X0508 4 2025-12-04 0001756262 TransMedics Group, Inc. TMDX 0002046180 Hernandez Gerardo C/O TRANSMEDICS GROUP, INC. 200 MINUTEMAN ROAD ANDOVER MA 01810 false true false false Chief Financial Officer false Common Stock 2025-12-04 4 S false 920 139.62 D 15064 D Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction pursuant to the terms of the RSU award. By: /s/ Gerardo Hernandez 2025-12-05