X0306 4 2019-10-29 0 0001756262 TransMedics Group, Inc. TMDX 0001255927 KANIA EDWIN M JR C/O TRANSMEDICS GROUP, INC. 200 MINUTEMAN ROAD ANDOVER MA 01810 1 0 0 0 Common Stock 2019-10-29 4 J 0 92796 0.00 A 126129 D Common Stock 2019-10-29 4 J 0 27799 0.00 A 153928 D Common Stock 1169571 I By OneLiberty Ventures 2000, L.P. Common Stock 25234 I By OneLiberty Advisors Fund 2000, L.P. Common Stock 57142 I By OneLiberty Ventures, Inc. Pro rata distribution of shares of the Issuer's common stock from Flagship Ventures 2007 General Partner LLC to its members. The aforementioned distribution was made in accordance with the exemption afforded by Rule 16a-9 of the Securities and Exchange Act of 1934, as amended. Pro rata distribution of shares of the Issuer's common stock from Flagship Ventures Fund IV General Partner LLC to its members. The aforementioned distribution was made in accordance with the exemption afforded by Rule 16a-9 of the Securities and Exchange Act of 1934, as amended. Edwin M. Kania, Jr. is a manager of OneLiberty Partners 2000, LLC ("OneLiberty GP"), which is the general partner of OneLiberty Ventures 2000, L.P. ("OneLiberty 2000") and OneLiberty Advisors Fund 2000, L.P. ("OneLiberty Advisors 2000" and together with OneLiberty 2000, the "OneLiberty Funds"). Mr. Kania is also the principal of OneLiberty Ventures, Inc., which is the management company for, and provides services in connection with the investment activities of, the OneLiberty Funds. By virtue of the foregoing relationships, Mr. Kania may be deemed to indirectly beneficially own the securities held by the OneLiberty Funds and OneLiberty Ventures, Inc., however he disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. /s/ Edwin M. Kania, Jr. 2019-10-31