Executive Retention Agreement  between Registrant and Waleed H. Hassanein



 Exhibit 10.19 
 TRANSMEDICS, INC. 
 Executive Retention Agreement 
 THIS EXECUTIVE RETENTION AGREEMENT by and between TransMedics, Inc., a Delaware corporation (the “Company”), and Waleed H. Hassanein, M.D. (the
“Executive”) is made as of November 15, 2007 (the “Effective Date”). 
 WHEREAS, the Board of Directors of the Company
(the “Board”) has determined that appropriate steps should be taken to reinforce and encourage the continued employment and dedication of the Company’s key personnel. 
 NOW, THEREFORE, as an inducement for and in consideration of the Executive remaining in its employ, the Company agrees that the Executive shall receive
the severance benefits set forth in this Agreement in the event the Executive’s employment with the Company is terminated under the circumstances described below. 
 1. Key Definitions. 
 As used herein, the following terms shall have the following respective
meanings: 
 1.1 “Change in Control” means an event or occurrence set forth in any one or more of subsections
(a) through (d) below (including an event or occurrence that constitutes a Change in Control under one of such subsections but is specifically exempted from another such subsection) that is (i) a change in the ownership of the Company
(as defined in Treasury Regulation Section 1.409A-3(i)(5)(v)), (ii) a change in effective control of the Company (as defined in Treasury Regulation Section 1.409A-3(i)(5)(vi)), or (iii) a change in the ownership of a substantial
portion of the assets of the Company (as defined in Treasury Regulation Section 1.409A-3(i)(5)(vii)): 
 (a) the acquisition by an
individual, entity or group (within the meaning of Section 13(d)(3) or 14(d)(2) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) (a “Person”) of beneficial ownership of any capital stock of the
Company if, after such acquisition, such Person beneficially owns (within the meaning of Rule 13d-3 promulgated under the Exchange Act) 50% or more of either (x) the then outstanding shares of common stock of the Company (the “Outstanding
Company Common Stock”) or (y) the combined voting power of the then outstanding securities of the Company entitled to vote generally in the election of directors (the “Outstanding Company Voting Securities”); provided,
however, that for purposes of this subsection (a), the following acquisitions shall not constitute a Change in Control: (i) any acquisition directly from the Company (excluding an acquisition pursuant to the exercise, conversion or
exchange of any security exercisable for, convertible into or exchangeable for common stock or voting securities of the Company, unless the Person exercising, converting or exchanging such security acquired such security directly from the Company or
an underwriter or agent of the Company), or (ii) any acquisition by any corporation pursuant to a transaction which complies with clauses (i) and (ii) of subsection (c) of this Section 1.1; or 







 (b) such time as the Continuing Directors (as defined below) do not constitute a majority of the Board
(or, if applicable, the Board of Directors of a successor corporation to the Company), where the term “Continuing Director” means at any date a member of the Board (i) who was a member of the Board on the date of the execution of this
Agreement or (ii) who was nominated or elected subsequent to such date by at least a majority of the directors who were Continuing Directors at the time of such nomination or election or whose election to the Board was recommended or endorsed
by at least a majority of the directors who were Continuing Directors at the time of such nomination or election; provided, however, that there shall be excluded from this clause (ii) any individual whose initial assumption of
office occurred as a result of an actual or threatened election contest with respect to the election or removal of directors or other actual or threatened solicitation of proxies or consents, by or on behalf of a person other than the Board; or

 (c) the consummation of a merger, consolidation, reorganization, recapitalization or statutory share exchange involving the Company or a
sale or other disposition of all or substantially all of the assets of the Company in one or a series of transactions (a “Business Combination”), unless, immediately following such Business Combination, each of the following two conditions
is satisfied: (i) all or substantially all of the individuals and entities who were the beneficial owners of the Outstanding Company Common Stock and Outstanding Company Voting Securities immediately prior to such Business Combination
beneficially own, directly or indirectly, more than 50% of the then outstanding shares of common stock and the combined voting power of the then outstanding securities entitled to vote generally in the election of directors, respectively, of the
resulting or acquiring corporation in such Business Combination (which shall include, without limitation, a corporation which as a result of such transaction owns the Company or substantially all of the Company’s assets either directly or
through one or more subsidiaries) (such resulting or acquiring corporation is referred to herein as the “Acquiring Corporation”) in substantially the same proportions as their ownership, immediately prior to such Business Combination, of
the Outstanding Company Common Stock and Outstanding Company Voting Securities, respectively; and (ii) no Person (excluding any employee benefit plan (or related trust) maintained or sponsored by the Company or by the Acquiring Corporation)
beneficially owns, directly or indirectly, 50% or more of the then outstanding shares of common stock of the Acquiring Corporation, or of the combined voting power of the then outstanding securities of such corporation entitled to vote generally in
the election of directors (except to the extent that such ownership existed prior to the Business Combination); or 
 (d) the liquidation or
dissolution of the Company. 
 1.2 “Change in Control Date” means the first date during the Term (as defined in
Section 2) on which a Change in Control occurs. Anything in this Agreement to the contrary notwithstanding, if (a) a Change in Control occurs, (b) the Executive’s employment with the Company is terminated prior to the date on
which the Change in Control occurs, and (c) it is reasonably demonstrated by the Executive that such termination of employment (i) was at the request of a third party who has taken steps reasonably calculated to effect a Change in Control
or (ii) otherwise arose in connection with or in anticipation of a Change in Control, then for all purposes of this Agreement the “Change in Control Date” shall mean the date immediately prior to the date of such termination of
employment. 
  

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 1.3 “Cause” means willful misconduct by the Executive or willful failure by the
Executive to perform his responsibilities to the Company (including, without limitation, breach by the Executive of any provision of any employment, consulting, advisory, nondisclosure, non-competition or other similar agreement between the
Executive and the Company), as determined by the Company, which determination shall be conclusive; provided, however, that, following the Change in Control Date, Cause means (a) willful failure by the Executive, which failure is
not cured within 30 days of written notice to the Executive from the Company, to perform his material responsibilities to the Company or (b) willful misconduct by the Executive which affects the business reputation of the Company. 

1.4 “Date of Termination” means the effective date of an employment termination. 
 1.5 “Good Reason” means the occurrence, without the Executive’s written consent, of any of the events or circumstances set forth in
clauses (a) through (g) below. Notwithstanding the occurrence of any such event or circumstance, such occurrence shall not be deemed to constitute Good Reason if, prior to the Date of Termination specified in the notice of termination of
employment given by the Executive in respect thereof, such event or circumstance has been fully corrected and the Executive has been reasonably compensated for any losses or damages resulting therefrom (provided that such right of correction by the
Company shall only apply to the first notice of termination for Good Reason given by the Executive). 
 (a) the assignment to the Executive
of duties inconsistent in any material respect with the Executive’s position (including status, offices, titles and reporting requirements), authority or responsibilities in effect immediately prior to the earliest to occur of (i) the
Change in Control Date, (ii) the date of the execution by the Company of the initial written agreement or instrument providing for the Change in Control or (iii) the date of the adoption by the Board of Directors of a resolution providing
for the Change in Control (with the earliest to occur of such dates referred to herein as the “Measurement Date”), or any other action or omission by the Company which results in a material diminution in such position, authority or
responsibilities; 
 (b) a reduction in the Executive’s annual base salary as in effect on the Measurement Date or as the same was or
may be increased thereafter from time to time; 
 (c) the failure by the Company to (i) continue in effect any material compensation or
benefit plan or program (including without limitation any life insurance, medical, health and accident or disability plan and any vacation or automobile program or policy) (a “Benefit Plan”) in which the Executive participates or which is
applicable to the Executive immediately prior to the Measurement Date, unless an equitable arrangement (embodied in an ongoing substitute or alternative plan) has been made with respect to such plan or program, (ii) continue the
Executive’s participation therein (or in such substitute or alternative plan) on a basis not materially less favorable, both in terms of the amount of benefits provided and the level of the Executive’s participation relative to other
participants, than the basis existing immediately prior to the Measurement Date or (iii) award cash bonuses to the Executive in amounts and in a manner substantially consistent with past practice in light of the Company’s financial
performance; 
  

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 (d) a change by the Company in the location at which the Executive performs his principal duties for the
Company to a new location that is both (i) outside a radius of 50 miles from the Executive’s principal residence immediately prior to the Measurement Date and (ii) more than 50 miles from the location at which the Executive performed
his principal duties for the Company immediately prior to the Measurement Date; or a requirement by the Company that the Executive travel on Company business to a substantially greater extent than required immediately prior to the Measurement Date;

 (e) the failure of the Company to obtain the agreement from any successor to the Company to assume and agree to perform this Agreement,
as required by Section 6.1; or 
 (f) any failure of the Company to pay or provide to the Executive any portion of the Executive’s
compensation or benefits due under any Benefit Plan within seven days of the date such compensation or benefits are due, or any material breach by the Company of this Agreement or any employment agreement with the Executive. 
 The Executive’s right to terminate his employment for Good Reason shall not be affected by his incapacity due to physical or mental illness.

 1.6 “Disability” means the Executive’s absence from the full-time performance of the Executive’s duties with
the Company for 180 consecutive calendar days as a result of incapacity due to mental or physical illness which is determined to be total and permanent by a physician selected by the Company or its insurers and acceptable to the Executive or the
Executive’s legal representative. 
 2. Term of Agreement. This Agreement, and all rights and obligations of the parties
hereunder, shall take effect upon the Effective Date and shall expire upon the first to occur of (a) if neither a termination of the Executive’s employment with the Company described in Section 4.1(a) below nor a Change in Control has
occurred during the Term (as defined below), the expiration of the Term, (b) if a termination of the Executive’s employment with the Company described in Section 4.1(a) below occurs during the Term or within twenty-four
(24) months following a Change in Control, the fulfillment by the Company of all of its obligations under Sections 4 and 5.2 and 5.3 or (c) if a Change in Control occurs prior to expiration of the Term (as defined below), the later of
(i) the date twenty-four (24) months after the Change in Control Date and (ii) if the Executive’s employment with the Company terminates within twenty-four (24) months following the Change in Control Date, the fulfillment by
the Company of all of its obligations under Sections 4 and 5.2 and 5.3. “Term” shall mean the period commencing as of the Effective Date and continuing in effect through December 31, 2010; provided, however, that
commencing on January 1, 2009 and each January 1 thereafter, the Term shall be automatically extended for one additional year unless, not later than 90 days prior to the scheduled expiration of the Term (or any extension thereof),
the Company shall have given the Executive written notice that the Term will not be extended. 
  

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 3. Employment Status; Termination of Employment. 
 3.1 Not an Employment Contract. The Executive acknowledges that this Agreement does not constitute a contract of employment or impose on the
Company any obligation to retain the Executive as an employee and that this Agreement does not prevent the Executive from terminating employment at any time. If the Executive’s employment with the Company terminates for any reason and
subsequently a Change in Control shall occur, the Executive shall not be entitled to any benefits hereunder except as otherwise provided pursuant to Section 1.2. 
 3.2 Termination of Employment. 
 (a) If the Change in Control Date occurs during the Term, any
termination of the Executive’s employment by the Company or by the Executive within twenty-four (24) months following the Change in Control Date (other than due to the death of the Executive) shall be communicated by a written notice to
the other party hereto (the “Notice of Termination”), given in accordance with Section 7. Following the Change in Control Date, any Notice of Termination shall: (i) indicate the specific termination provision (if any) of this
Agreement relied upon by the party giving such notice, (ii) to the extent applicable, set forth in reasonable detail the facts and circumstances claimed to provide a basis for termination of the Executive’s employment under the provision
so indicated and (iii) specify the Date of Termination (as defined below). Following the Change in Control Date, the Date of Termination shall be the close of business on the date specified in the Notice of Termination (which date may not be
less than 15 days or more than 120 days after the date of delivery of such Notice of Termination), in the case of a termination other than one due to the Executive’s death, or the date of the Executive’s death, as the case may be. In the
event the Company fails to satisfy the requirements of Section 3.2(a) regarding a Notice of Termination, following the Change in Control Date, the purported termination of the Executive’s employment pursuant to such Notice of Termination
shall not be effective for purposes of this Agreement. 
 (b) The failure by the Executive or the Company to set forth in the notice of
termination of employment any fact or circumstance which contributes to a showing of Good Reason or Cause shall not waive any right of the Executive or the Company, respectively, hereunder or preclude the Executive or the Company, respectively, from
asserting any such fact or circumstance in enforcing the Executive’s or the Company’s rights hereunder. 
 (c) Following the
Change in Control Date, any Notice of Termination for Cause given by the Company must be given within 90 days of the occurrence of the event(s) or circumstance(s) which constitute(s) Cause. Prior to any Notice of Termination for Cause being given
(and prior to any termination for Cause being effective) after the Change in Control Date, the Executive shall be entitled to a hearing before the Board at which he may, at his election, be represented by counsel and at which he shall have a
reasonable opportunity to be heard. Such hearing shall be held on not less than 15 days prior written notice to the Executive stating the Board of Directors’ intention to terminate the Executive for Cause and stating in detail the particular
event(s) or circumstance(s) which the Board of Directors believes constitutes Cause for termination. 
  

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 (d) Following the Change in Control Date, any notice of termination of employment for Good Reason given
by the Executive must be given within 90 days of the occurrence of the event(s) or circumstance(s) which constitute(s) Good Reason. 
 4.
Benefits to Executive. 
 4.1 Termination of Employment prior to Change of Control without Cause or for Good Reason. If, during
the Term and prior to the occurrence of the Change in Control Date, the Executive’s employment with the Company is terminated by the Company (other than for Cause, Disability or death) or by the Executive for Good Reason, then the Executive
shall be entitled to the following benefits: 
 (a) the Company shall pay to the Executive in a lump sum in cash within 10 days after the
Date of Termination the sum of (i) the Executive’s base salary through the Date of Termination, (ii) the product of (A) the annual bonus paid or payable (including any bonus or portion thereof which has been earned but deferred)
to the Executive for the most recently completed fiscal year and (B) a fraction, the numerator of which is the number of days in the current fiscal year through the Date of Termination, and the denominator of which is 365 and (iii) the
amount of any compensation previously deferred by the Executive (together with any accrued interest or earnings thereon) and any accrued vacation pay, in each case to the extent not previously paid (the sum of the amounts described in clauses (i),
(ii) and (iii) shall be hereinafter referred to as the “Accrued Obligations”); and; 
 (b) the Company shall pay to the
Executive, in twelve (12) monthly installments after the Date of Termination, the amount equal to the sum of (i) the Executive’s highest annual base salary during the three-year period prior to the Date of Termination and
(ii) the Executive’s highest annual bonus during the three-year period prior to the Date of Termination. 
 (c) for twelve
(12) months after the Date of Termination, or such longer period as may be provided by the terms of the appropriate plan, program, practice or policy, the Company shall continue to provide benefits to the Executive and the Executive’s
family at least equal to those which would have been provided to them if the Executive’s employment had not been terminated, in accordance with the applicable Benefit Plans in effect on the Measurement Date or, if more favorable to the
Executive and his family, in effect generally at any time thereafter with respect to other peer executives of the Company and its affiliated companies; provided, however, that if the Executive becomes reemployed with another employer and is
eligible to receive a particular type of benefits (e.g., health insurance benefits) from such employer on terms at least as favorable to the Executive and his family as those being provided by the Company, then the Company shall no longer be
required to provide those particular benefits to the Executive and his family; 
 (d) to the extent not previously paid or provided, the
Company shall timely pay or provide to the Executive any other amounts or benefits required to be paid or provided or which the Executive is eligible to receive following the Executive’s termination of employment under any plan, program,
policy, practice, contract or agreement of the Company and its affiliated companies (such other amounts and benefits shall be hereinafter referred to as the “Other Benefits”); and 
  

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 (e) for purposes of determining eligibility (but not the time of commencement of benefits) of the
Executive for retiree benefits to which the Executive is entitled, the Executive shall be considered to have remained employed by the Company until twelve (12) months after the Date of Termination. 
 4.2 Termination of Employment following Change of Control without Cause or for Good Reason. If the Executive’s employment with the Company is
terminated by the Company (other than for Cause, Disability or death) or by the Executive for Good Reason during the Term and within twenty-four (24) months following the Change in Control Date, then the Executive shall be entitled to the
following benefits: 
 (a) the Company shall pay to the Executive in a lump sum in cash within 10 days after the Date of Termination the
aggregate of the following amounts: 
 (i) the Accrued Obligations; and 
 (ii) the amount equal to 1.5 multiplied by the sum of (A) the Executive’s highest annual base salary during the three-year period prior
to the Date of Termination and (B) the Executive’s highest annual bonus during the three-year period prior to the Date of Termination. 
 (b) for eighteen (18) months after the Date of Termination, or such longer period as may be provided by the terms of the appropriate plan, program, practice or policy, the Company shall continue to provide benefits to the Executive and
the Executive’s family at least equal to those which would have been provided to them if the Executive’s employment had not been terminated, in accordance with the applicable Benefit Plans in effect on the Measurement Date or, if more
favorable to the Executive and his family, in effect generally at any time thereafter with respect to other peer executives of the Company and its affiliated companies; provided, however, that if the Executive becomes reemployed with another
employer and is eligible to receive a particular type of benefits (e.g., health insurance benefits) from such employer on terms at least as favorable to the Executive and his family as those being provided by the Company, then the Company shall no
longer be required to provide those particular benefits to the Executive and his family; 
 (c) (i) each outstanding option to purchase
shares of Common Stock of the Company held by the Executive shall become immediately exercisable in full and shares of Common Stock of the Company received upon exercise of any options will no longer be subject to a right of repurchase by the
Company, (ii) each outstanding restricted stock award held by the Executive shall be deemed to be fully vested and will no longer be subject to a right of repurchase by the Company and (iii) each outstanding award of shares of Common Stock
of the Company, or other award that is valued in whole or in part by reference to, or is otherwise based on, shares of Common Stock of the Company or other property, including without limitation, restricted stock units, held by the Executive shall
become immediately exercisable in full, deemed to be fully vested and no longer be subject to a right of repurchase by the Company, as the case may be. 
  

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 (d) to the extent not previously paid or provided, the Company shall timely pay or provide to the
Executive any Other Benefits; and 
 (e) for purposes of determining eligibility (but not the time of commencement of benefits) of the
Executive for retiree benefits to which the Executive is entitled, the Executive shall be considered to have remained employed by the Company until eighteen (18) months after the Date of Termination. 
 4.3 Resignation without Good Reason After Change in Control; Termination for Death or Disability. If the Executive voluntarily terminates his
employment with the Company within 24 months following the Change in Control Date, excluding a termination for Good Reason, or if the Executive’s employment with the Company is terminated by reason of the Executive’s death or Disability,
then the Company shall (a) pay the Executive (or his estate, if applicable), in a lump sum in cash within 30 days after the Date of Termination, the Accrued Obligations and (b) timely pay or provide to the Executive the Other Benefits.

 4.4 Termination for Cause; Resignation without Good Reason. If the Company terminates the Executive’s employment with the
Company for Cause or if the Executive voluntarily terminates his employment with the Company, excluding a termination for Good Reason, then the Company shall (a) pay the Executive, in a lump sum in cash within 30 days after the Date of
Termination, the sum of (i) the Executive’s annual base salary through the Date of Termination and (ii) the amount of any compensation previously deferred by the Executive, in each case to the extent not previously paid, and
(b) timely pay or provide to the Executive the Other Benefits. 
 4.5 Taxes. 
 (a) Notwithstanding any other provision of this Agreement, except as set forth in Section 4.5(b), in the event that the Company undergoes a
“Change in Ownership or Control” (as defined below), the Company shall not be obligated to provide to the Executive a portion of any “Contingent Compensation Payments” (as defined below) that the Executive would otherwise be
entitled to receive to the extent necessary to eliminate any “excess parachute payments” (as defined in Section 280G(b)(1) of the Internal Revenue Code of 1986, as amended (the “Code”)) for the Executive. For purposes of
this Section 4.5, the Contingent Compensation Payments so eliminated shall be referred to as the “Eliminated Payments” and the aggregate amount (determined in accordance with Proposed Treasury Regulation Section 1.280G-1, Q/A-30
or any successor provision) of the Contingent Compensation Payments so eliminated shall be referred to as the “Eliminated Amount.” 
 (b) Notwithstanding the provisions of Section 4.5(a), no such reduction in Contingent Compensation Payments shall be made if (i) the Eliminated Amount (computed without regard to this sentence) exceeds (ii) the aggregate
present value (determined in accordance with Proposed Treasury Regulation Section 1.280G-1, Q/A-31 and Q/A-32 or any successor provisions) of the amount of any additional taxes that would be incurred by the 

  

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Executive if the Eliminated Payments (determined without regard to this sentence) were paid to him (including, state and federal income taxes on the
Eliminated Payments, the excise tax imposed by Section 4999 of the Code payable with respect to all of the Contingent Compensation Payments in excess of the Executive’s “base amount” (as defined in Section 280G(b)(3) of the
Code), and any withholding taxes). The override of such reduction in Contingent Compensation Payments pursuant to this Section 4.5(b) shall be referred to as a “Section 4.5(b) Override.” For purpose of this paragraph, if any
federal or state income taxes would be attributable to the receipt of any Eliminated Payment, the amount of such taxes shall be computed by multiplying the amount of the Eliminated Payment by the maximum combined federal and state income tax rate
provided by law. 
 (c) For purposes of this Section 4.5, the following terms shall have the following respective meanings: 

(i) “Change in Ownership or Control” shall mean a change in the ownership or effective control of the Company or in the ownership of a
substantial portion of the assets of the Company determined in accordance with Section 280G(b)(2) of the Code. 
 (ii) “Contingent
Compensation Payment” shall mean any payment (or benefit) in the nature of compensation that is made or made available (under this Agreement or otherwise) to a “disqualified individual” (as defined in Section 280G(c) of the Code)
and that is contingent (within the meaning of Section 280G(b)(2)(A)(i) of the Code) on a Change in Ownership or Control of the Company. 
 (d) Any payments or other benefits otherwise due to the Executive following a Change in Ownership or Control that could reasonably be characterized (as determined by the Company) as Contingent Compensation Payments (the “Potential
Payments”) shall not be made until the dates provided for in this Section 4.5(d). Within 30 days after each date on which the Executive first becomes entitled to receive (whether or not then due) a Contingent Compensation Payment relating
to such Change in Ownership or Control, the Company shall determine and notify the Executive (with reasonable detail regarding the basis for its determinations) (i) which Potential Payments constitute Contingent Compensation Payments,
(ii) the Eliminated Amount and (iii) whether the Section 4.5(b) Override is applicable. Within 30 days after delivery of such notice to the Executive, the Executive shall deliver a response to the Company (the “Executive
Response”) stating either (A) that he agrees with the Company’s determination pursuant to the preceding sentence, in which case he shall indicate, if applicable, which Contingent Compensation Payments, or portions thereof (the
aggregate amount of which, determined in accordance with Proposed Treasury Regulation Section 1.280G-1, Q/A-30 or any successor provision, shall be equal to the Eliminated Amount), shall be treated as Eliminated Payments or (B) that he
disagrees with such determination, in which case he shall set forth (i) which Potential Payments should be characterized as Contingent Compensation Payments, (ii) the Eliminated Amount, (iii) whether the Section 4.5(b) Override
is applicable, and (iv) which (if any) Contingent Compensation Payments, or portions thereof (the aggregate amount of which, determined in accordance with Proposed Treasury Regulation Section 1.280G-1, Q/A-30 or any successor provision,
shall be equal to the Eliminated Amount, if any), shall be treated as Eliminated Payments. In the event that the Executive fails to deliver an Executive Response on or before the required date, the Company’s initial determination shall be final
and the Contingent 

  

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Compensation Payments that shall be treated as Eliminated Payments shall be determined by the Company in its absolute discretion. If the Executive states in
the Executive Response that he agrees with the Company’s determination, the Company shall make the Potential Payments to the Executive within three business days following delivery to the Company of the Executive Response (except for any
Potential Payments which are not due to be made until after such date, which Potential Payments shall be made on the date on which they are due). If the Executive states in the Executive Response that he disagrees with the Company’s
determination, then, for a period of 60 days following delivery of the Executive Response, the Executive and the Company shall use good faith efforts to resolve such dispute. If such dispute is not resolved within such 60-day period, such dispute
shall be settled exclusively by arbitration in Boston, Massachusetts, in accordance with the rules of the American Arbitration Association then in effect. Judgment may be entered on the arbitrator’s award in any court having jurisdiction. The
Company shall, within three business days following delivery to the Company of the Executive Response, make to the Executive those Potential Payments as to which there is no dispute between the Company and the Executive regarding whether they should
be made (except for any such Potential Payments which are not due to be made until after such date, which Potential Payments shall be made on the date on which they are due). The balance of the Potential Payments shall be made within three business
days following the resolution of such dispute. Subject to the limitations contained in Sections 4.5(a) and (b) hereof, the amount of any payments to be made to the Executive following the resolution of such dispute shall be increased by amount
of the accrued interest thereon computed at the prime rate announced from time to time by Bank of America or its successor, compounded monthly from the date that such payments originally were due. 
 (f) The provisions of this Section 4.5 are intended to apply to any and all payments or benefits available to the Executive under this Agreement or
any other agreement or plan of the Company under which the Executive receives Contingent Compensation Payments. 
 4.6 Distributions.
The following rules shall apply with respect to distribution of the payments and benefits, if any, to be provided to the Executive under this Section 4: 
 (a) It is intended that each installment of the payments and benefits provided under Section 4 shall be treated as a separate “payment” for purposes of Section 409A of the U.S. Internal Revenue
Code of 1986, as amended, and the guidance issued thereunder (“Section 409A”). Neither the Company nor the Executive shall have the right to accelerate or defer the delivery of any such payments or benefits except to the extent
specifically permitted or required by Section 409A; 
 (b) If, as of the date of the “separation from service” of the
Executive from the Company, the Executive is not a “specified employee” (each within the meaning of Section 409A), then each installment of the payments and benefits shall be made on the dates and terms set forth in Section 4;
and 
 (c) If, as of the date of the “separation from service” of the Executive from the Company, the Executive is a
“specified employee” (each, for purposes of this Agreement, within the meaning of Section 409A), then: 
 (i) Each installment
of the payments and benefits due under Section 4 that, in accordance with the dates and terms set forth herein, will in all circumstances, regardless of when the separation from service occurs, be paid within the Short-Term Deferral Period (as
hereinafter defined) shall be treated as a short-term deferral within the meaning of Treasury Regulation Section 1.409A-1(b)(4) to the maximum extent permissible under Section 409A. For purposes of this Agreement, the “Short-Term
Deferral Period” means the period ending on the later of the 15th day of the third month following the end of the Executive’s tax year in which the Executive’s separation from service occurs and the 15th day of the third month
following the end of the Company’s tax year in which the Executive’s separation from service occurs; and 
  

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 (ii) Each installment of the payments and benefits due under Section 4 that is not paid within the
Short-Term Deferral Period and that would, absent this subsection, be paid within the six-month period following the “separation from service” of the Executive of the Company shall not be paid until the date that is six months and one day
after such separation from service (or, if earlier, the death of the Executive), with any such installments that are required to be delayed being accumulated during the six-month period and paid in a lump sum on the date that is six months and one
day following the Executive’s separation from service and any subsequent installments, if any, being paid in accordance with the dates and terms set forth herein; provided, however, that the preceding provisions of this sentence shall not apply
to any installment of payments and benefits if and to the maximum extent that that such installment is deemed to be paid under a separation pay plan that does not provide for a deferral of compensation by reason of the application of Treasury
Regulation 1.409A-1(b)(9)(iii) (relating to separation pay upon an involuntary separation from service) or Treasury Regulation 1.409A-1(b)(9)(v) (relating to reimbursements and certain other separation payments). Such payments shall bear interest at
an annual rate equal to the prime rate as set forth in the Eastern edition of the Wall Street Journal on the Date of Termination, from the Date of Termination to the date of payment. Any installments that qualify for the exception under Treasury
Regulation Section 1.409A-1(b)(9)(iii) must be paid no later than the last day of the second taxable year of the Executive following the taxable year of the Executive in which the separation from service occurs. 
 4.7 Release. Prior to the Change in Control Date, the obligation of the Company to make the payments and provide the benefits to the Executive
under this Section 4 shall (a) be conditioned upon (i) the execution by the Executive of a release of claims in a form reasonably acceptable to the Company and (ii) the Executive’s compliance with the material
provisions of any employment, consulting, advisory, nondisclosure, non-competition or other similar agreement between the Executive and the Company, provided that the Executive shall be deemed to have been in compliance with the material
provisions of such agreement if, unless the Board determines in good faith that any noncompliance is not curable, within ten days of written notice thereof, such noncompliance is cured, and (b) constitute the sole remedy of the Executive in the
event of a termination of the Executive’s employment in the circumstances set forth in Section 4. 
 4.8 Mitigation. The
Executive shall not be required to mitigate the amount of any payment or benefits provided for in this Section 4 by seeking other employment or otherwise. Further, except as provided in Section 4.5, the amount of any payment or benefits


  

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provided for in this Section 4 shall not be reduced by any compensation earned by the Executive as a result of employment by another employer, by
retirement benefits, by offset against any amount claimed to be owed by the Executive to the Company or otherwise. 
 5. Disputes.

 5.1 Settlement of Disputes; Arbitration. All claims by the Executive for benefits under this Agreement shall be directed to and
determined by the Board and shall be in writing. Any denial by the Board of Directors of a claim for benefits under this Agreement shall be delivered to the Executive in writing and shall set forth the specific reasons for the denial and the
specific provisions of this Agreement relied upon. The Board of Directors shall afford a reasonable opportunity to the Executive for a review of the decision denying a claim. Any further dispute or controversy arising under or in connection with
this Agreement shall be settled exclusively by arbitration in Boston, Massachusetts, in accordance with the rules of the American Arbitration Association then in effect. Judgment may be entered on the arbitrator’s award in any court having
jurisdiction. 
 5.2 Expenses. If the Change in Control Date occurs during the Term, the Company agrees to pay as incurred, to the
full extent permitted by law, all legal, accounting and other fees and expenses which the Executive may reasonably incur after the Change in Control Date as a result of any claim or contest (regardless of the outcome thereof) by the Company, the
Executive or others regarding the validity or enforceability of, or liability under, any provision of this Agreement or any guarantee of performance thereof (including as a result of any contest by the Executive regarding the amount of any payment
or benefits pursuant to this Agreement), plus in each case interest on any delayed payment at the applicable Federal rate provided for in Section 7872(f)(2)(A) of the Code. 
 5.3 Compensation During a Dispute. If the Change in Control Date occurs during the Term and the Executive’s employment with the Company
terminates within twenty-four (24) months following the Change in Control Date, and the right of the Executive to receive benefits under Section 4 (or the amount or nature of the benefits to which he is entitled to receive) are the subject
of a dispute between the Company and the Executive, the Company shall continue (a) to pay to the Executive his base salary in effect as of the Measurement Date and (b) to provide benefits to the Executive and the Executive’s family at
least equal to those which would have been provided to them, if the Executive’s employment had not been terminated, in accordance with the applicable Benefit Plans in effect on the Measurement Date, until such dispute is resolved either by
mutual written agreement of the parties or by an arbitrator’s award pursuant to Section 5.1. Following the resolution of such dispute, the sum of the payments made to the Executive under clause (a) of this Section 5.3 shall be
deducted from any cash payment which the Executive is entitled to receive pursuant to Section 4; and if such sum exceeds the amount of the cash payment which the Executive is entitled to receive pursuant to Section 4, the excess of such
sum over the amount of such payment shall be repaid (without interest) by the Executive to the Company within 60 days of the resolution of such dispute. 
  

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 6. Successors. 
 6.1 Successor to Company. The Company shall require any successor (whether direct or indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of the business or assets of the
Company expressly to assume and agree to perform this Agreement to the same extent that the Company would be required to perform it if no such succession had taken place. Failure of the Company to obtain an assumption of this Agreement at or prior
to the effectiveness of any succession shall be a breach of this Agreement and shall constitute Good Reason if the Executive elects to terminate employment, except that for purposes of implementing the foregoing, the date on which any such
succession becomes effective shall be deemed the Date of Termination. As used in this Agreement, “Company” shall mean the Company as defined above and any successor to its business or assets as aforesaid which assumes and agrees to perform
this Agreement, by operation of law or otherwise. 
 6.2 Successor to Executive. This Agreement shall inure to the benefit of and be
enforceable by the Executive’s personal or legal representatives, executors, administrators, successors, heirs, distributees, devisees and legatees. If the Executive should die while any amount would still be payable to the Executive or his
family hereunder if the Executive had continued to live, all such amounts, unless otherwise provided herein, shall be paid in accordance with the terms of this Agreement to the executors, personal representatives or administrators of the
Executive’s estate. 
 7. Notice. All notices, instructions and other communications given hereunder or in connection herewith
shall be in writing. Any such notice, instruction or communication shall be sent either (i) by registered or certified mail, return receipt requested, postage prepaid, or (ii) prepaid via a reputable nationwide overnight courier service,
in each case addressed to the Company, at 200 Minuteman Road, Andover, Massachusetts 01810, Attn: Chairman of the Board, and to the Executive at the Executive’s address indicated on the signature page of this Agreement (or to such other address
as either the Company or the Executive may have furnished to the other in writing in accordance herewith). Any such notice, instruction or communication shall be deemed to have been delivered five business days after it is sent by registered or
certified mail, return receipt requested, postage prepaid, or one business day after it is sent via a reputable nationwide overnight courier service. Either party may give any notice, instruction or other communication hereunder using any other
means, but no such notice, instruction or other communication shall be deemed to have been duly delivered unless and until it actually is received by the party for whom it is intended. 
 8. Miscellaneous. 
 8.1
Section 409A of the Code. This Agreement is intended to comply with the provisions of Section 409A and this Agreement shall, to the extent practicable, be construed in accordance therewith. Terms defined in this Agreement shall have
the meanings given such terms under Section 409A if and to the extent required in order to comply with Section 409A. Notwithstanding the foregoing, to the extent that this Agreement or any payment or benefit hereunder shall be deemed not
to comply with Section 409A, then neither the Company, the Board of Directors nor its or their designees or agents shall be liable to the Executive or any other person for any actions, decisions or determinations made in good faith. 

 

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 8.2 Employment by Subsidiary. For purposes of this Agreement, the Executive’s employment with
the Company shall not be deemed to have terminated solely as a result of the Executive continuing to be employed by a wholly-owned subsidiary of the Company. 
 8.3 Severability. The invalidity or unenforceability of any provision of this Agreement shall not affect the validity or enforceability of any other provision of this Agreement, which shall remain in full force
and effect. 
 8.4 Injunctive Relief. The Company and the Executive agree that any breach of this Agreement by the Company is likely
to cause the Executive substantial and irrevocable damage and therefore, in the event of any such breach, in addition to such other remedies which may be available, the Executive shall have the right to specific performance and injunctive relief.

 8.5 Governing Law. The validity, interpretation, construction and performance of this Agreement shall be governed by the internal
laws of the Commonwealth of Massachusetts, without regard to conflicts of law principles. 
 8.6 Waivers. No waiver by the Executive
at any time of any breach of, or compliance with, any provision of this Agreement to be performed by the Company shall be deemed a waiver of that or any other provision at any subsequent time. 
 8.7 Counterparts. This Agreement may be executed in counterparts, each of which shall be deemed to be an original but both of which together shall
constitute one and the same instrument. 
 8.8 Tax Withholding. Any payments provided for hereunder shall be paid net of any
applicable tax withholding required under federal, state or local law. 
 8.9 Entire Agreement. This Agreement sets forth the entire
agreement of the parties hereto in respect of the subject matter contained herein and supersedes all prior agreements, promises, covenants, arrangements, communications, representations or warranties, whether oral or written, by any officer,
employee or representative of any party hereto in respect of the subject matter contained herein; and any prior agreement of the parties hereto in respect of the subject matter contained herein is hereby terminated and cancelled. 
 8.10 Amendments. This Agreement may be amended or modified only by a written instrument executed by both the Company and the Executive.

 8.11 Executive’s Acknowledgements. The Executive acknowledges that he: (a) has read this Agreement; (b) has been
represented in the preparation, negotiation, and execution of this Agreement by legal counsel of the Executive’s own choice or has voluntarily declined to seek such counsel; (c) understands the terms and consequences of this Agreement; and
(d) understands that the law firm of WilmerHale is acting as counsel to the Company in connection with the transactions contemplated by this Agreement, and is not acting as counsel for the Executive. 
  

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 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the day and year first set
forth above. 
  

					
	 TRANSMEDICS, INC.

		
	 By:
	 	 /s/ James V. Rao

		 	James V. Rao
		 	Its Chief Financial Officer
	
	 /s/ Waleed H. Hassanein, M.D.

	 Waleed H. Hassanein, M.D.

		
	 Address:
	 	30 Windkist Farm Road
		 	North Andover, MA 01845


  

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