TransMedics Group, Inc. TMDX

What this company does

TransMedics Group, Inc. developed the OCS, a portable, multi-organ, warm perfusion platform, and has developed three OCS products, one for each of lung, heart and liver transplantation. Each OCS product consists of three primary components customized for each organ: an OCS Console, an OCS Perfusion Set and OCS Solutions. As of December 31, 2025, it employed 898 people globally, most of whom were full-time and located in the United States. It also operates its NOP, a turnkey solution that provides outsourced organ procurement, OCS perfusion management and transplant logistics services, including aviation transportation, ground transportation and other coordination activity, to transplant programs in the United States. It designs and assembles its OCS Consoles and disposable OCS Perfusion Sets at its facility in Andover, Massachusetts. TransMedics Group, Inc. was incorporated in the Commonwealth of Massachusetts in October 2018 to facilitate its initial public offering, and its wholly owned operating subsidiary, TransMedics, Inc., was incorporated in the State of Delaware in August 1998.

Written from the business description in TransMedics Group, Inc.'s annual report to the U.S. Securities and Exchange Commission, filed 24 February 2026. Every sentence was checked against that document before publication.