment
with the Company and its affiliates and shall be in addition to any restrictions imposed upon Executive by statute, at common law, or
other written agreements. Executive agrees that the Company may share the terms of this Agreement with any business with which Executive
becomes associated while any of the post-employment restrictions in this Agreement remain in effect.

 

11.
Remedies. Executive acknowledges and agrees that Executive’s breach of this Agreement would result in irreparable damage
and continuing injury to the Company. Therefore, in the event of any breach or threatened breach of this Agreement, the Company shall
be entitled to an injunction enjoining Executive from committing any violation or threatened violation of this Agreement without limiting
the Company’s other remedies. The Company shall not be required to post a bond to obtain such an injunction.

 

12.
Protections for Certain Affiliates. For purposes of the restrictions in Section 5 (Executive Work Product and Inventions), 6 (Confidential
Information), 7 (Non-Compete), 8 (Non-Interference), 9 (Non-Raiding), 10 (Reasonableness) 11 (Remedies) and 15(e) (Return of Property),
the “Company” shall mean: (a) Professional Diversity Network, Inc.; (b) any parent, subsidiary, affiliate or successor (each,
an ‘“Affiliate”) of Professional Diversity Network, Inc. for or with whom Executive performed any services or had any
work responsibilities at any time; and

 

(a)
any Affiliate of Professional Diversity Network, Inc. whose Confidential Information was disclosed to Executive at any time during the
restricted period.

 

    	 

     

    

 

13.
Prior Employer’s Information. While employed by the Company and its affiliates, Executive shall not: (a) breach any obligation
of confidentiality that Executive may owe to a third party; or (b) disclose or use any trade secrets belonging to a third party. In order
to ensure compliance with the foregoing. Executive agrees not to refer to, use or disclose in the course of employment with the Company
any information, documents, or data belonging to a competitor or former employer that are not readily available to the public. Executive
shall immediately notify the Company’s human resources department if Executive receives any communication from a third party regarding
Executive’s confidentiality or similar obligations to them. The terms in this section shall be in addition to, and not limit, Executive’s
obligations to the Company and its affiliates under other agreements and policies related to this issue.

 

14.
Notice to Future Employers. Executive agrees that during the Restricted Period, Executive will notify the Company in writing of
any subsequent occupation whether as owner, employee, officer, director, agent, consultant, independent contractor, or the like, and
his duties and responsibilities in that position. Further, Executive agrees that during said period, he will inform each new employer,
prior to accepting employment, of the existence of this Agreement and the terms of the restrictive covenants and confidentiality restrictions
contained herein. Executive acknowledges that during said period the Company shall have the right to contact independently any potential
or actual future employer of Executive to notify it of Executive’s obligations under this Agreement and provide such employer with
a copy of this Agreement. The Company shall also be entitled, at its election, to notify any such actual or potential employer of the
Company’s understanding of the requirements of this Agreement and what steps, if any, the Company intends to take to ensure compliance
with or enforcement of this Agreement. Failure of the Company to avail itself of the benefits of this subsection shall not in any way
affect its right to obtain enforcement of any provision of this Agreement.

 

15.
Termination.

 

(a)
Termination by the Company for Cause. The Company shall have the right to terminate Executive’s employment hereunder for
Cause, which shall be communicated by a “Notice of Termination” (as defined below), effective immediately. Notwithstanding
anything to the contrary contained herein, if Executive’s employment is terminated other than pursuant to this Section 15(a), after
which the Company determines that Executive’s acts or omissions would have constituted grounds to terminate Executive for Cause,
then Executive shall be deemed to have been terminated for Cause pursuant to this Section 15(a); provided that, such determination shall
be made following the procedure contemplated by the Notice of Termination procedures set forth below. In the event of such termination,
then the Company shall pay to Executive his then current Base Salary and Benefits accrued, and any expenses for which Executive is entitled
to be reimbursed, up to and including the effective date of such termination. Executive shall not be entitled to any other salary, bonus,
benefits or other compensation as a result of termination pursuant to this Section 15(a). For purposes hereof, “Cause”
means the occurrence of any one of the following on the part of Executive: (i) conviction of or a plea of nolo contendre to a
felony or act of moral turpitude which affects or reflects on the Company or any Affiliate in a material and negative manner; (ii) attempted
or actual theft, fraud or embezzlement of money or tangible or intangible assets or property of the Company or any Affiliate; (iii) gross
negligence or willful misconduct in respect of Executive’s performance of his duties and responsibilities to the Company or any
Affiliate; or (iv) breach of any material term, covenant, representation or warranty contained in this Agreement, which such breach (if
susceptible to cure) remains uncured or is repeated following fifteen (15) days written notice from the Company to Executive thereof.

 

    	 

     

    

 

For
purposes of this Agreement, a “Notice of Termination” shall mean delivery to Executive of a copy of a resolution duly
adopted by the affirmative vote of not less than a majority of the entire membership of the Board (excluding the Executive) at a meeting
of the Board called and held for the purpose (after reasonable notice to Executive and reasonable opportunity for Executive, together
with Executive’s counsel, to be heard before the Board prior to such vote), finding that in the good faith opinion of the Board
Executive was guilty of conduct set forth in this Section 15(a) and specifying the particulars thereof in reasonable detail. For purposes
of clarity, the Notice of Termination may occur after Executive’s employment has been terminated in the event the Company determines
that Executive’s acts or omissions would have constituted grounds to terminate Executive for Cause, as contemplated above.

 

(b)
Termination as a Result of Executive’s Disability or Death. The Company shall have the right to terminate Executive’s
employment hereunder in the event of Executive’s Disability or death, effective immediately. In the event of such termination.
then the Company shall pay to Executive (or his legal representative) Executive’s then current Base Salary and Benefits accrued,
and any expenses for which Executive is entitled to be reimbursed, up to and including the effective date of such termination. Executive
shall not be entitled to any other salary, bonus, benefits or other compensation as a result of termination pursuant to this Section
15(b). For purposes hereof. “Disability’’ means the inability of Executive to substantially perform his duties
and responsibilities to the Company by reason of a physical or mental disability or infirmity (i) for a continuous period of ninety (90)
days or for at least 180 days in any consecutive twelve (12) month period or (ii) at such earlier time as Executive submits or the Company
receives satisfactory medical evidence that Executive has a physical or mental disability or infirmity which will likely prevent him
from returning to the performance of his work duties for ninety (90) days or longer. In the event of any dispute regarding the determination
of Executive’s Disability, such determination shall be made by a physician selected by the Company and reasonably acceptable to
Executive, at the Company’s sole expense; provided, however, that Executive’s Disability shall be conclusively presumed if
such determination is made by an insurer providing disability insurance coverage to Executive or the Company in respect of Executive.

 

(c)
Termination by the Company Without Cause. The Company or Employee may terminate Executive’s employment hereunder for any
reason (or for no reason) whatsoever, effective upon 30 days’ advanced written notice to Executive. The Company, in lieu of providing
advanced written notice, may terminate Executive immediately and pay Executive his Base Salary for the 30-day period. In the event of
such termination by the Company (i.e., a termination other than by reason of death, Disability or for Cause), then the Company shall
pay to Executive: (a) the bonus attributable to any completed fiscal year which has accrued, but has not yet been paid, payable when
such bonus is normally paid by the Company; (b) a pro rata bonus for the fiscal year in which Executive’s employment terminates,
based on the Company’s actual performance during the pro-rated period and payable within 75 days of the date of Executive’s
termination; (c) Executive’s Base Salary earned to the date of termination; (d) Benefits accrued to the date of termination; and
(e) any expenses for which Executive is entitled to be reimbursed up to and including the date of such termination.

 

(d)
Removal From Positions. Any termination of Executive’s employment with the Company shall automatically effectuate Executive’s
removal from any and all officer and other positions that Executive then holds with the Company or any of its Affiliates as of the effective
termination date.

 

(e)
Return of Property. Immediately upon the Company’s request or on the termination date of Executive’s employment—whichever
occurs first, Executive shall return to the Company all Confidential Information and any other property of the Company, its Affiliates,
or any third parties which is in Executive’s possession or control by virtue of his employment with the Company. Property to be
returned to the Company shall include without limitation, all documents and things (whether in tangible or electronic format and whether
such documents or things contain any Confidential Information) in Executive’s possession or control, further including without
limitation, all computer programs, files and diskettes, and all written or printed files, manuals, contracts, memoranda. forms, notes,
records and charts, and any and all copies of or extracts from, any of the foregoing.

 

    	 

     

    

 

16.
Assignment. The parties acknowledge and agree that the covenants, terms, and provisions contained in this Agreement constitute
a personal employment contract and the rights and obligations of the parties hereunder cannot be transferred, sold, assigned, pledged
or hypothecated, excepting that the Company may assign this Agreement in connection with a sale of the business, merger, consolidation,
share exchange, sale of substantially all of the Company’s assets. or other reorganization, whether or not the Company is the continuing
entity, provided that the assignee is the successor to the business and all or substantially all of the assets of the Company.

 

17.
Severability. If any one or more of the provisions or parts of a provision contained in this Agreement shall, for any reason,
be held to be invalid, illegal or unenforceable in any respect in any jurisdiction, such invalidity, illegality or unenforceability shall
not affect (a) any other provision or part of a provision of this Agreement or (b) this Agreement’s validity, legality and enforceability
in any other jurisdiction, but this Agreement shall be reformed and construed in any such jurisdiction as if such invalid or illegal
or unenforceable provision or part of a provision had never been contained herein and such provision or part shall be reformed so that
it would be valid, legal and enforceable to the maximum extent permitted in such jurisdiction.

 

18.
Governing Law; Venue. This Agreement shall be covered by, construed, applied and reinforced in accordance with the internal laws
of the State of Illinois, without regard to conflicts of law provisions. The parties agree that any action or proceeding to enforce or
arising out of this Agreement shall be commenced in the state courts, or in the United States District Court, in Chicago, Illinois. The
parties consent to such jurisdiction, agree that venue will be proper in such courts and waive any objections based upon Forum Non Conveniens.
The choice of forum set forth in this section shall not be deemed to preclude the enforcement of any action under this Agreement in any
other jurisdiction.

 

19.
Continuing Obligation. The covenants, obligations, duties and liabilities of Executive pursuant to this Agreement (including.
and without limitation, the covenants set forth in Sections 5 through 9 of this Agreement) are continuing, absolute and unconditional
and shall remain in full force and effect as provided herein.

 

20.
Indemnification. The Company shall include Executive in the coverage provided by its executive director and officer (D&O)
indemnity insurance policy. In addition, the Company shall indemnify Executive to the fullest extent permitted by Delaware law, consistent
with the Company’s Certificate of Incorporation and By-laws.

 

21.
Attorneys’ Fees. If any party brings any suit, action or claim to enforce the provisions of this Agreement, the prevailing
party shall be entitled to seek reasonable attorneys’ fees and litigation expenses in addition to court costs.

 

22.
Waiver. The waiver by the Company or Executive of any breach of any term or condition of this Agreement shall not be deemed to
constitute the waiver of any other breach of the same or any other term or condition hereof.

 

    	 

     

    

 

23.
Notices. Any notice, request, consent or communication under this Agreement shall be effective only if it is in writing and shall
be deemed to have been given when personally delivered or three (3) days after being deposited in the United States mail, certified or
registered, postage prepaid. return receipt requested and addressed to the party at its or his last known address. The address of any
party may be changed by notice in writing to the other party duly served in accordance with this Section.

 

24.
Section 409A. The intent of the parties is that payments and benefits under this Agreement be exempt from, and to the extent not
exempt from, comply with Internal Revenue Code Section 409A and the regulations and guidance promulgated thereunder (collectively “Code
Section 409A’’) and, accordingly, to the maximum extent permitted, this Agreement shall be interpreted in accordance
with such intent. To the extent that any provision hereof is modified in order to comply with Code Section 409A, such modification shall
be made in good faith and shall. to the maximum extent reasonably possible, maintain the original intent and economic benefit to Executive
and the Company of the applicable provision without violating the provisions of Code Section 409A. In no event whatsoever shall the Company
be liable for any additional tax, interest or penalty that may be imposed on Executive by Code Section 409A or damages for failing to
comply with Code Section 409A. Without limiting the generality of the foregoing, the Company and the Executive agree as follows:

 

(a)
Reimbursements payable to Executive hereunder shall be paid in no event later than the end of the calendar year following the year in
which the reimbursable expense is incurred. In addition, such reimbursements shall be made in a manner that complies with all the requirements
of Treasury Regulation Section 1.409A- 3(i)(1)(iv). In no event shall reimbursements and payments provided under the

 

Agreement
be subject to liquidation or exchange in a manner which violates Treasury Regulation Section 1.409A-3(i)(1)(iv).

 

(b)
A termination of employment shall not be deemed to have occurred for purposes of any provision of this Agreement providing for the payment
of any amounts or benefits upon or following a termination of employment unless such termination is also a “separation from service”
within the meaning of Code Section 409A and, for purposes of any such provision of this Agreement, references to a “termination,’’
“termination of employment” or like terms shall mean “separation from service.”

 

(c)
Notwithstanding any other payment schedule provided herein to the contrary, if Executive is deemed on the date of termination to be a
“specified employee’’ within the meaning of that term under Code Section 409A(a)(2)(B), then each of the following
shall apply:

 

(i)
With regard to any payment that is considered “nonqualified deferred compensation’’ under Code Section 409A payable
on account of a “‘separation from service,” such payment shall be made on the date which is the earlier of

 

    	 

     

    

  

(A)
the expiration of the six (6)-month period measured from the date of such ““separation from service” of Executive,
and (B) the date of Executive’s death (the “Delay Period”) to the extent required under Code Section 409A. Upon
the expiration of the Delay Period, all payments delayed pursuant to this Section (whether they would have otherwise been payable in
a single sum or in installments in the absence of such delay) shall be paid to Executive in a lump sum, and all remaining payments due
under this Agreement shall be paid or provided in accordance with the normal payment dates specified for them herein; and

 

(ii)
To the extent that benefits to be provided during the Delay Period are considered “‘nonqualified deferred compensation’’
under Code Section 409A provided on account of a “separation from service” and such benefits are not otherwise exempt from
Code Section 409A. Executive shall pay the cost of such benefits during the Delay Period, and the Company shall reimburse Executive,
to the extent that such costs would otherwise have been paid by the Company or to the extent that such benefits would otherwise have
been provided by the Company at no cost to Executive, the Company’s share of the cost of such benefits upon expiration of the Delay
Period, and any remaining benefits shall be reimbursed or provided by the Company in accordance with the procedures specified herein.

 

(d)
To the extent that severance payments or benefits pursuant to this Agreement are conditioned upon the execution and delivery by Executive
of a release of claims. Executive shall forfeit all rights to such payments and benefits unless such release is signed and delivered
(and no longer subject to revocation, if applicable) within sixty (60) days following the date of Executive’s termination of employment.
If the foregoing release is timely executed and delivered and no longer subject to revocation as provided in the preceding sentence,
then the following shall apply:

 

(i)
To the extent that any such cash payment or continuing benefit to be provided is not “nonqualified deferred compensation”
for purposes of Code Section 409A, then such payment or benefit shall commence upon the first scheduled payment date immediately following
the date that the release is executed, delivered and no longer subject to revocation (the “Release Effective Date”)
The first such cash payment shall include payment of all amounts that otherwise would have been due prior to the Release Effective Date
under the terms of this Agreement applied as though such payments commenced immediately upon Executive’s termination of employment,
and any payments made thereafter shall continue as provided herein. The delayed benefits shall in any event expire at the time such benefits
would have expired had such benefits commenced immediately following Executive’s termination of employment.

 

    	 

     

    

 

(ii)
Subject to Section 24(c)(i). to the extent that any such cash payment or continuing benefit to be provided is “nonqualified deferred
compensation’’ for purposes of Code Section 409A, then such payments or benefits shall be made or commence upon the sixtieth
(60th) day following Executive’s termination of employment. The first such cash payment shall include payment of all amounts that
otherwise would have been due prior thereto under the terms of this Agreement had such payments commenced immediately upon Executive’s
termination of employment and any payments made thereafter shall continue as provided herein. The delayed benefits shall in any event
expire at the time such benefits would have expired had such benefits commenced immediately following Executive’s termination of
employment.

 

(A)
The Company may provide, in its sole discretion. that Executive may continue to participate in any benefits delayed pursuant to this
Section 24(d) during the period of such delay, provided that Executive shall bear the full cost of such benefits during such delay period.
Upon the date such benefits would otherwise commence pursuant to this Section 22(d). the Company may reimburse Executive the Company
share of the cost of such benefits, to the extent that such costs would otherwise have been paid by the Company or to the extent that
such benefits would otherwise have been provided by the Company at no cost to Executive, in each case, had such benefits commenced immediately
upon Executive’s termination of employment. Any remaining benefits shall be reimbursed or provided by the Company in accordance
with the schedule and procedures specified herein.

 

(e)
For purposes of Code Section 409A, Executive’s right to receive any installment payments pursuant to this Agreement shall be treated
as a right to receive a series of separate and distinct payments. Whenever a payment under this Agreement specifies a payment period
with reference to a number of days, the actual date of payment within the specified period shall be within the sole discretion of the
Company.

 

(f)
Notwithstanding any other provision of this Agreement to the contrary, in no event shall any payment under this Agreement that constitutes
“nonqualified deferred compensation’’ for purposes of Code Section 409A be subject to offset by any other amount unless
otherwise permitted by Code Section 409A.

 

25.
Miscellaneous. This Agreement may be executed in two or more counterparts (including via facsimile), each of which shall be deemed
an original. but all of which together shall constitute one and the same instrument. The section headings contained in this Agreement
are for reference purposes only and shall not affect in any way the meaning or interpretation of this Agreement.

 

26.
Entire Agreement. This Agreement contains the entire agreement of the parties with respect to the subject matter herein and supersedes
any prior written or oral agreements or understandings between the parties with respect to the subject matter herein, including any employment
agreements or offer letters.

 

[Signature
page follows]

 

    	 

     

    

 

IN
WITNESS WHEREOF, the parties hereto have made and entered into this Employment Agreement this date first hereinabove set forth.

 

	 	THE
    COMPANY
	 	 
	 	PROFESSIONAL
    DIVERSITY NETWORK, INC.
	 	 	                 
	 	By:
    	               
	 	Name:	 
	 	Its:	 

 

	EXECUTIVE	 
	 	                	 
	By:
    	         	 
	 	 	 
	Xin
    He (Adam)EX-4.3

   

  Exhibit 4.3

  DESCRIPTION OF THE REGISTRANT’S SECURITIES 

  REGISTERED PURSUANT TO SECTION 12 OF 

  THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED 

  Spero Therapeutics, Inc. (the “Company” or “we”) has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). 

  DESCRIPTION OF COMMON STOCK

  We are authorized to issue 120,000,000 shares of common stock, par value $0.001 per share. As of December 31, 2021, we had 32,393,738 shares of common stock outstanding.

  The following description of our common stock is a summary and does not purport to be complete. You should refer to our amended and restated certificate of incorporation, as amended, which we refer to as our amended and restated certificate of incorporation, and our amended and restated bylaws, both of which are incorporated by reference as exhibits to the Company’s Annual Report on Form 10-K of which this exhibit is a part. The summary below is also qualified by provisions of applicable law.

  General

  We are authorized to issue one class of common stock. Holders of our common stock are entitled to one vote for each share of common stock held of record for the election of directors and on all matters submitted to a vote of stockholders. Holders of our common stock are entitled to receive dividends ratably, if any, as may be declared by our board of directors out of legally available funds, subject to any preferential dividend rights of any preferred stock then outstanding. Upon our dissolution, liquidation or winding up, holders of our common stock are entitled to share ratably in our net assets legally available after the payment of all our debts and other liabilities, subject to the preferential rights of any preferred stock then outstanding. Holders of our common stock have no preemptive, subscription, redemption or conversion rights. The rights, preferences and privileges of holders of common stock are subject to, and may be adversely affected by, the rights of the holders of shares of any series of preferred stock that are currently designated and issued or that we may designate and issue in the future. Except as described under “Certain Provisions of Delaware Law and of the Company’s Certificate of Incorporation and Bylaws-Anti-Takeover Provisions” below, a majority vote of the holders of common stock is generally required to take action under our amended and restated certificate of incorporation and amended and restated bylaws.

  Transfer Agent and Registrar

  The transfer agent and registrar for our common stock is Computershare Trust Company, N.A.

  Stock Exchange Listing

  Our common stock is listed for quotation on The Nasdaq Global Select Market under the symbol “SPRO.”

  CERTAIN PROVISIONS OF DELAWARE LAW AND

  OF THE COMPANY’S CERTIFICATE OF INCORPORATION AND BYLAWS

  Anti-Takeover Provisions

  Delaware Law

  We are subject to Section 203 of the Delaware General Corporation Law. Subject to certain exceptions, Section 203 prevents a publicly held Delaware corporation from engaging in a “business combination” with any “interested stockholder” for three years following the date that the person became an interested stockholder, unless the interested stockholder attained such status with the approval of our board of directors or unless the business combination is approved in a prescribed manner. A “business combination” includes, among other things, a merger 

   

  

   

  or consolidation involving us and the “interested stockholder” and the sale of more than 10% of our assets. In general, an “interested stockholder” is any entity or person beneficially owning 15% or more of our outstanding voting stock and any entity or person affiliated with or controlling or controlled by such entity or person.

  Charter Documents

  In accordance with our amended and restated certificate of incorporation, our board is divided into three classes serving three-year terms, with one class being elected each year. The provision for a classified board could prevent a party who acquires control of a majority of our outstanding voting stock from obtaining control of the our board of directors until the second annual stockholders meeting following the date the acquirer obtains the controlling stock interest. Our classified board provision could also discourage a potential acquirer from making a tender offer or otherwise attempting to obtain control of us and could increase the likelihood that incumbent directors will retain their positions.

  Our amended and restated certificate of incorporation also provides that directors may be removed only for cause and then only by the affirmative vote of the holders of 75% or more of the shares then entitled to vote at an election of directors. Furthermore, any vacancy on our board of directors, however occurring, including a vacancy resulting from an increase in the size of our board, may only be filled by the affirmative vote of a majority of our directors then in office, even if less than a quorum.

  As required by the Delaware General Corporation Law, any amendment of our amended and restated certificate of incorporation must first be approved by a majority of our board of directors and, if required by law or our amended and restated certificate of incorporation, thereafter be approved by a majority of the outstanding shares entitled to vote on the amendment, and a majority of the outstanding shares of each class entitled to vote thereon as a class, except that the amendment of the provisions relating to stockholder action, directors, limitation of liability, exclusive jurisdiction of Delaware Courts and the amendment of our amended and restated bylaws and amended and restated certificate of incorporation must be approved by not less than 75% of the outstanding shares entitled to vote on the amendment, and not less than 75% of the outstanding shares of each class entitled to vote thereon as a class. Our amended and restated bylaws may be amended by the affirmative vote of a majority of the directors then in office, subject to any limitations set forth in our amended and restated bylaws; and may also be amended by the affirmative vote of at least 75% of the outstanding shares entitled to vote on the amendment, or, if our board of directors recommends that the stockholders approve the amendment, by the affirmative vote of the majority of the outstanding shares entitled to vote on the amendment, in each case voting together as a single class. These provisions could discourage a potential acquirer from making a tender offer or otherwise attempting to obtain control of us and could delay changes in management.

  Our amended and restated bylaws establish advance notice procedures with regard to stockholder proposals relating to the nomination of candidates for election as directors or new business to be brought before meetings of our stockholders. These procedures provide that notice of stockholder proposals must be timely given in writing to our corporate secretary prior to the meeting at which the action is to be taken. Generally, to be timely, notice must be received at our principal executive offices not less than 90 days or more than 120 days prior to the first anniversary date of the annual meeting for the preceding year. The notice must contain certain information specified in our amended and restated bylaws. These provisions may have the effect of precluding the conduct of certain business at a meeting if the proper procedures are not followed. These provisions may also discourage or deter a potential acquirer from conducting a solicitation of proxies to elect the acquirer’s own slate of directors or otherwise attempting to obtain control of our company.

  Our amended and restated bylaws provide that only the board of directors, the chairman of the board of directors or the chief executive officer may call special meetings of stockholders and only those matters set forth in the notice of the special meeting may be considered or acted upon at a special meeting of stockholders. Our amended and restated bylaws limit the business that may be conducted at an annual meeting of stockholders to those matters properly brought before the meeting. The restriction on the ability of our stockholders to call a special meeting means that a proposal to replace one or more directors on our board of directors also could be delayed until the next annual meeting.

   

  

   

  Our amended and restated certificate of incorporation also provides that all stockholder actions are required to be taken by a vote of the stockholders at an annual or special meeting, and that stockholders may not take any action by written consent in lieu of a meeting. Without the availability of stockholder action by written consent, a holder controlling a majority of our capital stock would not be able to amend our amended and restated bylaws or remove directors without holding a stockholders’ meeting.

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