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Insider ActivityTMDX
Gunderson Thomas J., Insider at TransMedics Group, Inc., sold $722K of TMDX
Updated Jun 19, 2026
Gunderson Thomas J.
Insider
TransMedics Group, Inc. ·
$TMDX
Transaction Details
| Insider | Gunderson Thomas J. |
|---|---|
| Title | Insider |
| Company | TransMedics Group, Inc. |
| Ticker | TMDX |
| Transaction Type | Sale |
| Transaction Date | 2026-06-15 |
| Shares Traded | 9,624 |
| Price Per Share | $75.06 |
| Total Value | $722K |
| Filed Date | 2026-06-17 |
| Accession Number | 0001193125-26-274178 |
Ownership Context
| Shares Owned After Transaction | 16,642 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001193125-26-274178
Other Insider Trades — TMDX
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Gunderson Thomas J. | Insider | traded | $43K | 2026-06-15 |
| TOBIN JAMES R | Insider | traded | — | 2026-05-20 |
| Gunderson Thomas J. | Insider | traded | — | 2026-05-20 |
| Basile Edward M | Insider | traded | — | 2026-05-20 |
| Lovell Stephanie | Insider | traded | — | 2026-05-20 |
| Kania Edwin | Insider | traded | — | 2026-05-20 |
| Weill David | Insider | traded | — | 2026-05-20 |
| RAINES MERILEE | Insider | traded | — | 2026-05-20 |
| Forsyth Matthew S. | See Remarks | traded | — | 2026-05-19 |
| Forsyth Matthew S. | See Remarks | traded | — | 2026-05-19 |
Other Trades by Gunderson Thomas J.
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| TMDX | TransMedics Group, Inc. | traded | $43K | 2026-06-15 |
| MMSI | MERIT MEDICAL SYSTEMS INC | traded | $717K | 2026-05-20 |
| MMSI | MERIT MEDICAL SYSTEMS INC | traded | $391K | 2026-05-20 |
| TMDX | TransMedics Group, Inc. | traded | — | 2026-05-20 |
| MMSI | MERIT MEDICAL SYSTEMS INC | traded | — | 2026-05-18 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for TMDX — TransMedics Group, Inc. →
Whisper Score — TMDX
50.0
Active Discussion
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 19, 2026 at 07:00 UTC