Document:

EX-10.5

 Exhibit 10.5 

FORM FOR ARSANIS, INC. 2017 EQUITY INCENTIVE PLAN 

(JUNE 2019) 
 Restricted Stock
Unit No.             
 X4 PHARMACEUTICALS, INC. 

RESTRICTED STOCK UNIT AWARD GRANT AGREEMENT 

X4 Pharmaceuticals, Inc. (the “Company”) hereby grants the following restricted stock unit pursuant to its 2017 Equity
Incentive Plan (the Arsanis, Inc. 2017 Equity Incentive Plan). The terms and conditions attached hereto are also a part hereof. 
 Notice
of Grant 
  

			
	Name of participant (the “Participant”):	  	 
	Grant Date:	  	 
	 Number of shares of the Company’s Common

Stock underlying RSU awarded:
	  	 
	Vesting Start Date:	  	 

 Vesting Schedule: 

This Restricted Stock Unit Award shall vest as follows provided the Participant is an Eligible Participant on the applicable vesting date: 

 

			
	 Number of
Restricted Stock Units
  
	  	 Vesting
Date
  

	 	  	 

 [Notwithstanding the foregoing, 100% of the unvested portion of this Restricted Stock Unit Award shall vest upon the
termination of the Participant’s employment by the Company without Cause upon or at any time within 12 months following a Change of Control. 
 For
purposes of this Agreement, a “Change of Control” shall mean the occurrence of any of the following events: (i) any “Person” (as such term is used in Sections 13(d) and 14(d) of the Exchange Act) becomes the
“Beneficial Owner” (as defined in Rule 13d-3 under the Securities Exchange Act), directly or indirectly, of securities of the Company representing fifty percent (50%) or more of the total voting power represented by the
Company’s then outstanding voting securities (excluding for this purpose any such voting securities held by the Company, or any affiliate, parent or subsidiary of the Company, or by any employee benefit plan of the Company) pursuant to a
transaction or a series of related transactions which the Board does not approve; or (ii) (A) A merger or consolidation of the Company whether or not approved by the Board, other than a merger or consolidation which would result in the voting
securities of the Company outstanding immediately prior thereto continuing to represent (either by remaining outstanding or 

 
by being converted into voting securities of the surviving entity or the parent of such entity) at least fifty percent (50%) of the total voting power represented by the voting securities of
the Company or such surviving entity or parent of such entity, as the case may be, outstanding immediately after such merger or consolidation; or (B) the sale or disposition by the Company of all or substantially all of the Company’s
assets. For purposes of this Agreement, if the Participant is subject to an individual employment agreement with the Company or eligible to participate in a Company severance plan or arrangement, in any case which agreement, plan or arrangement
contains a definition of “cause” for termination of employment, “Cause” shall have the meaning ascribed to such term in such agreement, plan or arrangement, otherwise, “Cause” shall mean, with respect to
the Participant (a) dishonesty with respect to the Company or any affiliate, (b) insubordination, substantial malfeasance or non-feasance of duty, (c) unauthorized disclosure of confidential information, (d) breach by the recipient of any provision
of any employment, consulting, advisory, nondisclosure, non-competition or similar agreement between the Participant and the Company or any affiliate, and (e) conduct substantially prejudicial to the business of the Company or any affiliate, with
the determination of the administrator of the Plan as to the existence of Cause will be conclusive on the Participant and the Company. The Participant’s employment shall be considered to have been terminated for Cause if the Company determines,
within 30 days after the Participant’s resignation, that termination for Cause was warranted.] 
 The Company and the Participant
acknowledge receipt of this Restricted Stock Unit Award Notice of Grant and agree to the terms of the Restricted Stock Unit Agreement attached hereto and incorporated by reference herein, the Company’s 2017 Equity Incentive Plan and the terms
of this Restricted Stock Unit Award as set forth above. 
  

													
		 		 		 		 		 	 X4 PHARMACEUTICALS, INC.

													
							
	          
	 		 		 		 		 	By:	 	          

	Signature of Participant	 		 		 		 		 		 	Name of Officer
		 		 		 		 		 		 	Title:
							
	          
	 		 		 		 		 		 	
	Street Address	 		 		 		 		 		 	
		 		 		 		 		 		 	
							
	          
	 		 		 		 		 		 	
	City/State/Zip Code	 		 		 		 		 		 	

  
 2 

 X4 PHARMACEUTICALS, INC. 

Restricted Stock Unit Agreement 

INCORPORATED TERMS AND CONDITIONS 

AGREEMENT made as of the Grant Date set forth in the Restricted Stock Unit Award Notice of Grant between the Company and the Participant. 

WHEREAS, the Company has adopted the 2017 Equity Incentive Plan (the “Plan”) to promote the interests of the Company by
providing an incentive for employees of the Company or of any other entity the employees of which are eligible to receive grants of equity under the Plan; 

WHEREAS, pursuant to the provisions of the Plan, the Company desires to grant to the Participant restricted stock units
(“RSUs”) related to the Company’s common stock, $0.001 par value per share (“Common Stock”), in accordance with the provisions of the Plan, all on the terms and conditions hereinafter set forth; and 

WHEREAS, the Company and the Participant understand and agree that any terms used and not defined herein have the meanings ascribed to such
terms in the Plan. 
 NOW, THEREFORE, in consideration of the promises and the mutual covenants contained herein and for other good and
valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby agree as follows: 
 1.
Grant of Award. The Company hereby grants to the Participant an award for the number of RSUs set forth in the Restricted Stock Unit Award Notice of Grant (the “Award”). Each RSU represents a contingent entitlement of the
Participant to receive one share of Common Stock, on the terms and conditions and subject to all the limitations set forth herein and in the Plan, which is incorporated herein by reference. The Participant acknowledges receipt of a copy of the Plan.

 2. Vesting of Award. 

(a) Subject to the terms and conditions set forth in this Agreement and the Plan, the Award granted hereby shall vest as set forth in the
Restricted Stock Unit Award Notice of Grant and is subject to the other terms and conditions of this Agreement and the Plan. On each vesting date set forth in the Restricted Stock Unit Award Notice of Grant, the Participant shall be entitled to
receive such number of shares of Common Stock equivalent to the number of RSUs as set forth in the Restricted Stock Unit Award Notice of Grant provided that the Participant is, and has been at all times since the Grant Date, an employee of the
Company or any other entity the employees of which are eligible to receive RSUs under the Plan (an “Eligible Participant”). Such shares of Common Stock shall thereafter be delivered by the Company to the Participant within five days
of the applicable vesting date and in accordance with this Agreement and the Plan. 
 (b) Except as otherwise set forth in this Agreement
and the Notice of Grant, if the Participant ceases to be an Eligible Participant (the “Termination”) prior to a vesting date set forth in the Restricted Stock Unit Award Notice of Grant, then as of the date on which the
Participant’s employment or service terminates, all unvested RSUs shall immediately be forfeited to the Company and this Agreement shall terminate and be of no further force or effect. 

  
 1 

 3. Prohibitions on Transfer and Sale. This Award (including any additional RSUs
received by the Participant as a result of stock dividends, stock splits or any other similar transaction affecting the Company’s securities without receipt of consideration) shall not be transferable by the Participant otherwise than
(i) by will or by the laws of descent and distribution, or (ii) pursuant to a qualified domestic relations order as defined by the Internal Revenue Code or Title I of the Employee Retirement Income Security Act or the rules thereunder.
Except as provided in the previous sentence, the shares of Common Stock to be issued pursuant to this Agreement shall be issued, during the Participant’s lifetime, only to the Participant (or, in the event of legal incapacity or incompetence,
to the Participant’s guardian or representative). This Award shall not be assigned, pledged or hypothecated in any way (whether by operation of law or otherwise) and shall not be subject to execution, attachment or similar process. Any
attempted transfer, assignment, pledge, hypothecation or other disposition of this Award or of any rights granted hereunder contrary to the provisions of this Section 3, or the levy of any attachment or similar process upon this Award shall be
null and void. 
 4. Adjustments. The Plan contains provisions covering the treatment of RSUs and shares of Common Stock in a number
of contingencies such as stock splits. Provisions in the Plan for adjustment with respect to this Award and the related provisions with respect to successors to the business of the Company are hereby made applicable hereunder and are incorporated
herein by reference. 
 5. Securities Law Compliance. The Participant specifically acknowledges and agrees that any sales of shares
of Common Stock shall be made in accordance with the requirements of the Securities Act of 1933, as amended. The Company currently has an effective registration statement on file with the Securities and Exchange Commission with respect to the Common
Stock to be granted hereunder. The Company intends to maintain this registration statement but has no obligation to do so. If the registration statement ceases to be effective for any reason, Participant will not be able to transfer or sell any of
the shares of Common Stock issued to the Participant pursuant to this Agreement unless exemptions from registration or filings under applicable securities laws are available. Furthermore, despite registration, applicable securities laws may restrict
the ability of the Participant to sell his or her Common Stock, including due to the Participant’s affiliation with the Company. The Company shall not be obligated to either issue the Common Stock or permit the resale of any shares of Common
Stock if such issuance or resale would violate any applicable securities law, rule or regulation. 
 6. Rights as a Stockholder. The
Participant shall have no right as a stockholder, including voting and dividend rights, with respect to the RSUs subject to this Agreement. 

7. Incorporation of the Plan. The Participant specifically understands and agrees that the RSUs and the shares of Common Stock to be
issued under the Plan will be issued to the Participant pursuant to the Plan, a copy of which Plan the Participant acknowledges he or she has read and understands and by which Plan he or she agrees to be bound. The provisions of the Plan are
incorporated herein by reference. 

  
 2 

 8. Tax Liability of the Participant and Payment of Taxes. The Participant
acknowledges and agrees that any income or other taxes due from the Participant with respect to this Award or the shares of Common Stock to be issued pursuant to this Agreement or otherwise sold shall be the Participant’s responsibility.
Without limiting the foregoing, the Participant agrees that, if under applicable law the Participant will owe taxes at each vesting date on the portion of the Award then vested, the Company shall be entitled to immediate payment from the Participant
of the amount of any tax or other amounts required to be withheld by the Company by applicable law or regulation. Any taxes or other amounts due shall be paid, at the option of the Administrator, as follows: 

(a) through reducing the number of shares of Common Stock entitled to be issued to the Participant on the applicable vesting date in an amount
equal to the statutory minimum of the Participant’s total tax and other withholding obligations due and payable by the Company. Fractional shares will not be retained to satisfy any portion of the Company’s withholding obligation.
Accordingly, the Participant agrees that in the event that the amount of withholding required would result in a fraction of a share being owed, that amount will be satisfied by withholding the fractional amount from the Participant’s paycheck;

 (b) requiring the Participant to deposit with the Company an amount of cash equal to the amount determined by the Company to be required
to be withheld with respect to the statutory minimum amount of the Participant’s total tax and other withholding obligations due and payable by the Company or otherwise withholding from the Participant’s paycheck an amount equal to such
amounts due and payable by the Company; or 
 (c) if the Company believes that the sale of shares can be made in compliance with applicable
securities laws, authorizing, at a time when the Participant is not in possession of material nonpublic information, the sale by the Participant on the applicable vesting date of such number of shares of Common Stock as the Company instructs a
registered broker to sell to satisfy the Company’s withholding obligation, after deduction of the broker’s commission, and the broker shall be required to remit to the Company the cash necessary in order for the Company to satisfy its
withholding obligation. To the extent the proceeds of such sale exceed the Company’s withholding obligation, the Company agrees to pay such excess cash to the Participant as soon as practicable. In addition, if such sale is not sufficient to
pay the Company’s withholding obligation, the Participant agrees to pay to the Company as soon as practicable, including through additional payroll withholding, the amount of any withholding obligation that is not satisfied by the sale of
shares of Common Stock. The Participant agrees to hold the Company and the broker harmless from all costs, damages or expenses relating to any such sale. The Participant acknowledges that the Company and the broker are under no obligation to arrange
for such sale at any particular price. In connection with such sale of shares of Common Stock, the Participant shall execute any such documents requested by the broker in order to effectuate the sale of shares of Common Stock and payment of the
withholding obligation to the Company. The Participant acknowledges that this paragraph is intended to comply with Section 10b5-1(c)(1(i)(B) under the Securities Exchange Act of 1934, as amended. 

It is the Company’s intention that the Participant’s tax obligations under this Section 8 shall be satisfied through the
procedure of Subsection (c) above, unless the Company provides notice of an alternative procedure under this Section, in its discretion. The Company shall not deliver any shares of Common Stock to the Participant until it is satisfied that all
required withholdings have been made. 

  
 3 

 9. Participant Acknowledgements and Authorizations. 

The Participant acknowledges the following: 

(a) He or she has read this Agreement, has read the Plan, and understands the terms and conditions of this Agreement and the Plan. 

(b) The Company is not by the Plan or this Award obligated to continue the Participant as an employee, director or consultant of the Company
or an affiliate. 
 (c) The Plan is discretionary in nature and may be suspended or terminated by the Company at any time. 

(d) The grant of this Award is considered a one-time benefit and does not create a contractual or other right to receive any other award under
the Plan, benefits in lieu of awards or any other benefits in the future. 
 (e) The Plan is a voluntary program of the Company and future
awards, if any, will be at the sole discretion of the Company, including, but not limited to, the timing of any grant, the amount of any award, vesting provisions and the purchase price, if any. 

(f) The value of this Award is an extraordinary item of compensation outside of the scope of the Participant’s employment or consulting
contract, if any. As such the Award is not part of normal or expected compensation for purposes of calculating any severance, resignation, redundancy, end of service payments, bonuses, long-service awards, pension or retirement benefits or similar
payments. The future value of the shares of Common Stock is unknown and cannot be predicted with certainty. 
 (g) The Participant
(i) authorizes the Company and each affiliate and any agent of the Company or any affiliate administering the Plan or providing Plan recordkeeping services, to disclose to the Company or any of its affiliates such information and data as the
Company or any such Affiliate shall request in order to facilitate the grant of the Award and the administration of the Plan; and (ii) authorizes the Company and each affiliate to store and transmit such information in electronic form for the
purposes set forth in this Agreement. 
 (h) In accepting this Award, the Participant agrees to be bound by any clawback policy that the
Company has in effect or may adopt in the future. 
 10. Assignment and Successors. 

(a) This Agreement is personal to the Participant and without the prior written consent of the Company shall not be assignable by the
Participant otherwise than by will or the laws of descent and distribution. This Agreement shall inure to the benefit of and be enforceable by the Participant’s legal representatives. 

  
 4 

 (b) This Agreement shall inure to the benefit of and be binding upon the Company and its
successors and assigns. 
 11. Governing Law. This Agreement shall be construed, interpreted and enforced in accordance with the
internal laws of the State of Delaware without regard to any applicable conflicts of laws provisions. 
 12. Severability. If any
provision of this Agreement is held to be invalid or unenforceable by a court of competent jurisdiction, then such provision or provisions shall be modified to the extent necessary to make such provision valid and enforceable, and to the extent that
this is impossible, then such provision shall be deemed to be excised from this Agreement, and the validity, legality and enforceability of the rest of this Agreement shall not be affected thereby. 

13. Entire Agreement. This Agreement, together with the Plan, constitutes the entire agreement and understanding between the parties
hereto with respect to the subject matter hereof and supersedes all prior oral or written agreements and understandings relating to the subject matter hereof. No statement, representation, warranty, covenant or agreement not expressly set forth in
this Agreement shall affect or be used to interpret, change or restrict the express terms and provisions of this Agreement provided, however, in any event, this Agreement shall be subject to and governed by the Plan. 

14. Modifications and Amendments; Waivers and Consents. The terms and provisions of this Agreement may be modified or amended as
provided in the Plan. Except as provided in the Plan, the terms and provisions of this Agreement may be waived, or consent for the departure therefrom granted, only by written document executed by the party entitled to the benefits of such terms or
provisions. No such waiver or consent shall be deemed to be or shall constitute a waiver or consent with respect to any other terms or provisions of this Agreement, whether or not similar. Each such waiver or consent shall be effective only in the
specific instance and for the purpose for which it was given, and shall not constitute a continuing waiver or consent. 
 15.
Section 409A. The Award of RSUs evidenced by this Agreement is intended to be exempt from the nonqualified deferred compensation rules of Section 409A of the Code as a “short term deferral” (as that term is used in the
final regulations and other guidance issued under Section 409A of the Code, including Treasury Regulation Section 1.409A-1(b)(4)(i)), and shall be construed accordingly. 

16. Data Privacy. By entering into this Agreement, the Participant: (i) authorizes the Company and each affiliate, and any agent
of the Company or any affiliate administering the Plan or providing Plan recordkeeping services, to disclose to the Company or any of its Affiliates such information and data as the Company or any such affiliate shall request in order to facilitate
the grant of options and the administration of the Plan; (ii) to the extent permitted by applicable law waives any data privacy rights he or she may have with respect to such information, and (iii) authorizes the Company and each affiliate
to store and transmit such information in electronic form for the purposes set forth in this Agreement. 
 [REMAINDER OF PAGE INTENTIONALLY
LEFT BLANK] 

  
 5EX-10.6

 Exhibit 10.6 

FORM FOR X4 PHARMACEUTICALS, INC. 2015 EMPLOYEE, DIRECTOR AND 

CONSULTANT EQUITY INCENTIVE PLAN 

(JUNE 2019) 
 Restricted Stock
Unit No.             
 X4 PHARMACEUTICALS, INC. 

RESTRICTED STOCK UNIT AWARD GRANT AGREEMENT 

X4 Pharmaceuticals, Inc. (the “Company”) hereby grants the following restricted stock unit pursuant to its 2015 Employee, Director
and Consultant Equity Incentive Plan. The terms and conditions attached hereto are also a part hereof. 
 Notice of Grant 

 

			
	Name of participant (the “Participant”):	  	 
	Grant Date:	  	 
	 Number of shares of the Company’s Common

Stock underlying RSU awarded:
	  	 
	Vesting Start Date:	  	 

 Vesting Schedule: 

This Restricted Stock Unit Award shall vest as follows provided the Participant is an Employee, director or Consultant of the Company or of an
Affiliate on the applicable vesting date: 
  

			
	 Number of
Restricted Stock Units
  
	  	 Vesting
Date
  

	 	  	 

 [Notwithstanding the foregoing, 100% of the unvested portion of this Restricted Stock Unit Award shall vest upon the
termination of the Participant’s employment by the Company without Cause (as defined in the Plan) upon or at any time within 12 months following a Change of Control. The Participant’s employment shall be considered to have been terminated
by the Company for Cause if the Company determines, within 30 days after the Participant’s resignation, that determination for Cause was warranted. 

For purposes of this Agreement, a “Change of Control” shall mean the occurrence of any of the following events: (i) any
“Person” (as such term is used in Sections 13(d) and 14(d) of the Exchange Act) becomes the “Beneficial Owner” (as defined in Rule 13d-3 under the Securities Exchange Act), directly or indirectly, of
securities of the Company representing fifty percent (50%) or more of the total voting power represented by the Company’s then outstanding voting securities (excluding for this purpose any such voting securities held by the Company, or any
affiliate, parent or subsidiary of the Company, or by any employee benefit plan of the Company) pursuant to a transaction or a series of related transactions which the Board does not approve; or (ii) (A) A merger or consolidation of the Company
whether or not approved by the Board, other than a merger or consolidation which would result in the voting securities of the Company 

 
outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity or the parent of such entity)
at least fifty percent (50%) of the total voting power represented by the voting securities of the Company or such surviving entity or parent of such entity, as the case may be, outstanding immediately after such merger or consolidation; or
(B) the sale or disposition by the Company of all or substantially all of the Company’s assets.] 
 The Company and the
Participant acknowledge receipt of this Restricted Stock Unit Award Notice of Grant and agree to the terms of the Restricted Stock Unit Agreement attached hereto and incorporated by reference herein, the Company’s 2017 Equity Incentive Plan and
the terms of this Restricted Stock Unit Award as set forth above. 
  

													
		 		 		 		 		 	 X4 PHARMACEUTICALS, INC.

													
							
	          
	 		 		 		 		 	By:	 	          

	Signature of Participant	 		 		 		 		 		 	Name of Officer
		 		 		 		 		 		 	Title:
							
	          
	 		 		 		 		 		 	
	Street Address	 		 		 		 		 		 	
		 		 		 		 		 		 	
							
	          
	 		 		 		 		 		 	
	City/State/Zip Code	 		 		 		 		 		 	

  
 2 

 X4 PHARMACEUTICALS, INC. 

Restricted Stock Unit Agreement 

INCORPORATED TERMS AND CONDITIONS 

AGREEMENT made as of the Grant Date set forth in the Restricted Stock Unit Award Notice of Grant between the Company and the Participant. 

WHEREAS, the Company has adopted the 2015 Employee, Director and Consultant Equity Incentive Plan (the “Plan”) to promote the
interests of the Company by providing an incentive for Employees, directors and Consultants of the Company and its Affiliates; 
 WHEREAS,
pursuant to the provisions of the Plan, the Company desires to grant to the Participant restricted stock units (“RSUs”) related to the Company’s common stock, $0.001 par value per share (“Common Stock”), in
accordance with the provisions of the Plan, all on the terms and conditions hereinafter set forth; and 
 WHEREAS, the Company and the
Participant understand and agree that any terms used and not defined herein have the meanings ascribed to such terms in the Plan. 
 NOW,
THEREFORE, in consideration of the promises and the mutual covenants contained herein and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby agree as follows: 

1. Grant of Award. The Company hereby grants to the Participant an award for the number of RSUs set forth in the Restricted Stock Unit
Award Notice of Grant (the “Award”). Each RSU represents a contingent entitlement of the Participant to receive one share of Common Stock, on the terms and conditions and subject to all the limitations set forth herein and in the
Plan, which is incorporated herein by reference. The Participant acknowledges receipt of a copy of the Plan. 
 2. Vesting of Award.

 (a) Subject to the terms and conditions set forth in this Agreement and the Plan, the Award granted hereby shall vest as set forth in the
Restricted Stock Unit Award Notice of Grant and is subject to the other terms and conditions of this Agreement and the Plan. On each vesting date set forth in the Restricted Stock Unit Award Notice of Grant, the Participant shall be entitled to
receive such number of shares of Common Stock equivalent to the number of RSUs as set forth in the Restricted Stock Unit Award Notice of Grant provided that the Participant is employed or providing service to the Company or an Affiliate on such
vesting date. Such shares of Common Stock shall thereafter be delivered by the Company to the Participant within five days of the applicable vesting date and in accordance with this Agreement and the Plan. 

(b) Except as otherwise set forth in this Agreement and the Notice of Grant, if the Participant ceases to be employed by or to provide
services to the Company or an Affiliate for any reason (the “Termination”) prior to a vesting date set forth in the Restricted Stock Unit Award Notice of Grant, then as of the date on which the Participant’s employment or
service terminates, all unvested RSUs shall immediately be forfeited to the Company and this Agreement shall terminate and be of no further force or effect. 

  
 1 

 3. Prohibitions on Transfer and Sale. This Award (including any additional RSUs
received by the Participant as a result of stock dividends, stock splits or any other similar transaction affecting the Company’s securities without receipt of consideration) shall not be transferable by the Participant otherwise than
(i) by will or by the laws of descent and distribution, or (ii) pursuant to a qualified domestic relations order as defined by the Internal Revenue Code or Title I of the Employee Retirement Income Security Act or the rules thereunder.
Except as provided in the previous sentence, the shares of Common Stock to be issued pursuant to this Agreement shall be issued, during the Participant’s lifetime, only to the Participant (or, in the event of legal incapacity or incompetence,
to the Participant’s guardian or representative). This Award shall not be assigned, pledged or hypothecated in any way (whether by operation of law or otherwise) and shall not be subject to execution, attachment or similar process. Any
attempted transfer, assignment, pledge, hypothecation or other disposition of this Award or of any rights granted hereunder contrary to the provisions of this Section 3, or the levy of any attachment or similar process upon this Award shall be
null and void. 
 4. Adjustments. The Plan contains provisions covering the treatment of RSUs and shares of Common Stock in a number
of contingencies such as stock splits. Provisions in the Plan for adjustment with respect to this Award and the related provisions with respect to successors to the business of the Company are hereby made applicable hereunder and are incorporated
herein by reference. 
 5. Securities Law Compliance. The Participant specifically acknowledges and agrees that any sales of shares
of Common Stock shall be made in accordance with the requirements of the Securities Act of 1933, as amended. The Company currently has an effective registration statement on file with the Securities and Exchange Commission with respect to the Common
Stock to be granted hereunder. The Company intends to maintain this registration statement but has no obligation to do so. If the registration statement ceases to be effective for any reason, Participant will not be able to transfer or sell any of
the shares of Common Stock issued to the Participant pursuant to this Agreement unless exemptions from registration or filings under applicable securities laws are available. Furthermore, despite registration, applicable securities laws may restrict
the ability of the Participant to sell his or her Common Stock, including due to the Participant’s affiliation with the Company. The Company shall not be obligated to either issue the Common Stock or permit the resale of any shares of Common
Stock if such issuance or resale would violate any applicable securities law, rule or regulation. 
 6. Rights as a Stockholder. The
Participant shall have no right as a stockholder, including voting and dividend rights, with respect to the RSUs subject to this Agreement. 

7. Incorporation of the Plan. The Participant specifically understands and agrees that the RSUs and the shares of Common Stock to be
issued under the Plan will be issued to the Participant pursuant to the Plan, a copy of which Plan the Participant acknowledges he or she has read and understands and by which Plan he or she agrees to be bound. The provisions of the Plan are
incorporated herein by reference. 

  
 2 

 8. Tax Liability of the Participant and Payment of Taxes. The Participant
acknowledges and agrees that any income or other taxes due from the Participant with respect to this Award or the shares of Common Stock to be issued pursuant to this Agreement or otherwise sold shall be the Participant’s responsibility.
Without limiting the foregoing, the Participant agrees that, if under applicable law the Participant will owe taxes at each vesting date on the portion of the Award then vested, the Company shall be entitled to immediate payment from the Participant
of the amount of any tax or other amounts required to be withheld by the Company by applicable law or regulation. Any taxes or other amounts due shall be paid, at the option of the Administrator, as follows: 

(a) through reducing the number of shares of Common Stock entitled to be issued to the Participant on the applicable vesting date in an amount
equal to the statutory minimum of the Participant’s total tax and other withholding obligations due and payable by the Company. Fractional shares will not be retained to satisfy any portion of the Company’s withholding obligation.
Accordingly, the Participant agrees that in the event that the amount of withholding required would result in a fraction of a share being owed, that amount will be satisfied by withholding the fractional amount from the Participant’s paycheck;

 (b) requiring the Participant to deposit with the Company an amount of cash equal to the amount determined by the Company to be required
to be withheld with respect to the statutory minimum amount of the Participant’s total tax and other withholding obligations due and payable by the Company or otherwise withholding from the Participant’s paycheck an amount equal to such
amounts due and payable by the Company; or 
 (c) if the Company believes that the sale of shares can be made in compliance with applicable
securities laws, authorizing, at a time when the Participant is not in possession of material nonpublic information, the sale by the Participant on the applicable vesting date of such number of shares of Common Stock as the Company instructs a
registered broker to sell to satisfy the Company’s withholding obligation, after deduction of the broker’s commission, and the broker shall be required to remit to the Company the cash necessary in order for the Company to satisfy its
withholding obligation. To the extent the proceeds of such sale exceed the Company’s withholding obligation, the Company agrees to pay such excess cash to the Participant as soon as practicable. In addition, if such sale is not sufficient to
pay the Company’s withholding obligation, the Participant agrees to pay to the Company as soon as practicable, including through additional payroll withholding, the amount of any withholding obligation that is not satisfied by the sale of
shares of Common Stock. The Participant agrees to hold the Company and the broker harmless from all costs, damages or expenses relating to any such sale. The Participant acknowledges that the Company and the broker are under no obligation to arrange
for such sale at any particular price. In connection with such sale of shares of Common Stock, the Participant shall execute any such documents requested by the broker in order to effectuate the sale of shares of Common Stock and payment of the
withholding obligation to the Company. The Participant acknowledges that this paragraph is intended to comply with Section 10b5-1(c)(1(i)(B) under the Securities Exchange Act of 1934, as amended. 

It is the Company’s intention that the Participant’s tax obligations under this Section 8 shall be satisfied through the
procedure of Subsection (c) above, unless the Company provides notice of an alternative procedure under this Section, in its discretion. The Company shall not deliver any shares of Common Stock to the Participant until it is satisfied that all
required withholdings have been made. 

  
 3 

 9. Participant Acknowledgements and Authorizations. 

The Participant acknowledges the following: 

(a) He or she has read this Agreement, has read the Plan, and understands the terms and conditions of this Agreement and the Plan. 

(b) The Company is not by the Plan or this Award obligated to continue the Participant as an Employee, director or consultant of the Company
or an Affiliate. 
 (c) The Plan is discretionary in nature and may be suspended or terminated by the Company at any time. 

(d) The grant of this Award is considered a one-time benefit and does not create a contractual or other right to receive any other award under
the Plan, benefits in lieu of awards or any other benefits in the future. 
 (e) The Plan is a voluntary program of the Company and future
awards, if any, will be at the sole discretion of the Company, including, but not limited to, the timing of any grant, the amount of any award, vesting provisions and the purchase price, if any. 

(f) The value of this Award is an extraordinary item of compensation outside of the scope of the Participant’s employment or consulting
contract, if any. As such the Award is not part of normal or expected compensation for purposes of calculating any severance, resignation, redundancy, end of service payments, bonuses, long-service awards, pension or retirement benefits or similar
payments. The future value of the shares of Common Stock is unknown and cannot be predicted with certainty. 
 (g) The Participant
(i) authorizes the Company and each Affiliate and any agent of the Company or any Affiliate administering the Plan or providing Plan recordkeeping services, to disclose to the Company or any of its Affiliates such information and data as the
Company or any such Affiliate shall request in order to facilitate the grant of the Award and the administration of the Plan; and (ii) authorizes the Company and each Affiliate to store and transmit such information in electronic form for the
purposes set forth in this Agreement. 
 10. Assignment and Successors. 

(a) This Agreement is personal to the Participant and without the prior written consent of the Company shall not be assignable by the
Participant otherwise than by will or the laws of descent and distribution. This Agreement shall inure to the benefit of and be enforceable by the Participant’s legal representatives. 

(b) This Agreement shall inure to the benefit of and be binding upon the Company and its successors and assigns. 

  
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 11. Governing Law. This Agreement shall be construed, interpreted and enforced in
accordance with the internal laws of the State of Delaware without regard to any applicable conflicts of laws provisions. 
 12.
Severability. If any provision of this Agreement is held to be invalid or unenforceable by a court of competent jurisdiction, then such provision or provisions shall be modified to the extent necessary to make such provision valid and
enforceable, and to the extent that this is impossible, then such provision shall be deemed to be excised from this Agreement, and the validity, legality and enforceability of the rest of this Agreement shall not be affected thereby. 

13. Entire Agreement. This Agreement, together with the Plan, constitutes the entire agreement and understanding between the parties
hereto with respect to the subject matter hereof and supersedes all prior oral or written agreements and understandings relating to the subject matter hereof. No statement, representation, warranty, covenant or agreement not expressly set forth in
this Agreement shall affect or be used to interpret, change or restrict the express terms and provisions of this Agreement provided, however, in any event, this Agreement shall be subject to and governed by the Plan. 

14. Modifications and Amendments; Waivers and Consents. The terms and provisions of this Agreement may be modified or amended as
provided in the Plan. Except as provided in the Plan, the terms and provisions of this Agreement may be waived, or consent for the departure therefrom granted, only by written document executed by the party entitled to the benefits of such terms or
provisions. No such waiver or consent shall be deemed to be or shall constitute a waiver or consent with respect to any other terms or provisions of this Agreement, whether or not similar. Each such waiver or consent shall be effective only in the
specific instance and for the purpose for which it was given, and shall not constitute a continuing waiver or consent. 
 15.
Section 409A. The Award of RSUs evidenced by this Agreement is intended to be exempt from the nonqualified deferred compensation rules of Section 409A of the Code as a “short term deferral” (as that term is used in the
final regulations and other guidance issued under Section 409A of the Code, including Treasury Regulation Section 1.409A-1(b)(4)(i)), and shall be construed accordingly. 

16. Data Privacy. By entering into this Agreement, the Participant: (i) authorizes the Company and each Affiliate, and any agent
of the Company or any Affiliate administering the Plan or providing Plan recordkeeping services, to disclose to the Company or any of its Affiliates such information and data as the Company or any such Affiliate shall request in order to facilitate
the grant of options and the administration of the Plan; (ii) to the extent permitted by applicable law waives any data privacy rights he or she may have with respect to such information, and (iii) authorizes the Company and each Affiliate
to store and transmit such information in electronic form for the purposes set forth in this Agreement. 
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