TMDX Filing
4Filing Date: May 22, 2026
TransMedics Group, Inc. (TMDX) · Insider Trading (Form 4) SEC Filing
Statement of Changes in Beneficial Ownership
descriptionView SEC Filing
ACC: 0001193125-26-236912open_in_new
Total Value$0
Trades1
Insiders1
Transaction Details
Gunderson Thomas J.
Director·Direct
Grant · Acquire
Common Stock
Shares+2.92K
Price$0.00
Total Value$0
Shares Owned After6.98K
Transaction DateMay 20, 2026
Footnotes ▸
Consists of 2,922 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.
Post-Transaction Holdings
Gunderson Thomas J.
| Security | Shares | Change |
|---|---|---|
| Common Stock | 6.98K | +2.92K (71.99%) |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-05-20
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: TransMedics Group, Inc. (TMDX)
CIK: 0001756262
--- Reporting Owner ---
Name: Gunderson Thomas J.
CIK: 0001708144
Role: Director
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-05-20 | Code: A (Grant or award)
Shares: +2,922 | Price: $0.00
Shares Owned After: 6,981 | Ownership: D (Direct)
Footnotes:
[F1] Consists of 2,922 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.
--- Footnotes (Complete Index) ---
F1: Consists of 2,922 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.
--- Signature ---
/s/ By: /s/ Gerardo Hernandez, Attorney-in-Fact (2026-05-22)