TransMedics Group ($TMDX) Insider Trading & Smart Money Activity
TransMedics Group, Inc. ($TMDX) has 1 insider trade on file. In the last 12 months on the open market, no insider bought and 1 insider sold ($722.38K), net -$722.38K.
- Insider buyers (12 mo)
- 0
- Insider sellers (12 mo)
- 1
- Net insider $ (12 mo)
- -$722.38K
- Congress trades (12 mo)
- 0
- 13F moves on file
- 0
- Analyst ratings on file
- 0
TMDX insider buying and selling by quarter
| Quarter | Insider buys | Insider sales | Congress buys / sales | 13F added / cut |
|---|---|---|---|---|
| Q1 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q2 2026 | 0 | 1 · $722.38K | 0 / 0 | 0 / 0 |
| Q3 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q4 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.
All TMDX insider, congress, 13F and analyst activity
| Date | Source | Who | Action | Shares | Value / amount | ΔOwn | 1W | 1M | 6M | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Insider | Thomas Gunderson | Sell (Open-market sale) | 9.62K sh | $722.38K | — |
1W / 1M / 6M = how TMDX moved from the trade or filing date.
Insider trading in TMDX: who is buying and selling
| Insider | Role | Trades | Open-market net | Shares held | Last trade |
|---|---|---|---|---|---|
| Thomas Gunderson | 1 | -$722.38K | Jun 15, 2026 |
Frequently asked questions
Are TMDX insiders buying or selling?
Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 1 insider made 1 open-market sale worth $722.38K, a net -$722.38K.
What is the latest insider trade in TMDX?
Thomas Gunderson filed a sell (open-market sale) of 9.62K sh worth $722.38K on Jun 15, 2026.
Other medical devices stocks
Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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