Document:

EXHIBIT 10

EXHIBIT 10.1

OFFER LETTER, DATED DECEMBER 20, 2013, BY AND BETWEEN THE COMPANY AND JAMES B. BOYD

December 20, 2013

Dear James,

Thank you for taking the time to meet with us and discuss our job opportunities here at Pericom Semiconductor.  This letter will serve as an offer of employment to you with Pericom  Semiconductor as          Sr. Vice-President & Chief Financial Officer reporting to Alex Hui. You will work in this capacity on a full-time basis, giving your best efforts to the performance of your duties.

In this position, your annual base salary will be $260,000, earned and paid bi-weekly (divided into 26 pay periods). Additionally, you will be eligible to receive up to $100,000 in the form of an annual bonus.  This is based on achievement of certain corporate goals and MBO’s related to your position. This bonus will be determined by a combination of company performance (50%) and your department MBO’s (50%). Pericom's bonus plan for Fiscal Year 2014 started last 7/1/13 so your bonus for FY14, if earned, will be prorated based on your hire date.

We will recommend to the Board of Directors that you be granted an option to purchase 60,000 shares of common stock of Pericom Semiconductor Corporation.  The vesting schedule is 25% after one year of employment with the remaining shares to vest at the rate of 1/36th per month over the next three years of the option so that all options will vest in four years.  The options will expire ten years from date of grant.  In addition, you will be granted 25,000 shares of Restricted Stock Units (RSU). The vesting schedule is 25% once every year for four (4) years.  The award date is on a fixed date once every quarter.

As an employee, you will be eligible to participate in health and welfare benefits in accordance with Pericom Semiconductor's standard plan.  In addition, you will accrue up to ten (10) days of vacation per year pursuant to Pericom Semiconductor's vacation policy.

You are required to follow Pericom Semiconductor's policies and practices.  You will also have access to certain trade secrets, staff, customers, and confidential and proprietary information of Pericom Semiconductor.  Accordingly, we ask that you sign the attached Employee Proprietary Information Agreements.

While you render services to the Company, you agree that you will not engage in any other employment, consulting or other business activity without the prior written consent of the Company.  While you render services to the Company, you also will not assist any person or entity in competing with the Company, in preparing to compete with the Company or in hiring any employees or consultants of the Company.

Please understand that your employment at Pericom Semiconductor is for no specified period of time.  It is an at-will employment relationship, and either you or Pericom Semiconductor may terminate the relationship at any time, for any reason, with or without cause.  This paragraph is intended to be the complete and exclusive statement regarding the circumstances under which your employment may be terminated.  It supersedes any prior agreement or representation.  The terms of this paragraph may not be changed except by written agreement signed by you and the President of Pericom Semiconductor.

This offer is contingent upon your completion and execution of all employment documents, as well as your ability to provide proof of identification and authorization to work in the United States, (within three business days of your start date) and upon the completion and acceptance of all information related to your references and background check, even if this information is not known until after your employment commences.

James Boyd

Page Two

December 20, 2013

Finally, this offer letter sets forth all the material terms of your employment.  By signing it, and thereby accepting employment at Pericom Semiconductor, you acknowledge that you have not relied upon any other written or oral statements concerning the terms of your employment.

Please indicate your agreement with the terms of this letter by signing and dating one (1) copy each of both the enclosed offer letter and the enclosed Employee Proprietary Information Agreement and return to Angie Lotilla, Human Resources Director, prior to your start date.  This offer expires on December 23, 2013.

We look forward to you becoming a member of the Pericom team!

Sincerely,

Alex Hui,

President

			
	I, 

	 
	, accept this offer:

	 
	James Boyd

	 

		
	Date signed:

	 

		
	Proposed Start Date:EX-10.27

 Exhibit 10.27 

EMPLOYMENT AGREEMENT 

THIS EMPLOYMENT AGREEMENT (this “Agreement”) is entered into as of the      day of
            , 2013, by and between MacroGenics, Inc., a Maryland corporation, including its successors and assigns, (the “Employer” or “Company”), and James Karrels
(“Executive”). 
 NOW, THEREFORE, in consideration of the promises and the respective undertakings of Employer and Executive set
forth below, Employer and Executive hereby agree as follows: 
 1. Employment. Employer hereby employs Executive, and Executive
hereby accepts such employment and agrees to perform services for Employer, for the period and on the other terms and subject to the conditions set forth in this Agreement. Executive’s Start Date shall be
                     and shall be considered the Effective Date of this Agreement. 

2. Employment at Will. Executive is employed “at-will” which means that Executive’s employment is not for any defined
term and may be terminated by either Executive or the Company at any time, with or without cause, for any or no reason, subject to the notice provisions herein. 

3. Position and Duties. 

3.01. Service with Employer. Employer hereby employs Executive in an executive capacity with the title of Chief Financial Officer and
Executive hereby accepts such employment and undertakes and agrees to serve in such capacity. Subject to the overall policy directives of the Board of Directors (the “Board”) and applicable law, in Executive’s capacity as Chief
Financial Officer, Executive shall have such powers, perform such duties and fulfill such responsibilities as are typically associated with such position in other similarly situated companies. 

3.02. Performance of Duties. Executive agrees to: (i) devote substantially all of Executive’s business time, attention and
efforts to the business and affairs of Employer while employed; and (ii) adhere to all Employer’s written employment policies and procedures as shall be in force from time to time. Executive shall report directly to the President and CEO.

 3.03. Outside Activities. During the Term, Executive shall not: (i) except as set forth below, accept other employment;
(ii) except as set forth below, render or perform services for compensation to any Person (as hereinafter defined) other than Employer; (iii) serve as an officer or on the board of directors (or similar governing body) of any entity other
than Employer, whether or not for compensation; or (iv) engage in any other business, enterprise or activity that will require any effort on the part of Executive that, in the sole discretion of Employer, could reasonably be expected to
materially detract from the ability of Executive to perform Executive’s duties to Employer pursuant to this Agreement; provided, however, Executive may engage in the activities described in clause (iii) or (iv) above if
prior to engaging in such activity, Executive has disclosed such activity to the Board and received written approval to engage in such activity from the Board. Executive may engage in personal investments without disclosure to or written approval
from the Board provided Executive is not required or expected to serve as a board member, advisor or consultant and Executive shall, at any time, own beneficially less than 2% of the outstanding securities of any issuer and such personal investment
shall not otherwise interfere with Executive’s performance of duties hereunder and/or the provisions of Executive’s written agreements with Employer. 

3.04. Executive Representations. Executive represents that Executive is not subject to any restrictive covenant, confidentiality
agreement, or any other agreement that would prevent Executive from accepting employment with Employer, and based on the information provided to Employer by Executive, Employer accepts such representation. 

 4. Compensation. 

4.01. Base Salary. Employer shall pay to Executive an annual base salary for all services to be rendered by Executive under this
Agreement of $312,300 (the “Base Salary”), which Base Salary shall be paid in accordance with Employer’s normal payroll schedule, procedures and policies (which schedule, procedures and policies may be modified from time to time) and
subject to applicable deductions as required by law. Employer shall review Executive’s salary on an annual basis and may, in its discretion, consider and declare from time to time increases in the Base Salary that it pays Executive. Any and all
increases in Executive’s salary pursuant to this section shall cause the level of Base Salary to be increased by the amount of each such increase for purposes of this Agreement. The increased level of Base Salary as provided in this section
shall become the level of Base Salary for the remainder of the term of this Agreement unless there is a further increase in Base Salary as provided herein. 

4.02. Annual Bonus. Executive shall also be eligible to receive, in addition to the Base Salary, an annual bonus having a target amount
equal to 35% of Executive’s Base Salary (“Target Bonus”), with the actual amount being determined by the Compensation Committee of the Board in its discretion taking into account the Company’s performance and Executive’s
individual performance. In order to receive a Target Bonus, Executive must be employed by Employer on the date the bonus is paid. 
 4.03.
Accelerated Vesting of Certain Options Upon Occurrence of a Change in Control. Upon the occurrence of a Change in Control each outstanding stock option held by Executive that was granted by the Company to Executive prior to the date of
an initial public offering of the Company’s common stock shall, to the extent not previously vested, become fully vested. 

(a) For purposes of this Agreement, “Change of Control” means: “Change of Control” means, and shall
be deemed to have occurred, if: 
 (i) any Person, excluding (i) employee benefit plans of the Company or any of its
Affiliates, is or becomes the “beneficial owner” (as defined in Rules 13d-3 and 13d-5 under the Exchange Act, which Rules shall apply for purposes of this clause (a) whether or not the Company is subject to the Exchange Act), directly
or indirectly, of Company securities representing more than fifty percent (50%) of the combined voting power of the Company’s then outstanding securities (“Voting Power”); 

(ii) the Company consummates a merger, consolidation, share exchange, division or other reorganization or transaction of the
Company (a “Fundamental Transaction”) with any other corporation, other than a Fundamental 

  
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Transaction that results 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) at least fifty percent (50%) of the combined Voting Power immediately after such Fundamental Transaction of (i) the Company’s outstanding securities, (ii) the surviving entity’s
outstanding securities, or (iii) in the case of a division, the outstanding securities of each entity resulting from the division; 

(iii) the stockholders of the Company approve a plan of complete liquidation or
winding-up of the Company or the consummation of the sale or disposition (in one transaction or a series of transactions) of all or substantially all of the Company’s assets; or 

(iv) during any period of 24 consecutive months, individuals who at the beginning of such period constituted the Board
(including for this purpose any new director whose election or nomination for election by the Company’s stockholders was approved by a vote of at least two-thirds (2/3) of the directors then still in office who were directors at the
beginning of such period or whose appointment, election or nomination was previously so approved or recommended) cease for any reason to constitute at least a majority of the Board. 

4.04. Participation in Benefit Plans. Executive shall be entitled to participate in all employee benefit plans or programs offered to
other senior executives from time to time (to the extent that Executive meets the requirements for each such plan or program), including participation in any health insurance plan, disability insurance plan, dental plan, eye care plan, 401(k) plan,
life insurance plan, or other similar plans (all such benefits, the “Benefit Plans”). 
 4.05. Expenses. Employer shall
reimburse Executive for all ordinary and necessary business expenses reasonably incurred by him in the performance of Executive’s duties under this Agreement, subject to the presentment and approval of appropriate itemized expense statements,
receipts, vouchers or other supporting documentation in accordance with Employer’s normal policies for expense verification in effect from time to time. 

4.06. Vacation. Executive shall be entitled to no less paid vacation than the other senior executives, pursuant to Employer’s
standard vacation policies, and shall be guaranteed a minimum of four weeks of paid vacation per year. Executive may carry over up to a maximum of 200 hours of annual leave (including sick pay) at any time, and any unused vacation time beyond that
will be forfeited. 
 4.07. Total Compensation. Executive shall not receive any other compensation or benefits other than as provided
in Sections 4.01 through 4.06 hereof. 

  
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 5. Payments Upon Termination. 

5.01. Voluntary Resignation without Good Reason. Executive may terminate Executive’s employment by providing Employer with 30
days’ advance written notice. If Executive terminates Executive’s employment (other than for good reason or by reason of Disability) (i) Employer shall pay to Executive the Accrued Obligations (as defined below),
(ii) Executive’s participation in the Benefit Plans shall terminate as of the Termination Date, and (iii) Employer shall have no other obligations to Executive under this Agreement, other than those provided in this Section 5.01.

 (a) For purposes of this Agreement, “Accrued Obligations” means: (i) Executive’s earned and
unpaid Base Salary through the Termination Date; (ii) reimbursement for any reimbursable business expenses incurred by Executive through the Termination Date in accordance with Section 4.05; and (iii) Executive’s accrued but
unused vacation time as of the Termination Date. The amounts payable pursuant to clauses (i) and (iii) hereof shall be paid no later than sixty (60) days following Executive’s Termination Date. 

(b) For purposes of this Agreement, “Termination Date” means: the effective date of Executive’s
“separation from service” as defined in Section 409A of the Internal Revenue Code of 1986, as amended (the “Code”). 

5.02. Termination by Employer For Cause. If Executive is terminated for Cause: (i) Employer shall pay to Executive the Accrued
Obligations, (ii) Executive’s participation in the Benefit Plans shall terminate as of the Termination Date, and (iii) Employer shall have no further obligations to Executive under this Agreement, other than those provided in this
Section 5.02. For purposes of this Agreement, “Cause” means: (a) Executive’s failure to substantially perform Executive’s duties with the Company (if Executive has not cured such failure to substantially perform,
if curable, within thirty (30) days after Executive’s receipt of written notice thereof from the Board that specifies the conduct constituting Cause under this clause (a)); (b) Executive’s willful misconduct, or gross negligence
in the performance of Executive’s duties hereunder; (c) the conviction of Executive, or the entering by Executive of a guilty plea or plea of no contest with respect to, any crime that constitutes a felony or involves fraud, dishonesty or
moral turpitude; (d) Executive’s commission of an act of fraud, embezzlement or misappropriation against the Company; (e) Executive’s material breach of the fiduciary duty owed by Executive to Company; (f) Executive’s
engaging in any improper conduct that has or is likely to have an adverse economic or reputational impact on the Company; or (g) Executive’s material breach of this Agreement. 

5.03. Termination by Employer Without Cause or by Executive for Good Reason. If Executive is terminated by Employer without Cause or by
Executive for Good Reason: (i) Employer shall pay to Executive the Accrued Obligations, (ii) Executive shall be entitled to receive the Severance Benefits (as defined below in Section 5.05 and subject to the conditions described
therein and in Section 5.06), and (iii) Employer shall have no further obligations to Executive under this Agreement, other than those provided in this Section 5.03. For purposes of this Agreement, “Good Reason” means
the occurrence of any of the following events (without Executive’s consent): 
 (i) a material adverse change in
Executive’s functions, duties, or responsibilities with the Company which change would cause Executive’s position to become one of materially lesser responsibility, importance, or scope; or 

(ii) a material breach of this Agreement by the Company. 

  
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 Notwithstanding the foregoing, no such event shall constitute “Good Reason” unless (a) Executive
shall have given written notice of such event to the Company within ninety (90) days after the initial occurrence thereof, (b) the Company shall have failed to cure the condition constituting Good Reason within thirty (30) days
following the delivery of such notice (or such longer cure period as may be agreed upon by the parties), and (c) Executive terminates employment within thirty (30) days after expiration of such cure period. 

5.04. Termination by Employer due to Executive’s Disability. If Executive’s employment is terminated by reason of Disability
(as defined below): (i) Employer shall pay to Executive the Accrued Obligations, (ii) Executive’s participation in the Benefit Plans shall terminate as of the Termination Date (except to the extent Executive is eligible for continued
disability benefits under the applicable Employer plan), and (iii) Employer shall have no further obligations to Executive under this Agreement, other than those provided in this Section 5.04. For purposes of this Agreement,
“Disability” means Executive being determined to be totally disabled by the Social Security Administration or Executive’s inability to engage in any substantial gainful activity by reason of any medically determinable physical
or mental impairment that can be expected to result in death or can be expected to last for a continuous period of not less than twelve months. 

5.05. Severance Benefits: “Severance Benefits” means: 

(a) The payment to Executive of the Severance Amount in substantially equal installments over one year (with the first payment
commencing on the first payroll date that occurs at least 28 days following the Termination Date), in accordance with Employer’s payroll practices in effect as of the Effective Date (“Severance Period”), provided that in the event
such payroll practices change, in accordance with such new payroll practices, but only if any such change in payroll practices does not result in a payment being accelerated or delayed by more than thirty (30) days. Severance Amount means the
sum of Executive’s Base Salary and Target Bonus in effect immediately prior to the Date of Termination provided that Target Bonus shall be included in the Severance Amount only if the Termination Date occurs upon or within two years after a
Change in Control. 
 (b) The continuation of Executive’s participation in the Company’s medical, dental, and
vision benefit plans at the same premium cost to Executive as charged to Executive immediately prior to the Termination Date for a period of twelve (12) months immediately following the Termination Date, or if earlier, until Executive obtains
other employment which provides the same type of benefit; provided, however, that (a) it is understood and agreed that such continued medical, dental and vision benefits may at the election of the Company be provided
by Executive electing the continuation of such coverage pursuant to COBRA with the Company reimbursing Executive for COBRA premiums to the extent required so that Executive’s premium cost for the coverage in effect for Executive prior to the
Termination Date is substantially the same as immediately prior to the Termination Date, and (b) if the Company determines, in its reasonable judgment, that providing medical, dental, and/or vision benefits in accordance with the preceding
provisions of this Section 5.05(b) would result in a violation of applicable law, the imposition of any penalties under applicable law, or adverse tax consequences for participants covered by the Company’s medical, dental, and/or vision
plans, the Company may terminate such coverage (or reimbursement) with 

  
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respect to Executive and instead pay to Executive taxable cash payments at the same time and in the same amounts as the Company would have paid as premiums (or as COBRA premium reimbursements) to
provide such coverage.
 (c) With respect to each stock option granted by the Company to Executive that is outstanding as of
the Termination Date and is not fully vested as of the date of the Termination Date, Executive shall become vested as of the date Executive provides the Company with the Irrevocable Release provided for in this Section 5.05 within the period
prescribed therein with respect to 50% (100% if the Termination Date occurs upon or within two years after the occurrence of a Change in Control) of the shares with respect to which the stock option is not vested as of the Termination Date.

5.06 Required Delivery of Irrevocable Release; Compliance with Section 6 Obligations. Notwithstanding the
provisions of Section 5.05, as a condition to entitlement to the Severance Benefits, Executive must provide to the Company an Irrevocable Release not later than the sixtieth day after the Date of Termination. In the event Executive fails to
provide an Irrevocable Release to the Company within such sixty day period, the Company will immediately cease to pay or provide any further Severance Benefits, no accelerated vesting of stock options pursuant to Section 5.05(c) shall occur,
and Executive shall be obligated to immediately repay to the Company all previously paid or provided Severance Benefits. “Irrevocable Release” means a confidential separation agreement and release of claims, in form and substance
substantially similar to the attached Exhibit A that has been executed by Executive, delivered to the Company, and become irrevocable by Executive. In addition, in the event that Executive breaches the obligations under Section 6 of this
Agreement at any time during the Severance Period, Executive will cease to be entitled to any further Severance Benefits. 
 6. Promises
and Covenants Regarding Confidential Information and Goodwill; Inventions and Assignment; Restrictive Covenants. 
 6.01.
Confidential Information and Goodwill. In consideration of Executive’s promises and covenants contained in this Agreement, including Executive’s promise and covenant not to disclose Confidential Information, Employer will provide
Executive with Confidential Information. In further consideration of Executive’s promises and covenants contained in this Agreement, including Executive’s promise and covenant to utilize the Goodwill exclusively for the benefit of
Employer, Employer will allow Executive to receive Confidential Information concerning the Company’s customers, labs, vendors and employees and, to the extent required to fulfill Executive’s duties, the Company will permit Executive to
represent the Company on its behalf with such persons. To the extent that Executive’s duties involve sales or customer relations, the Company will permit Executive to utilize the Goodwill in Executive’s sales efforts and will provide sales
support to Executive similar to that which it provides to its sales representatives. 
 6.02. Duties. While employed by Company,
Executive shall perform the duties required of Executive hereunder and shall devote Executive’s best efforts and exclusive business time, energy and skill to performing such duties; not make any disparaging remarks regarding Company to any
person with whom Company has business relations, including any employee or vendor of Company; use the Goodwill solely for the benefit of Company; and not interfere in such Goodwill, either during or following Executive’s employment with
Company. 

  
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 6.03. Delivery of Company Property. Executive recognizes that all documents, magnetic
media and other tangible items which contain Confidential Information are the property of Company exclusively. Upon request by Company or termination of Executive’s employment with Company, Executive shall promptly return to Company all
Confidential Information and Company Property within Executive’s possession and control, and shall refrain from taking any Confidential Information or Company Property or allowing any Confidential Information or Company Property to be taken
from Company; and immediately return to Company all information pertaining to Company or Company Property in Executive’s possession. 

6.04. Promise and Covenant Not to Disclose. The parties acknowledge that Company is the sole and exclusive owner of Confidential
Information, and that Company has legitimate business interests in protecting Confidential Information. The parties further acknowledge that Company has invested, and continues to invest, considerable amounts of time and money in obtaining,
developing, and preserving the confidentiality of Confidential Information and that, by reason of the trust relationship arising between Executive and Company, Executive owes Company a fiduciary duty to preserve and protect Confidential Information
from all unauthorized disclosure and unauthorized use. Executive shall not, directly or indirectly, disclose Confidential Information to any third party (except to Executive’s attorneys, the Company’s personnel, other persons designated in
writing by the Company, or except as otherwise provided by law) or use Confidential Information for any purpose other than for the direct benefit of Company while in Company’s employ and thereafter. 

6.05. Inventions and Assignment. Executive agrees that he will promptly disclose to the Company any and all Company Inventions and that
Executive hereby irrevocably assigns to the Company all ownership rights in and to any and all Company Inventions. During Executive’s employment or at any time thereafter, upon request of the Company, Executive will sign, execute and
deliver any and all documents or instruments, including, without limitation, patent applications, declarations, invention assignments and copyright assignments, and will take any other action which the Company shall deem necessary to perfect in the
Company trademark, copyright or patent rights with respect to Inventions, or to otherwise protect the Company’s trade secrets and proprietary interests. The term “Inventions” means discoveries; developments; trade secrets;
processes; formulas; data; lists; software programs; graphics; artwork; logos, and all other works of authorship, ideas, concepts, know-how, designs, and techniques, whether or not any of the foregoing is or are patentable, copyrightable, or
registrable under any intellectual property laws or industrial property laws in the United States. The term “Company Inventions” means all Inventions that (a) relate to the business or proposed business of the Company or any of
its predecessors or that are discovered, developed, created, conceived, reduced to practice, made, learned or written by Executive, either alone or jointly with others, in the course of Executive’s employment; (b) utilize, incorporate or
otherwise relate to Confidential Information; or (c) are discovered, developed, created, conceived, reduced to practice, made, or written by him using property or equipment of the Company or any of its predecessors. Executive agrees to promptly
and fully communicate in writing to the Company (to such department or officer of the Company and in accordance with such procedures as the Company may direct from time to time) any and all Company Inventions. Executive acknowledges and agrees that
any work of authorship by Executive or others comprising Company Inventions shall be deemed to be a “work made for hire,” as that term is defined in the United States Copyright Act (17 U.S.C. § 101 (2000)). To the extent that any such
work of authorship may not be deemed to be a work 

  
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made for hire, Executive hereby irrevocably assigns any ownership rights Executive may have in and to such work to the Company. This Agreement does not apply to any Inventions Executive made
before Executive’s employment with the Company. To clearly establish Executive’s rights, Executive has listed on Exhibit B any Inventions, whether or not patentable or copyrightable and whether or not reduced to practice, made by him prior
to Executive’s employment with the Company that are owned by Executive (“Prior Inventions”), together with the approximate dates of their creation. If no such list is attached, Executive represents that there are no Prior
Inventions. 
 6.06. Other Promises and Covenants. 

(a) During Executive’s employment with Company and for a period of 18 months following termination of employment for any
reason or the Severance Period (the “Non-Competition Period”), Executive shall not either directly or indirectly, on Executive’s own or another’s behalf, engage in or assist others in any of the following activities (except on
behalf of Company): 
 (i) (whether as principal, agent, partner or otherwise) engage in, own, manage, operate, control,
finance, invest in, participate in, or otherwise carry on, or be employed by, associated with, or in any manner connected with, lend such Executive’s name to, lend Executive’s credit to, or render services or advice to a Competing Business
anywhere in the Geographic Area; 
 (ii) provide or develop any products, technology or services that are the same or
Substantially Similar to the products, technology and services provided or developed by the Company or any of its Affiliates; 

(iii) induce or attempt to induce any customer, agent, supplier, licensee, or business relation of the Company or any of its
Affiliates to cease doing business with the Company or any of its Affiliates, or in any way interfere with the relationship between any customer, supplier, licensee, or business relation of the Company or any of its Affiliates; or 

(iv) on behalf of a Competing Business, solicit or attempt to solicit the business or patronage of any Person who is a
customer or agent of the Company or any of its Affiliates, whether or not Executive had personal contact with such Person. 

(b) During Executive’s employment with Company and for a period of two years following termination of employment for any
reason (the “Non-Solicitation Period”), Executive shall not either directly or indirectly, on Executive’s own or another’s behalf, engage in or assist others in any of the following activities: 

(i) solicit, encourage, or take any other action which is intended to induce any employee, independent contractor or agent of
the Company or any of its Affiliates to terminate Executive’s employment or other business relationship with the Company or such Affiliate; 

  
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 (ii) in any way interfere in any manner with the employment or other business
relationship between the Company and/or any of its Affiliates, on the one hand, and any employee, independent contractor or agent of the Company or such Affiliate, on the other hand; or 

(iii) employ, or otherwise engage as an employee, independent contractor or otherwise, any individual who was an employee,
independent contractor, agent or was otherwise affiliated with the Company or any of its Affiliates from the period beginning one year prior to the date on which Executive became employed and continuing through the expiration of the Non-Solicitation
Period. 
 provided, however, that nothing set forth in this Section 6 shall prohibit Executive from owning, as a passive investment, not
in excess of five percent (5%) in the aggregate of any class of capital stock of any corporation if such stock is publicly traded and listed on any national or regional stock exchange or reported on the Nasdaq Stock Market. 

6.07. Definitions. For purposes hereof: 

(a) “Affiliate” means, with respect to any Entity, any Entity that, directly or indirectly through one or more
intermediaries, controls, is controlled by or under common control with, such Entity. 
 (b) “Agreement”
means this Employment Agreement. 
 (c) “Company Business” means the research, development, testing and/or
marketing/sales of pharmaceutical products or processes that are, rely on, target or rely upon (a) CD3 (when targeted individually), (b) HER2, (c) B7-H3, (d) CD123, (e) gpA33, (f) CD32b and CD79b (when jointly
targeted), (g) any other undisclosed target either being developed by Employer or the subject of a collaboration between Employer and a third party, or (h) any effort to develop diabodies similar to the Company’s “DART”
technology including DART conjugates. 
 (d) “Company Property” means all physical materials, documents,
information, keys, computer software and hardware, including laptop computers and mobile or handheld scheduling computers, manuals, data bases, product samples, tapes, magnetic media, technical notes and any other equipment or items which Company
provides for or to Executive or which otherwise belongs to the Company, and those documents and items which Executive may develop or help develop while in Company’s employ, whether or not developed during regular working hours or on
Company’s premises. The term “Company Property” shall include the original of such materials, any copies thereof, any notes derived from such materials, and any derivative work of such materials. 

(e) “Competing Business” means any other Entity engaged in the Company Business, other than the Company and
its Affiliates. 
 (f) “Confidential Information” means the trade secrets and other information of Company,
including but not limited to (i) the customer lists, customer 

  
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contact information, customer purchase information, pricing information, strategic and marketing plans, compilations of customer information, names of employees, contracts with third parties,
training, financial and marketing books, sales projections, internal employer databases, reports, manuals and information including information related to Company, its Affiliates or its customers, including those documents and items which any
employee may develop or help develop while in the employ of the Company or any of its Affiliates, whether or not developed during regular working hours or on the premises of the Company or such Affiliate; (ii) the identity, skills, personnel
file information, performance appraisals and compensation of job applicants, employees, contractors, and consultants; (iii) specialized training; (iv) source code, scripts, user screens, reports or any other information pertaining to the
internal information technology or network of the Company and/or its Affiliates, including the proprietary database system commonly referred to as the Office System; and (v) information related to inventions owned by the Company or any of its
Affiliates or licensed from third parties; and unless the context requires otherwise, the term “Confidential Information” includes the original of such materials, any copies thereof, any notes derived from such materials, and any
derivative work of such materials. The term “Confidential Information” does not include (1) information that was or becomes generally available publicly other than through disclosure by Executive, or (2) is required to be
disclosed to any governmental agency or self-regulatory body or is otherwise required to be disclosed by law. Unless the context requires otherwise, the term “Confidential Information” shall include the original of such materials,
any copies thereof, any notes derived from such materials, and any derivative work of such materials. 
 (g)
“Entity” means and includes any person, partnership, association, corporation, limited liability company, trust, unincorporated organization or any other business entity or enterprise. 

(h) “Geographic Area” mean those states in which the Company or any of its subsidiaries conducts business or
in which its products are being sold or marketed at the time of the termination of Executive’s employment. 
 (i)
“Goodwill” means the value of the relationships between the Company and its agents, customers, vendors, labs, and employees. 

(j) “Substantially Similar” means substantially similar in function or capability or otherwise competitive to
the products or services being developed, manufactured or sold by the Company during and/or at the end of Executive’s employment, or are marketed to substantially the same type of user or customer as that to which the products and services of
the Company are marketed or proposed to be marketed. 
 6.08. Acknowledgements Regarding Other Promises and Covenants. With regard to
the promises and covenants set forth herein, Executive acknowledges and agrees that: 
 (a) the restrictions are ancillary to
an otherwise enforceable agreement including the provisions of this Agreement regarding the disclosure, ownership and use of the Confidential Information and Goodwill of Company; 

  
 10 

 (b) the limitations as to time, geographical area, and scope of activity to be
restricted are reasonable and acceptable to Executive, and do not impose any greater restraint than is reasonably necessary to protect the Goodwill and other legitimate business interests of Company; 

(c) the performance by Executive, and the enforcement by Company, of such promises and covenants will cause no undue hardship
on Executive; 
 (d) the time periods covered by the promises and covenants will not include any period(s) of violation of,
or any period(s) of time required for litigation brought by Company to enforce any such promise or covenant, it being understood that the extension of time provided in this paragraph may not exceed two (2) years. 

6.09. Duty to Give Notice of Agreement. During employment by Company and the period of any post-employment obligation applicable
hereunder, Executive shall provide written notice to any prospective employer of Executive’s obligations under this Agreement, and shall provide a true copy hereof to such prospective employer at the outset of any communications about
employment. 
 6.10. Independent Elements. The parties acknowledge that the promises and covenants contained in Section 6 above
are essential independent elements of this Agreement and that, but for Executive agreeing to comply with them, Company would not employ Executive. Accordingly, the existence or assertion of any claim by Executive against Company, whether based on
this Agreement or otherwise, shall not operate as a defense to Company’s enforcement of the promises and covenants in Section 6. An alleged or actual breach of the Agreement by Company will not be a defense to enforcement of any such
promise or covenant, or other obligations of Executive to Company. The promises and covenants in Section 6 will remain in full force and effect whether Executive is terminated by Company or voluntarily resigns. 

6.11. Remedies for Breach of Agreement. Executive acknowledges that Executive’s breach of any promise or covenant contained in
Section 6 will result in irreparable injury to Company and that Company’s remedies at law for such a breach will be inadequate. Accordingly, Executive agrees and consents that Company, in addition to all other remedies available at law and
in equity, shall be entitled to both preliminary and permanent injunctions to prevent and/or halt a breach or threatened breach by Executive of any such promise or covenant, and Executive waives the requirement of the posting of any bond in
connection with such injunctive relief. Executive further acknowledges and agrees that the promises and covenants contained in Section 6 are enforceable, reasonable, and valid. 

7. Miscellaneous. 
 7.01.
Governing Law; Arbitration  
 (a) This Agreement is made under and shall be governed by and construed in accordance
with the laws of Maryland, without regard to its conflicts of law principles. 

  
 11 

 (b) With respect to claims by the Company against Executive related to
Executive’s threatened or actual breach of Section 6 of this Agreement, each Party hereby irrevocably agrees that all actions or proceedings concerning such disputes may be brought by the Company in (a) the United States District
Court for the District of Maryland; or (b) in any court of the State of Maryland sitting in Montgomery County, provided that the United States District Court lacks subject matter jurisdiction over such action or proceeding. Executive consents
to jurisdiction of and venue in the courts in the State of Maryland set forth in this Section, and hereby waives to the maximum extent permitted by applicable law any objection which Executive may have based on improper venue or forum non
conveniens. 
 (c) Except to the extent provided for in subsection (b) above, the Company and Executive agree that
any claim, dispute or controversy arising under or in connection with this Agreement, or otherwise in connection with Executive’s employment by the Company or termination of his employment (including, without limitation, any such claim, dispute
or controversy arising under any federal, state or local statute, regulation or ordinance or any of the Company’s employee benefit plans, policies or programs) shall be resolved solely and exclusively by binding, confidential, arbitration. The
arbitration shall be held in Rockville, MD (or at such other location as shall be mutually agreed by the parties). The arbitration shall be conducted in accordance with the Commercial Rules of the American Arbitration Association (the
“AAA”) in effect at the time of the arbitration, including the Expedited Procedures. All fees and expenses of the arbitration, including a transcript if either requests, shall be borne equally by the parties. Each party is
responsible for the fees and expenses of its own attorneys, experts, witnesses, and preparation and presentation of proofs and post-hearing briefs (unless the party prevails on a claim for which attorney’s fees are recoverable under law). In
rendering a decision, the arbitrator shall apply all legal principles and standards that would govern if the dispute were being heard in court. This includes the availability of all remedies that the parties could obtain in court. In addition, all
statutes of limitation and defenses that would be applicable in court, will apply to the arbitration proceeding. The decision of the arbitrator shall be set forth in writing, and be binding and conclusive on all parties. Any action to enforce or
vacate the arbitrator’s award shall be governed by the Federal Arbitration Act, if applicable, and otherwise by applicable state law. If either the Company or Executive improperly pursues any claim, dispute or controversy against the other in a
proceeding other than the arbitration provided for herein, the responding party shall be entitled to dismissal or injunctive relief regarding such action and recovery of all costs, losses and attorney’s fees related to such action. 

7.02. Entire Agreement. This Agreement and the documents referenced herein contain the entire agreement of the parties relating to the
employment of Executive by Employer and the ancillary matters discussed herein and supersedes all prior agreements, negotiations and understandings with respect to such matters, including, without limitation, any term sheet between the parties
hereto with respect to such matters, and the parties hereto have made no agreements, representations or warranties relating to such employment or ancillary matters which are not set forth herein. 

  
 12 

 7.03. Withholding Taxes. Employer may withhold from any compensation and Benefits payable
under this Agreement all federal, state, city or other taxes as shall be required pursuant to any law or governmental regulation or ruling. 

7.04. Golden Parachute Limit. Notwithstanding any other provision of this Agreement, in the event that any portion of the
Severance Benefits or any other payment or benefit received or to be received by Executive (whether pursuant to the terms of this Agreement or any other plan, arrangement or agreement) (collectively, the “Total Benefits”) would be
subject to the excise tax imposed under Section 4999 of the Internal Revenue Code of 1986, as amended (the “Code”) (the “Excise Tax”), the Total Benefits shall be reduced to the extent necessary so that no portion of
the Total Benefits is subject to the Excise Tax; provided, however, that no such reduction in the Total Benefits shall be made if by not making such reduction, Executive’s Retained Amount (as hereinafter defined) would be more than ten percent
(10%) greater than Executive’s Retained Amount if the Total Benefits are so reduced. All determinations required to be made under this Section 7.04 shall be made by tax counsel selected by the Company and reasonably acceptable to
Executive (“Tax Counsel”), which determinations shall be conclusive and binding on Executive and the Company absent manifest error. All fees and expenses of Tax Counsel shall be borne solely by the Company. Prior to any
reduction in Executive’s Total Benefits pursuant to this Section 7.04, Tax Counsel shall provide Executive and the Company with a report setting forth its calculations and containing related supporting information. In the event any
such reduction is required, the Total Benefits shall be reduced in the following order: (i) the Severance Amount (in reverse order of payment), (iii) any portion of the Total Benefits that are not subject to Section 409A of the Code
(other than Total Benefits resulting from any accelerated vesting of equity awards), (iv) other Total Benefits that are subject to Section 409A of the Code in reverse order of payment, and (v) Total Benefits that are not subject to
Section 409A and arise from any accelerated vesting of any equity awards. “Retained Amount” shall mean the present value (as determined in accordance with sections 280G(b)(2)(A)(ii) and 280G(d)(4) of the Code) of the Total
Benefits net of all federal, state and local taxes imposed on Executive with respect thereto. 
 7.05. Compliance With
Section 409A. This Agreement is intended to comply with the requirements of Section 409A of the Code (including the exceptions thereto), to the extent applicable, and shall be interpreted and administered accordingly. If any
provision contained in this Agreement conflicts with the requirements of Section 409A of the Code (or the exemptions intended to apply under this Agreement), this Agreement shall be deemed to be reformed to comply with the requirements of
Section 409A of the Code (or applicable exemptions thereto). Notwithstanding anything to the contrary herein, for purposes of determining Executive’s entitlement to the Severance Benefits under Section 5 hereof,
(a) Executive’s employment shall not be deemed to have terminated unless and until Executive incurs a “separation from service” as defined in Section 409A of the Code, and (b) the effective date of any termination or
resignation of employment (or any similar term) shall be the effective date of Executive’s separation from service. Reimbursement of any expenses provided for in this Agreement shall be made in accordance with the Company’s policies
(as applicable) with respect thereto as in effect from time to time (but in no event later than the end of calendar year following the year such expenses were incurred) and in no event shall (i) the amount of expenses eligible for reimbursement
hereunder during a taxable year affect the expenses eligible for reimbursement in any other taxable year or (ii) the right to reimbursement be subject to liquidation or exchange for another benefit. Notwithstanding anything to the contrary
herein, if a 

  
 13 

 
payment or benefit under this Agreement is due to a “separation from service” for purposes of the rules under Treas. Reg. § 1.409A-3(i)(2) (payments to specified employees upon a
separation from service) and Executive is determined to be a “specified employee” (as determined under Treas. Reg. § 1.409A-1(i)), such payment shall, to the extent necessary to comply with the requirements of Section 409A of the
Code, be made on the later of (x) the date specified by the foregoing provisions of this Agreement or (y) the date that is six (6) months after the date of Executive’s separation from service (or, if earlier, the date of
Executive’s death). Any installment payments that are delayed pursuant to the provisions of this section shall be accumulated and paid in a lump sum on the first day of the seventh month following Executive’s separation from service
(or, if earlier, upon Executive’s death) and the remaining installment payments shall begin on such date in accordance with the schedule provided in this Agreement. To the extent permitted by Section 409A, each payment hereunder shall
be deemed to be a separate payment for purposes of Section 409A of the Code. 
 7.06. Amendments. No amendment or modification
of the terms of this Agreement shall be valid unless made in writing and signed by both Executive and Employer. 
 7.07. Severability;
Reformation. Whenever possible, each provision of this Agreement shall be interpreted in such a manner as to be effective and valid under applicable Law but if any provision of this Agreement is held to be invalid, illegal or unenforceable under
any applicable Law or rule, the validity, legality and enforceability of the other provisions of this Agreement will not be affected or impaired thereby. If any provision of this Agreement is found invalid, illegal or unenforceable because it is too
broad in scope, too lengthy in duration or violates any Law or regulation, it shall be reformed by limiting its scope, limiting its duration or construing it to avoid such violation (as the case may be) while giving the greatest effect to the intent
of the parties as is legally permissible. 
 7.08. No Waiver. No waiver of any provision of this Agreement shall in any event be
effective unless the same shall be in writing and signed by the party against whom such waiver is sought to be enforced, and any such waiver shall be effective only in the specific instance and for the specific purpose for which given. 

7.09. Assignment; No Third Party Beneficiary. This Agreement is a personal service contract, and shall not be assignable by Executive.
This Agreement shall be assignable by Employer to any successor to the business of Employer, without the written consent of Executive; provided, however, that the assignee or transferee is the successor to all or substantially all of the business
assets of Employer and such assignee or transferee expressly assumes all the obligations, duties, and liabilities of Employer set forth in this Agreement. Any purported assignment of this Agreement in violation of this Section 7.09 shall be
null and void. This Agreement shall be binding upon and inure to the benefit of the parties hereto and their respective successors and permitted assigns, and no other Person shall have any right, benefit or obligation hereunder. 

7.10. Counterparts; Facsimile Signatures. This Agreement may be executed in separate counterparts, each of which will be an original
and all of which taken together shall constitute one and the same agreement, and any party hereto may execute this Agreement by signing any such counterpart. A facsimile signature by any party on a counterpart of this Agreement shall be binding and
effective for all purposes. Such party shall subsequently deliver to the other party an original, executed copy of this Agreement; provided, however, that a failure of such party to deliver an original, executed copy shall not invalidate
Executive’s or its signature. 

  
 14 

 7.11. Notices. All notices and other communications relating to this Agreement will be in
writing and will be deemed to have been given when personally delivered, three (3) days following mailing by certified or registered mail, return receipt requested, and one (1) Business Day following delivery to a reliable overnight
courier or immediately following transmission by electronic facsimile. All notices to Employer shall be addressed and delivered to: 

MacroGenics, Inc. 
 9640 Medical
Center Drive 
 Rockville, MD 20850 

With a copy to: 
 Matthew D.
Keiser 
 Arnold & Porter, LLP 

555 Twelfth Street, NW 

Washington, DC 2004 

(telephone) 202-942-6398 
 (fax)
202-942-5999 
 or to such other address and facsimile number as designated by Employer in a written notice to Executive. All notices to Executive shall be
addressed and delivered to: 
 James Karrels 

MacroGenics, Inc. 
 9640 Medical
Center Drive 
 Rockville, MD 20850 
 or to
such other address and facsimile number as Executive has designated in a written notice to Employer. 
 7.12. Interpretation. The
headings contained in this Agreement are for reference purposes only and shall not in any way affect the meaning or interpretation of this Agreement. 

7.13. Cumulative Remedies. The rights and remedies of the parties hereunder are cumulative and not exclusive of any rights or remedies
any party hereto may otherwise have. 
 7.14. Expenses Relating to this Agreement. Each party shall pay its or Executive’s own
expenses incident to the negotiation, preparation and execution of this Agreement. 

  
 15 

 IN WITNESS WHEREOF, Executive and Employer have executed this Employment Agreement as of the date
set forth in the first paragraph. 
  

							
	 “EMPLOYER”
 MacroGenics,
Inc.

				
	By:	 	  
	 	Date:	 	  

	Name:	 	 Edward Hurwitz

	Title:	 	 Chairman of the Compensation Committee

	
	“EXECUTIVE”
			
	  
	 	Date:	 	  

	James Karrels	 		 	

  
 16 

 EXHIBIT A 

CONFIDENTIAL SEPARATION AGREEMENT AND GENERAL RELEASE 

Pursuant to the Employment Agreement by and between             
(“Executive”) and MacroGenics, Inc. (the “Company”), in order for Executive to receive the Severance Amount therein, Executive is required to enter into this Separation Agreement and General Release (this “Release”).

 NOW, THEREFORE, in consideration of the foregoing, of the mutual promises herein contained, of other good and valuable consideration, the
sufficiency and receipt of which are hereby acknowledged by the Parties, it is agreed as follows: 
 1. As of the Termination Date, and at
all times forward, Executive will not hold himself out to any person or entity as being an employee, officer, representative, or agent of the Company. 

2. In exchange for the considerations provided for in this Agreement including the receipt of the Severance Amount, Executive hereby
completely, irrevocably, and unconditionally releases and forever discharges the Company, and any of its affiliated companies, and each and all of their officers, agents, directors, supervisors, employees, representatives, and their successors and
assigns, and all persons acting by, through, under, for, or in concert with them, or any of them, in any and all of their capacities (hereinafter individually or collectively, the “Released Parties”), from any and all charges, complaints,
claims, and liabilities of any kind or nature whatsoever, known or unknown, suspected or unsuspected (hereinafter referred to as “claim” or “claims”) which Executive at any time heretofore had or claimed to have or which
Executive may have or claim to have regarding events that have occurred as of the Effective Date of this Agreement, including, without limitation, those based on: any employee welfare benefit or pension plan governed by the Employee Retirement
Income Security Act as amended (hereinafter “ERISA”) (provided that this release does not extend to any vested retirement benefits of Executive under Company’s 401(k) Safe Harbor Plan); the Civil Rights Act of 1964, as amended (race,
color, religion, sex and national origin discrimination and harassment); the Civil Rights Act of 1966 (42 U.S.C. § 1981) (discrimination); the Age Discrimination in Employment Act of 1967 (hereinafter “ADEA”), as amended; the
Older Workers Benefit Protection Act, as amended; the Americans With Disabilities Act (hereinafter “ADA”), as amended; § 503 of the Rehabilitation Act of 1973; the Fair Labor Standards Act, as amended (wage and hour matters); the
Family and Medical Leave Act, as amended, (family leave matters), Article 49B of the Maryland Code (discrimination), any other federal, state, or local laws or regulations regarding employment discrimination or harassment, wages, insurance, leave,
privacy or any other matter; any negligent or intentional tort; any contract, policy or practice (implied, oral, or written); or any other theory of recovery under federal, state, or local law, and whether for compensatory or punitive damages, or
other equitable relief, including, but not limited to, any and all claims which Executive may now have or may have had, arising from or in any way whatsoever connected with Executive’s employment or contacts, with Company or any other of the
Released Parties. 
 Executive acknowledges, understands and agrees that Executive has been paid in full for all hours that Executive has
worked for the Company and that Executive has been paid any and all compensation or bonuses which have been earned by Executive through the date of execution 

 
of this Agreement. Executive acknowledges, understands and agrees that Executive has not been denied any leave requested under the FMLA or applicable state leave laws and that, to the extent
applicable, Executive has been returned to Executive’s job, or an equivalent position, following any FMLA or state leave taken pursuant to the FMLA or state laws. Executive acknowledges, understands and agrees that Executive has reported to the
Employer’s management personnel any work related injury or illness that occurred up to and including Executive’s last day of employment. Executive acknowledges, understands, and agrees that Executive has no knowledge of any actions or
inactions by any of the Released Parties or by Executive that Executive believes could possibly constitute a basis for a claimed violation of any federal, state, or local law, any common law or any rule promulgated by an administrative body. 

3. To the extent permitted by law, Executive agrees that he will not cause or encourage any future legal proceedings to be maintained or
instituted against any of the Released Parties. To the extent permitted by law, Executive agrees that he will not accept any remedy or recovery arising from any charge filed or proceedings or investigation conducted by the EEOC or by any state or
local human rights or employment rights enforcement agency relating to any of the matters released in this Agreement. 
 4. Older Workers
Benefit Protection Act /ADEA Waiver 
 4.01. Executive acknowledges that Company has advised him in writing to consult with an attorney of
his choice before signing this Agreement, and Executive has been given the opportunity to consult with an attorney of his choice before signing this Agreement. 

4.02. Executive acknowledges that he has been given the opportunity to review and consider this Agreement for a full twenty-one days before
signing it, and that, if he has signed this Agreement in less than that time, he has done so voluntarily in order to obtain sooner the benefits of this Agreement. 

4.03. Executive further acknowledges that he may revoke this Agreement within seven (7) days after signing it, provided that this
Agreement will not become effective until such seven (7) day period has expired. To be effective, any such revocation must be in writing and delivered to Company’s principal place of business by the close of business on the seventh
(7th) day after signing the Agreement and must expressly state Executive’s intention to revoke this Agreement. Provided that Executive does not timely revoke this Agreement, the eighth (8th) day following Executive’s execution
hereof shall be deemed the “Effective Date” of this Agreement. 
 4.04. The Parties also agree that the release provided by
Executive in this Agreement does not include a release for claims under the ADEA arising after the date Executive signs this Agreement. 

5. Executive shall promptly turn over to the Company any and all documents, files, computer records, or other materials belonging to, or
containing confidential or proprietary information obtained from, the Company that are in Executive’s possession, custody, or control, including any such materials that may be at Executive’s home. 

6. Executive acknowledges that, during the course of Executive’s employment with Company, Executive has acquired or been exposed to the
Company’s confidential information 

  
 2 

 
and trade secrets, including, but not limited to, business plans, marketing plans, financial data, proprietary technology, and customer and client lists and asset information (“Confidential
Information”). Executive agrees hereafter to maintain the confidentiality of the Confidential Information, to refrain from disclosing any Confidential Information to anyone, to refrain from using the Confidential Information on his own behalf
or on behalf of anyone other than the Company, and to comply with any confidentiality or non-disclosure agreement Executive has executed. 

7. The Parties agree that they will keep absolutely confidential, and not make any future disclosures to anyone except that the Parties may
disclose this Agreement: 
 7.01. to enforce this Agreement; and/or 

7.02. to an attorney; and/or 

7.03. tax advisor or attorney in connection with a tax matter; and/or 

7.04. to the United States Internal Revenue Service, or state or local tax authority upon its request for tax purposes; and/or 

7.05. as required by court order or otherwise required by law or in response to valid legal process; provided that the Parties may make
disclosure to attorneys, accountants, tax advisors, and family members only if such persons agree to keep the information confidential; and provided further that before providing information pursuant to a court order or other legal requirement, the
Party providing such information shall promptly notify the other Party, and to the extent possible will comply with the court order or other legal requirement in ways that preserve confidentiality. 

8. Executive agrees that Executive will not publicly make or publish any adverse, disparaging, untrue, or misleading statement or comment
about the Company or any of its officers, directors, employees, or agents. The Company agrees to instruct its directors, officers, and senior management not to publicly make or publish any adverse, disparaging, untrue, or misleading statement or
comment about Executive. 
 9. Executive agrees to answer questions that the Company may have from time to time regarding matters that
Executive worked on and to cooperate with the Company, upon request, to assist in the investigation, prosecution or defense of any claim, grievance, investigation, or audit by or against the Company. The Company agrees to reimburse Executive for any
reasonable and necessary out-of-pocket expenses he incurs as a result of such cooperation. 
 10. This Agreement shall not in any way be
construed as an admission by the Company of any acts of unlawful conduct, wrongdoing or discrimination against Executive, and the Company specifically disclaims any liability to Executive on the part of itself, its employees, or its agents. This
Agreement shall not in any way be construed as an admission by Executive of any acts of unlawful conduct, wrongdoing or discrimination against the Company, and Executive specifically disclaims any liability to Company on the part of himself or his
agents. 

  
 3 

 11. This Agreement shall be binding upon Executive and upon Executive’s heirs,
administrators, representatives, executors, successors, and assigns, and shall inure to the benefit of the Company, and its representatives, executors, successors, and assigns. This Agreement shall be binding upon the Company and upon the
Company’s assigns and shall inure to the benefit of Executive and his heirs, administrators, representatives, executors, successors, and assigns. 

12. This Agreement and its Exhibits sets forth the entire agreement between the Company and Executive and, except as expressly provided for in
this Agreement, fully supersedes any and all prior agreements or understandings between the Company and Executive pertaining to the subject matter hereof, except that Executive’s obligations in Section 6 of the Employment Agreement between
Executive and the Company shall remain in full force and effect. In reaching this Agreement, neither the Company nor Executive has relied upon any representation or promise except those set forth herein. If any provision, or portion of a provision,
of this Agreement is held to be invalid or unenforceable for any reason, the remainder of the Agreement shall remain in full force and effect, as if such provision, or portion of such provision, had never been contained herein. The unenforceability
or invalidity of a provision of the Agreement in one jurisdiction shall not invalidate or render that provision unenforceable in any other jurisdiction. 

13. This Agreement cannot be amended, modified, or supplemented in any respect except by written agreement entered into and signed by the
Parties. 
 14. This Agreement shall be governed by the laws of the State of Maryland without giving effect to conflict of laws principles,
and Executive consents to exclusive personal jurisdiction in the state and federal courts of the State of Maryland for any proceeding arising out of or relating to this Agreement. The language of all parts of the Agreement shall in all cases be
construed as a whole, according to its fair meaning, and not strictly for or against any of the Parties. 
 15. Executive acknowledges that
he has read each and every section of this Agreement and that he understands his rights and obligations under this Agreement. Executive acknowledges that the Company has advised him in writing to consult with an attorney of his choice before signing
this Agreement, and that Executive has been given the opportunity to consult with an attorney of his choice before signing this Agreement. 

16. This Agreement may be signed in counterparts, each of which shall be considered an original for all purposes, and all of which taken
together shall constitute one and the same written agreement. 
 IN WITNESS WHEREOF, the Company, has caused this Agreement to be executed
by its duly authorized officer, and Executive has executed this Agreement, on the date(s) set forth below. 
  

	
	Executive
	
	  

	                    /Date

  
 4 

			
	MacroGenics, Inc.
		
	By:	 	  

	Name:	 	/Date
	Title:	 	

  
 5 

 EXHIBIT B 

LIST OF PRIOR INVENTIONS 
  

					
	 Title
	  	 Date
	  	 Brief Description

	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 

  

	
	                     No Inventions. [initial if none]
	                     Additional sheets attached. [initial if additional sheets, and state how many]

  

			
	Date:	 	  

  

	
	  

	Signature
	
	  

	Name

  
 6

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