X0206 3 2019-05-01 0 0001756262 TransMedics Group, Inc. TMDX 0001773661 Basile Edward M C/O TRANSMEDICS GROUP, INC. 200 MINUTEMAN ROAD ANDOVER MA 01810 1 0 0 0 Series F Convertible Preferred Stock Common Stock 14314 D Stock Option (Right to Buy) 0.70 2026-02-16 Common Stock 19285 D As of the date of this Form 3, the Preferred Stock reported herein is preferred 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 preferred stock of TransMedics, Inc. will be converted into shares of common stock of the Issuer based on (i) the one-for-one ratio on which such shares of preferred stock of TransMedics Inc. are convertible into shares of common stock of TransMedics Inc. according to their terms and (ii) the 3.5-for-one ratio on which shares of common stock of TransMedics, Inc. will be converted into shares of common stock of the Issuer (the "Conversion"). The Preferred Stock has no expiration date. The number of shares in Column 3 reflects the Reporting Person's holdings following the 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. Exhibit List: Exhibit 24 - Power of Attorney /s/ Stephen Gordon, Attorney-in-Fact 2019-05-01