Document:

EX-10.1

 Exhibit 10.1 

EMPLOYMENT AGREEMENT 

THIS EMPLOYMENT AGREEMENT is made and entered into as of March 22, 2016 (the “Effective Date”), by and between Reliant
Bank, a banking corporation organized under the laws of the State of Tennessee (“Bank” or “Employer”), and Wallace E. Gammon, Jr., a resident of the State of Tennessee (“Executive”). Bank and
Executive are sometimes referred to herein collectively as the “Parties,” and each is sometimes referred to herein individually as a “Party.” 

R E C I T A L S 

A. Bank desires to employ Executive as Executive Vice President, Director of Operations of Bank, and Executive desires to accept such
employment. 
 B. The Parties desire to set forth in this Agreement the terms and conditions upon which Executive will be so employed. 

NOW THEREFORE, in consideration of the premises set forth above, the mutual agreements hereinafter set forth, and other good and valuable
consideration the receipt and sufficiency of which are hereby acknowledged, effective as of the Effective Date, the Parties hereby agree as follows: 

1. Definitions . Whenever used in this Agreement, the following terms and their variant forms shall have the meanings set forth below:

 (a) “Affiliate” shall mean any person that controls, is controlled by, or is under common control with another person.
For this purpose, “control” means ownership of more than 50% of the ordinary voting power of the outstanding equity securities of a person. The Parties acknowledge that, for purposes of this Agreement, Bank and the Company will be
considered Affiliates. 
 (b) “Agreement” shall mean this Employment Agreement and any appendices incorporated herein
together with any amendments hereto made in the manner described in this Agreement. 
 (c) “Area” shall mean, during the
period of Executive’s employment, a radius of 75 miles from each banking office (whether a main office, branch office, or loan or deposit production office) maintained by Bank and/or its Affiliates from time to time during the period of
Executive’s employment, and, following the period of Executive’s employment, a radius of 75 miles from each banking office (whether a main office, branch office, or loan or deposit production office) maintained by Bank and/or its
Affiliates as of the last day of Executive’s employment. 
 (d) “Board of Directors” shall mean the board of directors
of Bank and, where appropriate, any committee or designee thereof. 
 (e) “Business of Employer” shall mean the business
conducted by Employer, which is the business of commercial and consumer banking. 
 (f) “Cause” shall mean: 

(i) In the context of the termination of this Agreement by Employer: 

(A) a breach of the terms of this Agreement by Executive not cured by Executive within 10 business days after his receipt of Employer’s
written notice thereof, including without limitation failure by Executive to perform Executive’s duties and responsibilities in the manner and to the extent required under this Agreement; 

 (B) any act by Executive of fraud against, misappropriation from, or dishonesty to Employer or
any Affiliate of Employer; 
 (C) the arrest of Executive for, charge of Executive with, or conviction of Executive of any crime; 

(D) conduct by Executive that amounts to willful misconduct, gross neglect, or a material failure to perform Executive’s duties and
responsibilities hereunder, including prolonged absences without the written consent of the Board of Directors; provided that the nature of such conduct shall be set forth with reasonable particularity in a written notice to Executive who
shall have 10 business days following delivery of such notice to cure such alleged conduct, provided that such conduct is, in the reasonable discretion of the Board of Directors, susceptible to a cure; 

(E) the exhibition by Executive of a standard of behavior within the scope of or related to his employment that is in violation of any written
policy or code of Employer or any Affiliate of Employer; provided that the nature of such behavior shall be set forth with reasonable particularity in a written notice to Executive who shall have 10 business days following delivery of such
notice to cure such alleged behavior, provided that such behavior is, in the reasonable discretion of the Board of Directors, susceptible to a cure; 

(F) conduct or behavior by Executive that, in the reasonable opinion of the Board of Directors, has harmed or could be expected to harm the
business or reputation of Employer, including without limitation conduct or behavior that is unethical or involves moral turpitude; 
 (G)
receipt of any form of written notice that any regulatory agency or authority having jurisdiction over Employer or any Affiliate of Employer has instituted any form of regulatory action against Executive; or 

(H) Executive’s removal from office and/or permanent prohibition from participating in the conduct of Employer’s affairs by an order
issued under Section 8(e) or Section 8(g) of the Federal Deposit Insurance Act (12 U.S.C. § 1818(e) and (g)). 
 (ii) In
the context of the termination of this Agreement by Executive: 
 (A) a material reduction in the scope of Executive’s duties and
responsibilities which is not consented to by Executive in writing; 
 (B) a material reduction, when considered in the aggregate, in the
salary and other compensation and benefits provided for in Section 4 hereof from the level in effect immediately prior to such reduction, which is not consented to by Executive in writing; or 

(C) a change in the location of Executive’s primary office such that Executive is required to report regularly to an office located
outside of a 75-mile radius from the location of Executive’s primary office as of the Effective Date, which change is not consented to by Executive in writing. 

(g) “Change of Control” shall mean: 

  
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 (i) the acquisition by any person or persons acting in concert (other than any current
officer(s) and/or director(s) of Employer or any Affiliate of Employer) of the then outstanding voting securities of Company, if, after the transaction, the acquiring person or persons own, control, or hold with power to vote 25% or more of the then
outstanding voting securities of Company; 
 (ii) if, within any 12-month period (beginning on or after the Effective Date), the persons who
were directors of Company immediately before the beginning of such 12-month period (the “Incumbent Directors”) shall cease to constitute at least a majority of the members of the board of directors of Company; provided that
(A) any director who was not a director as of the Effective Date shall be deemed to be an Incumbent Director if that director was elected to the board of directors of Company by, or on the recommendation of or with the approval of, at least
two-thirds of the directors who then qualified as Incumbent Directors, and (B) no director whose initial assumption of office is in connection with an actual or threatened election contest (as such terms are used in Rule 14a-11 of Regulation
14A promulgated under the Securities Exchange Act of 1934, as amended) relating to the election of directors shall be deemed to be an Incumbent Director; 

(iii) a reorganization, merger, or consolidation with respect to which persons who were shareholders of Company immediately prior to such
reorganization, merger, or consolidation do not immediately thereafter own more than 50% of the combined voting power of the reorganized, merged, or consolidated company’s then outstanding voting securities entitled to vote in the election of
directors; or 
 (iv) the sale, transfer, or assignment of all or substantially all of the assets of Company or Bank to any third party.

 (h) “Code” shall mean the Internal Revenue Code of 1986, as amended, and the rules and regulations promulgated
thereunder. 
 (i) “Company” shall mean Commerce Union Bancshares, Inc., a Tennessee corporation. 

(j) “Competing Business” shall mean any person (other than an Affiliate of Employer) that is conducting any business that is
the same or substantially the same as the Business of Employer. 
 (k) “Confidential Information” means data and information
relating to the business of Employer and/or any Affiliate of Employer (which does not rise to the status of a Trade Secret) which is or has been disclosed to Executive or of which Executive became aware as a consequence of or through
Executive’s relationship with Employer and/or any Affiliate of Employer and which has value to Employer and/or any Affiliate of Employer and is not generally known to its or their competitors. Confidential Information shall not include any data
or information that has been voluntarily disclosed to the public by Employer or any Affiliate of Employer (provided that no such public disclosure shall be deemed to be voluntary when made without authorization by Executive or any other
employee of Employer) or that has been independently developed and disclosed by others or that otherwise enters the public domain through lawful means. 

(l) “Disability” shall mean the inability of Executive to perform each of his duties and responsibilities under this Agreement
for the duration of the short-term disability period provided for under Employer’s policy then in effect as certified by a physician selected by Employer; provided that the Parties agree that, to the extent necessary to comply with
Section 409A of the Code, the definition of “Disability” hereunder shall be amended to the definition of disability required by Section 409A. 

  
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 (m) “Employer Information” shall mean, collectively, Confidential Information
and Trade Secrets. 
 (n) “Post-Termination Period” shall mean a period of 12 months following the effective date of the
termination of Executive’s employment. 
 (o) “Trade Secrets” shall mean information of Employer or any Affiliate of
Employer, including without limitation technical or nontechnical data, formulas, patterns, compilations, programs, devices, methods, techniques, drawings, processes, financial data, financial plans, product plans, and lists of actual or potential
customers, prospects, or suppliers, which: 
 (i) derives economic value, actual or potential, from not being generally known to, and not
being readily ascertainable by proper means by, other persons who can obtain economic value from its disclosure or use; and 
 (ii) is the
subject of efforts that are reasonable under the circumstances to maintain its secrecy. 
 2. Executive Duties. 

(a) Position(s). Executive shall be employed as Executive Vice President, Director of Operations of Bank and shall perform and discharge
faithfully the duties and responsibilities which may be assigned to Executive from time to time in connection with the conduct of the Business of Employer. The duties and responsibilities of Executive shall be commensurate with those of individuals
holding similar positions at other banks similarly organized. Executive shall report directly to the President of Bank. 
 (b) Full-Time
Status. In addition to the duties and responsibilities specifically assigned to Executive pursuant to Section 2(a) hereof, Executive shall: 

(i) subject to Section 2(c) hereof, during regular business hours, devote substantially all of Executive’s time, energy,
attention, and skill to the performance of the duties and responsibilities of Executive’s employment (reasonable vacations, approved leaves of absence, and reasonable absences due to illness excepted) and faithfully and industriously perform
such duties and responsibilities; 
 (ii) diligently follow and implement all reasonable and lawful policies and decisions communicated to
Executive by the President of Bank; and 
 (iii) timely prepare and forward to the President of Bank all reports and accountings as may be
requested of Executive. 
 (c) Permitted Activities. Executive shall devote substantially all of Executive’s entire business
time, attention, and energies to the Business of Employer and shall not during the Term be engaged (whether or not during normal business hours) in any other significant business or professional activity, whether or not such activity is pursued for
gain, profit, or other pecuniary advantage, but, as long as the following activities do not interfere with Executive’s obligations to Employer, this shall not be construed as preventing Executive from: 

  
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 (i) investing Executive’s personal assets in any manner which will not require any services
on the part of Executive in the operation or affairs of the subject entity and in which Executive’s participation is solely that of an investor; provided that such investment activity following the Effective Date shall not result in
Executive owning beneficially at any time 2% percent or more of the equity securities of any Competing Business; or 
 (ii) participating in
civic and professional affairs and organizations and conferences, preparing or publishing papers or books, or teaching, so long as any such activities do not interfere with the ability of Executive to effectively discharge his duties hereunder;
provided that the Board of Directors may direct Executive in writing to resign from any such organization and/or cease any such activities should the Board of Directors reasonably conclude that continued membership and/or activities of the
type identified would not be in the best interests of Employer. 
 3. Term of Employment. The initial term of this Agreement (the
“Initial Term”), and the Parties’ employment relationship, shall commence on and as of the Effective Date and, unless this Agreement is sooner terminated in accordance with its terms, shall end on the date which is the first
anniversary of the Effective Date. At the end of the Initial Term (and the end of any one-year renewal term) this Agreement will automatically renew for an additional, successive term of one year, unless any Party gives the other Parties written
notice of the Party’s intent to terminate this Agreement as of the end of the Initial Term (or then-current renewal term) at least 90 days prior to the end of the Initial Term (or then-current renewal term). The Initial Term and any and all
renewal terms are referred to together herein as the “Term.” 
 4. Compensation. Employer shall compensate Executive
as follows during his period of employment, except as otherwise provided below: 
 (a) Annual Base Salary. Executive shall be
compensated at an annual base rate of $150,000 per year (the “Annual Base Salary”). Executive’s Annual Base Salary will be reviewed at least annually for adjustment based on an evaluation of Executive’s performance.
Executive’s Annual Base Salary shall be payable in accordance with Employer’s normal payroll practices. 
 (b) Annual Incentive
Compensation. 
 (i) Executive shall be eligible to receive annual bonus compensation, if any, as may be determined by, and based on
performance measures established by, the Board of Directors consistent with the strategic plan of Employer pursuant to any incentive compensation program that may be adopted from time to time by the Board of Directors (an “Annual
Bonus”). 
 (ii) Any Annual Bonus earned shall be payable in cash in the year following the year in which the bonus is earned in
accordance with Employer’s normal practices for the payment of short-term incentives. The payment of any Annual Bonus shall be subject to any approvals or non-objections required by any regulator of Company and/or or Bank, and it is understood
by the Parties that it is contemplated that Executive may not be eligible to receive any such Annual Bonus or other short-term incentive compensation if Company and/or Bank is subject to restrictions imposed on Company and/or Bank by the Board of
Governors of the Federal Reserve System, the Tennessee Department of Financial Institutions, or any other regulatory authority, or if Company and/or Bank is otherwise restricted from making payment of such compensation under applicable law. 

(c) Cellular Phone Allowance. Employer will reimburse Executive on a monthly basis, up to $100 per month, for the use of his personal
cellular telephone for Employer-related business in accordance with the customary reimbursement policies of Employer, or, in the alternative, Employer may at its option provide Executive with an Employer-owned cellular telephone. 

  
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 (d) Business and Professional Education Expenses; Memberships. Subject to the
reimbursement policies from time to time adopted by the Board of Directors and consistent with the annual budget approved for the period during which an expense is incurred, Employer will reimburse Executive for reasonable and necessary business
expenses incurred by Executive in the performance of his duties hereunder; provided, however, that, as a condition to any such reimbursement, Executive shall submit verification of the nature and amount of such expenses in accordance
with said reimbursement policies. Examples of appropriate categories of expenses include memberships in professional and civic organizations, professional development, and customer entertainment. Executive acknowledges that Employer makes no
representation with respect to the taxability or non-taxability of the benefits provided under this Section 4(d). 
 (e) Paid
Vacation. On a non-cumulative basis, Executive shall be entitled to four weeks’ paid leave per calendar year, prorated for any partial calendar year of service. The provisions of this Section 4(e) shall apply notwithstanding any
less generous paid leave policy then maintained by Employer, but the use of Executive’s paid leave shall otherwise be in accordance with and subject to Employer’s paid leave policy as in effect from time to time. 

(f) Other Benefits. In addition to the benefits specifically described in this Agreement, Executive shall be entitled to such benefits
as may be available from time to time to similarly situated employees of Employer, including, by way of example only, retirement plan and health, dental, life, and disability insurance benefits. All such benefits shall be awarded and administered in
accordance with the written terms of any applicable benefit plan or, if no written terms exist, Employer’s standard policies and practices relating to such benefits. 

(g) Reimbursement of Expenses; In-Kind Benefits. All expenses eligible for reimbursement described in this Agreement must be incurred by
Executive during the Term of this Agreement to be eligible for reimbursement. Any in-kind benefits provided by Employer must be provided during the Term of this Agreement. The amount of reimbursable expenses incurred, and the amount of any in-kind
benefits provided, in one taxable year shall not affect the expenses eligible for reimbursement, or in-kind benefits provided, in any other taxable year. Each category of reimbursement shall be paid as soon as administratively practicable, but in no
event shall any such reimbursement be paid after the last day of the calendar year following the calendar year in which the expense was incurred. Neither rights to reimbursement, nor in-kind benefits, shall be subject to liquidation or exchanges for
other benefits. 
 (h) Clawback of Compensation. Executive agrees to repay any compensation previously paid or otherwise made
available to him that is subject to recovery under any applicable law, rule, or regulation (including any rule of any exchange or service through which the securities of the Company are then traded) where such compensation was in excess of what
should have been paid or made available because the determination of the amount due was based, in whole or in part, on materially inaccurate financial information of Employer. Executive agrees to return or repay promptly any such compensation
identified by Employer. If Executive fails to return or repay any such compensation promptly, Executive agrees that the amount of such compensation may be deducted from any and all other compensation owed to Executive. Executive acknowledges that
Employer may take appropriate disciplinary action (up to, and including, termination of employment) if Executive fails to return or repay any such compensation. The provisions of this Section 4(h) shall be modified to the extent, and
remain in effect for the period, required by applicable law, rule, or regulation. 

  
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 5. Termination of Employment. 

(a) Termination by Employer. During the Term, Executive’s employment, and this Agreement, may be terminated by Employer: 

(i) for Cause, upon written notice to Executive approved by two-thirds of the Board of Directors; 

(ii) at any time without Cause (provided that Employer shall give Executive at least 30 days prior written notice of its intent to
terminate), in which event Employer (A) shall be required to pay to Executive a severance benefit equal to one times Executive’s Annual Base Salary as of the date of termination, said benefit to be payable over the course of the 12-month
period following termination in accordance with Employer’s normal payroll practices, and (B) to the extent permitted by applicable law, shall reimburse Executive for the reasonable cost of premium payments paid by Executive to continue his
then-existing health insurance for himself and his eligible dependents as provided by Employer for a period of 12 months following termination (for the avoidance of doubt, the termination of Executive’s employment by Employer upon the
Disability of Executive under Section 5(a)(iii) below shall not be considered or deemed termination of Executive’s employment without Cause under this Section 5(a)(ii)); or 

(iii) at any time upon the Disability of Executive (provided that Employer shall give Executive at least 30 days prior written notice
of its intent to terminate), in which event Employer shall be required to continue to pay Executive 60% of Executive’s then-current Annual Base Salary for a period of 12 months following termination; provided that Employer’s
obligation to make payment to Executive shall earlier cease if, and at the time, Executive begins receiving payments under Employer’s long-term disability policy prior to the end of such 12-month period. 

(b) Termination by Executive. During the Term, Executive’s employment, and this Agreement, may be terminated by Executive: 

(i) for Cause, in which event Employer (A) shall be required to pay to Executive a severance benefit equal to (1) if termination is
for Cause as defined in Section 1(f)(ii)(A) or Section 1(f)(ii)(C), one times Executive’s Annual Base Salary as of the date of termination, said benefit to be payable over the course of the 12-month period following
termination in accordance with Employer’s normal payroll practices, or (2) if termination is for Cause as defined in Section 1(f)(ii)(B), one times Executive’s Annual Base Salary immediately before the reduction in salary
and other compensation and benefits giving rise to termination, said benefit to be payable over the course of the 12-month period following termination in accordance with the Employer’s normal payroll practices, and (B) to the extent
permitted by applicable law, shall reimburse Executive for the reasonable cost of premium payments paid by Executive to continue his then-existing health insurance for himself and his eligible dependents as provided by Employer for a period of 12
months following termination; or 
 (ii) at any time without Cause or upon the Disability of Executive (provided that Executive shall
give Employer at least 60 days prior written notice of his intent to terminate). 
 (c) Termination by Mutual Agreement. During the
Term, Executive’s employment, and this Agreement, may be terminated at any time by mutual, written agreement of the Parties. 
 (d)
Termination upon Death. Executive’s employment, and this Agreement, shall terminate automatically upon the death of Executive. 

  
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 (e) Effect of Termination; Resignation. Upon the termination of Executive’s
employment hereunder, Employer shall have no further obligations to Executive or Executive’s estate, heirs, beneficiaries, executors, administrators, or legal or personal representatives with respect to this Agreement, except for the payment of
any amounts earned and owing under Sections 4(a)-4(d) hereof as of the effective date of the termination of Executive’s employment and any payment(s) required by Section 5(a)(ii), Section 5(a)(iii),
Section 5(b)(i), and/or Section 6 of this Agreement. Further, upon the termination of Executive’s employment hereunder, if Executive is a member of the Board of Directors, or of the board of directors of any Affiliate of
Bank, Executive shall, at the request of Employer, resign from his position(s) on such board(s), with any and all such resignations to be effective not later than the date on which Executive’s employment is terminated. 

6. Change of Control. 

(a) If, within 12 months following a Change of Control, Employer (or any successor of or to Employer) terminates Executive’s employment
under this Agreement without Cause, Executive (or in the event of his subsequent death his estate or designated beneficiary or beneficiaries, as the case may be) shall receive, as liquidated damages, in lieu of all other claims, a severance payment
equal to one times Executive’s Annual Base Salary as of the date of termination, such amount to be paid in full in one lump sum payment on the last day of the month during which the termination of Executive’s employment occurs.
Additionally, Executive will continue to receive the health insurance plan benefits then in effect for employees of Employer for a period of one year following termination, to include payment of any Employer-funded portion of the plan. 

(b) If, within 12 months following a Change of Control, Executive terminates his employment with Employer (or any successor of or to Employer)
under this Agreement for Cause, Executive (or in the event of his subsequent death his estate or designated beneficiary or beneficiaries, as the case may be) shall receive, as liquidated damages, in lieu of all other claims, a severance payment
equal to (i) if termination is for Cause as defined in Section 1(f)(ii)(A) or Section 1(f)(ii)(C), one times Executive’s Annual Base Salary as of the date of termination, such amount to be paid in full in one lump
sum payment on the last day of the month during which the termination of Executive’s employment occurs, or (ii) if termination is for Cause as defined in Section 1(f)(ii)(B), one times Executive’s Annual Base Salary
immediately before the reduction in salary and other compensation and benefits giving rise to termination, such amount to be paid in full in one lump sum payment on the last day of the month during which the termination of Executive’s
employment occurs. Additionally, Executive will continue to receive the health insurance plan benefits then in effect for employees of Employer for a period of one year following termination, to include payment of any Employer-funded portion of the
plan. 
 7. Employer Information. 

(a) Ownership of Employer Information. All Employer Information received or developed by Executive or by Employer while Executive is
employed by Employer shall be and will remain the sole and exclusive property of Employer. 
 (b) Obligations of Executive. Executive
agrees: 
 (i) to hold all Employer Information in strictest confidence; 

(ii) not to use, duplicate, reproduce, distribute, disclose, or otherwise disseminate Employer Information or any physical embodiments of
Employer Information to any unauthorized recipient; and 

  
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 (iii) in any event, not to take any action causing any Employer Information to lose its
character or cease to qualify as, and not to fail to take any action necessary in order to prevent any Employer Information from losing its character or ceasing to qualify as, Confidential Information or a Trade Secret; provided,
however, that none of the foregoing obligations shall preclude Executive from making any disclosures of Employer Information which Executive has been advised in writing by independent legal counsel are required by law, rule, or regulation.
This Section 7 shall survive for a period of two years following termination of this Agreement for any reason with respect to Confidential Information, and shall survive termination of this Agreement for any reason for so long as is
permitted by applicable law with respect to Trade Secrets. 
 (c) Delivery upon Request or Termination. Upon request by Employer, and
in any event upon termination of Executive’s employment with Employer, Executive will promptly deliver to Employer all property belonging to Employer, including without limitation all Employer Information then in Executive’s possession or
control. 
 8. Non-Competition; Non-Solicitation; Non-Disparagement. 

(a) Non-Competition. Executive agrees that, during the period of Executive’s employment hereunder and, in the event of the
termination of Executive’s employment, for the duration of the Post-Termination Period, Executive will not (except on behalf of or with the prior written consent of Employer): 

(i) within the Area, either directly or indirectly, on Executive’s own behalf or in the service of or on behalf of others, engage in any
activity, enterprise, or venture competitive with the Business of Employer; 
 (ii) within the Area, either directly or indirectly, perform
for any Competing Business any services that are the same as, or essentially the same as, the services the Executive provided for Employer; 

(iii) within the Area, accept employment with or be employed by any person engaged in any business, activity, enterprise, or venture
competitive with the Business of Employer; or 
 (iv) work for or with, consult for, or otherwise be affiliated with or be employed by any
person or group of persons proposing to establish a new bank or other financial institution within the Area. 
 (b) Non-Solicitation of
Customers. Executive agrees that, during the period of Executive’s employment hereunder and, in the event of the termination of Executive’s employment, regardless of the reason, for the duration of the Post-Termination Period,
Executive will not directly or indirectly (except on behalf of or with the prior written consent of Employer), on Executive’s own behalf or in the service of or on behalf of others, solicit, divert, or appropriate, or attempt to solicit,
divert, or appropriate, any business from any of Employer’s customers or any customers of any Affiliate of Employer, including prospective customers actively sought by Employer or any Affiliate of Employer with whom Executive has or had contact
during the last two years of Executive’s employment with Employer, for purposes of selling, offering, or providing products or services that are competitive with those sold, offered, or provided by Employer or any Affiliate of Employer. 

(c) Non-Solicitation of Employees. Executive agrees that, during the period of Executive’s employment hereunder and, in the event
of the termination of Executive’s employment, regardless of the reason, for the duration of the Post-Termination Period, Executive will not directly or 

  
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indirectly (except on behalf of or with the prior written consent of Employer), on Executive’s own behalf or in the service of or on behalf of others, solicit, recruit, or hire away, or
attempt to solicit, recruit, or hire away, any employee of Employer or any Affiliate of Employer with whom Executive had contact during the last two years of Executive’s employment, regardless of whether such employee is a full-time, part-time,
or temporary employee of Employer or an Affiliate of Employer or such employee’s employment is pursuant to a written agreement, for a determined period, or at will. 

(d) Non-Disparagement. Executive agrees that, during the period of Executive’s employment hereunder and for a period of two years
thereafter, Executive will not make any untruthful statement (written or oral) that could reasonably be perceived as disparaging to Employer or any Affiliate of Employer. 

(e) Modification. The Parties agree that the provisions of this Agreement represent a reasonable balancing of their respective interests
and have attempted to limit the restrictions imposed on Executive to those necessary to protect Employer from inevitable disclosure of Confidential Information and Trade Secrets and/or unfair competition. The Parties agree that, if the scope or
enforceability of this Agreement is in any way disputed at any time and an arbitrator, court, or other trier of fact determines that the scope of the restrictions contained in this Agreement is overbroad, then such arbitrator, court, or other trier
of fact may modify the scope of the restrictions contained in this Agreement. 
 (f) Tolling. Executive agrees that, in the event
Executive breaches this Section 8, the Post-Termination Period shall be tolled during the period of such breach and shall be extended to 12 months after all breaches of this Agreement have ceased. 

(g) Remedies. Executive agrees that the covenants contained in Section 7 and Section 8 of this Agreement are of
the essence of this Agreement; that each of such covenants is reasonable and necessary to protect the business, interests, and properties of Employer and its Affiliates; and that irreparable loss and damage will be suffered by Employer should
Executive breach any of such covenants. Therefore, Executive agrees and consents that, in addition to all other remedies provided by or available at law or in equity, Employer shall be entitled to a temporary restraining order and temporary and
permanent injunctions to prevent a breach or contemplated breach of any of the covenants contained in Section 7 or Section 8 of this Agreement and that, in such event, Employer shall not be required to post a bond. Employer
and Executive agree that all remedies available to Employer shall be cumulative. 
 9. Severability. The Parties agree that each of
the provisions included in this Agreement is separate, distinct, and severable from the other provisions of this Agreement and that the invalidity or unenforceability of any provision of this Agreement shall not affect the validity or enforceability
of any other provision of this Agreement. Further, if any provision of this Agreement is ruled invalid or unenforceable by a court of competent jurisdiction because of a conflict between the provision and any applicable law, regulation, or public
policy, the provision shall be redrawn to make the provision consistent with, and valid and enforceable under, such law, regulation, or public policy. 

10. No Set-Off by Executive . The existence of any claim, demand, action, or cause of action by Executive against Employer or any
Affiliate of Employer, whether predicated upon this Agreement or otherwise, shall not constitute a defense to the enforcement by Employer of any of its rights hereunder. 

11. Notices . All notices, requests, waivers, and other communications required or permitted hereunder shall be in writing and shall be
either personally delivered; sent by national overnight courier service, postage prepaid, next-business-day delivery guaranteed; or mailed by first class United States Mail, postage prepaid, return receipt requested, to the recipient at the address
below indicated: 

  
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 If to Bank: 

Reliant Bank 
 1736 Carothers
Parkway, Suite 100 
 Brentwood, Tennessee 37027 

Attention: Chairman of the Board 

If to Executive: 

Wallace E. Gammon, Jr. 
 608
Patriot Lane 
 Franklin, Tennessee 37067 
 or
to such other address or to the attention of such other person as the recipient Party shall have specified by prior written notice to the sending Party. All such notices, requests, waivers, and other communications shall be deemed to have been
effectively given: (a) when personally delivered to the Party to be notified; (b) two business days after deposit with a national overnight courier service, postage prepaid, addressed to the Party to be notified as set forth above with
next-business-day delivery guaranteed; or (c) five business days after deposit in the United States Mail, first class, postage prepaid with return receipt requested, at any time other than during a general discontinuance of postal service due
to strike, lockout, or otherwise (in which case such notice, request, waiver, or other communication shall be effectively given upon receipt), and addressed to the Party to be notified as set forth above. A Party may change such Party’s notice
address set forth above by giving the other Party 10 days written notice of the new address in the manner set forth above. 
 12.
Assignment. The rights and obligations of Bank under this Agreement shall inure to the benefit of and shall be binding upon the successors and assigns of Bank, including without limitation a purchaser of all or substantially all of the assets
of Bank. If this Agreement is assigned pursuant to the foregoing sentence, the assignment shall be by novation and the assignor shall have no further liability hereunder, and the successor or assign, as applicable, shall become the “Bank”
or “Employer” hereunder, but Executive will not be deemed to have experienced a termination of employment by virtue of such assignment. This Agreement is a personal contract and the rights and interest of Executive may not be assigned by
Executive. This Agreement shall inure to the benefit of and be enforceable by Executive and Executive’s personal or legal representatives, executors, administrators, heirs, distributees, devisees, and legatees. 

13. Waiver. A waiver by a Party to this Agreement of any breach of this Agreement by the other Party to this Agreement shall not be
effective unless in writing, and no waiver shall operate or be construed as a waiver of the same or another breach on a subsequent occasion. 

14. Mediation. Except with respect to Section 7, Section 8, and Section 22 hereof and as provided
in Section 15 hereof, in the event of any dispute arising out of or relating to this Agreement or a breach hereof, which dispute cannot be settled through direct discussions between the Parties, the Parties agree to first endeavor to
settle the dispute in an amicable manner by non-binding mediation in accordance with the rules of alternative dispute resolution of the State of Tennessee for the judicial circuit containing Williamson County, Tennessee before resorting to any other
process for resolving the dispute. 
 15. Applicable Law and Choice of Forum. This Agreement shall be governed by and construed and
enforced under and in accordance with the laws of the State of Tennessee, without regard to or the application of principles of conflicts of laws. The Parties agree that any appropriate state court located in Williamson County, Tennessee or federal
court for the Middle District of Tennessee shall have exclusive jurisdiction of any case or controversy arising under or in connection with this Agreement and shall be a proper forum in which to adjudicate such case or controversy. The Parties
consent and waive any objection to the jurisdiction or venue of such courts. 

  
 11 

 16. Interpretation. Words used herein importing any gender include all genders. Words used
herein importing the singular shall include the plural and vice versa. When used herein, the terms “herein,” “hereunder,” “hereby,” “hereto,” and “hereof,” and any similar terms, refer to this
Agreement. When used herein, the term “person” shall include an individual, a corporation, a limited liability company, a partnership, an association, a trust, and any other entity or organization, whether or not incorporated. Any
captions, titles, or headings preceding the text of any section or subsection of this Agreement are solely for convenience of reference and shall not constitute part of this Agreement or affect its meaning, construction, or effect. 

17. Entire Agreement. This Agreement embodies the entire and final, integrated agreement of the Parties on the subject matter stated in
this Agreement. No amendment or supplement to or modification of this Agreement shall be valid or binding upon any Party unless made in writing and signed by all Parties. All prior understandings and agreements relating to the subject matter of this
Agreement are hereby expressly terminated. 
 18. Counterparts. This Agreement may be executed in counterparts, each of which shall
be deemed an original but all of which together shall be deemed to be one and the same agreement. A signed copy of this Agreement delivered by facsimile, e-mail, or other means of electronic transmission shall be deemed to have the same legal effect
as delivery of an original signed copy of this Agreement. 
 19. Rights of Third Parties. Nothing herein expressed is intended to or
shall be construed to confer upon or give to any person, other than the Parties hereto and their successors and permitted assigns, any rights or remedies under or by reason of this Agreement. 

20. Legal Fees. In the event of any claim, action, suit, or proceeding arising out of or in any way relating to this Agreement, the
prevailing Party shall be entitled to recover from the non-prevailing Party all reasonable fees, expenses, and disbursements, including without limitation reasonable attorneys’ fees and court costs, incurred by such prevailing Party in
connection with such claim, action, suit, or proceeding, in addition to any other relief to which such prevailing Party may be entitled at law or in equity. 

21. Survival. The obligations of the Parties pursuant to Sections 4(h), 7, 8, 14, 15, 20,
21, 23, 24, 25, and 26 shall survive the expiration and/or termination of this Agreement and/or the termination of Executive’s employment hereunder for the periods expressly designated under such sections or,
if no such period is designated, for the maximum period permissible under applicable law. 
 22. Representation Regarding Restrictive
Covenants. Executive represents that Executive is not and will not become a party to any non-competition or non-solicitation agreement or any other agreement which would prohibit Executive from entering into this Agreement or providing the
services for Employer contemplated by this Agreement on or after the Effective Date. In the event Executive is subject to any such agreement, this Agreement shall be rendered null and void and Employer shall have no obligations to Executive under
this Agreement. 
 23. Section 409A. It is the intent of the Parties that any payment to which Executive is entitled under this
Agreement be exempt from Section 409A of the Code (“Section 409A”) to the maximum extent permitted under Section 409A. However, if any such amounts are considered to be “nonqualified deferred compensation”
subject to Section 409A, such amounts shall be paid and provided 

  
 12 

 
in a manner that, and at such time and in such form as, complies with the applicable requirements of Section 409A to avoid the unfavorable tax consequences provided for therein for
non-compliance. No Party shall intentionally take any action to accelerate or delay the payment of any amounts in any manner which would not be in compliance with Section 409A without the consent of the other Party. For purposes of this
Agreement, all rights to payments shall be treated as rights to receive a series of separate payments to the fullest extent allowed by Section 409A. To the extent that some portion of the payments provided for under this Agreement may be
bifurcated and treated as exempt from Section 409A under the “short-term deferral” or “separation pay” exemptions, then such amounts may be so treated as exempt from Section 409A. 

24. Tax Matters. 
 (a)
Withholding of Taxes. Bank may deduct and withhold from any amounts payable under this Agreement all federal, state, city, or other taxes Bank is required to deduct or withhold pursuant to applicable law, rule, regulation, or ruling. 

(b) Excise Taxes. 
 (i) In
the event that any amounts payable under this Agreement or otherwise to the Executive would (A) constitute “parachute payments” within the meaning of Section 280G of the Code or any comparable successor provision and (B) but
for this Section 24(b), be subject to the excise tax imposed by Section 4999 of the Code or any comparable successor provision (the “Excise Tax”), then such amounts payable to Executive shall be reduced (but not
below zero) to the extent necessary to ensure that no portion thereof is subject to the Excise Tax, but only if the net amount of such amounts payable, as so reduced, is greater than or equal to the net amount of such amounts payable if such
reduction were not made and Executive had paid such Excise Tax. Any such reduction shall be made by Bank, in its sole discretion, consistent with the requirements of Section 409A of the Code. 

(ii) If notwithstanding any reductions described in this Section 24(b) the Internal Revenue Service (the “IRS”)
determines that Executive is liable for the Excise Tax as a result of the receipt of amounts payable under this Agreement or otherwise as described above, then Executive shall be obligated to pay back to Bank, within 30 days after a final IRS
determination or, in the event that Executive challenges the final IRS determination, a final judicial determination, the portion of such “parachute payments” required to avoid imposition of the Excise Tax. 

25. Regulatory Restrictions . The Parties expressly acknowledge and agree that (a) any and all payments contemplated by this
Agreement are subject to and conditioned upon their compliance with 12 U.S.C. § 1828(k) and 12 C.F.R. Part 359, as such laws and regulations may be amended from time to time, and (b) the obligations of the Parties under this Agreement
are generally subject to such conditions, restrictions, and limitations as may be imposed from time to time by applicable state and/or federal banking laws, rules, and regulations. 

26. Right to Contact. Executive acknowledges and agrees that Employer shall retain and have the right to contact any new employer or
potential employer (or other business) and apprise such person of Executive’s responsibilities and obligations owed under this Agreement. 

(Signature Page Follows) 

  
 13 

 IN WITNESS WHEREOF, the Parties have executed and delivered this Agreement effective as of the
date first written above. 
  

									
	 BANK:
	 	 RELIANT BANK
	 	
			
		 	By:	 	 /s/ DeVan D. Ard. Jr.

		 		 	DeVan D. Ard, Jr.
		 		 	President and Chief Executive Officer
	 EXECUTIVE:
	 		 		 		 	
		
		 	 /s/ Wallace E. Gammon, Jr.

		 	Wallace E. Gammon, Jr.

 (Signature Page to Employment Agreement)EX-10.2

 Exhibit 10.2 

Qualified ISO 
 Employee

 Grant date: March 16, 2016 

COMMERCE UNION BANCSHARES, INC. 

INCENTIVE STOCK OPTION AGREEMENT 

THIS INCENTIVE STOCK OPTION AGREEMENT (this “Agreement”) is dated as of the 16th day of March, 2016 (the
“Grant Date”), by and between Commerce Union Bancshares, Inc., a Tennessee corporation (the “Company”), and Wallace Edwin Gammon, Jr. (the “Optionee”). 

WHEREAS, the Option (as defined below) evidenced by this Agreement is granted under the Commerce Union Bancshares, Inc. 2015 Equity
Incentive Plan, dated June 18, 2015, as such plan may be amended from time to time (the “Plan”). 
 NOW,
THEREFORE, in consideration of the premises and the mutual covenants hereinafter set forth, and in further consideration of the services to be rendered by the Optionee to the Company or to a “parent corporation” or a “subsidiary
corporation” thereof, as such terms are defined in Code Sections 424(e) and (f) (each, an “Affiliate”), the Company and Optionee agree as follows: 

1. Incorporation of the Plan; Capitalized Terms; Acceptance. 

(a) The provisions of the Plan are hereby incorporated herein by reference. Except as otherwise expressly set forth herein, this Agreement
shall be construed in accordance with the provisions of the Plan and any capitalized terms not otherwise defined in this Agreement shall have the definitions set forth in the Plan. The Board, or its designated committee, shall have the final
authority to interpret and construe the Plan and this Agreement and to make any and all determinations thereunder, and its decision shall be binding and conclusive upon Optionee and Optionee’s legal representative in respect of any questions
arising under the Plan or this Agreement. As used herein, the term “Board” shall be construed to mean the board of directors of Company or a committee of the Board with authority to administer the Plan. In the event of a discrepancy
between the Plan and this Agreement, the provisions of the Plan shall control. 
 (b) Optionee hereby acknowledges receipt of a copy of the
Plan and this Agreement as evidenced by Optionee’s separate execution of the Optionee’s Acceptance Form found at Exhibit A of this Agreement. Optionee has read and understands the terms and provisions thereof, and accepts the Option
subject to all of the terms and conditions of the Plan and this Agreement. Optionee acknowledges that there may be adverse tax consequences upon exercise of the Option (as defined below) or disposition of the underlying shares and that Optionee
should consult with Optionee’s tax advisor prior to such exercise or disposition. 
 2. Type and Grant of Option. Subject to the
terms and conditions of this Agreement and the Plan, Optionee shall have the right and option to purchase 10,000 shares of Company common stock, par value $1.00 per share (the “Company Stock”), at the Option Price specified in
Paragraph 3 below (the “Option”). The Option is intended to qualify as an Incentive Stock Option as set forth in Code Section 422 and any regulations promulgated thereunder; provided, however, the Company makes no
representation or guarantee that the Option will qualify as an Incentive Stock Option. To the extent that the aggregate Fair Market Value (determined as of the Grant Date) of the shares of Company Stock with respect to which Incentive Stock Options
are exercisable for the first time by the Optionee during any calendar year (under all plans of the Company and its Affiliates) exceeds $100,000.00, the options or 

 
portions thereof that exceed such limit (according to the order in which they were granted) shall be treated as Non-Qualified Stock Options. Except as otherwise indicated by the context, the term
“Optionee,” as used in this Agreement, shall be deemed to include any person who acquires the right to exercise this Option validly under the terms of this Agreement and the Plan. 

3. Option Price. The exercise price for shares of Company Stock subject to the Option shall be $14.70 per share (the “Option
Price”). The Option Price represents the Fair Market Value of the Company Stock on the Grant Date. 
 4. Vesting. 

(a) The Option will become exercisable (“vest”) at a rate of twenty percent (20%) of the total number of shares subject
to the Option on each of the first five anniversaries of the Grant Date, as indicated in the table below, provided that Optionee is still employed by the Company or any Affiliate thereof on the respective vesting date: 

 

											
	 Vesting Date
	  	 March 16,

2017
	  	 March 16,

2018
	  	 March 16,

2019
	  	 March 16,

2020
	  	 March 16,

2021

	 Shares as to which Option vests
	  	2,000	  	2,000	  	2,000	  	2,000	  	2,000

 There shall be no proportional or partial vesting in the period prior to each vesting date, and all vesting shall occur only
on the appropriate vesting date. The right of exercise shall be cumulative so that to the extent that the Option is not exercised in any period to the maximum extent permissible, it shall continue to be exercisable, in whole or in part, with respect
to all shares for which it is vested until the earlier of the Expiration Date or the termination of this Option under the Plan. 
 (b)
Notwithstanding anything to the contrary in subparagraph 4(a) above, in the event a Change in Control occurs, the Option shall immediately vest as to any Option shares that have not previously vested in accordance with said subparagraph
4(a). 
 (c) Notwithstanding anything to the contrary in subparagraph 4(a) above, in the event of the Disability of the Optionee
prior to the Expiration Date, as defined in Paragraph 5 below, the Option shall immediately vest as to any option shares that have not previously vested in accordance with said subparagraph 3(a). The term “Disability” shall
have the meaning set out in the Plan; provided, however, the parties agree that, to the extent necessary to comply with Code Section 409A, the definition of “Disability” hereunder shall be amended to the definition of
“disability” required by Code Section 409A. 
 (d) Notwithstanding anything to the contrary in subparagraph 4(a) above,
in the event of the Optionee’s Retirement, the Option shall immediately vest as to any Option shares that have not previously vested in accordance with said subparagraph 4(a) above. 

5. Option Term. Subject to the terms of Paragraph 6 hereof, the Option may be exercised at any time, with respect to shares
of Company Stock as to which it has vested, prior to the close of business on the 10th anniversary of the Grant Date (the “Expiration Date”). To the extent not exercised, the Option shall expire as of the Expiration Date. 

  
 2 

 6. Exercise of Option. 

(a) Except as provided below, provided Optionee’s service to the Company, or to any Affiliate thereof, has not been terminated, as defined
in the Plan, Optionee may exercise any vested portion of the Option prior to the applicable Expiration Date by transmitting notice of exercise, the form of which is attached hereto as Exhibit B, and the required payment by mail, wire
transfer, or hand delivery to the chief executive officer, president, or chief financial officer of the Company, specifying the number of shares of Company Stock to be purchased and the aggregate Option Price tendered in payment for the shares in
accordance with subparagraph 6(e) below. Such exercise shall be deemed effective upon Optionee placing in the United States mail or hand delivering such written notice together with the required payment. 

(b) Except as provided in subparagraphs 6(c) and 6(d) below, in the event the employment of Optionee by the Company, or any Affiliate
thereof, is voluntarily or involuntarily terminated, including without limitation, in the event of the Retirement of Optionee as defined in the Plan, Optionee may exercise any vested portion of the Option within three (3) months after
such termination, but in no event later than the applicable Expiration Date, unless such termination is for Cause, as defined in the Plan. In the event Optionee’s employment is terminated for Cause, Optionee may not exercise any portion of the
Option, vested or unvested. 
 (c) In the event Optionee’s employment by the Company, or any Affiliate thereof, terminates as a result
of Optionee’s Disability, Optionee may exercise the vested portion of the Option, but only within such period of time beginning on the date of termination and ending on the earlier of (i) the date twelve (12) months
following Optionee’s termination for Disability, or (ii) the Expiration Date. 
 (d) If Optionee dies while actively employed by
the Company, or by any Affiliate thereof, or within three (3) months following termination of Optionee’s active employment by the Company, or any Affiliate thereof, any vested portion of the Option may be exercised by the personal
representative of the estate of Optionee or by any person who has acquired the Option from Optionee by bequest or inheritance, but only within such period of time ending on the earlier of (i) the date twelve (12) months
following Optionee’s death or (ii) the Expiration Date. 
 (e) Payment of the Option Price for the number of shares of Company
Stock as to which the Option is exercised, to the extent permitted by applicable statutes and regulations, shall be paid: 

(i) In cash, certified or cashier’s check, or wire transfer payable to the order of the Company, in an amount equal to the
Option Price per share multiplied by the number of shares as to which the Option is exercised. The Company shall have the right to require a cash payment upon the exercise of the Option in connection with an obligation, if any, of the Company to
withhold taxes; 
 (ii) By delivery to the Company of other shares of Company Stock, duly endorsed for transfer to the
Company, with a Fair Market Value on the date of delivery equal to the aggregate Option Price (or portion thereof) due for the number of shares being acquired, or by means of attestation whereby the Optionee identifies for delivery specific shares
that have a Fair Market Value on the date of attestation equal to the Option Price (or portion thereof) and receives a number of shares equal to the difference between the number of shares thereby purchased and the number of identified attestation
shares; 
 (iii) Through a cashless exercise program established with a broker; provided however, the Option will lose
its Incentive Stock Option status if certain holding requirements are not met through a cashless exercise program; 

  
 3 

 (iv) By any combination of the foregoing methods; or 

(v) In any other form of legal consideration acceptable to the Company. 

7. Adjustment Upon Changes in Capitalization. 

(a) If at any time during the period when the Option may be exercised the Company shall declare a dividend payable in shares of Company Stock
(or any security convertible into or granting rights to purchase shares of Company Stock) or split the then outstanding shares of Company Stock into a greater number of shares, the number of shares of Company Stock which may be purchased upon the
exercise of the Option at the time of the record date for such dividend or at the time of such stock split shall be proportionately increased and the Option Price per share proportionately decreased as of such time, and, conversely, if at any time
the Company shall reduce the number of outstanding shares of Company Stock by combining such shares into a smaller number of shares, the number of shares of Company Stock which may be purchased upon the exercise of the Option shall at the time of
such action be proportionately decreased and the Option Price per share proportionately increased. 
 (b) If the Company consolidates or
merges with or into another corporation (whether or not the Company shall be the surviving entity), or sells all or substantially all of its assets as part of a reorganization within the meaning of Code Section 368, or reclassifies or
reorganizes its capital structure (except a stock dividend, split, or combination covered by subparagraph 7(a) hereof, the number of shares of Company Stock subject to the Option shall be increased or decreased to reflect the number of shares
which the Optionee would have been entitled to receive in connection with such transaction if the shares of Company Stock subject to the Option had been issued and held by Optionee on the date immediately prior to the date the transaction is
consummated (the “Transaction Date”). Notice of such consolidation, merger, sale, reclassification, or reorganization and of said provisions proposed to be made shall be mailed to Optionee not less than 15 days prior to such
Transaction Date. As a condition to any reorganization, reclassification, consolidation, merger, or sale, in which the Company is not the survivor, the Company or any successor, surviving, or purchasing corporation, as the case may be, shall agree
that it is bound by the Option, that it will satisfy all of the obligations of the Company hereunder, and that Optionee shall have the right, upon exercise of the Option on the terms and conditions hereof, to receive the kind and amount of stock,
securities, or assets receivable upon such reorganization, reclassification, consolidation, merger, or sale, including the number of shares of Company Stock issuable upon exercise of the Option immediately prior to such reorganization,
reclassification, consolidation, merger, or sale, subject to adjustments which shall be as nearly equivalent as may be practicable to the adjustments provided for in this subparagraph 7(b). Notwithstanding the foregoing provisions of this
subparagraph 7(b), in the event of any such consolidation, merger, sale, reclassification or reorganization, the Board, or its designated committee, may, in its discretion and upon at least 15 days’ advance notice to Optionee, cancel the
Option and pay to Optionee the value of the Option based upon the price per share of Company Stock received or to be received by other shareholders of the Company in the transaction provided, that if at the time of the transaction, the Option Price
of the Option equals or exceeds the price paid or to be paid for a share of Company Stock in connection with the transaction, the Board, or its designated committee, may cancel the Option without the payment of any consideration therefor. 

8. Tax Liability and Withholding. Notwithstanding any action the Company takes with respect to any or all income tax, social security
insurance, payroll tax or other tax-related withholding (“Tax-Related Items”), the ultimate liability for all Tax-Related Items is and remains the Optionee’s responsibility, and the Company makes no representations or
undertakings regarding the treatment of any Tax-Related Items in connection with the grant, vesting, or exercise of the Option or the subsequent sale of any shares acquired on exercise. Further, the Company does not commit to structure the Option to
reduce or eliminate the Optionee’s liability for Tax-Related Items. If the Company, in its discretion, 

  
 4 

 
determines that it is obligated to withhold any tax in connection with the exercise of the Option, the Optionee must make arrangements satisfactory to the Company to pay or provide for any
applicable federal, state and local withholding obligations of the Company. The Optionee may satisfy any federal, state or local tax withholding obligation relating to the exercise of the Option by any of the following means: (a) tendering a
cash payment; or (b) delivering to the Company previously owned and unencumbered shares of Company Stock. The Company has the right to withhold from any compensation paid to the Optionee. 

9. Qualification as Incentive Stock Option. It is understood that this Option is intended to qualify as an Incentive Stock Option as
defined in Code Section 422 to the extent permitted under applicable law. Accordingly, the Optionee understands that in order to obtain the benefits of an Incentive Stock Option, no sale or other disposition may be made of shares for which
Incentive Stock Option treatment is desired within one (1) year following the date of exercise of the Option or within two (2) years from the Grant Date. The Optionee understands and agrees that the Company shall not be liable or
responsible for any additional tax liability the Optionee incurs in the event that the Internal Revenue Service for any reason determines that the Option does not qualify as an Incentive Stock Option within the meaning of the Code. 

10. Disqualifying Disposition. If Optionee disposes of the shares of Company Stock received upon the exercise of the Option prior to
the expiration of either two (2) years from the Grant Date or one (1) year from the date the shares are transferred to Optionee pursuant to the exercise of the Option (a “Disqualifying Disposition”), Optionee shall notify
the Company in writing within 30 days after such disposition of the date and terms of such disposition. Optionee also agrees to provide the Company with any information concerning any such disposition as the Company requires for tax purposes. The
Company is under no obligation (a) to recognize any Disqualifying Disposition; (b) to transfer on its books any of the shares of Company Stock which shall have been sold or transferred in violation of any of the provisions set forth
herein; or (c) to treat as owner of such shares or to pay dividends to any transferee to whom any such shares shall have been so sold or transferred. 

11. Compliance with Law. The exercise of the Option and the issuance and transfer of shares of Company Stock subject thereto shall be
subject to compliance by the Company and Optionee with all applicable requirements of federal and state securities laws and regulations and all applicable requirements of any stock exchange on which the Company’s shares of Company Stock may be
listed. No shares of Company Stock shall be issued pursuant to this Option unless and until any then applicable requirements of state or federal laws and regulatory agencies have been fully complied with to the satisfaction of the Company and its
counsel. 
 12. Delivery of Evidence of Ownership. As soon as practicable after an exercise hereunder, in whole or in part, the
Company at its expense shall cause to be issued in the name of and delivered to Optionee book entry evidence of the number of duly authorized, fully paid, and non-assessable shares of Company Stock to which Optionee is entitled upon such exercise.
All deliveries of evidence of ownership shall be subject to such stop transfer orders and other restrictions as the Company may deem advisable under the rules, regulations, and other requirements of the Securities and Exchange Commission, any stock
exchange upon which the Company’s Stock is then listed, or any national securities exchange system upon whose system the Company’s Stock is then quoted, or any applicable federal, state or other securities law or other applicable corporate
law. The Company may make such notations in book entry format as required or appropriate to reference such restrictions. 
 13.
Reservation of Shares. Except as otherwise restricted by the Plan, the Company shall at all times reserve and keep available a number of authorized but unissued shares of Company Stock sufficient to permit the exercise in full of the Option.

  
 5 

 14. Reservation of Rights by Company. When the transfer of the Company Stock subject to
the Option may, in the opinion of the Company, conflict or be inconsistent with any applicable law or regulation of any governmental agency having jurisdiction, the Company reserves the right to refuse to transfer such Company Stock, and shall
return any tendered Option Price therefor. 
 15. No Rights or Liabilities as Shareholder. Optionee shall have no rights or any
obligations or liabilities as a shareholder of the Company with respect to any shares which may be purchased upon exercise of the Option unless and until such shares are duly issued to Optionee. 

16. No Employment Rights. Nothing in this Agreement, including the grant of the Option hereunder, shall confer on Optionee any right to
continue in the active employment of the Company, or any Affiliate thereof, or interfere in any way with the right of the Company, or any Affiliate thereof, at any time to terminate or modify the terms or conditions of such employment. 

17. Transferability. The Option shall not be transferable by Optionee otherwise than by last will and testament or by the laws of
descent and distribution. The Option may be exercised during Optionee’s lifetime only by Optionee. Without limiting the generality of the foregoing, the Option may not be assigned, transferred, pledged, or hypothecated (whether by operation of
law or otherwise) and shall not be subject to execution, attachment, or similar process. Any attempted assignment, transfer, pledge, hypothecation, or other disposition of the Option contrary to the provisions hereof, or by the levy of any
attachment or similar process upon Optionee, shall be void and of no force or effect and shall result in the forfeiture of any unexercised shares subject to the Option. 

18. Plan Terms. The terms of the Plan, pursuant to which this Agreement is made, are incorporated herein by reference and expressly
made a part of this Agreement. In the event of any contradiction or inconsistency between this Agreement and the Plan, the terms and conditions of the Plan shall control. Capitalized terms used but not defined herein shall have the meanings given to
such terms in the Plan. 
 19. Rule 16b-3. This Agreement and the Option granted hereunder shall be limited and construed in such
respects as may be necessary in order that it will receive the full benefit of the exemption from liability provided by Rule 16b-3 under the Securities Exchange Act of 1934, as amended, or any successor rule or regulation to the extent applicable.

 20. Code Section 409A. The intent of the parties is that benefits under this Agreement shall be exempt from the provisions of
Code Section 409A, and, accordingly, to the maximum extent permitted, this Agreement shall be interpreted to be limited, construed and interpreted in accordance with such intent. In no event whatsoever shall the Company be liable for any
additional tax, interest or penalties that may be imposed on Optionee or any damages for failing to comply with Code Section 409A hereunder or otherwise. 

21. Governing Law. This Agreement is to be construed and enforced in accordance with and governed by the procedural provisions and
substantive law of the State of Tennessee, including, without limitation, that state’s law of privilege, without giving effect to its conflicts of law principles. 

22. Miscellaneous. 
 (a)
Amendment of Agreement. The Company has the right to amend, alter, suspend, discontinue or cancel the Option, prospectively or retroactively, without Optionee’s consent, unless such action adversely affects Optionee’s rights under
this Agreement. Notwithstanding the previous sentence, 

  
 6 

 
in no event shall the Company (i) re-price the Option such that the Option Price is less than the Fair Market Value at the time of re-pricing; (ii) extend the term of an
“in-the-money” Option beyond the shorter of the original Expiration Date or ten (10) years from the Grant Date; (iii) provide for deferral of Option gains or deferred payment of an exercisable Option; or (iv) make any other
modification to this Agreement that would cause the Option to be subject to Code Section 409A. In the event that any such modification(s) are made to the Option, the modification may be rescinded by the Company’s board of director or its
compensation committee, as determined under the Plan, before the last day of the calendar year in which the modification is made, or, if earlier, the date the Option is exercised. 

(b) Notices. All notices under this Agreement shall be mailed or delivered by hand to the Optionee at the Optionee’s address
registered with the Company and to the Company at the physical address of the main office of the Company, or at such other addresses as the parties may from time to time provide to each other in writing. 

(c) Interpretation. Any dispute regarding the interpretation of this Agreement shall be submitted by the Optionee or the Company to the
Company’s Compensation Committee for review. The resolution of such dispute by the Compensation Committee shall be final and binding on the Optionee and the Company. 

(d) Successors and Assigns. The Company may assign any of its rights or delegate any of its obligations under this Agreement without the
prior consent of the Optionee. The Agreement will be binding upon and inure to the benefit of the successors and assigns of the Company. Subject to the restrictions on transfer set forth herein, this Agreement will be binding upon the Optionee and
the Optionee’s executors, administrators, and the person(s) to whom this Agreement may be transferred by will or the laws of descent or distribution. 

(e) Severability. The invalidity or unenforceability of any provision of the Plan or this Agreement shall not affect the validity or
enforceability of any other provision of the Plan or this Agreement, and each provision of the Plan and this Agreement shall be severable and enforceable to the extent permitted by law. 

(f) Discretionary Nature of Plan. The Plan is discretionary and may, subject to the terms of the Plan, be amended, cancelled, or
terminated by the Company at any time, in its discretion. The grant of the Option in this Agreement does not create any contractual right or other right to receive any options or other awards in the future. Future awards or grants, if any, will be
at the sole discretion of the Company. Any amendment, modification, or termination of the Plan shall not constitute a change or impairment of the terms and conditions of the Optionee’s employment with the Company or any Affiliate thereof. 

(g) No Impact on Other Benefits. The value of the Optionee’s Option is not part of his or her normal or expected compensation for
purposes of calculating any severance, retirement, welfare, insurance or similar employee benefit. 
 (h) Counterparts. This Agreement
may be executed in counterparts, each of which shall be deemed an original but all of which together will constitute one and the same instrument. Counterpart signature pages to this Agreement transmitted by facsimile transmission, by electronic mail
in portable document format (.pdf), or by any other electronic means intended to preserve the original graphic and pictorial appearance of a document, will have the same effect as physical delivery of the paper document bearing an original
signature. 

  
 7 

 IN WITNESS WHEREOF, the Company and Optionee have duly executed this Incentive Stock Option Agreement as
of the date first above written. 
  

							
	COMMERCE UNION BANCSHARES, INC.	 	OPTIONEE
				
	By:	 	 /s/ William R. DeBerry
	 	By:	 	 /s/ Wallace Edwin Gammon, Jr.

		 	William R. DeBerry	 		 	Wallace Edwin Gammon, Jr.
		 	Chairman and CEO	 		 	

  
 8 

 EXHIBIT A 

OPTIONEE’S ACCEPTANCE 
 I, Wallace
Edwin Gammon, Jr., hereby accept the foregoing Incentive Stock Option Agreement and agree to the terms and conditions thereof. Furthermore, I hereby acknowledge having received and read a copy of the Commerce Union Bancshares, Inc. 2015 Equity
Incentive Plan, as amended, and agree to comply with it and all applicable laws and regulations. 
 OPTIONEE 

 

			
	 /s/ Wallace E. Gammon Jr.

		 	Signature
	 Wallace E. Gammon Jr.

		 	Print name

  

					
		 	 608 Patriot Lane

		 	 Franklin, Tennessee 70508

		 		 	Address

  
 9 

 EXHIBIT B 

[Optionee may use this form or any similar form that contains the required information.] 

Notice of Stock Option Exercise 
  

			
	Date:	 	                                      
  1

 Commerce Union Bancshares, Inc. 

1736 Carothers Parkway, Suite 100 
 Brentwood, Tennessee 37027

 Attention: Chief Financial Officer 
 Dear Sir or Madam: 

I am the holder of                      2 Stock Option granted to me under the 2015 Commerce Union Bancshares, Inc. 2015 Equity Incentive Plan on
                     3 for the purchase of
             4 shares of Company Stock at the purchase price of $
                     5 per share. 

I hereby exercise my option to purchase
                     6 shares of Company Stock for which I have enclosed
             7 in the amount of              8. Please register my stock as follows: 
  

			
	Name(s):	 	  

		 	  

	Address:	 	  

	  

 Tax I.D. or Social Security Number:
                     
 I represent, warrant and
covenant as follows: 
  

	 	•	 	I am purchasing the shares for my own account for investment only and not with a view to, or for sale in connection with, any distribution of the shares in violation of the Securities Act of 1933 (the
“Securities Act”), or any rule or regulation under the Securities Act. 

  

	 	•	 	I have had such opportunity as I have deemed adequate to obtain from representatives of the Company such information as is necessary to permit me to evaluate the merits and risks of my investment in the Company.

  
  

	1 	Enter date of Exercise. 

	2 	Enter either “an Incentive” or “a Non-statutory.” 

	3 	Enter date of grant. 

	4 	Enter the total number of shares of Company Stock for which the Option was granted. 

	5 	Enter the Option Exercise Price per shares of Company Stock. 

	6 	Enter the number of shares of Company Stock to be purchased upon exercise of all or part of the Option. 

	7 	Enter “cash,” “wire transfer,” “personal check,” or if permitted by the Agreement and the Plan, “stock certificates Nos. XXXX and ZZZZ (or evidence of book entry ownership of such
shares). 

	8 	Enter the dollar mount (price per shares x the number of shares to be purchased), or the number of shares tendered. The Fair Market Value of shares tendered, together with cash or check, must cover the purchase price of
the shares issued upon exercise. 

  
 10 

	 	•	 	I have had sufficient experience in business, financial and investment matters to be able to evaluate the risks involved in the purchase of the shares and to make an informed investment decision with respect to such
purchase. 

  

	 	•	 	I can afford a complete loss of the value of the shares and am able to bear the economic risk of holding such shares for an indefinite period. 

 

	
	Very truly yours,
	
	  

	Signature

  
 11

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