TransMedics Group, Inc.
TMDXFigures shown here come from public SEC filings. Dates beside each section show the available history.
How TransMedics Group, Inc. Makes Money
Follow each dollar of revenue through to what shareholders keep.
From revenue to net income
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Financial Summary
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 7 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 17, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| Parkside Financial Bank & Trust | 2026-03-31 | 94 | $9.35K | SEC filing |
| NATIONAL BANK OF CANADA /FI/ | 2026-03-31 | 45 | $4.46K | SEC filing |
| SG Americas Securities, LLC | 2026-03-31 | 6,910 | Not shown | SEC filing |
| UMB Bank, n.a. | 2026-03-31 | 355 | $35.3K | SEC filing |
| Legal & General Group Plc | 2026-03-31 | 78,753 | $7.83M | SEC filing |
| IFP Advisors, Inc | 2026-03-31 | 4,439 | $441K | SEC filing |
| Pacer Advisors, Inc. | 2026-03-31 | 2,391 | $238K | SEC filing |
| WASATCH ADVISORS LP | 2026-03-31 | 346,144 | $34.4M | SEC filing |
| STATE OF WISCONSIN INVESTMENT BOARD | 2026-03-31 | 30,618 | $3.04M | SEC filing |
| BLUE JEAN FINANCIAL LLC | 2026-03-31 | 15,273 | $1.52M | SEC filing |
| Cambridge Investment Research Advisors, Inc. | 2026-03-31 | 17,445 | Not shown | SEC filing |
| Public Sector Pension Investment Board | 2026-03-31 | 122,255 | $12.2M | SEC filing |
| MORGAN STANLEY | 2026-03-31 | 694,150 | $69M | SEC filing |
| Catalyst Capital Advisors LLC | 2026-03-31 | 5,355 | $532K | SEC filing |
| Maryland State Retirement & Pension System | 2026-03-31 | 4,972 | $494K | SEC filing |
| M&T Bank Corp | 2026-03-31 | 2,924 | $291K | SEC filing |
| Rockefeller Capital Management L.P. | 2026-03-31 | 1,782 | $177K | SEC filing |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 2026-03-31 | 15,234 | $1.51M | SEC filing |
| Blueshift Asset Management, LLC | 2026-03-31 | 3,358 | $334K | SEC filing |
| SEI INVESTMENTS CO | 2026-03-31 | 69,629 | $6.92M | SEC filing |
- Each value is checked against TransMedics Group, Inc.'s share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
- Value not shown for 2 rows: the filed value is about 1,000 times too small for the share count at TransMedics Group, Inc.'s share price.
120 filers have only one report here.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among TransMedics Group, Inc.'s recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2026-06-15 · Gunderson Thomas J.: Larger than 106 of the 110 other insider sales of Common Stock on file. SEC filing
- 2026-03-04 · Hernandez Gerardo: Larger than 101 of the 110 other insider sales of Common Stock on file. SEC filing
- 2025-05-09 · Basile Edward M: Larger than 102 of the 110 other insider sales of Common Stock on file. SEC filing
- 2024-11-05 · Basile Edward M: Larger than 100 of the 110 other insider sales of Common Stock on file. SEC filing
- 2024-08-27 · Corcoran Nicholas: Larger than 107 of the 110 other insider sales of Common Stock on file. SEC filing
- 2024-08-22 · Hassanein Waleed H: Larger than all 110 other insider sales of Common Stock on file. SEC filing
- 2024-08-21 · Hassanein Waleed H: Larger than 109 of the 110 other insider sales of Common Stock on file. SEC filing
- 2024-08-08 · TOBIN JAMES R: Larger than 108 of the 110 other insider sales of Common Stock on file. SEC filing
- 2024-08-08 · TOBIN JAMES R: Larger than 103 of the 110 other insider sales of Common Stock on file. SEC filing
- 2024-05-29 · Gordon Stephen: Larger than 105 of the 110 other insider sales of Common Stock on file. SEC filing
- 2024-05-29 · Gordon Stephen: Larger than 104 of the 110 other insider sales of Common Stock on file. SEC filing
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-06-15 | Gunderson Thomas J. · Director | Common Stock | S — Open market or private sale | −9,624 | 75.06 | SEC filing |
| 2026-03-04 | Hernandez Gerardo · Chief Financial Officer | Common Stock | S — Open market or private sale | −1,324 | 147.21 | SEC filing |
| 2026-03-04 | Weill David · Director | Common Stock | S — Open market or private sale | −3,571 | 146.82 | SEC filing |
| 2026-03-04 | Hernandez Gerardo · Chief Financial Officer | Common Stock | S — Open market or private sale | −5,912 | 147.21 | SEC filing |
| 2026-03-04 | Lovell Stephanie · Director | Common Stock | S — Open market or private sale | −1,193 | 149.62 | SEC filing |
| 2026-03-02 | Corcoran Nicholas · See remarks | Common Stock | S — Open market or private sale | −2,966 | 139.12 | SEC filing |
| 2026-03-02 | Ranganath Anil P. · See remarks | Common Stock | S — Open market or private sale | −864 | 139.12 | SEC filing |
| 2026-03-02 | Hernandez Gerardo · Chief Financial Officer | Common Stock | S — Open market or private sale | −375 | 139.12 | SEC filing |
Showing 8 of 14 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-06-15 | Gunderson Thomas J. · Director | Common Stock | M — Exercise or conversion of derivative security | +19,285 | SEC filing |
| 2026-06-15 | Gunderson Thomas J. · Director | Stock Option (Right to Buy) | M — Exercise or conversion of derivative security | −19,285 | SEC filing |
| 2026-05-20 | Gunderson Thomas J. · Director | Common Stock | A — Grant, award, or other acquisition | +2,922 | SEC filing |
| 2026-05-20 | RAINES MERILEE · Director | Common Stock | A — Grant, award, or other acquisition | +2,922 | SEC filing |
| 2026-05-20 | Weill David · Director | Common Stock | A — Grant, award, or other acquisition | +2,922 | SEC filing |
| 2026-05-20 | Kania Edwin · Director | Common Stock | A — Grant, award, or other acquisition | +2,922 | SEC filing |
| 2026-05-20 | Lovell Stephanie · Director | Common Stock | A — Grant, award, or other acquisition | +2,922 | SEC filing |
| 2026-05-20 | Basile Edward M · Director | Common Stock | A — Grant, award, or other acquisition | +2,922 | SEC filing |
Showing 8 of 23 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.