David Weill - 04 Mar 2026 Form 4 Insider Report for TransMedics Group, Inc. (TMDX)

Reporting relationship: Director
Issuer ticker: TMDX
Reported as of: 04 Mar 2026
Net transaction value: -$524,294
SEC form: 4
Accepted by SEC: 06 Mar 2026, 18:09:13 UTC
Prior SEC filing: 05 Dec 2025
Next SEC filing: 22 May 2026
Source filing: View source filing
Reporting owner signature: By: /s/ Gerardo Hernandez, Attorney-in-Fact

Key filing fact

David Weill filed Form 4 for TransMedics Group, Inc. (TMDX) on 06 Mar 2026.

Key facts

This page summarizes David Weill's Form 4 filing for TransMedics Group, Inc. (TMDX).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 06 Mar 2026, 18:09.

Change

Previous filing in this sequence was filed on 05 Dec 2025.
Current net transaction value: -$524,294.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001774270 Primary reporting owner

Weill David

Relationship: Director
Address: C/O TRANSMEDICS GROUP, INC., 200 MINUTEMAN ROAD, ANDOVER
Signature: By: /s/ Gerardo Hernandez, Attorney-in-Fact
Signature date: 06 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TMDX transaction

Common Stock

Options Exercise

Transaction value
Shares: +3,571
Change %: +29%
Price: $14.20^*
Shares after: 15,705
Date: 04 Mar 2026
Ownership: Direct

TMDX transaction

Common Stock

Sale

Transaction value: $524,294
Shares: -3,571
Change %: -23%
Price: $146.82
Shares after: 12,134
Date: 04 Mar 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

TMDX transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -3,571
Change %: -71%
Price: $0.000000^*
Shares after: 1,429
Date: 04 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,571
Exercise price: $14.20
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The option is fully vested.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .