Document:

EX-10.6

 Exhibit 10.6 
  

 
 August 19, 2019 

Mr. Fred Schwarzer 
 c/o IGM Biosciences, Inc. 

325 E. Middlefield Road 
 Mountain View, CA 94043 

Dear Mr. Schwarzer: 
 This letter agreement
(the “Agreement”) is entered into between Fred Schwarzer (“you”) and IGM Biosciences, Inc. (the “Company” or “we”), effective as of August 19, 2019 (the “Effective
Date”), to confirm the terms and conditions of your employment with the Company as of the Effective Date. This Agreement supersedes and replaces any and all employment terms, compensation, or benefits you may have had or to which you may
have been entitled prior to the Effective Date. 
 1. Title/Position. You will continue to serve as the Company’s
President and Chief Executive Officer. You also will continue to report to the Company’s Board of Directors and will perform the duties and responsibilities customary for such position and such other related duties as are lawfully assigned by
the Company’s Board. By signing this Agreement, you confirm that you continue to have no contractual commitments or other legal obligations that would prohibit you from performing your duties for the Company. 

2. Base Salary. As of the Effective Date, your annual base salary is $428,000, which will be payable, less any applicable
withholdings, in accordance with the Company’s normal payroll practices. Your annual base salary will be subject to review and adjustment from time to time by our Board or its Compensation Committee (the “Committee”), as
applicable, in its sole discretion. 
 3. Annual Bonus. For the Company’s 2019 fiscal year, you will have the opportunity
to earn a target annual cash bonus equal to 40% of your annual base salary earned during the fiscal year, based on achieving performance objectives established by the Board or Committee, as applicable, in its sole discretion and payable upon
achievement of those objectives as determined by the Committee. Unless determined otherwise by the Board or Committee, as applicable, any such bonus will be subject to your continued employment through and until the date of payment. Your annual
bonus opportunity and the applicable terms and conditions may be adjusted from time to time by our Board or the Committee, as applicable, in its sole discretion. 

4. Equity Awards. You will be eligible to receive awards of stock options, restricted stock units or other equity awards
pursuant to any plans or arrangements the Company may have in effect from time to time. The Board or Committee, as applicable, will determine in its sole discretion whether you will be granted any such equity awards and the terms of any such award
in accordance with the terms of any applicable plan or arrangement that may be in effect from time to time. Your equity awards outstanding as of the Effective Date will continue in effect on their existing terms. 

  
 325 E. Middlefield Road
Mountain View, CA 94043 Tel: 650-965-7873 

 5. Employee Benefits. You will continue to be eligible to participate in the
benefit plans and programs established by the Company for its employees from time to time, subject to their applicable terms and conditions, including without limitation any eligibility requirements. The Company reserves the right to modify, amend,
suspend or terminate the benefit plans and programs it offers to its employees at any time. 
 6. Severance. As of the
Effective Date, you will be eligible to participate in the Company’s Change in Control and Severance Policy (the “CIC/Severance Policy”) with the benefits applicable to you based on your position within the Company. The
CIC/Severance Policy and the participation agreement under the CIC/Severance Policy that you signed at the same time as this letter specify the severance payments and benefits you may become entitled to receive in connection with certain qualifying
terminations of your employment with the Company. These protections supersede all other severance payments and benefits to which you otherwise may be entitled, or may become entitled in the future, under any plan, program or policy that the Company
may have in effect from time to time. For purposes of clarification, any severance benefits or arrangements that may have applied to you before the Effective Date no longer will apply and you will have no rights or entitlements under any such plans,
programs, agreements or arrangements. 
 7. Confidentiality Agreement. As an employee of the Company, you will continue to
have access to certain confidential information of the Company and you may, during the course of your employment, develop certain information or inventions that will be the property of the Company. To protect the interests of the Company, your
acceptance of this Agreement confirms that the terms of the Employee Proprietary Information and Inventions Agreement you previously signed with the Company (the “Confidentiality Agreement”) still apply. 

8. At-Will Employment. This Agreement does not imply any right to your continued
employment for any period with the Company or any of its affiliates. Your employment with the Company will continue to be “at will.” It is for no specified term, and may be terminated by you or the Company at any time, with or without
cause or advance notice. 
 9. Protected Activity Not Prohibited. Nothing in this Agreement or in any other agreement between
you and the Company, as applicable, will in any way limit or prohibit you from engaging for a lawful purpose in any Protected Activity. For purposes of this Agreement, “Protected Activity” means filing a charge, complaint, or report
with, or otherwise communicating, cooperating, or participating in any investigation or proceeding that may be conducted by, any state, federal, or local governmental agency or commission, including the U.S. Securities and Exchange Commission, the
Equal Employment Opportunity Commission, the Occupational Safety and Health Administration, and the National Labor Relations Board (the “Government Agencies”). You understand that in connection with such Protected Activity, you are
permitted to disclose documents or other information as permitted by law, and without giving notice to, or receiving authorization from, the Company. Notwithstanding the foregoing, you agree to take all reasonable precautions to prevent any
unauthorized use or disclosure of any information that may constitute Company confidential information under the Confidentiality Agreement to any parties other than the Government Agencies. You further understand that “Protected Activity”
does not include the disclosure of any Company attorney-client privileged communications. Any language in the Confidentiality Agreement regarding your right to engage in Protected Activity that conflicts with, or is

  
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contrary to, this paragraph is superseded by this Agreement. In addition, pursuant to the Defend Trade Secrets Act of 2016, you are notified that an individual will not be held criminally or
civilly liable under any federal or state trade secret law for the disclosure of a trade secret that (i) is made in confidence to a federal, state, or local government official (directly or indirectly) or to an attorney solely for the purpose
of reporting or investigating a suspected violation of law, or (ii) is made in a complaint or other document filed in a lawsuit or other proceeding, if (and only if) such filing is made under seal. In addition, an individual who files a lawsuit
for retaliation by an employer for reporting a suspected violation of law may disclose the trade secret to the individual’s attorney and use the trade secret information in the court proceeding, if the individual files any document containing
the trade secret under seal and does not disclose the trade secret, except pursuant to court order. 
 10. Miscellaneous. This
Agreement, together with the Confidentiality Agreement, the CIC/Severance Policy and any outstanding equity awards granted to you by the Company under its 2010 Stock Plan and 2018 Omnibus Incentive Plan and the applicable award agreements
thereunder, constitute the entire agreement between you and the Company regarding the material terms and conditions of your employment, and they supersede and replace all prior negotiations, representations or agreements between you and the Company.
This Agreement may be modified only by a written agreement signed by you and a duly authorized officer of the Company. 
 [Signature page
follows.] 

  
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 To confirm the current terms and conditions of your employment, please sign and date in the spaces indicated
and return this Agreement to me. 
 Sincerely, 
 IGM
Biosciences, Inc. 
 /s/ Suzette Tauber 
 Suzette Tauber 

Vice President, Human Resources 
 ACCEPTED AND AGREED TO this

 17 day of August, 2019. 
  

	
	/s/ Fred Schwarzer
	Fred Schwarzer

  
 4EX-10.7

 Exhibit 10.7 

EMPLOYMENT AGREEMENT 

This EMPLOYMENT AGREEMENT, dated as of July 12, 2018 is between IGM Biosciences, Inc., a Delaware corporation (the “Company”)
and Daniel S. Chen, M.D., Ph.D. (“Executive”). In consideration of the mutual covenants contained herein, the parties agree as follows: 

1. Employment; Term of Employment. The Company hereby employs Executive effective as of August 1, 2018 (the “Effective
Date”), and Executive hereby accepts such employment with the Company, upon all the terms and conditions set forth below. The term of Executive’s employment under this Agreement shall continue from the Effective Date until terminated in
accordance with this Agreement (the “Employment Term”). 
 The Company and Executive acknowledge that Executive’s employment
is at will and can be terminated by either party at any time upon written notice, with or without Cause (as defined below). 
 2.
Duties. 
 (a) Position. The Company shall employ Executive in the position of Chief Medical Officer and may assign other
reasonable duties consistent with such position from time to time. 
 (b) Duties and Responsibilities. Executive shall devote 100% of
his full professional efforts and time to the Company. As Chief Medical Officer, Executive’s principal duties will include helping to manage all clinical development efforts of the Company and participating fully in all of the Company’s
undertakings related to clinical development, whether internally or externally focused. Executive is expected to participate fully and collaboratively as a senior member of the management team of the Company, including internal and external
execution and strategy, investor and public relations and the full range of duties and responsibilities expected of the senior managers of the Company. Executive is expected to be flexible, participatory and collaborative, as projects, efforts and
responsibilities will evolve in scope and nature. Executive will report to the Chief Executive Officer of the Company. Notwithstanding the foregoing, nothing in this Agreement shall prevent Executive from serving on the boards of directors of any for-profit businesses or non-profit organizations or serving in various other capacities in community, civic, religious or charitable organizations or trade associations or
leagues, provided that such participation does not, individually or in the aggregate, materially interfere with the performance by Executive of his duties hereunder, and provided further that in the case of service on the board of a for-profit business, such service has been approved by the Chief Executive Officer of the Company (which approval will not be unreasonably withheld). Executive may make passive investments of less than five percent
(5%) of the publicly traded securities of any company listed on a national securities exchange or publicly traded on any nationally recognized over-the-counter market
provided that such investments are not made on the basis of non-public information concerning the Company and are not otherwise inconsistent with Executive’s fiduciary obligations to the Company. 

 3. Compensation. 

(a) Base Salary. The Company shall pay Executive salary at the annualized rate of US$500,000, less payroll deductions and required
withholdings (“Base Salary”). Base Salary shall be paid semi-monthly in accordance with normal Company payroll practices. The Company shall review Executive’s Base Salary on an annual basis to determine in its sole discretion whether
an upward adjustment to such compensation is warranted. Any upward adjustment to Base Salary shall be considered the new Base Salary for purposes of this Agreement. 

(b) Equity Grant. The Company will, as soon as practicable after the Effective Date and the pending elimination of the Company’s
current holding company (but within sixty (60) days of Executive’s commencement of employment under any circumstances), issue to Executive 770,000 shares of Common Stock without cash purchase consideration (the “Sign-On Shares”). Subject to a forthcoming 409A valuation which shall be provided to Executive as soon as completed by the Company, the Company anticipates that the price per share associated with the Sign-On Shares shall be approximately $.21 per share. In the event that the 409A valuation results in a price per share for the Sign-On Shares that exceeds $.35 per share, the
Company will provide Executive with a one-time cash payment that will mitigate the excess tax burden associated with the price per share differential as to the Sign-On
Shares. If Executive voluntarily terminates his employment for any reason other than Good Reason (as defined in Section 4(c) below) or if the Company terminates his employment for Cause (as defined below) on or before the first anniversary of
the Effective Date, all of the Sign-On Shares will be automatically forfeited by Executive without consideration. If Executive voluntarily terminates his employment for any reason other than Good Reason or if
the Company terminates his employment for Cause after the first anniversary of the Effective Date but on or before the second anniversary of the Effective Date, one half (385,000) of the Sign-On Shares will be
automatically forfeited by Executive without consideration. “Cause” shall mean (i) any act of personal dishonesty taken by the Executive in connection with his responsibilities as an employee and intended to result in substantial
personal enrichment of the Executive; (ii) the Executive being convicted of a felony; or (iii) a willful and deliberate act by the Executive which constitutes gross misconduct and which is injurious to the Company. The Sign-On Shares will be subject to customary documentation providing, among other things, for an escrow of the shares that remain subject to forfeiture and a right of first refusal in favor of the Company until an
initial public offering. Executive will be responsible for payment of all applicable taxes on the issuance of the Sign-On Shares. The Company shall have the right to require Executive, through payroll
withholding, cash payment or otherwise, to make adequate and prompt provision for the federal and state taxes, if any, required by law to be withheld by the Company with respect to the issuance of the Sign-On
Shares. The Company shall have no obligation to deliver Sign-On Shares or to release Sign-On Shares from escrow until the Company’s tax withholding obligations have
been satisfied by Executive. 

  
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 (c) Option Grant. The Company will, as soon as practicable after the Effective Date
and the pending elimination of the Company’s current holding company (but within sixty (60) days of Executive’s commencement of employment under any circumstances), grant Executive a stock option (the “Option”) under the
Company’s equity compensation plan to purchase a number of shares of the Company’s Common Stock equal to approximately three percent of the then outstanding fully-diluted shares at an exercise price equal to the fair market value of the
Common Stock on the date of grant of the Option. Subject to a forthcoming 409A valuation which shall be provided to Executive as soon as completed by the Company, the Company anticipates that the price per share associated with the Option will be
approximately $.21 per share. The form of the Option agreement will be substantially in the form attached hereto as Exhibit A. The Option will become exercisable (or “vest”) as to twenty-five percent (25%) of the shares on the first
anniversary of the Effective Date, provided that Executive’s service with the Company has not terminated prior to such anniversary date. No shares shall vest before such date, and no rights to any vesting shall be earned or accrued prior to
such date. The remaining shares shall vest and become exercisable over the following 36 months in equal monthly installments for each month of Executive’s continuous service with the Company. In the event that the Company terminates
Executive’s employment without Cause or Executive terminates his employment for Good Reason, an additional number of the unvested shares subject to the Option equal to the number of shares that would have vested over the following twelve
(12) months shall become vested and immediately exercisable. 
 The Option will be subject to documentation including the Company’s customary
terms, including a right of first refusal in favor of the Company until an initial public offering. Executive also may be given the opportunity to receive additional equity compensation from the Company in such amounts and on such terms as
determined in the sole discretion of the Board. The Option will accelerate in full upon a “Change in Control” (as defined below). “Change in Control” means the occurrence of any of the following: (i) the liquidation or
dissolution of the Company, or (ii) an Ownership Change Event (as defined below) or a series of related Ownership Change Events (collectively, a “Transaction”) in which the stockholders of the Company immediately before the
Transaction do not retain immediately after the Transaction, in substantially the same proportions as their ownership of shares of the Company’s voting stock immediately before the Transaction, direct or indirect beneficial ownership of more
than fifty percent (50%) of the total combined voting power of the outstanding voting securities of the Company or, in the case of an Ownership Change Event described in clause (iii) of the definition of “Ownership Change Event”
below, the entity to which the assets of the Company were transferred (the “Transferee”), as the case may be. For purposes of the preceding sentence, indirect beneficial ownership shall include, without limitation, an interest resulting
from ownership of the voting securities of one or more corporations or other business entities which own the Company or the Transferee, as the case may be, either directly or through one or more subsidiary corporations or other business entities.
The Board shall have the right to determine whether multiple sales or exchanges of the voting securities of the Company or multiple Ownership Change Events are related, and its good faith determination shall be final, binding and conclusive.
“Ownership Change Event” means the occurrence of any of the following with respect to the Company: (i) the direct or indirect sale or exchange in a single or series of related transactions by the stockholders of the Company of more
than fifty percent (50%) of the voting stock of the Company; (ii) a merger or consolidation in which the Company is a party; or (iii) the sale, exchange, or transfer of all or substantially all of the assets of the Company. 

  
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 (d) Employee Benefits. Executive shall be eligible to participate in any employee
benefits plans and executive compensation programs maintained by the Company applicable to similarly situated executives of the Company, including health and disability insurance and vacation. Such eligibility shall be subject in each case to the
generally applicable terms and conditions of the plan or program in question and to the determination of any committee administering such plan or program. 

(e) Vacation, Holidays and Sick Leave. During the Employment Term, Executive shall be entitled to four (4) weeks paid vacation
each year and shall be entitled to paid holidays and sick leave in accordance with the Company’s standard policies for its senior executive officers. 

(f) Business Expenses. Executive shall be reimbursed for all reasonable and necessary business expenses incurred by him in connection
with his employment, including, without limitation, expenses for travel and entertainment incurred in conducting or promoting business for the Company in accordance with the Company’s normal expense reimbursement policies. 

4. Severance Benefits. If the Company or Executive terminates Executive’s employment at any time, then Executive shall be entitled
to receive severance benefits as follows: 
 (a) Resignation without Good Reason; Termination for Cause. If Executive’s
employment terminates by reason of his voluntary resignation without Good Reason, or if Executive is terminated for Cause, then Executive shall not be entitled to receive severance or other benefits. 

(b) Termination without Cause. If the Company terminates Executive’s employment without Cause, Executive shall be entitled to
receive severance pay, in an amount equal to a certain number of months of Base Salary (determined as of the date of termination) set forth in this Section, plus an additional gross amount of $2,000 for each month of Base Salary, less payroll
deductions and required withholdings (“Severance Pay”), subject to Executive executing and delivering to the Company, and not revoking, a release as provided below. Any amount payable shall be paid in equal semi-monthly installments during
the period having a duration specified this section below (herein the “Severance Period”), according to normal Company payroll practices, commencing with the first payroll period beginning on or after the thirtieth (30th) day following the
date of termination. In the event that the termination without Cause occurs during the first year of employment, the Severance Pay and Severance Period shall be equal to twelve (12) months. In the event that the termination without Cause occurs
in the second year of employment, the Severance Pay and Severance Period shall be reduced by a period of one month for every month of continued employment in such year to a maximum reduction of six (6) months. For the avoidance of doubt, if the
Company terminates Executive’s employment in the fourteenth month of employment, the Severance Pay and Severance Period shall be ten (10) months. If the Company terminates Executive’s employment in the nineteenth month of employment
or thereafter, the Severance Pay and Severance Period shall be six (6) months. 

  
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 Executive agrees, as a condition to receipt of any payments provided for in this Section 4(b) (i.e.,
payments that the Company is not otherwise required by law to pay to Executive), that not later than twenty-one (21) days after the effective date of termination Executive will execute and will not
thereafter revoke a general release in the form attached hereto as Exhibit B, releasing any and all claims Executive may have arising out of Executive’s employment (other than enforcement of this Section 4(b)). 

(c) Resignation for Good Reason. If Executive resigns for Good Reason as defined in this Section, Executive shall be entitled to
receive Severance Pay, in an amount equal to a certain number of months of Base Salary (determined as of the date of termination) set forth in this Section, plus an additional gross amount of $2,000 for each month of Base Salary, less payroll
deductions and required withholdings, subject to Executive executing and delivering to the Company, and not revoking, a release as provided below. Any amount payable shall be paid in equal semi-monthly installments during the Severance Period having
a duration specified below in this section, according to normal Company payroll practices, commencing with the first payroll period beginning on or after the thirtieth (30th) day following the date of termination. In the event that the resignation
for Good Reason occurs during the first year of employment, the Severance Pay and Severance Period shall be equal to twelve (12) months. In the event that the resignation for Good Reason occurs in the second year of employment, the Severance
Pay and Severance Period shall be reduced by a period of one month for every month of continued employment in such year to a maximum reduction of six (6) months. For the avoidance of doubt, if Executive resigns for Good Reason in the fourteenth
month of employment, the Severance Pay and Severance Period shall be ten (10) months. If Executive resigns for Good Reason in the nineteenth month of employment or thereafter, the Severance Pay and Severance Period shall be six (6) months. 

For purposes of this Agreement, “Good Reason” shall mean one or more of the following conditions communicated in writing to the Company:
(A) change in Executive’s reporting line to anyone other than the Chief Executive Officer or a material change in Executive’s duties and responsibilities that is not commensurate with his position with the Company; (B) change in
the business location of the Company such that it would increase Executive’s commute by more than twenty (20) miles each way from his current residence; (C) failure to pay Executive any compensation or benefits when due or any
reduction of five percent (5%) or more in the level of compensation or benefits; (D) any directive given to Executive in conflict with his professional medical obligations or otherwise in violation of law or regulation; and/or (E) any
other material breach of the Company’s obligations to Executive under the terms and conditions of this Agreement. For Good Reason to be effective, Executive must provide written notice of the condition giving rise to Good Reason to the Chief
Executive Officer and Chairman of the Board of the Company within ten (10) days after the condition arises and allow the Company thirty (30) days to cure the condition, the Company must fail to cure the condition within such thirty
(30) day period, and unless otherwise agreed in writing Executive must resign from all positions with the Company not later than thirty (30) days after the end of the Company’s cure period. 

  
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 Executive agrees, as a condition to receipt of any payments provided for in this Section 4(c) (i.e.,
payments that the Company is not otherwise required by law to pay to Executive), that not later than twenty-one (21) days after the effective date of termination Executive will execute and will not
thereafter revoke a general release in the form attached hereto as Exhibit B, releasing any and all claims Executive may have arising out of Executive’s employment (other than enforcement of this Section 4(c)). 

5. Non-Assignability. Neither this Agreement nor any right or interest hereunder shall be
assignable by Executive, his beneficiaries, or legal representatives without the Company’s prior written consent; provided, however, that nothing in this subparagraph shall preclude (i) Executive from designating a beneficiary to receive
any benefit payable hereunder upon his death, or (ii) the executors, administrators, or other legal representatives of Executive or his estate from assigning any rights hereunder to the person or persons entitled thereunto. 

6. Confidentiality; Assignment of Inventions. Executive shall be subject to all terms set out in the Company’s standard form
employee confidentiality and assignment of inventions agreement to be executed concurrently herewith. Executive further agrees not to disclose the terms of this Agreement without the express approval of the Company, except as required by applicable
law. 
 7. Successors. Any successor to the Company (whether direct or indirect and whether by purchase, lease, merger,
consolidation, liquidation or otherwise) to all or substantially all of the Company’s business and/or assets may assume the obligations under this Agreement and agree to perform the obligations under this Agreement in the same manner and to the
same extent as the Company would be required to perform such obligations in the absence of a succession. For all purposes under this Agreement, the term “Company” shall include any successor to the Company’s business and/or assets
which executes and delivers the assumption agreement described in this Section 7 or which becomes bound by the terms of this Agreement by operation of law. 

8. Binding Effect. This Agreement shall inure to the benefit of and be binding upon the parties and their respective heirs, successors,
legal representatives and assigns. 
 9. Notices. Any notice required or permitted to be given under this Agreement shall be
sufficient if in writing and either delivered in person or sent by first class certified or registered mail, postage prepaid, if to the Company at the Company’s principal place of business, and if to Executive, at his home address most recently
filed with the Company, or to such other address as either party shall have designated in writing to the other party hereto. 
 10. Law
Governing. This Agreement shall be governed by and construed in accordance with the laws of the State of California. 
 11.
Severability. If any provision of this Agreement shall be determined to be invalid, illegal or unenforceable in whole or in part, neither the validity of the remaining part of such provision nor the validity of any other provision of this
Agreement shall in any way be affected thereby. 

  
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 12. Waiver. Failure to insist upon strict compliance with any of the terms, covenants
or conditions hereof shall not be deemed a waiver of such term, covenant or condition. 
 13. Entire Agreement; Modifications. This
Agreement, together with the release referenced in Section 4 and the confidentiality and assignment of inventions agreement referenced in Section 6, constitutes the entire agreement of the parties with respect to the subject matter hereof
and supersedes all prior agreements, oral and written between the parties hereto with respect to the subject matter hereof. This Agreement may be modified or amended only by an instrument in writing signed by both parties. 

14. Arbitration. 
 (a)
All disputes relating to Executive’s employment with the Company or the termination of Executive’s employment with the Company will be subject to and be resolved by binding arbitration pursuant to California law, including California Code
of Civil Procedure Sections 1280 through 1294.2, and specifically including Section 1283.05. Executive understands that this agreement to arbitrate also applies to any disputes that the Company may have with Executive. Unless specifically
prohibited by applicable California law, all disputes subject to arbitration must be brought in the party’s individual capacity, and not as a plaintiff or class member in any class, collective or representative action. EXECUTIVE
AGREES TO WAIVE AND HEREBY DOES WAIVE ANY RIGHT TO TRIAL BY
JURY, INCLUDING FOR ANY STATUTORY CLAIMS UNDER STATE AND FEDERAL LAW,
SPECIFICALLY INCLUDING (BUT NOT LIMITED TO) CLAIMS UNDER TITLE VII OF THE
CIVIL RIGHTS ACT OF 1964, AS AMENDED, THE AMERICANS WITH DISABILITIES ACT
OF 1990, THE AGE DISCRIMINATION IN EMPLOYMENT ACT OF 1967, THE OLDER WORKERS
BENEFIT PROTECTION ACT, THE FAMILY AND MEDICAL LEAVE ACT, THE CALIFORNIA
FAIR EMPLOYMENT AND HOUSING ACT, THE CALIFORNIA FAMILY RIGHTS ACT, THE
CALIFORNIA LABOR CODE, CLAIMS OF SEXUAL OR OTHER UNLAWFUL HARASSMENT OR
DISCRIMINATION, WRONGFUL TERMINATION, ANY OTHER STATUTORY CLAIMS, AND ANY CLAIMS FOR
BREACH OF CONTRACT, TORT, OR ANY OTHER BASES IN FEDERAL, STATE,
LOCAL, OR COMMON LAW. 
 (b) The arbitration will be administered by Judicial
Arbitration and Mediation Services (“JAMS”) and a single neutral arbitrator will be selected in a manner consistent with its Employment Arbitration Rules and Procedures (the “Rules”). The arbitration shall take place in Santa
Clara County, California and the arbitrator shall conduct and administer the arbitration in a manner consistent with the Rules, and with California law, including the power to conduct adequate discovery, decide any motions brought by any party, and
to award any remedies available under applicable law. The arbitrator shall award to the prevailing party its reasonable attorneys’ fees incurred and costs, unless prohibited by applicable law. The arbitrator shall issue a binding written award
that sets forth the essential findings and conclusions on which the award is based. The Company will pay all fees charged by the arbitrator and by JAMS, regardless of the party initiating the arbitration. The full text of the Rules is available
here: https://www.jamsadr.com/rules-employment-arbitration/. 

  
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 (c) Arbitration shall be the sole, exclusive and final method for resolving any disputes
between the Company and Executive. Accordingly, neither the Company nor Executive will be permitted to pursue an action in court regarding claims that are subject to arbitration. However, nothing in this Agreement will prohibit either party from
seeking provisional relief, including an injunction or other available provisional relief. The parties agree that no bond or other security will be required when seeking such provisional relief. If either party seeks such relief from a court, the
prevailing party shall be entitled to recover allowable costs and reasonable attorneys’ fees incurred with respect to such application. 

(d) This Agreement does not prohibit Executive from filing a charge or complaint with the U.S. Equal Employment Opportunity Commission, the
National Labor Relations Board, the Department of Labor, or any other federal, state or local government agency or commission (individually, “Government Agency,” or collectively, “Government Agencies”) or from communicating with
any Government Agencies or otherwise participating in any investigation or proceeding that may be conducted by any Government Agency. This Agreement does, however, prohibit Executive from pursuing a court action regarding any such charge or
complaint. 
 15. Employment and Income Taxes; Advice; Eligibility. All payments made pursuant to this Agreement will be subject to
withholding of employment taxes. The Executive is responsible for understanding the tax consequences of this Agreement and is not relying on the Company or its representatives for tax advice. As required by law, Executive’s employment with the
Company is also contingent upon Executive providing legal proof of his identity and authorization to work in the United States. 
 16.
Section 409(A). This Agreement as well as payments and benefits under this Agreement are intended to be exempt from, or to the extent subject thereto, to comply with Section 409A of the Code (“Section 409A”), and,
accordingly, to the maximum extent permitted, this Agreement shall be interpreted in accordance therewith. Notwithstanding anything contained herein to the contrary, Executive shall not be considered to have terminated employment with the Company
for purposes of any payments under this Agreement which are subject to Section 409A until Executive has incurred a “separation from service” from the Company within the meaning of Section 409A. Each amount to be paid or benefit
to be provided under this Agreement shall be construed as a separate identified payment for purposes of Section 409A. Without limiting the foregoing and notwithstanding anything contained herein to the contrary, to the extent required in order
to avoid an accelerated or additional tax under Section 409A, amounts that would otherwise be payable and benefits that would otherwise be provided pursuant to this Agreement during the six-month period
immediately following Executive’s separation from service shall instead be paid on the first business day after the date that is six months following Executive’s separation from service (or, if earlier, Executive’s date of death). To
the extent required to avoid an accelerated or additional tax under Section 409A, amounts reimbursable to Executive shall be paid to Executive on or before the last day of the year following the year in which the expense was incurred and the
amount of expenses eligible for reimbursement (and in kind benefits provided to Executive) during one year may not affect amounts reimbursable or provided in any subsequent year. The Company makes no representation that any or all of the payments
described in this Agreement will be exempt from or comply with Section 409A and makes no undertaking to preclude Section 409A from applying to any such payment. 

  
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 17. Indemnification. With respect to Executive’s acts or failures to act during
the Employment Term in Executive’s capacity as a manager or officer of the Company, Executive shall be entitled to liability insurance coverage on the same basis as other managers and officers of the Company. 

IN WITNESS WHEREOF the Company and Executive have duly executed and delivered this Agreement as of the day and year first above written. 

 

			
	IGM BIOSCIENCES, INC., a Delaware corporation
		
	By	 	/s/ Fred M. Schwarzer
		 	Fred M. Schwarzer, Chief Executive Officer

  

	
	EXECUTIVE
	
	/s/ Daniel S. Chen
	DANIEL S. CHEN, M.D., Ph.D.

  
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