X0206 3 2019-05-01 0 0001756262 TransMedics Group, Inc. TMDX 0001430462 Khayal Tamer I C/O TRANSMEDICS GROUP, INC. 200 MINUTEMAN ROAD ANDOVER MA 01810 0 1 0 0 Chief Commercial Officer Common Stock 44776 D Stock Option (Right to Buy) 57.75 2020-06-30 Common Stock 882 D Stock Option (Right to Buy) 0.39 2021-09-27 Common Stock 19548 D Stock Option (Right to Buy) 0.28 2023-05-29 Common Stock 58928 D Stock Option (Right to Buy) 2.21 2027-06-22 Common Stock 48874 D Stock Option (Right to Buy) 16.00 2029-05-01 Common Stock 64285 D As of the date of this Form 3, the Common Stock reported herein is common stock of TransMedics, Inc. Immediately prior to the closing of the Issuer's initial public offering, pursuant to the terms of the Agreement and Plan of Merger and Reorganization by and among the Issuer, TransMedics, Inc. and TMDX, Inc., dated April 15, 2019 (the "Merger Agreement"), such common stock of TransMedics, Inc. will be converted into shares of common stock of the Issuer on a 3.5-for-one basis (the "Common Stock Conversion"). The number of shares in Column 2 reflects the Reporting Person's holdings following the Common Stock Conversion. The option is fully vested. As of the date of this Form 3, the Stock Options reported herein are options to purchase common stock of TransMedics, Inc. Immediately prior to the closing of the Issuer's initial public offering, pursuant to the terms of the Merger Agreement, each outstanding option to purchase shares of common stock of TransMedics, Inc. will be converted into an outstanding option to purchase shares of common stock of the Issuer adjusted on a 3.5-for-one basis, with a corresponding adjustment to the exercise price. The number of shares in Column 3 reflects the Reporting Person's holdings following such conversion and the exercise price in Column 4 reflects the exercise price following such conversion. The option vests at a rate of 2.0833% of the total number of shares each month until the option is fully vested on the fourth anniversary of the vesting commencement date, June 22, 2017. This option was issued pursuant to the TransMedics Group, Inc. 2019 Stock Incentive Plan to purchase shares of common stock of the Issuer. The option vests in equal monthly installments over four years beginning on the date of grant, May 1, 2019. Exhibit List: Exhibit 24 - Power of Attorney /s/ Stephen Gordon, Attorney-in-Fact 2019-05-01