TransMedics Group, Inc (TMDX) insider trading
Every open-market stock purchase and sale by TransMedics Group, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders bought $1M over the last 12 months (1 buy).
- Insiders sold $4.9M over the last 12 months (10 sales).
- Last insider buy: Waleed H Hassanein (CEO), $1M, 10 months ago.
Last 12 months: insiders bought $1M (1 buy) and sold $4.9M (10 sales). Last close $71.14 on Jun 7, 2026.
Recent TMDX insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 15, 2026 | Thomas J. Gunderson (Insider) | Sold | $722K |
| Jun 15, 2026 | Thomas J. Gunderson (Insider) | Bought (not open market) | — |
| May 20, 2026 | Edwin Kania (Insider) | Bought (not open market) | — |
| May 20, 2026 | Edward M Basile (Insider) | Bought (not open market) | — |
| May 20, 2026 | Stephanie Lovell (Insider) | Bought (not open market) | — |
| May 20, 2026 | Merilee Raines (Insider) | Bought (not open market) | — |
| May 20, 2026 | David Weill (Insider) | Bought (not open market) | — |
| May 20, 2026 | Thomas J. Gunderson (Insider) | Bought (not open market) | — |
| May 20, 2026 | James R Tobin (Insider) | Bought (not open market) | — |
| May 19, 2026 | Matthew S. Forsyth (Insider) | Bought (not open market) | — |
| May 19, 2026 | Matthew S. Forsyth (Insider) | Bought (not open market) | — |
| Mar 4, 2026 | Gerardo Hernandez (CFO) | Sold | $870K |
| Mar 4, 2026 | David Weill (Insider) | Sold | $524K |
| Mar 4, 2026 | Gerardo Hernandez (CFO) | Sold | $195K |
| Mar 4, 2026 | Stephanie Lovell (Insider) | Sold | $178K |
| Mar 4, 2026 | Gerardo Hernandez (CFO) | Bought (not open market) | — |
| Mar 4, 2026 | Gerardo Hernandez (CFO) | Bought (not open market) | — |
| Mar 4, 2026 | David Weill (Insider) | Bought (not open market) | — |
| Mar 2, 2026 | Nicholas Corcoran (Insider) | Sold | $413K |
| Mar 2, 2026 | Anil P. Ranganath (Insider) | Sold | $120K |
| Mar 2, 2026 | Gerardo Hernandez (CFO) | Sold | $52.2K |
| Feb 18, 2026 | Giovanni Cecere (C-suite exec) | Bought (not open market) | — |
| Feb 18, 2026 | Giovanni Cecere (C-suite exec) | Bought (not open market) | — |
| Jan 23, 2026 | Nicholas Corcoran (Insider) | Sold (not open market) | $133K |
| Dec 4, 2025 | Gerardo Hernandez (CFO) | Sold | $128K |
Who's trading TMDX
- Thomas J. Gunderson, Insider: sold $722K (1 sale), last Jun 15, 2026
- Edward M Basile, Insider: sold $540K (1 sale), last May 20, 2026
- Edwin Kania, Insider: other filings, last May 20, 2026
- Stephanie Lovell, Insider: sold $178K (1 sale), last May 20, 2026
- Merilee Raines, Insider: other filings, last May 20, 2026
- James R Tobin, Insider: other filings, last May 20, 2026
- David Weill, Insider: sold $1.2M (2 sales), last May 20, 2026
- Matthew S. Forsyth, Insider: other filings, last May 19, 2026
- Gerardo Hernandez, CFO: sold $1.2M (4 sales), last Mar 4, 2026
- Anil P. Ranganath, Insider: sold $556K (2 sales), last Mar 2, 2026
- Nicholas Corcoran, Insider: sold $413K (1 sale), last Mar 2, 2026
- Giovanni Cecere, C-suite exec: other filings, last Feb 18, 2026
- Waleed H Hassanein, CEO: bought $1M (1 buy), last Nov 17, 2025
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