Document:

EX-10.19

 Exhibit 10.19 

CAPITAL WARRANT AGREEMENT 

This Capital Warrant Agreement (“Agreement”) is executed as of this 1st day of October, 2013 by Third Coast Bancshares, Inc. (the
“Company”), a Texas corporation and registered bank holding company for Third Coast Bank, SSB (the “Bank”), in favor of the organizers of the Company listed on Exhibit A (each, an “Initial Holder”), in accordance
with the terms and subject to the conditions set forth in this Agreement. 
 WHEREAS, on January 17, 2013, the Bank entered into an
Agreement and Plan of Reorganization for the purpose of creating a parent holding company (the “Reorganization”); 
 WHEREAS, in
connection with the Reorganization, all of the outstanding shares of the Bank were exchanged for shares of the Company; 
 WHEREAS, in
connection with the formation of the Company pursuant to the Reorganization, Trident Advanced Capital Solutions, LLC, (the “Trident”) a Texas limited liability company funded the organizational expenses of the Company; 

WHEREAS, as a result of the Reorganization and the payment of formation costs of the Company, the Company issues warrants to purchase
additional shares of Company common stock (the “Warrants”); and 
 WHEREAS, in connection with Reorganization and issuance of the
Warrants, Trident subsequently distributes Warrants to the Holder. 
 NOW, THEREFORE, in consideration of the foregoing and the agreements
hereinafter set forth, the receipt and sufficiency of which are hereby acknowledged, the Company and, by acceptance of a Warrant, each Holder (as defined herein) agree as follows: 

1. Grant of Warrants. Subject to the terms, restrictions, limitations and conditions stated in this Agreement, the receipt and
sufficiency of which are hereby acknowledged, the Company hereby grants to Initial Holder the number of Warrants set forth beside his name on Exhibit A. Each Warrant initially shall be exercisable for one fully paid and nonassessable share of
common stock, par value $1.00 per share, of the Company (“Share”), subject to adjustment as provided in Section 11 of this Agreement. The Initial Holders and all subsequent registered holders of the Warrants (each, a
“Holder” and, collectively, the “Holders”) shall have the rights and obligations set forth in this Agreement. 
 2.
Warrant Certificates. Each Warrant shall be evidenced by a warrant certificate, which shall be substantially in the form attached to this Agreement as Exhibit B (“Warrant Certificate”). Each Warrant Certificate shall have
such marks of identification or designation and such legends or endorsements thereon as the Company deems appropriate, so long as they are not inconsistent with the provisions of this Agreement, or as are required to comply with any law, rule or
regulation applicable to the Company or the Shares. The Warrant Certificates shall be executed on behalf of the Company by the manual, facsimile or imprinted signature of its Chairman of the Board, its President or any senior vice president and
shall be attested by the manual, facsimile or imprinted signature its Secretary or any assistant secretary. 
 3. Term of Warrants.

 (a) The term for the exercise of the Warrants shall begin at 9:00 a.m., Humble, Texas time on the date that the Bank opens for business
(the “Issue Date”). The term for the exercise of 

 (a) The term for the exercise of the Warrants shall begin at 9:00 a.m., Humble, Texas time
on the date that the Company opens for business (the “Issue Date”). The term for the exercise of the Warrants shall expire at 12:00 a.m., Humble, Texas time on the earlier to occur of (i) the tenth anniversary of the Issue Date or
(ii) the date provided in Section 3(b) of this Agreement (the “Expiration Time”). 
 (b) Notwithstanding any provision of
this Agreement or any Warrant Certificate to the contrary, the Warrants shall expire, to the extent not exercised, within 45 days following the receipt of notice from the Bank’s state or primary federal regulator (“Regulator”) that
(i) the Bank has not maintained its minimum capital requirements (as determined by the Regulator) and (ii) the Regulator is requiring exercise or forfeiture of warrants. Upon receipt of such notice from the Regulator, the Bank promptly
shall notify each Holder that he must exercise the Warrants granted to him prior to the end of the 45-day period or such earlier period as may be specified by the Regulator or forfeit such Warrant(s). In case
of forfeiture, no Holder shall have any cause of action, of any kind or nature, against the Company, the Bank or any of their respective officers or directors with respect to the forfeiture. In addition, the Company shall not be liable to any Holder
due to the failure or inability of the Company to provide adequate notice to Holder. 
 4. Exercise of Warrants. The purchase price
per Share to be paid by a Holder for Shares subject to the Warrants shall be $11.00, subject to adjustment as set forth in Section 11 of this Agreement (the “Exercise Price”). A Holder may exercise Warrants evidenced by a Warrant
Certificate in whole or in part at any time prior to the Expiration Time by delivering to the secretary of the Company (i) the Warrant Certificate; (ii) a written notice to the Company specifying the number of Shares with respect to which
Warrants are being exercised; and (iii) a check for the full amount of the aggregate Exercise Price of the Shares being acquired. 
 5.
Delivery of Shares; Partial Exercise. Upon receipt of the items set forth in Section 4, and subject to the terms of this Agreement, the Company shall promptly deliver to, and register in the name of, the Holder a certificate or
certificates representing the number of Shares acquired by exercise of a Warrant. In the event of a partial exercise of Warrant(s), a new Warrant Certificate evidencing the number of Shares that remain subject to the Warrant shall be issued by the
Company to such Holder or to his duly authorized assigns. 
 6. Registration of Transfer and Exchange. 

(a) The Company shall keep, or cause to be kept, at its principal place of business or at such other location designated by the Company, a
register or registers in which, subject to such reasonable regulations as the Company may prescribe, the registrar and transfer agent (the “Securities Registrar”) shall register the Warrant Certificates and the transfers thereof as
provided herein (“Securities Register”). The initial Securities Registrar shall be the secretary of the Company, and thereafter, the Securities Registrar may be removed and/or appointed as authorized by the Company. 

(b) Upon surrender for registration of transfer of any Warrant Certificate, the Company shall issue and deliver to the Holder or his duly
authorized assigns, one or more new Warrant Certificates of like tenor and in like aggregate amount. 
 (c) At the option of the Holder,
Warrant Certificates may be exchanged for other Warrant Certificates of like tenor and in like aggregate amount upon surrender of the Warrant Certificates to be exchanged. Upon such surrender, the Company shall issue and deliver to the Holder or his
duly authorized assigns, one or more new Warrant Certificates of like tenor and in like aggregate amount. 

  
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instrument or instruments of transfer, in form satisfactory to the Company or the Securities Registrar, duly executed by the registered Holder or by such Holder’s duly authorized attorney in
writing. 
 7. Replacement of Warrant Certificates. 

(a) Upon receipt of evidence reasonably satisfactory to the Company of the loss, theft, destruction or mutilation of a Warrant Certificate and,
in the case of loss, theft or destruction, on delivery of an indemnity agreement reasonably satisfactory in form and amount to the Company or, in the case of mutilation, surrender and cancellation of such Warrant Certificate, the Company shall issue
and deliver to the Holder or his duly authorized assigns, one or more new Warrant Certificates of like tenor and in like aggregate amount. In the case of loss, theft or destruction of a Warrant Certificate, prior to the issuance of a replacement
Warrant Certificate, the Company may also require that a bond be posted in such amount as the Company may determine is necessary as indemnity against any claim that may be made against it with respect to such Warrant Certificate. 

(b) All Warrants shall be held and owned under the express condition that the provisions of this Section are exclusive with respect to the
replacement or payment of mutilated, destroyed, lost or stolen Warrant Certificates and shall preclude (to the extent lawful) all other rights and remedies, notwithstanding any law or statute existing or hereafter enacted to the contrary with
respect to the replacement or payment of negotiable instruments or other securities without their surrender. 
 (c) Upon the issuance of any
new Warrant Certificate under this Section, the Company may require the payment of a sum sufficient to cover any tax or other governmental charge that may be imposed in relation thereto and any other expenses (including the fees and expenses of the
Company and its agents and counsel) connected therewith. 
 (d) Every new Warrant Certificate issued pursuant to this Section shall
constitute an additional contractual obligation of the Company, whether or not the mutilated, destroyed, lost or stolen Warrant Certificate shall be at any time enforceable by anyone, and shall be entitled to all the benefits of this Agreement
equally and proportionately with any and all other Warrant Certificates duly issued hereunder. 
 8. Persons Deemed Holders. Prior to
the due presentment of a Warrant Certificate for registration of transfer or exchange, the Company, any Securities Registrar and any other agent of the Company may treat the person in whose name such Warrant Certificate is registered in the
Securities Register as the sole Holder of such Warrant Certificate and of the Warrant represented by such Warrant Certificate for all purposes whatsoever, and shall not be bound to recognize any equitable or other claim to or interest in such
Warrant Certificate or in the Warrant represented by such Warrant Certificate on the part of any person and shall be unaffected by any notice to the contrary. 

9. Cancellation. All Warrant Certificates surrendered for the purpose of exercise, exchange or registration of transfer shall be
cancelled by the Securities Registrar, and no Warrant Certificates shall be issued in lieu thereof, except as expressly permitted by the provisions of this Agreement. 

10. Fractional Shares. The Company shall not be required to issue Warrant Certificates exercisable for fractional Shares or to issue
fractional Shares upon the exercise of Warrants. Warrant Certificates exercisable for fractional Shares shall expire as of the Expiration Date, and a Holder of such Warrant Certificates shall not be entitled to any consideration of any kind or
nature in respect of such Warrant or Warrant Certificate. 

  
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 11. Stock Dividends. Splits. Etc. 

(a) If, prior to the Expiration Time, the Company shall subdivide its outstanding Shares into a greater number of Shares, or declare and pay a
dividend of its Shares payable in additional Shares, the Exercise Price, as then in effect, shall be proportionately reduced, and the Company shall proportionately increase the number of Shares then subject to exercise under this Warrant (and not
previously exercised). 
 (b) If, prior to the Expiration Time, the Company shall combine its outstanding Shares into a lesser number of
Shares, the Exercise Price, as then in effect, shall be proportionately increased, and the Company shall proportionately reduce the number of Shares then subject to exercise under this Warrant (and not previously exercised). 

12. Reorganization, Reclassifications, Consolidation or Merger. If, prior to the Expiration Time, there shall be a reorganization or
reclassification of the Shares (other than as provided in Section 11 of this Agreement), or any consolidation or merger of the Company with another entity, the Holder shall be entitled to receive, during the remainder of the term of this
Agreement and upon payment of the Exercise Price, the number of shares of stock or other securities or property of the Company or of the successor entity (or its parent company) resulting from such consolidation or merger, as the case may be, to
which a holder of Shares, deliverable upon the exercise of a Warrant, would have been entitled upon such reorganization, reclassification, consolidation or merger; and, in any case, the Company shall make appropriate adjustments (as determined by
the board of directors of the Company in its sole discretion) in the application of the provisions with respect to the rights and interests of the Holders so that the provisions set forth in this Agreement (including the adjustment to the Exercise
Price and the number of Shares issuable upon exercise of the Warrants) shall be applicable, as nearly as may be practicable, to any shares or other property thereafter deliverable upon the exercise of this Warrant. 

13. Certificate as to Adjustments; Issuance of New Warrant Certificates. Within thirty (30) days following any adjustment provided
for in Section 11 or 12 of this Agreement, the Company shall give written notice of the adjustment to the Holders as provided in Section 14(a) of this Agreement. The notice shall state the Exercise Price as adjusted and the increased or
decreased number of shares purchasable upon the exercise of the Warrant(s) and shall set forth in reasonable detail the method of calculation for each. Notwithstanding anything to the contrary set forth herein or in the Warrant Certificates, the
Company may, at its option, issue new Warrant Certificates evidencing the Warrants, in such form as may be approved by the Company, to reflect any adjustment or change in the Exercise Price and the number or kind of stock or other securities or
property purchasable upon exercise of the Warrants. 
 14. Miscellaneous. 

(a) Any notice or other communication required or permitted to be made hereunder shall be in writing, duly signed by the party giving such
notice or communication and shall be deemed delivered and effective when given personally or mailed by first-class registered or certified mail, postage prepaid as follows (or at such other address for a party as shall be specified by like notice):
(i) if given to the Company, at its principal place of business and (ii) if given to a Holder, at the address set forth for the Holder on the books and records of the Company. A notice given to the Company by a Holder with respect to the
exercise of a Warrant shall not be effective until received by the Company. 
 (b) The Company shall, at all times, reserve and keep
available out of its authorized and unissued Shares or out of any Shares held in treasury that number of Shares that will from time to time be sufficient to permit the exercise in full of all outstanding Warrants. The Company shall take all such
action as may be necessary to ensure that all Shares delivered upon exercise of any Warrants shall, at 

  
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 the time of delivery of the Warrant Certificates for such Shares, be duly authorized,
validly issued, fully paid and nonassessable. 
 (c) The Company shall pay when due and payable any and all federal and state transfer taxes
and charges (other than any applicable income taxes) that may be payable in respect of the issuance and delivery of Warrant Certificates or of certificates for Shares receivable upon the exercise of any Warrants; provided, however, that the Company
shall not be required to pay any tax that may be payable in respect of the issuance and delivery (i) of any Warrant Certificate or stock certificate registered in a name other than that of the Holder of the Warrant Certificate that has been
surrendered or (ii) of any Warrant Certificate under Section 7. 
 (d) No Holder, in his capacity as such, shall be entitled to
vote or receive dividends or shall be deemed for any other purpose the holder of the Shares or other securities which may at any time be issuable upon the exercise of such Warrant. Nothing contained herein or in any Warrant Certificate shall be
construed to confer upon any Holder, in his capacity as such, any of the rights of a shareholder of the Company, including any right to vote for the election of directors or upon any matter submitted to shareholders of the Company at any meeting
thereof, to give or withhold consent to any corporate action, or to receive notices of meeting or other actions affecting shareholders. 

(e) Each Holder, by accepting a Warrant Certificate, accepts and agrees to the terms of this Agreement. The terms of this Agreement shall be
binding upon the Company and the Holders and their respective heirs, successors, representatives and permitted assigns. Nothing expressed or referred to herein is intended or will be construed to give any person other than the Company or the Holders
any legal or equitable right, remedy or claim under or in respect of this Agreement, or any provision herein contained, it being the intention of the Company and the Holders that this Agreement, the assumption of obligations and statements of
responsibilities hereunder, and all other conditions and provisions hereof are for the sole benefit of the Company and the Holders and for the benefit of no other person. 

(f) This Agreement constitutes the full understanding of the Company and the Holders, a complete allocation of risks between them and a
complete and exclusive statement of the terms and conditions of their agreement relating to the subject matter hereof and supersedes any and all prior agreements, whether written or oral, that may exist between the Company and any Holder with
respect thereto. Except as otherwise specifically provided in this Agreement, no conditions, usage of trade, course of dealing or performance, understanding or agreement purporting to modify, vary, explain or supplement the terms or conditions of
this Agreement will be binding unless hereafter or contemporaneously herewith made in writing and signed by the party to be bound, and no modification will be effected by the acknowledgment or acceptance of documents containing terms or conditions
at variance with or in addition to those set forth in this Agreement. 
 (g) The headings contained in this Agreement are for convenience of
reference only and will not affect in any way the meaning or interpretation of this Agreement. The words “hereof,” “herein” and “hereunder” and words of similar import when used in this Agreement will refer to this
Agreement as a whole and not to any particular provision in this Agreement. Each use herein of the masculine, neuter or feminine gender will be deemed to include the other genders. Each use herein of the plural will include the singular and vice
versa, in each case as the context requires or as is otherwise appropriate. The word “or” is used in the inclusive sense. References to a person are also to its permitted successors or assigns. No provision of this Agreement is to be
construed to require, directly or indirectly, any person to take any action, or omit to take any action, which action or omission would violate applicable law (whether statutory or common law), rule or regulation. 

  
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 (h) This Agreement shall terminate upon the earlier of (i) the Expiration Time or
(ii) the close of business on the date on which all Warrants shall have been exercised. 
 (i) Notwithstanding anything in this
Agreement to the contrary, no Warrants will be exercisable and the Company will not be obligated to issue shares of common stock upon the exercise of Warrants unless at the time a Holder seeks to exercise such Warrants, a prospectus or registration
statement relating to the common stock issuable upon exercise of the Warrants is current with and the common stock has been registered or qualifies for or is deemed to be exempt under the securities laws of the United States and the state of
residence of the Holder of the Warrants. In the event that a prospectus or registration statement relating to the common stock issuable upon exercise of the Warrants is not current with and the common stock has not been registered or do not qualify
for or is not deemed to be exempt under the securities laws of the United States and the state of residence of the Holder of the Warrants, Holders will be unable to exercise Warrants and the Company will be under no obligation to settle any such
Warrant exercise. 
 THIS AGREEMENT, EACH WARRANT AND EACH WARRANT CERTIFICATE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH,
THE LAWS OF THE STATE OF TEXAS WITHOUT REGARD TO THE LAWS THAT MIGHT OTHERWISE GOVERN UNDER APPLICABLE PRINCIPLES OF CONFLICTS OF LAWS. IN THE EVENT OF A DISPUTE INVOLVING THIS AGREEMENT, THE PARTIES IRREVOCABLY AGREE THAT VENUE FOR SUCH DISPUTE
SHALL LIE EXCLUSIVELY IN A COURT OF COMPETENT JURISDICTION IN HARRIS COUNTY, TEXAS. 
 [Signature Page Follows] 

  
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 IN WITNESS WHEREOF, the Company has caused this Agreement to be executed by a duly
authorized officer as of the date first above written. 
  

			
	THIRD COAST BANCSHARES, INC.
		
	By:	 	      

  
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 EXHIBIT A 

LIST OF INITIAL HOLDERS 
  

					
	 Martin Basaldua
	  	 	857	 
	 Bart Caraway
	  	 	857	 
	 Travis Fox
	  	 	858	 
	 Troy Glander
	  	 	857	 
	 Phelan Development Corporation
	  	 	857	 
	 Donald Alton LaBove II
	  	 	857	 
	 The Stunja Family Trust
	  	 	857	 

  
 A-1 

 EXHIBIT B 

FORM OF WARRANT CERTIFICATE 

THE TRANSFER OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE IS SUBJECT TO THE RESTRICTIONS SPECIFIED IN THAT CERTAIN WARRANT AGREEMENT
DATED AS OF July 1, 2013, BY THIRD COAST BANCSHARES, INC., A TEXAS CORPORATION (“COMPANY”), IN FAVOR OF THE ORGANIZERS LISTED ON EXHIBIT A THERETO, AS THE SAME MAY BE AMENDED FROM TIME TO TIME (“AGREEMENT”). A COPY OF
THE FORM OF THE AGREEMENT IS ON FILE AND MAY BE INSPECTED AT THE PRINCIPAL EXECUTIVE OFFICE OF THE COMPANY DURING NORMAL BUSINESS HOURS. THE HOLDER OF THIS CERTIFICATE, BY ACCEPTANCE OF THIS CERTIFICATE, AGREES TO BE BOUND BY THE PROVISIONS OF THE
AGREEMENT. 
  

					
	No. W-	  		  	Number of Warrants: __

 THIRD COAST BANCSHARES, INC. 

WARRANT CERTIFICATE 
 This Warrant
Certificate certifies that                                 , or registered assigns, is
the registered holder of a warrant to purchase the number of fully-paid and non-assessable shares of common stock, par value $1.00 per share, of the Company (“Shares”) set forth above, at the
exercise price, subject to adjustment in certain events (“Exercise Price”), of $11.00 per share (“Warrant”). 
 The Warrant evidenced by
this Warrant Certificate is part of a duly authorized issue of Warrants issued pursuant to the Agreement, which is hereby incorporated by reference in and made a part of this instrument and is hereby referred to for a description of the rights,
limitation of rights, obligations, duties and immunities thereunder of the Company and the Holder. All terms used, but not otherwise defined, in this Warrant Certificate shall have the meanings assigned to them in the Agreement. If any provision of
this Warrant Certificate conflicts with a provision of the Agreement, the provision of the Agreement shall supersede. 
 This Warrant may not be exercised
after 5:00 p.m., Humble, Texas time, on the earlier to occur of (i) the tenth anniversary of the Issue Date, or (ii) the date provided in Section 3(b) of the Agreement (the “Expiration Time”). 

The Holder may exercise the Warrant evidenced by this Warrant Certificate in whole or in part at any time prior to the Expiration Time by delivering to the
secretary of the Company (i) the Warrant Certificate, (ii) a written notice to the Company specifying the number of Shares with respect to which Warrants are being exercised and (iii) a check for the full amount of the aggregate
Exercise Price of the Shares being acquired. 
 Upon receipt of the items set forth above, and subject to the terms of the Agreement, the Company shall
promptly deliver to, and register in the name of, the Holder a certificate or certificates representing the number of Shares acquired by exercise of this Warrant. In the event of a partial exercise of this Warrant, a new Warrant Certificate
evidencing the number of Shares that remain subject to this Warrant shall be issued by the Company to such Holder or to his duly authorized assigns. 

  
 B-2 

 The Agreement provides that upon the occurrence of certain events the Exercise Price and the type and/or
number of the Company’s securities issuable thereupon may, subject to certain conditions, be adjusted. In such event, the Company may, at its option, issue a new Warrant Certificate evidencing the adjustment in the Exercise Price and the number
and/or type of securities issuable upon the exercise of the Warrants. 
 Upon surrender for registration of transfer of this Warrant Certificate, subject to
the terms of the Agreement, the Company shall issue and deliver to the Holder or his duly authorized assigns, one or more new Warrant Certificates of like tenor and in like aggregate amount. 

Prior to the due presentment of this Warrant Certificate for registration of transfer or exchange, the Company, any Securities Registrar and any other agent
of the Company may treat the person in whose name this Warrant Certificate is registered in the Securities Register as the sole Holder of this Warrant Certificate and of the Warrant represented by this Warrant Certificate for all purposes
whatsoever, and shall not be bound to recognize any equitable or other claim to or interest in this Warrant Certificate or in the Warrant represented by this Warrant Certificate on the part of any person and shall be unaffected by any notice to the
contrary. 
 The Holder, in his capacity as such, shall not be entitled to vote or receive dividends or shall be deemed from any other purpose the holder of
the Shares or other securities which may at any time be issuable upon the exercise of this Warrant. Nothing contained in this Warrant Certificate shall be construed to confer upon the Holder, in his capacity as such, any of the rights of a
shareholder of the Company, including any right to vote for the election of directors or upon any matter submitted to shareholders of the Company at any meeting thereof, to give or withhold consent to any corporate action, or to receive notices of
meeting or other actions affecting shareholders. 
 Any notice or other communication required or permitted to be made by the Holder to the Company shall be
in writing, duly signed by the Holder and shall be deemed delivered and effective when given personally or mailed by first-class registered or certified mail, postage prepaid to the Company, at its principal place of business (or such other address
as designated in writing to the Holder by the Company). A notice given to the Company by a Holder with respect to the exercise of this Warrant shall not be effective until received by the Company. 

IN WITNESS WHEREOF, the Company has caused this Warrant Certificate to be duly executed under its seal. 

Dated as of
                                 , 2013. 

 

			
	 THIRD COAST BANCSHARES, INC.,

a Texas corporation

		
	By:	 	
                     

	Name:
	Title:

  

			
	[SEAL]
	
	Attest:
	By:	 	              

	Name:
	Title:

  
 B-3EX-10.20

 Exhibit 10.20 

THIRD COAST BANCSHARES, INC. 2017 NON-EMPLOYEE DIRECTOR STOCK OPTION PLAN 

STOCK OPTION AGREEMENT 

This Stock Option Agreement (this “Agreement”) is made and entered into as of the Date of Grant set forth below (the “Date Of
Grant”) by and between Third Coast Bancshares, Inc., a Texas corporation and registered bank holding company (the “Company”), and the individual named below (“Optionee”). Capitalized terms not defined herein shall have the
meanings ascribed to them in the Third Coast Bancshares, Inc. 2017 Non-Employee Director Stock Option Plan (the “Plan”). 

OPTIONEE: 
 SOCIAL SECURITY NUMBER: 

OPTIONEE’S ADDRESS: 
 OPTION SHARES: 

EXERCISE PRICE: 
 DATE OF GRANT: 

VESTING START DATE: 
 EXPIRATION DATE: (unless earlier
terminated hereunder): 
 TYPE OF STOCK
OPTION:                     NONQUALIFIED STOCK OPTION 
  

	 	1.	 GRANT OF OPTION. The Company hereby grants to Optionee an option (this “Option”) to purchase up to
the total number of shares of Common Stock of the Company set forth above as Option Shares (collectively, the “Shares”) exercisable at the Exercise Price Per Share, as set forth above (the “Exercise Price”), subject to all of the
terms and conditions of the Agreement and the Plan. This Option may not be exercised for a fraction of a share. 

  

	 	2.	 VESTING; EXERCISE PERIOD. 

 

	 	2.01	 Vesting of Shares. This Option shall be exercisable as it vests. Subject to the terms and conditions of
the Plan and this Agreement, this Option shall become exercisable as to portions of the Shares as follows:
[                                         
                

   

 

  

 

  

 

	 	  	 __________________________]. Notwithstanding, this Option shall vest and be exercisable in full upon the
Optionee’s death, Disability, or upon a Change in Control. 

  
 Page 1 of 9 

	 	2.02	 Continuance of Service/Employment Required. The vesting schedule described in Section 2.01 above,
requires continued employment or service through each applicable vesting date as a condition to the vesting of the applicable installment of this Option and the rights and benefits under this Option. Service or employment for only a portion of the
vesting period, even if a substantial portion, will not entitle the Optionee to any proportionate vesting or avoid or mitigate a termination of rights and benefits upon or following a termination of service or employment. If the Optionee ceases to
serve the Company or an Affiliate or as a director or employee for any reason other than death or Disability, the Option or portion thereof that is not exercisable on the date of such termination of service or employment shall immediately expire,
and the Option or portion thereof that is exercisable, unless stated otherwise, herein, on the date of such termination of service or employment may be exercised during a 90-day period after such date (after
which period the Option shall expire), but in no event may the Option be exercised after its expiration under the terms of the Option. If the Optionee ceases to serve the Company or an Affiliate or as a director or employee due to death or
Disability, the Option may be exercised during a 365-day period after such date (after which period the Option shall expire), but in no event may the Option be exercised after its expiration under the terms of
the Option. 

  

	 	2.03	 Expiration. This Option shall expire on the Expiration Date set forth above and must be exercised, if at
all, on or before the Expiration Date. In no event may this Option be exercised after the Expiration Date. 

  

	 	3	 MANNER OF EXERCISE. 

  

	 	3.01	 Stock Option Exercise Agreement. To exercise this Option, Optionee (or in the case of exercise after
Optionee’s death, Optionee’s executor, administrator, heir or legatee, as the case may be) must deliver to the Secretary of the Company an executed stock option exercise agreement in such form as may be approved by the Company from time to
time (the “Exercise Agreement”), which shall set forth, inter alia, Optionee’s election to exercise this Option, the number of Shares with respect to which the Option is being exercised, any restrictions imposed on the Shares and any
representations, warranties and agreements regarding Optionee’s investment intent and access to information as may be required by the Company to comply with applicable securities laws. If someone other than Optionee exercises this Option, then
such person must submit documentation reasonably acceptable to the Company that such person has the right to exercise this Option. 

  

	 	3.02	 Limitations on Exercise. This Option may not be exercised unless such exercise is in compliance with all
applicable federal and state securities laws, as they are in effect on the date of exercise. In addition, to the extent allowed by applicable law, if the Optionee is indebted to the Company on the date of vesting, the Optionee’s right to
exercise this Option shall be suspended until such time as the Optionee satisfies in full any such indebtedness; provided that a suspension under this Section 3.02 shall not extend the Expiration Date. 

  
 Page 2 of 9 

	 	3.03	 Payment. The Exercise Agreement shall be accompanied by full payment of the Option Exercise Price for
the Shares being purchased by cash, check, bank draft, money order or wire transfer of immediately available funds to the Company in the amount equal to the number of Option Shares to be acquired multiplied by the Exercise Price or, if permitted by
the Company’s Board of Directors (the “Board”), at its sole discretion, where permitted by law: 

  

	 	(a)	 By delivery to the Company (either by actual delivery or attestation) of shares of Common Stock;

  

	 	(b)	 By a “net exercise” arrangement pursuant to which the Company will reduce the number of Shares
issuable upon exercise of the Option by the largest whole number of shares with a fair market value (as defined in Section 2(j) of the Plan) that does not exceed the aggregate Exercise Price; provided, however, that the Company shall accept a
cash or other payment from the Optionee to the extent of any remaining balance of the aggregate Exercise Price not satisfied by such reduction in the number of whole shares to be issued; and provided, further, that shares of Common Stock will no
longer be subject to an Option and will not be exercisable thereafter to the extent that (A) shares issuable upon exercise are reduced to pay the exercise price pursuant to the “net exercise,” and/or (B) shares are delivered to
the Optionee as a result of such exercise; or 

  

	 	(c)	 In any other form of legal consideration that may be acceptable to the Board in its sole discretion and
permissible under applicable law. 

  

	 	3.04	 Tax Withholding. To the extent required by applicable federal, state or local law, an Optionee must make
arrangements satisfactory to the Company for the payment of any withholding or similar tax obligations that arise in connection with the Plan. 

  

	 	3.05	 Issuance of Shares. Provided that the Exercise Agreement and payment of the Exercise Price are in form
and substance satisfactory to counsel for the Company, the Company shall issue the Shares registered in the name of Optionee, Optionee’s authorized assignee, Optionee’s legal representative, or such other name as Optionee directs in
writing; provided, however, that such delivery shall be deemed effected for all purposes when a stock transfer agent of the Company shall have deposited such certificates in the United States mail, addressed to the Optionee at the Optionee’s
Address specified pursuant to this Option. 

  

	 	4	 ACCELERATION OF OPTIONS. Notwithstanding anything to the contrary contained in this Plan, the Board may, in its
sole discretion, accelerate the time at which any option may be exercised, including, but not limited to, upon the occurrence of the events specified herein. 

  

	 	5	 COMPLIANCE WITH LAWS AND REGULATIONS. The exercise of the Option and the issuance and transfer of Shares shall
be subject to compliance by the Company and Optionee with all applicable requirements of federal and state securities laws and with all applicable requirements of any stock exchange on which the Company’s Common Stock may be listed at the time
of such issuance or transfer. 

  
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	 	6	 RESTRICTIONS ON TRANSFER. This Option is personal to Optionee and, without the express written consent of
Company which shall be given in Company’s sole discretion, may not be transferred by Optionee in any manner other than by will or by the laws of descent and distribution and may be exercised during the lifetime of Optionee only by Optionee or
by Optionee’s legal representative in the event of Optionee’s legal incapacity. The terms of the Option shall be binding upon the executors, administrators, successors and assigns of Optionee. Optionee acknowledges that the Shares have not
been registered under the Securities Act and that the Company is not obligated to register the Shares under the Securities Act. Anything in the Agreement to the contrary notwithstanding, Optionee shall not sell, transfer or otherwise dispose of the
Shares without registration under the Securities Act or unless (a) an exemption from registration is available, (b) Optionee has furnished the Company with written notice of the proposed transfer and (c) legal counsel to the Company
has determined that the proposed transfer is exempt from registration. 

  

	 	7	 PURCHASE FOR INVESTMENT. Unless the Shares have been registered under the Securities Act of 1933, as
amended, or the Company has determined that such registration is unnecessary, Optionee may be required by the Company to give a representation in writing that he or she is acquiring such Shares for his own account for investment and not with a view
to, or for sale in connection with, the distribution of any part thereof. 

  

	 	8	 OPTIONEE REPRESENTATION. Optionee hereby represents and warrants to the Company that (a) the execution,
delivery and performance of this Option by Optionee does not and will not conflict with, breach, violate or cause a default under any contract, agreement, instrument, order, judgment or decree to which Optionee is a party or by which he is bound;
(b) Optionee is acquiring this Option, and will acquire the Shares, for his own account and not with a view towards the distribution thereof; (c) Optionee will bear the economic risk of an investment in the Option Shares, which cannot be
sold unless the transaction is registered under the Securities Act of an exemption from registration is available; (d) Optionee has had the opportunity to ask questions of and to receive answers from the officers and directors of the Company
who possess such information or can acquire it without unreasonable effort or expense; (e) Optionee is aware that the Company may place stop-transfer orders with its transfer agent against the transfer of the Shares in the absence of
registration under the Securities Act or the availability of an exemption from registration; (f) upon the execution and delivery of this Agreement by the Company, this Option shall be the valid and binding obligation of Optionee, enforceable in
accordance with its terms; and (g) Optionee has consulted with (or has had an opportunity to consult with) independent legal counsel regarding his rights and obligations under this Option (including, without limitation, the Plan) and that he
fully understands the terms and conditions contained herein and therein. 

  

	 	9	 PROHIBITED ACTIVITY. 

 

	 	9.01	 General. If the Optionee engages in any “Prohibited Activity,” this Agreement will terminate
effective as of the date on which the Optionee first engages in such activity, unless sooner terminated pursuant to the terms of this Agreement. In addition, if the Optionee has exercised all or any portion of the Option within the period beginning
365 days prior to the Optionee first engaging in the Prohibited Activity, any “Option Gain” shall be paid by the Optionee to the Company. 

  
 Page 4 of 9 

	 	9.02	 Defined. For purposes of this provision, the term Prohibited Activity shall include:

  

	 	(a)	 Conduct related to the Optionee’s services or employment for which either civil or criminal penalties
against the Optionee may be sought; 

  

	 	(b)	 Violation of Company policies; 

 

	 	(c)	 Accepting employment with or serving as a consultant, advisor, or in any other capacity to an employer that is
in competition with or acting against the interests of the Company, including employing or recruiting any present, former, or future employee of the Company; or 

 

	 	(d)	 Disclosing or misusing any confidential information or material concerning or belonging to the Company.

  

	 	9.03	 Option Gain. For purposes of this provision, the term Option Gain shall mean any gain represented by the
market value per Share on the date of such exercise(s) over the exercise price per Share, multiplied by the number of Shares subject to the Option exercise, without regard to any subsequent market price decrease or increase. 

 

	 	9.04	 Consent. By accepting this Option, the Optionee consents to a deduction from any amounts the Company
owes the Optionee from time to time (including amounts owed to the Optionee as wages or other compensation, fringe benefits, or vacation pay, as well as any other amounts owed to the Optionee by the Company), to the extent of any amounts the
Optionee is obligated to pay the Company under Section 9.01 above. Whether or not the Company elects to make any set-off, in whole or in part, if the Company does not recover by means of set-off the full amount the Optionee owes, calculated as set forth above, the Optionee agrees to pay immediately the unpaid balance to the Company. 

 

	 	9.05	 Release. The Optionee may be released from the Optionee’s obligations under this Section 9
only if the Board determines that, in its sole discretion, such action is in the best interests of the Company. 

  

	 	10	 NON-SOLICITATION. 

 

	 	10.01	 Non-solicitation Restrictions. In consideration of the Option,
the Optionee agrees and covenants not to: 

  

	 	(a)	 directly or indirectly, solicit, hire, recruit, attempt to hire or recruit, or induce the termination of
employment of any employee of the Company or its Affiliates for one (1) year following the Optionee’s termination of employment or other service; 

  

	 	(b)	 directly or indirectly, solicit, contact (including, but not limited to,
e-mail, regular mail, express mail, telephone, fax, and instant message), attempt to 

  
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contact or meet with the current, former or prospective customers of the Company or any of its Affiliates for purposes of offering or accepting goods or services similar to or competitive with
those offered by the Company or any of its Affiliates for a period of one (1) year following the Optionee’s termination of employment or other service. 

  

	 	10.02	 Enforcement of Non-solicitation Restrictions. In the event of a
breach or threatened breach by the Optionee of any of the covenants contained in Section 10.01: 

  

	 	(a)	 any unvested portion of the Option shall be forfeited effective as of the date of such breach, unless sooner
terminated by operation of another term or condition of this Agreement or the Plan; and 

  

	 	(b)	 the Optionee hereby consents and agrees that the Company shall be entitled to seek, in addition to other
available remedies, a temporary or permanent injunction or other equitable relief against such breach or threatened breach from any court of competent jurisdiction, without the necessity of showing any actual damages or that money damages would not
afford an adequate remedy, and without the necessity of posting any bond or other security. The aforementioned equitable relief shall be in addition to, not in lieu of, legal remedies, monetary damages or other available forms of relief.

  

	 	11	 CLAWBACK. All Options are subject to the Company’s Clawback Policy as in effect from time to time and, in
accordance with such policy, may be subject to the requirement that any Option Gain be repaid to the Company after they have been distributed to the Participant. The action permitted to be taken by the Company under this Section 11 is in
addition to, and not in lieu of, any and all other rights of the Company under applicable law and will apply notwithstanding anything to the contrary in the Plan. 

 

	 	12	 REPURCHASE OF STOCK. 

 

	 	12.01	 Company Repurchase Right. 

 

	 	(a)	 Unless otherwise provided hereunder, upon termination, whether by the Optionee or by the Company, for any
reason, of Optionee’s employment or other service, the Company may, at the Company’s sole discretion, repurchase from Optionee and Optionee shall sell to the Company any and all Shares acquired pursuant to this Agreement (the “Covered
Shares”). In the event the Company elects to repurchase Covered Shares, the Company shall deliver written notice of repurchase (the “Repurchase Notice”) to Optionee (or any subsequent holder of the Covered Shares) no more than 180
days following the day of termination specifying (x) the number of Covered Shares that the Company intends to repurchase, and (y) the purchase price for the Covered Shares (the “Purchase Price”), which shall be the lesser of
(i) a price equal to the multiple of one and one quarter percent (1.25%) of the book value per share of the Common Stock of the Company as of the most recent fiscal quarter ended or (ii) the most recent

  
 Page 6 of 9 

	 	
Current Valuation of the Company if a Current Valuation has been performed during the twelve months preceding the date of the Repurchase Notice. The above calculation of the Purchase Price shall
be determined by the Company, in its sole discretion, and shall be binding on Optionee, absent manifest error. 

  

	 	(b)	 If the Company elects to repurchase the Covered Shares, Optionee hereby agrees to effectuate any and all
measures and deliver any and all documents reasonably requested by the Company to effect the sale of the Covered Shares at the Company’s main office or at such other place and time as mutually agreed to by the Company and the Optionee within
ten (10) days following the receipt of any necessary regulatory approvals and the expiration of any regulatory waiting periods. 

  

	 	(c)	 The Company and the Optionee agree that the stock records of the Company and any certificates representing the
Shares shall bear a legend that shall read as follows: 

 “THE SHARES EVIDENCED BY THIS CERTIFICATE ARE SUBJECT TO A
REPURCHASE RIGHT BY THIRD COAST BANCSHARES, INC. (THE “COMPANY”) PURSUANT TO THE TERMS AND CONDITIONS OF THAT CERTAIN STOCK OPTION AGREEMENT BETWEEN THE COMPANY AND THE ORIGINAL HOLDER OF THIS CERTIFICATE. ANY HOLDER OF THIS CERTIFICATE
TAKES THE SAME AND HOLDS IT SUBJECT TO THE TERMS AND CONDITIONS OF SUCH AGREEMENT. ALL PROVISIONS OF SUCH AGREEMENT ARE INCORPORATED BY REFERENCE IN THIS CERTIFICATE. A COPY OF THE AGREEMENT MAY BE INSPECTED AT THE PRINCIPAL OFFICE OF THE
COMPANY.” 
  

	 	12.02	 Company Repurchase Right in the Event of a Corporate Change. Notwithstanding anything to the contrary in
Section 12.01, any repurchase noticed by the Company in accordance with this Section 12 following a Corporate Change shall only be effective if the Optionee delivers to the Company within five (5) business days a written notice of
Optionee’s consent to such repurchase. The Company’s notice of repurchase following a Corporate Change shall include notice of the language in this provision. Optionee’s consent to such repurchase in the event of Corporate Change
shall be in Optionee’s sole discretion. 

  

	 	13	 PRIVILEGES OF STOCK OWNERSHIP. Optionee shall not have any of the rights of a shareholder with respect to any
Shares until the Shares are issued to Optionee. 

  

	 	14	 NO ADDITIONAL EMPLOYMENT RIGHTS. Optionee shall be considered to be in the employment of the Company or its
Affiliates or in service on the Board or as a service provider so long as Optionee remains an employee, director, advisory director or other service provider of the Company or its Affiliates. Any questions as to whether and when there has been a
termination of such employment or service and the cause of such termination shall be determined by the Board, and its determination shall be final. Nothing contained herein or as 

  
 Page 7 of 9 

	 	
a result of any option granted pursuant to this Agreement shall be construed as conferring upon Optionee the right to continue in the employ or service of the Company or its Affiliates, nor shall
anything contained herein be construed or interpreted to limit the “employment at will” relationship between Optionee and the Company or its Affiliates. 

 

	 	15	 SUCCESSORS AND ASSIGNS. The Company may assign any of its rights under this Agreement. This Agreement shall 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 shall be binding upon Optionee and Optionee’s heirs, executors, administrators, legal
representatives, successors and assigns. 

  

	 	16	 NOTICES. Any notice required to be given or delivered to the Company under the terms of this Agreement shall be
in writing and addressed to the Corporate Secretary of the Company at its principal office. Any notice required to be given or delivered to Optionee shall be in writing and addressed to Optionee at the address indicated above or to such other
address as such party may designate in writing from time to time to the Company. All notices shall be deemed to have been given or delivered upon: personal delivery; three (3) days after deposit in the United States mail by certified or
registered mail (return receipt requested); one (1) business day after deposit with any return receipt express courier (prepaid); or one (1) business day after transmission by facsimile. 

 

	 	17	 TAX TREATMENT. Neither party hereto has made any representations or warranties to the other party with respect
to the tax treatment of the transactions contemplated hereby. Optionee acknowledges that there may be adverse tax consequences upon exercise of this Option or disposition of the Shares and that the Company has advised Optionee to consult a tax
advisor prior to such exercise or disposition. 

  

	 	18	 AMENDMENT AND WAIVER. The provisions of this Option may be amended or waived only with the prior written
consent of the Board and Optionee, and no course of conduct or failure or delay in enforcing the provisions of this Option shall affect the validity, binding effect or enforceability of this Option. 

 

	 	19	 HEADINGS. The headings of the Sections hereof are provided for convenience only and are not to serve as a basis
for interpretation or construction, and shall not constitute a part, of this Option. 

  

	 	20	 GOVERNING LAW. This Agreement shall be governed by and construed in accordance with the internal laws of the
State of Texas, without regard to that body of law pertaining to choice of law or conflict of law. 

  

	 	21	 ENTIRE AGREEMENT. This Agreement constitutes the entire agreement and understanding of the parties hereto with
respect to the subject matter hereof and supersedes all prior understanding and agreements with respect to such subject matter. 

  

	 	22	 INTERPRETATION. Any dispute regarding the interpretation of this Agreement shall be submitted by Optionee of
the Company to the Board for review. The resolution of such a dispute by the Board shall be final and binding on the Company and Optionee. 

  

  
 Page 8 of 9 

	 	23	 ACCEPTANCE. Optionee has read and understands the terms and provisions of this Agreement, and accepts this
Option subject to all the terms and conditions hereof. 

 IN WITNESS WHEREOF, the Company has caused this Agreement to be executed in
duplicate by its duly authorized representative and Optionee has executed this Agreement in duplicate as of the Date of Grant. 
 Executed
this _____ day of _____________, 20___. 
  

									
	 Third Coast Bancshares, Inc.
	 		 	 OPTIONEE

					
	 By:
	 		 		 	 By:
	 	  

	  
	 		 		 	
		 		 		 	 Name
	 	

  
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