TransMedics Group, Inc. (TMDX) Insider Ownership

Historic Insider Ownership Trends

TransMedics's three largest insider shareholders as of March 23, 2026 are Nicholas Corcoran (See Remarks, 29.83K shares), Miriam Provost (Vp, Global Regulatory Affairs, 23.35K shares), Stephen Gordon (Chief Financial Officer, 21.30K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Nicholas Corcoran See Remarks 29,831 0 04 Mar, 2026
Miriam Provost Vp, Global Regulatory Affairs 23,348 0 15 Dec, 2023
Stephen Gordon Chief Financial Officer 21,299 0 05 Jun, 2024
Giovanni Cecere Chief Commercial Officer 19,057 0 20 Feb, 2026
Gerardo Hernandez Chief Financial Officer 14,689 0 04 Mar, 2026
John F Sullivan Vp Of Quality Engineering 14,273 0 01 Sep, 2021
John F Carey Vp Of Operations 14,120 0 03 Feb, 2023
Anil P. Ranganath See Remarks 13,091 0 04 Mar, 2026
David Weill 12,134 0 06 Mar, 2026
Laura Damme Vp, Clinical Affairs 5,685 0 22 Feb, 2023
Thomas James Gunderson 4,059 0 23 May, 2025
Edward M Basile 2,866 0 31 Oct, 2025
Stephanie Lovell 2,866 0 06 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
04 Mar, 2026 Stephanie Lovell Common Stock D 1,193 $149.62 2,866 D S
04 Mar, 2026 David Weill Common Stock A 3,571 $14.20 15,705 D M
04 Mar, 2026 David Weill Common Stock D 3,571 $146.82 12,134 D S
04 Mar, 2026 David Weill Stock Option (Right to Buy) D 3,571 $0.00 1,429 D M
02 Mar, 2026 Gerardo Hernandez Common Stock D 375 $139.12 14,689 D S
23 Jan, 2026 Nicholas Corcoran Common Stock D 984 $135.30 32,797 D F
02 Mar, 2026 Anil P. Ranganath Common Stock D 864 $139.12 13,091 D S
04 Mar, 2026 Gerardo Hernandez Common Stock A 1,324 $77.12 16,013 D M
02 Mar, 2026 Nicholas Corcoran Common Stock D 2,966 $139.12 29,831 D S
04 Mar, 2026 Gerardo Hernandez Common Stock D 1,324 $147.21 14,689 D S
04 Mar, 2026 Gerardo Hernandez Common Stock A 5,912 $69.84 20,601 D M
04 Mar, 2026 Gerardo Hernandez Common Stock D 5,912 $147.21 14,689 D S
04 Mar, 2026 Gerardo Hernandez Stock Option (Right to Buy) D 1,324 $0.00 3,975 D M
04 Mar, 2026 Gerardo Hernandez Stock Option (Right to Buy) D 5,912 $0.00 13,010 D M
18 Feb, 2026 Giovanni Cecere Common Stock A 11,082 $0.00 19,057 D A
18 Feb, 2026 Giovanni Cecere Stock Option (Right to Buy) A 16,734 $0.00 16,734 D A
04 Dec, 2025 Gerardo Hernandez Common Stock D 920 $139.62 15,064 D S
03 Dec, 2025 David Weill Common Stock A 5,000 $14.20 17,134 D M
03 Dec, 2025 David Weill Common Stock D 5,000 $138.64 12,134 D S
03 Dec, 2025 David Weill Stock Option (Right to Buy) D 5,000 $0.00 5,000 D M