Document:

EX-10.11

 Exhibit 10.11 

 
 

 
 August 11th, 2019 

Dr. Jason Blair Litten 
  

	Re:	 Employment Offer Letter 

Dear Jason, 
 On behalf of Artiva Biotherapeutics, Inc. (the
“Company”), I am pleased to offer you employment under the terms set forth in this offer letter agreement (this “Agreement”). These employment terms will be effective as of your start date, which will be August
19th, 2019. This offer is contingent upon references and Board approval. 
 1. Employment Position; Duties. You will be
employed as the Company’s Chief Medical Officer, reporting to the Company’s President & CEO. As Chief Medical Officer, you will have those duties and responsibilities as are customary for this position and as may be directed by
the Company. You will work from the corporate office in La Jolla and your position may require business travel. During your employment, you will devote your full-time best efforts to the business of the Company. 

2. Base Salary; Employee Benefits and Business Expenses. 

(a) Base Salary. Your initial base salary will be paid at the annual rate of $400,000.00 less standard payroll deductions and tax
withholdings. Your base salary will be paid on the Company’s normal payroll schedule. As an exempt salaried employee, you will be required to work the Company’s normal business hours, and such additional time as appropriate for your work
assignments and position. You will not be eligible for extra payment under the overtime laws. 
 (b) Employee Benefits. As a
regular full-time employee, you will be eligible to participate in the Company’s standard employee benefits (pursuant to the terms and conditions of the benefit plans and applicable policies), as they may be terminated or changed from time to
time within the Company’s discretion. 
 (c) Business Expenses. Your legitimate and documented business expenses will be
reimbursed by the Company as provided under its business expense reimbursement policies. 
 3. Annual Bonus. In addition to
base salary, you will be eligible to earn discretionary incentive compensation at an annual target amount of thirty percent (30%) of your base salary in effect during the bonus year. With respect to the annual incentive compensation program,
the Company’s executive team will evaluate and recommend specific annual individual and corporate performance targets, metrics and/or management-by-objectives
(“MBOs”), to be finalized and approved by Company’s Board of Directors (the “Board”), as part of its annual compensation review process. Annual bonuses are paid on an annual basis, after the close of the fiscal
year and after determination by the Board of (a) the level of achievement of the applicable individual and corporate performance targets, metrics and/or MBOs, and (b) the amount of the annual incentive compensation earned by you (if any).
No amount of 

  

			
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annual incentive compensation is guaranteed and, in addition to the other conditions for earning such compensation, you must remain an employee in good standing of the Company on the scheduled
annual incentive compensation payment date in order to be eligible for any annual incentive compensation. This annual incentive compensation program will be the only incentive compensation, commissions, or other bonus program that will apply to you.

 4. Equity Award. As an inducement material to your entering into this Agreement, subject to approval of the Board, the
Company will grant you a number of shares of the Company’s common stock (“Founders Shares”), at a purchase price equal to the fair market value on the date of grant, representing three percent (3%) of the Company on a fully
diluted basis on the date of grant. The Founders Shares will be subject to a repurchase option in favor of the Company, which will lapse at the rate of 25% of the Founders Shares on each of the one year anniversaries of the date of grant; such that
the repurchase option will terminate on the fourth anniversary of the date of grant, subject to your continued employment with the Company. You also will be eligible to participate in and receive additional stock option or equity award grants under
the Company’s equity incentive plans from time to time, in the discretion of the Board, and in accordance with the terms and conditions of the Plan. 

5. Compliance with Confidentiality Agreement and Company Policies. As a condition of employment, you shall sign and comply with
the Company’s standard form of Employee Confidential Information and Invention Assignment Agreement (the “Confidentiality Agreement”). The Confidentiality Agreement shall be deemed fully incorporated into this Agreement by
reference. 
 6. Protection of Third Party Information and Outside Activities. 

(a) Third Party Information. In your work for the Company, you will be expected not to make any unauthorized use or disclosure of
any confidential information or materials, including trade secrets, of any former employer or other third party; and not to violate any lawful agreement that you may have with any third party. By signing this Agreement, you represent that you are
able to perform your job duties within these guidelines, and you are not in unauthorized possession or control of any confidential documents, information, or other property of any former employer. In addition, you represent that you have disclosed
to the Company in writing any agreement you may have with any third party (e.g., a former employer) that may limit your ability to perform your duties to the Company or that could present a conflict of interest with the Company, including but not
limited to disclosure (and a copy) of any contractual restrictions on solicitations or competitive activities. 
 (b) Outside
Activities. During your employment by the Company, you may engage in civic and not-for-profit activities so long as such activities do not interfere with the
performance of your duties hereunder or present a conflict of interest with the Company or its Affiliates. Subject to the restrictions set forth herein, and only with prior written disclosure to and written consent of the Board, you may engage in
other types of business or public activities. The Board may withdraw such consent, if the Board determines, in its sole discretion, that such activities compromise or threaten to compromise the business interests of the Company or its Affiliates or
conflict with your duties to the Company. 
 (c) Non-Competition. During your
employment by the Company, you will not, without the express written consent of the Board, directly or indirectly serve as an officer, director, stockholder, employee, partner, proprietor, investor, joint venturer, associate, representative or

  

			
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consultant of any person or entity engaged in, or planning or preparing to engage in, business activity competitive with any line of business engaged in (or planned to be engaged in) by the
Company or its Affiliates; provided, however, that you may purchase or otherwise acquire up to (but not more than) one percent (1%) of any class of securities of any enterprise (without participating in the activities of such enterprise) if such
securities are listed on any national or regional securities exchange. In addition, you will be subject to certain restrictions (including restrictions continuing after your employment ends) under the terms of your Confidentiality Agreement. 

7. At-Will Employment Relationship. Your employment relationship with the Company is
employment at-will. Accordingly, you may terminate your employment with the Company at any time and for any reason whatsoever simply by notifying the Company; and the Company may terminate your employment at
any time with or without Cause (as defined below) or prior notice. In addition, the Company retains the discretion to modify your other employment terms from time to time, including but not limited to your position, duties, reporting relationship,
work location, compensation (including base salary and incentive compensation terms), and benefits. 
 8. Severance. 

(a) Severance for Qualifying Termination. If (i) your employment is terminated by the Company without Cause, other than due
to your death or disability, and (ii) you satisfy the Release Requirement (defined below), then you will receive the Severance Payments (defined below) as your sole severance benefits, and you will not be eligible for severance benefits under
any other policy, plan or agreement. Specifically, you will receive severance pay in the form of continuation of your final monthly base salary for three (3) months if your termination occurs prior to the Series A Financing and for six
(6) months if your termination occurs subsequent to the Series A Financing, less standard payroll deductions and tax withholdings (the “Severance Payments”). Subject to Section 8(e), the Severance Payments will be paid in
equal installments on the Company’s regular payroll schedule in effect following your termination date, with such payments to begin on the first regular payroll date following the Release Effective Date (as defined below). If the Severance
Payments do not commence with the first regular payroll date following your termination date because the Release Effective Date is later than such first payroll date, the first installment of the Severance Payments you receive will be a “catch
up” payment in the total amount of the Severance Payments you would have received through such payroll date if such payments had begun with the first payroll date after your termination date. 

(b) Release Requirement. To be eligible for the Severance Payments pursuant to Section 8(a) above you must satisfy the
following release requirement (the “Release Requirement”): return to the Company a signed and dated general release of all known and unknown claims in a separation agreement acceptable to the Company (the “Release and
Waiver”) within the applicable deadline set forth therein, but in no event later than forty-five (45) calendar days following your termination date, and permit the Release and Waiver to become effective and irrevocable in accordance
with its terms (such effective date of the Release and Waiver, the “Release Effective Date”). No Severance Payments will be paid hereunder prior to such Release Effective Date. You may be required by the separation agreement to
provide reasonable transitional services as a condition of payment of Severance Payments. 

  

			
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 (c) Definition of Cause. For purposes of this Agreement,
“Cause” means the occurrence of any one or more of the following: (i) your conviction of, or plea of no contest, or commission of any felony or any crime involving fraud, embezzlement, dishonesty or moral turpitude;
(ii) your attempted commission of, or participation in, a fraud, embezzlement or act of dishonesty (or an attempted fraud or act of dishonesty) that results in (or could result in) material harm to the Company, including but not limited to
material harm to reputational interests; (iii) your violation of a fiduciary duty or duty of loyalty owed to the Company; (iv) your material breach of any contract or agreement between you and the Company, or any material Company policies
that are disclosed or otherwise made available in writing to you prior to such breach; (v) persistent neglect of your job duties, which is not cured within fifteen (15) calendar days after you are provided written notice by the Company
(provided, that such written notice and opportunity to cure are not required if your performance or neglect is not reasonably susceptible to being cured); or (vi) your gross misconduct or material failure to comply with a reasonable written
instruction of the Company. 
 (d) Other. You will not be eligible for any Severance Payments under any circumstances other
than those described herein, including circumstances in which your employment is terminated for Cause, you terminate your employment for any reason, or your employment terminates due to your death or disability. In addition, if you materially breach
any continuing obligations to the Company (including, but not limited to, any material breach of this Agreement or any material breach of the Confidentiality Agreement) during the period of time that you are receiving any Severance Payments, you
will forfeit your entitlement to any then unpaid Severance Payments, and the Company’s obligation to continue to pay or provide such Severance Payments will immediately terminate as of the date of your material breach. 

(e) IRS Code Section 409A. All payments provided hereunder are intended to constitute separate payments for
purposes of Treasury Regulation Section 1.409A-2( b)(2). If the Company determines that any benefits provided under this Agreement constitute “deferred compensation” under Section 409A of the Internal Revenue Code of 1986 as
amended (“Section 409A”), such benefits will not commence in connection with your termination of employment unless such termination also qualifies as a “separation from service” with the Company within
the meaning of Treasury Regulation Section 1.409A-1(h) (without regard to any permissible alternative definition thereunder) (“Separation from Service”). If the Company determines that
any benefits provided under this Agreement constitute “deferred compensation” under Section 409A and you are a “specified employee” of the Company or any affiliate (or any successor entity thereto) within the meaning of
Section 409A(a)(2)(B)(i) of the Code on the date of your Separation from Service, then the payment of any such benefits shall be delayed until the earlier of (i) the date that is six (6) months and one (1) day after the date of
your Separation from Service, or (ii) the date of your death (such date, the “Delayed Payment Date”), and the Company (or the successor entity thereto, as applicable) shall (A) pay to you a lump sum amount equal to the sum
of the benefit payments that otherwise would have been paid to you on or before the Delayed Payment Date, without any adjustment on account of such delay, and (B) continue the benefit payments in accordance with any applicable payment schedules
set forth for the balance of the period specified herein. In addition to the above, to the extent required to comply with Section 409A and the applicable regulations and guidance issued thereunder, if the applicable deadline for you to execute
(and not revoke) the applicable Release and Waiver spans two (2) calendar years, your Severance Payments shall commence to be paid in installments on the first regularly scheduled payroll date that occurs in the second calendar year after the
Release Effective Date of the Release and Waiver. 

  

			
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 9. Section 280G; Limitations on Payment. 

(a) If any payment or benefit you will or may receive from the Company or otherwise (a “280G Payment”) would (i) any
constitute a “parachute payment” within the meaning of Section 280G of the Code, and (ii) but for this sentence, be subject to the excise tax imposed by Section 4999 of the Code (the “Excise Tax”), then any
such 280G Payment provided pursuant to this Agreement (a “Payment”) shall be equal to the Reduced Amount. The “Reduced Amount” shall be either (x) the largest portion of the Payment that would result in no
portion of the Payment (after reduction) being subject to the Excise Tax or (y) the largest portion, up to and including the total, of the Payment, whichever amount (i.e., the amount determined by clause (x) or by clause (y)), after taking
into account all applicable federal, state and local employment taxes, income taxes, and the Excise Tax (all computed at the highest applicable marginal rate), results in your receipt, on an after-tax basis,
of the greater economic benefit notwithstanding that all or some portion of the Payment may be subject to the Excise Tax. If a reduction in a Payment is required pursuant to the preceding sentence and the Reduced Amount is determined pursuant to
clause (x) of the preceding sentence, the reduction shall occur in the manner (the “Reduction Method”) that results in the greatest economic benefit for you. If more than one method of reduction will result in the same economic
benefit, the items so reduced will be reduced pro rata (the “Pro Rata Reduction Method”). 
 (b) Notwithstanding any
provision of Section 9(a) to the contrary, if the Reduction Method or the Pro Rata Reduction Method would result in any portion of the Payment being subject to taxes pursuant to Section 409A that would not otherwise be subject to taxes
pursuant to Section 409A, then the Reduction Method and/or the Pro Rata Reduction Method, as the case may be, shall be modified so as to avoid the imposition of taxes pursuant to Section 409A as follows: (i) as a first priority, the
modification shall preserve to the greatest extent possible, the greatest economic benefit for you as determined on an after-tax basis; (ii) as a second priority, Payments that are contingent on future
events (e.g., being terminated without Cause), shall be reduced (or eliminated) before Payments that are not contingent on future events; and (iii) as a third priority, Payments that are “deferred compensation” within the meaning of
Section 409A shall be reduced (or eliminated) before Payments that are not deferred compensation within the meaning of Section 409A. 

(c) Unless you and the Company agree on an alternative accounting firm or law firm, the accounting firm engaged by the Company for
general tax compliance purposes as of the day prior to the effective date of the Change of Control transaction shall perform the foregoing calculations. If the accounting firm so engaged by the Company is serving as accountant or auditor for the
individual, entity or group effecting the Change in Control transaction, the Company shall appoint a nationally recognized accounting or law firm to make the determinations required by this Section 10. The Company shall bear all expenses with
respect to the determinations by such accounting or law firm required to be made hereunder. The Company shall use commercially reasonable efforts to cause the accounting or law firm engaged to make the determinations hereunder to provide its
calculations, together with detailed supporting documentation, to you and the Company within fifteen (15) calendar days after the date on which your right to a 280G Payment becomes reasonably likely to occur (if requested at that time by you or
the Company) or such other time as requested by you or the Company. 
 (d) If you receive a Payment for which the Reduced Amount was
determined pursuant to clause (x) of Section 10(a) and the Internal Revenue Service determines thereafter that some 

  

			
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portion of the Payment is subject to the Excise Tax, you agree to promptly return to the Company a sufficient amount of the Payment (after reduction pursuant to clause (x) of
Section 10(a)) so that no portion of the remaining Payment is subject to the Excise Tax. For the avoidance of doubt, if the Reduced Amount was determined pursuant to clause (y) of Section 10(a), you shall have no obligation to return
any portion of the Payment pursuant to the preceding sentence. 
 10. Dispute Resolution. To ensure the rapid and economical
resolution of disputes that may arise in connection with your employment with the Company, you and the Company agree that any and all disputes, claims, or causes of action, in law or equity, including but not limited to statutory claims, arising
from or relating to the enforcement, breach, performance, or interpretation of this Agreement, your employment with the Company, or the termination of your employment with the Company, will be resolved pursuant to the Federal Arbitration Act, 9
U.S.C. §1-16, and to the fullest extent permitted by law, by final, binding and confidential arbitration conducted by JAMS, Inc. (“JAMS”) or its successors by a single arbitrator. The
arbitration will be held in San Diego, California, or such other location as then-agreed by the parties. Both you and the Company acknowledge that by agreeing to this arbitration procedure, you each waive the right to resolve any such dispute
through a trial by jury or judge or administrative proceeding. 
 Any such arbitration proceeding will be governed by JAMS’ then applicable
rules and procedures for employment disputes, which will be provided to you upon request. In any such proceeding, the arbitrator shall (a) have the authority to compel adequate discovery for the resolution of the dispute and to award such
relief as would otherwise be permitted by law; and (b) issue a written arbitration decision including the arbitrator’s essential findings and conclusions and a statement of the award. You and the Company shall be entitled to all rights and
remedies that either would be entitled to pursue in a court of law. Nothing in this Agreement is intended to prevent either the Company or you from obtaining injunctive relief in court to prevent irreparable harm pending the conclusion of any such
arbitration pursuant to applicable law. The Company shall pay all filing fees in excess of those which would be required if the dispute were decided in a court of law and shall pay the arbitrator’s fees and any other fees or costs unique to
arbitration. Any awards or orders in such arbitrations may be entered and enforced as judgments in the federal and state courts of any competent jurisdiction. 

11. General. This Agreement, along with the Confidentiality Agreement, forms the complete and exclusive statement of your
agreement with the Company regarding the subject matter hereof. It supersedes and replaces any other agreements or promises made to you by anyone concerning your employment compensation, benefits and/or terms, whether oral or written. This Agreement
may not be amended or modified except by a written modification signed by you and a duly authorized officer of the Company, with the exception of those changes expressly reserved to the Company’s discretion in this Agreement. This Agreement is
governed by the laws of the state of California, without reference to conflicts of law principles, and it is intended to bind and inure to the benefit of and be enforceable by the Company and its successors and assigns. If any provision of this
Agreement shall be held invalid or unenforceable in any respect, such invalidity or unenforceability shall not affect the other provisions of this Agreement, and such provision will be reformed, construed and enforced so as to render it valid and
enforceable consistent with the general intent of the parties insofar as possible under applicable law. With respect to the enforcement of this Agreement, no waiver of any right hereunder shall be effective unless it is in writing. Any ambiguity in
this Agreement shall not be construed against either party as the drafter. 

  

			
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This Agreement may be executed in counterparts which shall be deemed to be part of one original, and facsimile signatures shall be equivalent to original signatures. 

To confirm your terms of continuing employment, please sign and date this Agreement and the Confidentiality Agreement and return the fully signed documents to
me. Please let me know if you have any questions. 
 Sincerely, 

ARTIVA BIOTHERAPEUTICS, INC. 
  

			
	By:	 	 /s/ Thomas J. Farrell

		 	Thomas J. Farrell,
		 	President and Chief Executive Officer

 Reviewed, Understood, and Accepted: 
  

							
	 /s/ Jason Blair Litten
	 		 		 	 Aug. 14, 2019

	Dr. Jason Blair Litten	 		 		 	Date

  

			
	Artiva Biotherapeutics, Inc. I 4747 Executive Drive, Suite 1150, San Diego CA	  	// 7EX-10.12

 Exhibit 10.12 

 
 

 
 August 24th, 2020 

Ms. Jennifer Bush 
 Private &
Confidential 
  

	Re:	 Employment Offer Letter 

Dear Jennifer, 
 On behalf of Artiva Biotherapeutics, Inc. (the
“Company”), I am pleased to offer you employment under the terms set forth in this offer letter agreement (this “Agreement”). These employment terms will be effective as of your start date, September 16th, 2020. 
 Employment Position; Duties. You will be employed as the Company’s Executive Vice
President, General Counsel, Corporate Secretary and Compliance Officer, reporting to the Company’s President & CEO. You will have those duties and responsibilities as are customary for these positions and as may be directed by the
Company. You will work from the corporate office in San Diego and your position may require business travel. During your employment, you will devote your full-time best efforts to the business of the Company. 

1. Base Salary; Employee Benefits and Business Expenses. 

(a) Base Salary. Your initial base salary will be paid at the annual rate of $350,000.00 less standard payroll deductions and tax
withholdings. Your base salary will be paid on the Company’s normal payroll schedule. As an exempt salaried employee, you will be required to work the Company’s normal business hours, and such additional time as appropriate for your work
assignments and position. You will not be eligible for extra payment under the overtime laws. 
 (b) Employee Benefits. As a regular
full-time employee, you will be eligible to participate in the Company’s standard employee benefits (pursuant to the terms and conditions of the benefit plans and applicable policies), as they may be terminated or changed from time to time
within the Company’s discretion. 
 (c) Business Expenses. Your legitimate and documented business expenses will be reimbursed by
the Company as provided under its business expense reimbursement policies. 
 2. Annual Bonus. In addition to base salary, you will be
eligible to earn discretionary incentive compensation at an annual target amount of thirty percent (30%) of your base salary in effect during the bonus year. With respect to the annual incentive compensation program, the Company’s
executive team will evaluate and recommend specific annual individual and corporate performance 

  

			
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targets, metrics and/or management-by-objectives (“MBOs”), to be finalized and approved by
Company’s Board of Directors (the “Board”), as part of its annual compensation review process. Annual bonuses are paid on an annual basis, after the close of the fiscal year and after determination by the Board of (a) the
level of achievement of the applicable individual and corporate performance targets, metrics and/or MBOs, and (b) the amount of the annual incentive compensation earned by you (if any). No amount of annual incentive compensation is guaranteed
and, in addition to the other conditions for earning such compensation, you must remain an employee in good standing of the Company on the scheduled annual incentive compensation payment date in order to be eligible for any annual incentive
compensation. This annual incentive compensation program will be the only incentive compensation, commissions, or other bonus program that will apply to you. 

3. Equity Award. Upon joining the Company, and subject to approval by the Company’s Board of Directors, you will be eligible to
receive a stock option to purchase 100,000 shares of common stock. The purchase price per share will be equal to the fair market value of the Company’s common stock on the date of grant. Twenty-five percent (25%) of the shares subject to the
option will vest on the one year anniversary of the vesting commencement date, December 5th, 2019, and the remainder will vest in equal monthly installments thereafter over the next thirty-six (36) months, subject to your continued service with the Company. The terms of the option will be governed by the Company’s 2020 Equity Incentive Plan (the “Plan”) and an option
award agreement between you and the Company. 
 4. Compliance with Confidentiality Agreement and Company Policies. As a condition of
employment, you shall sign and comply with the Company’s standard form of Employee Confidential Information and Invention Assignment Agreement (the “Confidentiality Agreement”). The Confidentiality Agreement shall be deemed
fully incorporated into this Agreement by reference. You are also required to sign and certify there is no debarment. 
 5. Protection of
Third Party Information and Outside Activities. 
 (a) Third Party Information. In your work for the Company, you will be expected
not to make any unauthorized use or disclosure of any confidential information or materials, including trade secrets, of any former employer or other third party; and not to violate any lawful agreement that you may have with any third party. By
signing this Agreement, you represent that you are able to perform your job duties within these guidelines, and you are not in unauthorized possession or control of any confidential documents, information, or other property of any former employer.
In addition, you represent that you have disclosed to the Company in writing any agreement you may have with any third party (e.g., a former employer) that may limit your ability to perform your duties to the Company or that could present a conflict
of interest with the Company, including but not limited to disclosure (and a copy) of any contractual restrictions on solicitations or competitive activities. 

(b) Outside Activities. During your employment by the Company, you may engage in civic and not-for-profit activities so long as such activities do not interfere with the performance of your duties hereunder or present a conflict of interest with the Company or its Affiliates (as defined in the
Plan). Subject to the restrictions set forth herein, and only with prior written disclosure to and written consent of the Board, you may engage in other types of business or public activities. The Board may withdraw such consent, if the Board
determines, in its sole discretion, that such activities compromise or threaten to compromise the business interests of the Company or its Affiliates or conflict with your duties to the Company. 

 (c) Non-Competition. During your employment
by the Company, you will not, without the express written consent of the Board, directly or indirectly serve as an officer, director, stockholder, employee, partner, proprietor, investor, joint venturer, associate, representative or consultant of
any person or entity engaged in, or planning or preparing to engage in, business activity competitive with any line of business engaged in (or planned to be engaged in) by the Company or its Affiliates; provided, however, that you may purchase or
otherwise acquire up to (but not more than) one percent (1%) of any class of securities of any enterprise (without participating in the activities of such enterprise) if such securities are listed on any national or regional securities exchange. In
addition, you will be subject to certain restrictions (including restrictions continuing after your employment ends) under the terms of your Confidentiality Agreement. 

6. At-Will Employment Relationship. Your employment relationship with the Company is employment at-will. Accordingly, you may terminate your employment with the Company at any time and for any reason whatsoever simply by notifying the Company; and the Company may terminate your employment at any time with or
without Cause (as defined below) or prior notice. In addition, the Company retains the discretion to modify your other employment terms from time to time, including but not limited to your position, duties, reporting relationship, work location,
compensation (including base salary and incentive compensation terms), and benefits. 
 7. Severance. 

(a) Severance for Qualifying Termination. If (i) your employment is terminated by the Company without Cause, other than due to your
death or disability, or you terminate your employment for Good Reason (as defined in the Plan) and (ii) you satisfy the Release Requirement (defined below), then you will receive the Severance Payments (defined below) as your sole severance
benefits, and you will not be eligible for severance benefits under any other policy, plan or agreement. Specifically, you will receive severance pay in the form of continuation of your final monthly base salary for six (6) months, less
standard payroll deductions and tax withholdings (the “Severance Payments”). Subject to Section 7(e), the Severance Payments will be paid in equal installments on the Company’s regular payroll schedule in effect following
your termination date, with such payments to begin on the first regular payroll date following the Release Effective Date (as defined below). If the Severance Payments do not commence with the first regular payroll date following your termination
date because the Release Effective Date is later than such first payroll date, the first installment of the Severance Payments you receive will be a “catch up” payment in the total amount of the Severance Payments you would have received
through such payroll date if such payments had begun with the first payroll date after your termination date. 
 (b) Release Requirement.
To be eligible for the Severance Payments pursuant to Section 7(a) above you must satisfy the following release requirement (the “Release Requirement”): return to the Company a signed and dated general release of all known
and unknown claims in a separation agreement acceptable to the Company (the “Release and Waiver”) within the applicable deadline set forth therein, but in no event later than forty-five (45) calendar days following your
termination date, and permit the Release and Waiver to become effective and irrevocable in accordance with its terms (such effective date of the Release and Waiver, the “Release Effective Date”). No Severance Payments will be paid
hereunder prior to such Release Effective Date. You may be required by the separation agreement to provide reasonable transitional services as a condition of payment of Severance Payments. 

 (c) Definition of Cause. For purposes of this Agreement, “Cause”
means the occurrence of any one or more of the following: (i) your conviction of, or plea of no contest, or commission of any felony or any crime involving fraud, embezzlement, dishonesty or moral turpitude; (ii) your attempted commission
of, or participation in, a fraud, embezzlement or act of dishonesty (or an attempted fraud or act of dishonesty) that results in (or could result in) material harm to the Company, including but not limited to material harm to reputational interests;
(iii) your violation of a fiduciary duty or duty of loyalty owed to the Company; (iv) your material breach of any contract or agreement between you and the Company, or any material Company policies that are disclosed or otherwise made
available in writing to you prior to such breach; (v) persistent neglect of your job duties, which is not cured within fifteen (15) calendar days after you are provided written notice by the Company (provided, that such written notice and
opportunity to cure are not required if your performance or neglect is not reasonably susceptible to being cured); or (vi) your gross misconduct or material failure to comply with a reasonable written instruction of the Company. 

(d) Other. You will not be eligible for any Severance Payments under any circumstances other than those described herein, including
circumstances in which your employment is terminated for Cause, you terminate your employment for any reason, or your employment terminates due to your death or disability. In addition, if you materially breach any continuing obligations to the
Company (including, but not limited to, any material breach of this Agreement or any material breach of the Confidentiality Agreement) during the period of time that you are receiving any Severance Payments, you will forfeit your entitlement to any
then unpaid Severance Payments, and the Company’s obligation to continue to pay or provide such Severance Payments will immediately terminate as of the date of your material breach. 

(e) IRS Code Section 409A. All payments provided hereunder are intended to constitute separate payments for purposes
of Treasury Regulation Section 1.409A-2(b)(2). If the Company determines that any benefits provided under this Agreement constitute “deferred compensation” under Section 409A of the
Internal Revenue Code of 1986 as amended (“Section 409A”), such benefits will not commence in connection with your termination of employment unless such termination also qualifies as a “separation from
service” with the Company within the meaning of Treasury Regulation Section 1.409A-1(h) (without regard to any permissible alternative definition thereunder) (“Separation from
Service”). If the Company determines that any benefits provided under this Agreement constitute “deferred compensation” under Section 409A and you are a “specified employee” of the Company or any affiliate (or any
successor entity thereto) within the meaning of Section 409A(a)(2)(B)(i) of the Code on the date of your Separation from Service, then the payment of any such benefits shall be delayed until the earlier of (i) the date that is six
(6) months and one (1) day after the date of your Separation from Service, or (ii) the date of your death (such date, the “Delayed Payment Date”), and the Company (or the successor entity thereto, as applicable) shall
(A) pay to you a lump sum amount equal to the sum of the benefit payments that otherwise would have been paid to you on or before the Delayed Payment Date, without any adjustment on account of such delay, and (B) continue the benefit
payments in accordance with any applicable payment schedules set forth for the balance of the period specified herein. In addition to the above, to the extent required to comply with Section 409A and the applicable regulations and guidance
issued thereunder, if the applicable deadline for you to execute (and not revoke) the applicable Release and Waiver spans two (2) calendar years, your Severance Payments shall commence to be paid in installments on the first regularly scheduled
payroll date that occurs in the second calendar year after the Release Effective Date of the Release and Waiver. 

 8. Section 280G; Limitations on Payment. 

(a) If any payment or benefit you will or may receive from the Company or otherwise (a “280G Payment”) would
(i) any constitute a “parachute payment” within the meaning of Section 280G of the Code, and (ii) but for this sentence, be subject to the excise tax imposed by Section 4999 of the Code (the “Excise
Tax”), then any such 280G Payment provided pursuant to this Agreement (a “Payment”) shall be equal to the Reduced Amount. The “Reduced Amount” shall be either (x) the largest portion of the Payment
that would result in no portion of the Payment (after reduction) being subject to the Excise Tax or (y) the largest portion, up to and including the total, of the Payment, whichever amount (i.e., the amount determined by clause (x) or by
clause (y)), after taking into account all applicable federal, state and local employment taxes, income taxes, and the Excise Tax (all computed at the highest applicable marginal rate), results in your receipt, on an
after-tax basis, of the greater economic benefit notwithstanding that all or some portion of the Payment may be subject to the Excise Tax. If a reduction in a Payment is required pursuant to the preceding
sentence and the Reduced Amount is determined pursuant to clause (x) of the preceding sentence, the reduction shall occur in the manner (the “Reduction Method”) that results in the greatest economic benefit for you. If more
than one method of reduction will result in the same economic benefit, the items so reduced will be reduced pro rata (the “Pro Rata Reduction Method”). 

(b) Notwithstanding any provision of Section 8(a) to the contrary, if the Reduction Method or the Pro Rata Reduction Method would
result in any portion of the Payment being subject to taxes pursuant to Section 409A that would not otherwise be subject to taxes pursuant to Section 409A, then the Reduction Method and/or the Pro Rata Reduction Method, as the case may be,
shall be modified so as to avoid the imposition of taxes pursuant to Section 409A as follows: (i) as a first priority, the modification shall preserve to the greatest extent possible, the greatest economic benefit for you as determined on
an after-tax basis; (ii) as a second priority, Payments that are contingent on future events (e.g., being terminated without Cause), shall be reduced (or eliminated) before Payments that are not
contingent on future events; and (iii) as a third priority, Payments that are “deferred compensation” within the meaning of Section 409A shall be reduced (or eliminated) before Payments that are not deferred compensation within
the meaning of Section 409A. 
 (c) Unless you and the Company agree on an alternative accounting firm or law firm, the
accounting firm engaged by the Company for general tax compliance purposes as of the day prior to the effective date of the Change of Control transaction shall perform the foregoing calculations. If the accounting firm so engaged by the Company is
serving as accountant or auditor for the individual, entity or group effecting the Change in Control transaction, the Company shall appoint a nationally recognized accounting or law firm to make the determinations required by this Section 8.
The Company shall bear all expenses with respect to the determinations by such accounting or law firm required to be made hereunder. The Company shall use commercially reasonable efforts to cause the accounting or law firm engaged to make the
determinations hereunder to provide its calculations, together with detailed supporting documentation, to you and the Company within fifteen (15) calendar days after the date on which your right to a 280G Payment becomes reasonably likely to
occur (if requested at that time by you or the Company) or such other time as requested by you or the Company. 
 (d) If you receive a
Payment for which the Reduced Amount was determined pursuant to clause (x) of Section 8(a) and the Internal Revenue Service determines thereafter that some portion of the Payment is subject to the Excise Tax, you agree to promptly return
to the Company a sufficient amount of the Payment (after reduction pursuant to clause (x) of Section 8(a)) so that no portion of the remaining 

 
Payment is subject to the Excise Tax. For the avoidance of doubt, if the Reduced Amount was determined pursuant to clause (y) of Section 8(a), you shall have no obligation to return any
portion of the Payment pursuant to the preceding sentence. 
 9. Dispute Resolution. To ensure the rapid and economical resolution of
disputes that may arise in connection with your employment with the Company, you and the Company agree that any and all disputes, claims, or causes of action, in law or equity, including but not limited to statutory claims, arising from or relating
to the enforcement, breach, performance, or interpretation of this Agreement, your employment with the Company, or the termination of your employment with the Company, will be resolved pursuant to the Federal Arbitration Act, 9 U.S.C. §1-16, and to the fullest extent permitted by law, by final, binding and confidential arbitration conducted by JAMS, Inc. (“JAMS”) or its successors by a single arbitrator. The arbitration will
be held in San Diego, California, or such other location as then-agreed by the parties. Both you and the Company acknowledge that by agreeing to this arbitration procedure, you each waive the right to resolve any such dispute through a trial
by jury or judge or administrative proceeding. 
 Any such arbitration proceeding will be governed by JAMS’ then applicable rules and
procedures for employment disputes, which will be provided to you upon request. In any such proceeding, the arbitrator shall (a) have the authority to compel adequate discovery for the resolution of the dispute and to award such relief as would
otherwise be permitted by law; and (b) issue a written arbitration decision including the arbitrator’s essential findings and conclusions and a statement of the award. You and the Company shall be entitled to all rights and remedies that
either would be entitled to pursue in a court of law. Nothing in this Agreement is intended to prevent either the Company or you from obtaining injunctive relief in court to prevent irreparable harm pending the conclusion of any such arbitration
pursuant to applicable law. The Company shall pay all filing fees in excess of those which would be required if the dispute were decided in a court of law and shall pay the arbitrator’s fees and any other fees or costs unique to arbitration.
Any awards or orders in such arbitrations may be entered and enforced as judgments in the federal and state courts of any competent jurisdiction. 

10. General. This Agreement, along with the Confidentiality Agreement, forms the complete and exclusive statement of your agreement with
the Company regarding the subject matter hereof. It supersedes and replaces any other agreements or promises made to you by anyone concerning your employment compensation, benefits and/or terms, whether oral or written. This Agreement may not be
amended or modified except by a written modification signed by you and a duly authorized officer of the Company, with the exception of those changes expressly reserved to the Company’s discretion in this Agreement. This Agreement is governed by
the laws of the state of California, without reference to conflicts of law principles, and it is intended to bind and inure to the benefit of and be enforceable by the Company and its successors and assigns. If any provision of this Agreement shall
be held invalid or unenforceable in any respect, such invalidity or unenforceability shall not affect the other provisions of this Agreement, and such provision will be reformed, construed and enforced so as to render it valid and enforceable
consistent with the general intent of the parties insofar as possible under applicable law. With respect to the enforcement of this Agreement, no waiver of any right hereunder shall be effective unless it is in writing. Any ambiguity in this
Agreement shall not be construed against either party as the drafter. This Agreement may be executed in counterparts which shall be deemed to be part of one original, and facsimile signatures shall be equivalent to original signatures. 

 To confirm your terms of continuing employment, please sign and date this Agreement and the Confidentiality
Agreement and return the fully signed documents to me. Please let me know if you have any questions. 
 Sincerely, 

 

			
	ARTIVA BIOTHERAPEUTICS, INC.
		
	By:	 	 /s/ Thomas J. Farrell

		 	Thomas J. Farrell,
		 	President and Chief Executive Officer

  

							
	Reviewed, Understood, and Accepted:	 		 		 	
				
	 /s/ Jennifer K. Bush, J.D.
	 		 		 	 August 27, 2020

	Jennifer K. Bush, J.D.	 		 		 	Date

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