TransMedics's top three insider shareholders as of June 18, 2026 are Waleed H Hassanein (President Ceo, 495.01K shares), Edwin M Jr Kania (Director, 260.81K shares), James R Tobin (Director, 173.15K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Merilee Raines | - | 4,059 | 0 | 23 May, 2025 |
| James R Tobin | - | 0 | 173,146 | 17 Sep, 2024 |
| Edwin M Jr Kania | - | 260,810 | 0 | 23 May, 2025 |
| Tamer I Khayal | Chief Commercial Officer | 36,042 | 0 | 05 Mar, 2025 |
| Waleed H Hassanein | President Ceo | 0 | 495,009 | 18 Nov, 2025 |
| Thomas James Gunderson | - | 4,059 | 0 | 23 May, 2025 |
| Stephanie Lovell | - | 2,866 | 0 | 06 Mar, 2026 |
| Edward M Basile | - | 2,866 | 0 | 31 Oct, 2025 |
| Miriam Provost | Vp, Global Regulatory Affairs | 23,348 | 0 | 15 Dec, 2023 |
| David Weill | - | 12,134 | 0 | 06 Mar, 2026 |
| John F Carey | Vp Of Operations | 14,120 | 0 | 03 Feb, 2023 |
| John F Sullivan | Vp Of Quality Engineering | 14,273 | 0 | 01 Sep, 2021 |
| Stephen Gordon | Chief Financial Officer | 21,299 | 0 | 05 Jun, 2024 |
| Laura Damme | Vp, Clinical Affairs | 5,685 | 0 | 22 Feb, 2023 |
| Nicholas Corcoran | - | 29,831 | 0 | 04 Mar, 2026 |
| Anil P. Ranganath | - | 13,091 | 0 | 04 Mar, 2026 |
| Gerardo Hernandez | Chief Financial Officer | 14,689 | 0 | 04 Mar, 2026 |
| Giovanni Cecere | Chief Commercial Officer | 19,057 | 0 | 20 Feb, 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 04 Mar, 2026 | David Weill | Common Stock | A | 3,571 | $14.20 | 15,705 | D | M |
| 04 Mar, 2026 | David Weill | Common Stock | A | 3,571 | $14.20 | 15,705 | D | M |
| 04 Mar, 2026 | Stephanie Lovell | Common Stock | D | 1,193 | $149.62 | 2,866 | D | S |
| 04 Mar, 2026 | David Weill | Common Stock | D | 3,571 | $146.82 | 12,134 | D | S |
| 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 |
| 04 Mar, 2026 | David Weill | Stock Option (Right to Buy) | D | 3,571 | $0.00 | 1,429 | D | M |
| 02 Mar, 2026 | Anil P. Ranganath | Common Stock | D | 864 | $139.12 | 13,091 | D | S |
| 23 Jan, 2026 | Nicholas Corcoran | Common Stock | D | 984 | $135.30 | 32,797 | D | F |
| 02 Mar, 2026 | Gerardo Hernandez | Common Stock | D | 375 | $139.12 | 14,689 | D | S |
| 02 Mar, 2026 | Nicholas Corcoran | Common Stock | D | 2,966 | $139.12 | 29,831 | D | S |
| 04 Mar, 2026 | Gerardo Hernandez | Common Stock | A | 1,324 | $77.12 | 16,013 | D | M |
| 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 |
| 03 Dec, 2025 | David Weill | Common Stock | A | 5,000 | $14.20 | 17,134 | D | M |